ftp.xmission.com/2014.06.ftp.xmission.com.tar/ftp.xmission.com/pub/lists/fractint/archive/fractint.199906

Internet Message Format | 1999-06-30 | 155KB

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Two fractal formats.
Date: 01 Jun 1999 01:24:57 MDT

A simple, universal format for recording the details needed to color and
recolor an image, is as follows. All quantities are big-endian for consis=
tency
across platforms.



offset  qty.           type     description
0x0000  1              ushort   width
0x0002  1              ushort   height
0x0004  1              ushort   # of distinct regions/basins. Basins will=
 be
numbered from 0 to this number minus one.
0x0006  width*height   record
                       offset  qty.   type    description
                       0x0000  1      ushort  basin number
                       0x0002  1      double  pixel value (a double can b=
e
used to hold integers with 56 bits precision)


A rendering program will have to scan over all of the data to discover ho=
w
many basins there are and for each, what the
minimum and maximum values for the value are. This can be done while load=
ing
in the data. This is to keep the file format
simple. The file format can be modified by augmenting it with a compressi=
on
scheme such as LZSS.





A slightly less simple format I have devised to record enough to allow th=
e
image to be resumed, zoomed, or the parameters
tweaked, or evolved, follows. It relies on the supposition of the develop=
ment
of an essential infrastructure.


The infrastructure would be a namespace system for the naming of formulas=
=2E I
propose the following: each person use some
easily-recognizable component of their name as their namespace name. They=
 name
their formulas in this scheme with that as a
prefix. I'd use PGD for mine, so PGD::Nova is the full name for the Nova
formula. Names will apply to Julibrot objects or to
stand-alone Julia types.

The classics, e.g. Mandelbrot, Julia, etc. would be named as they are.


Some classic (escape-time, 2 dimensional) fractals and their proposed nam=
es.

Fractal             Proposed name
z^2+c               Mandelbrot
z^n+c (n integer)   IntPMandelbrot
z^x+c (x real)      RealPMandelbrot
z^w+c (w complex)   CplxPMandelbrot                (corresponds to fracti=
nt
type=3Dmanzpower, julzpower)
z^z+z^w+c           ZZMandelbrot                   (type=3Dmanzzpwr, julz=
zpwr)
rx(1-x)             LambdaMandelbrot               (type=3Dlambda, mandel=
lambda)
c*f(z)              CfnMandelbrot                  (type=3Dlambdafn, mand=
elfn)
Newton z^n-1        NewtonUnity                    (type=3Dnewton, newtba=
sin)
                                                   (Unity as it is roots =
of
unity and not general Newton)
                                                   (Not a julibrot.)
Newton z^w-1 (w complex)      CplxNewton           (type=3Dcomplexnewton)=

                                                   (Not a julibrot.)
Newton z^3 + (c-1) z - c      NewtonCubic          (Generic cubical equat=
ion
Newton)


Formulas will have parameter names associated with their parameters. The
name's meaning is determined by the formula in
context. The commonest names will be:


name    type               description
seed    complex or hyper   Julia c values. May also be a vector quantity =
for
some formulas.
init    "       "  "       Mandel z_0 values. A critical point or value, =
e.g.
0 for Mandelbrot, gives a true Mandelbrot
                           fractal. Any other value gives a perturbed
Mandelbrot.
exponent  integer, real, complex, hyper depending on formula
                           Exponent in Newton and z^n+c types. Analogous =
for
others.
function                   The function in CfnMandelbrot and friends.
function1, function2 ...     In multi-function relatives of lambdafn, lik=
e
Fractint's fn1*fn2+c.
For all of these, defaults are set by formula-specification.


Formulas will be assumed to have the attractors to check for specified in=
 the
formula.
A word on attractors. For Julia types, attractors are sought out by
"discovery".
For Mandelbrot types, attractors are specified in the formula, either as =
fixed
quantities (e.g. infinity for Mandelbrot)
or as some function of the parameters (as with Nova). Two special attract=
or
types will be infinity or find_fixed_point.
The latter will collect all points that tend to settle to one finite valu=
e.
Functions will be specifiable in some complex, yet to be devised format. =
A
fractal formula specification consists of:


string      1      Formula name with qualification, e.g. PGD::Nova.
string      1      Comments. See below about format for a comment string.=

record      any    Parameter specifications.
                   type    qty.    description
                   string  1       name of parameter
                   string  1       type-id, 'integer', 'real', 'complex'
allowed, 'complex' can be supplanted
                                   with hypercomplex with the hyper flag =
on.
                   uint    1       Number of dimensions for a vector valu=
e,
normally 1.
                   bool    1       Periodicity-checking applies to this
parameter? (Normally no except for the iteration
                                   variable)
                   The first parameter specified is the iteration variabl=
e
(possibly a vector). Its name will often be 'init'
                   to match the above convention for the classic types.
delimiter
n-place-function  1   Specifies the new value of the first parameter in t=
erms
of all of the parameter values (incl. previous
                      value of first parameter). May be a vector-valued
function to match the first parameter's nature.
bool        1      Suppress Julibrot behavior and act pure Julia. (e.g.
NewtonUnity.)


This will usually specify a Julibrot object. A Julia set is taken by fixi=
ng
parameters in the image except to pixel-vary
init. A Mandelbrot set (or slice thereof) is taken by pixel-varying a sli=
ce of
the parameter space except for the fixing
of init at a critical point or critical value. A perturbed Mandelbrot set=
 is
taken by doing the same except to fix init at a
point that isn't a critical point or critical value. An oblique slice is =
taken
by using some other more general manner of
slicing.

If there is one init parameter and one other, seed parameter, you have a =
4-D
Julibrot with planar M-sets and planar
Julia sets.


To specify the classic M-set Julibrot:

string    Mandelbrot
string    The original classic!
record    string    init
          string    complex
          uint      1
          bool      true
record    string    seed
          string    complex
          uint      1
          bool      false
delimiter
n-place-function      (init |-> init*init+seed, specified somehow)
bool      false


A convolution is a collection of n n-place functions, where n is the numb=
er of
parameter-space dimensions, often 4.
The dimension of a convolution should match the dimension of the fractal =
to
which it is applied, in the larger sense.

An escape shape is a function that returns a bool from a vector, dependin=
g on
the vector escaping a certain shape. The shape
should have a radius of around 1, it will be scaled automatically when us=
ed.

A plane through the origin in n dimensions is specified by n real
coefficients. These will be termed c_1, ..., c_n, and
the real basis components for the parameter space x_1, ..., z_n. Then the=

plane specified is that satisfying:
c_1*x_1 + c_2*x_2 + ... + c_n*x_n =3D 0.

Format: a ushort, the number of dimensions, then n reals.


How to specify an arbitrary n-valued function.


record    any    Parameters
                 string     1    name
                 string     1    type  (bool, integer, real, complex,
function)
delimiter
record    any    Temporaries
                 string     1    name
                 string     1    type  (bool, integer, real, complex)
delimiter
record    any    calculation steps
                 string     1    operation to perform: add, multiply, squ=
are,
recip, <=3D, >=3D, invoke parametrized function,
                                 etc. Two special ops: 1. Set a label. 2.=

Branch to a label if param 1 is true.
                 string     1    dest-param [If operation to perform is a=
n
assignment and not a conditional]
                 bool       1    source-param-1 is a parameter.
                 string     1    source-param-1  [If source-param-1 is a
parameter]
                 some type  1    source-param-1  [If not, i.e. source-par=
am-2
is a constant]
                 string     1    source-param-2  [Only if operation is bi=
nary
and not unary and it's a parameter here.]
                 some type  1    source-param-1  [Only if operation is bi=
nary
and not unary and it's a constant here.]
                 string     1    param-name of function to invoke [only i=
f
that is the operation to perform]
                 string     1    label-name if we are declaring a label o=
r
conditionally branching to one.                 =

delimiter
string    1      name of temporary to return.
ulong     1      Maximum number of steps before aborting. Ensures the fun=
ction
cannot hang.
return type  1   Value to return on abort.


When these are compiled:
* Type mismatches between number and function values will cause an error.=

* Conversions will be implicitly inserted among the non-function types.
  Anything to bool: 0 =3D false, anything else =3D true.
  Bool to anything: false =3D 0, true =3D 1.
  Integer to real to complex: As expected, value unchanged.
  Complex to real: Chop all but real component.
  Real to integer: Round to nearest, round 0.5 up.
* Integer operations and such may be optimized, e.g. z^3 should be as fas=
t as
possible if the parameter 3 is an integer type,
  and in particular will then be faster than if the 3 was in a complex
parameter type.
* Operations using constants should be faster by taking advantage of the =
exact
value of the constant if it is a small integer.
  I.e. z^2 with the 2 constant can be translated into the fast cplx sqyar=
ing
procedure.
* Function parameters must be either unary or binary functions. Ident, ze=
ro,
one, recip, sqr, add, multiply, etc.
* The defined function's return type is that of the parameter named near =
the
end as the return. It is returned at successful
  exit of the loop.
* The parameter of a branch is implicitly converted to a boool of course.=

* Some fast operations for integers: increment, decrement, ...
* Manner of compilation is application-dependent. Compilation to a linked=
 list
of function pointers or to byte codes is
  platform-independent. JIT compilation to native machine instructions is=
 also
an option for ultrafast operation on specific
  targets.





With that taken care of, some fractal parameters that are universal regar=
dless
of formula:

center       complex or hyper     Center of image   Default: Depends on
formula.
mag          real                 Magnification: 1 will mean the image ha=
s a
longer dimension of 1 in the fractal space.
                                  10 will mean the larger dimension is 0.=
1,
and so forth by reciprocals.
                                  Default: depends on formula.
rotation     real                 In degrees: image rotation (clockwise).=

Default: 0.
skew         real                 Skew. Default: 0.
maxiter      ulong                Maximum number of iterations to try.
Default: 2048.
hyper-flag   bool                 Hypercomplex or not. Affects the nature=
 of
center. Default: false.
quat-flag    bool                 Quaternion flag. Mutually exclusive wit=
h
hyper-flag and with formulas using trig/exp on a
                                  complex parameter.
                                  Either of these doubles all parameter s=
pace
dimensions.

outer_radius real                 Radius (not squared) for checking escap=
e to
infinity if there is an attractor there.
                                  Default: depends on formula.
inner_radius real                 Target radius around all finite attract=
ors.
                                  Default: depends on formula.
outer_shape  string               Formula name for an escape-shape formul=
a.
Builtins such as "circle", "square", "astroid",
                                  "ribbon", ...
                                  Default: circle.
inner_shape  string               Same. Determines the shapes of target a=
reas
around finite attractors or fixed-point-trap.
                                  Default: circle.
outer_shape_parms  various        Depends on shape. Might be aspect ratio=
 of
an ellipse, etc.
                                  Defaults: depend on shapes.
inner_shape_parms  various        Depends on shape. Might be aspect ratio=
 of
an ellipse, etc.
                                  Defaults: depend on shapes.





Whatever varies by pixel, if the parameter in question is assigned-to in =
the
parameter list, this assignment is ignored
(the pixel overrides) and a warning generated.


Now, the fractal description would be as follows. Here, as variable-lengt=
h
strings are used there will be no offsets
specified. Type 'string' means ASCII, null-terminated. A formula name or
parameter name is as above. =



parameter-block-marker
type     qty.     description
string   1        Description and comments, including linefeeds for line
breaks, null terminated as always. Default: A null
                  by itself (empty string) or perhaps computer-generated,=
 say,
date and time written and CPU detected.
string   1        formula name     Default: Mandelbrot.
string   1        convolution of coordinates -- a named convolution formu=
la  =

Default: identity.
string   any      paramater-name =3D value. Values may be in high precisi=
on,
forcing supporting software to use
                  high precision if any value is (or if the mag is high
enough) and non-supporting software to complain or
                  generate fuzzy or imprecise images. Default: defaults.
                  Sets parameters for formula, convolution, escape traps,=
 and
so forth.
delimiter         =


The next stuff is in three optional, mutually-exclusive groups.

full-julibrot-flag                Makes image an arbitrary Julibrot slice=
=2E
plane        real coefficient list  Default: plane is some interesting
opblique plane in parameter space.
                                  Determines equation of plane through or=
igin.
                                  Image slices hypercomplex and/or julibr=
ot
slices or many-dimensional
                                  Julia sets. Image center is in full
parameter-space and slice plane is through this
                                  parallel to plane whose equation is giv=
en.
OR

julia-flag                        Makes image a Julia set.
plane-flag                        True means a plane follows.
plane                             Slice for vector space of "init". Plane=

through origin as usual. Slice through parameter
                                  space is parallel and through center.
Default is flat in first two real components in
                                  vector.


OR

mandelbrot-flag                   Makes image an M-set.
string      1                     Parameter-name: names parameter that va=
ries
by pixel and determines image center.
                                  Center is a vector of that parameter.
plane-flag                        True means a plane follows.
plane                             Slice for parameter space. Plane throug=
h
origin as usual. Slice through parameter space is
                                  parallel and through center. Default is=
 flat
in first two real components in vector.


[Now the fractal is specified, independent of coloring schemes or display=

resolution. This can be used as a compact parameter file.]


algorithm-choice-block-marker
string   1       Algorithm type: 1pass, ..., npass (for reasonably large =
n),
tesseral, guessingn (n is number of passes, 1
                 is same as using 1pass), boundary, synchronous, diffusio=
n.
Default: guessing5.
real     1       Tolerance for determining how similar pixels are for pur=
poses
of tesseral and b-trace and s-guess. 0 means
                 must be identical. Default: 0.
periodicity  real      Periodicity checking sensitivity. Orbits that repe=
at to
within periodicity/mag are a cycle
                       detection. The factor of mag adjust the sensitivit=
y
automatically for deeper magnification.
                       Default: 1x10^-7, or is there a less conservative =
value
that gives good results? Better yet, depends
                       on formula.

[Now details of algorithm are specified.]


image-dimension-block-marker
ulong    1       width in pixels     Default: 1024
ulong    1       height in pixels    Default: 768

[Image is imagined to be a square of side 1/mag centered on center, then
truncated from top and bottom or from left and right
 symmetrically to have the specified proportions.]
[Specifies everything needed to batch-generate the data now.]


basin-info-block-marker
ushort   1                   # of basins
real     2*number of basins  min and max for each basin
complex or whatever    number of basins      Attractors, if there is one =
at
infinity it is attractor zero and the
                                             coordinates are ignored, if
fixed-point-trap is an attractor it is number 1 and
                                             again the coordinates are
ignored.

[Specifies "discovered" properties of the fractal.]

pixel-data-block-marker
record   width*height    Generated image data
                         type      qty.    description
                         ushort    1       Basin number. Remember
maxiter/periodicity is the last and infinity, if present,
                                           the zeroth.
                         ulong     1       Iterations. (Less than maxiter=
 for
periodicity-caught pixels!)
                         ulong     1       Period. (In case periodicity
checking caught the pixel. 0 if not found periodic.)
                         real      1       Distance from origin or recip =
of
distance from finite attractor when caught in
                                           a trap. (Recip of distance fro=
m
last point for fixed-point-trapping.)
                         real      1       Angle to attractor (to origin =
for
infinity, to previous point for
                                           fixed-point-trapping).
                         real      1       Other data, special purpose, f=
ixed
by formula.
                         real      2       Coordinates of terminal value.=


ushort   1               Days
byte     1               Hours
byte     1               Minutes
byte     1               Seconds
real     1               Fraction of a second    Calculation time
ulong    1               Pixels per second averaged


[Specifies whole fractal without a coloring.]

coloring-data-block-marker
record   any      Color-maps, applied sequentially to attractor basins.
                  type    qty.        description
                  record  1 or more   Color-map.
                                      type    qty.     description
                                      real    1        Between 0 and 1
inclusive, specifies a value relative to the min-max
                                                       range of the value=
 in
the basin.
                                      byte    3        red, then green, t=
hen
blue, between 0 and 255 inclusive.
                                      byte    1        0 =3D linear to ne=
xt
point 1 =3D quadratic 2 =3D cubic interpolation.
                  Default: Something serviceable. Greyscale perhaps.
7-place-function    any      Functions applied (one per basin) to transfo=
rm
the raw data into a value.
                  Default: iterations for all basins, except
maxiter/periodicity, where it is constant equal to 0.
1-place-function    any      Functions applied (one per basin) to transfo=
rm
the output one step further, e.g. for a logmap.
                             The min and max of the final value
                             Default: the identity, i.e. the output equal=
s the
input.

[Here, the color map indexes between 0 and 1 must be nondecreasing. Succe=
ssive
identical values are allowed to control
 splines which use neighbor points for interpolation. Quadratic uses prev=
ious,
current, and next to determine current to next, and
 cubic uses previous and next-after-next for control points.]
[The attracting basins are numbered from 0 up as follows: any
formula-specified attractors in given order, then for Julias any
 discovered attractors in order of encountering their basins left to righ=
t,
top to bottom. Lastly the color for max-iter.
 Minima and maxima are determined from the raw data. So the scheme is
well-defined.]
[The foregoing specifies a fractal without regard to resolution or genera=
ting
algorithm.]




This should be a reasonable first draft of a universal fractal data forma=
t,
which can have various levels of detail.
One should augment it by using LZSS compression at least when storing a w=
hole
fractal's data. Each of the sections (fractal params,
algorithm specification, color specification, raw data, etc.) should be
optional and delimited. An omitted section (except the raw
data and the "discovered" basin data) is regarded as all values their def=
aults
(as specified by the formula if necessary --
maybe the formula default, Mandelbrot). An omitted parameter is assumed
default. A named parameter not a standard name or
specified in a formula (escape radius, convolution, fractal iteration etc=
=2E)
causes a warning message.
As for computed data, if not specified it is computed.

The information stored per pixel is enough to use the saved data to quick=
ly
render using any of the following methods:
       Solid color in a basin
       Iterations
       Atan or decomp (using the angle value)
       Potential      (using iterations and the distance; should work aro=
und
finite attractors using the provided recip-of-distance!)
       Real, imag, summ, etc.   (using the coordinates z_final)
       Period         (using period value)
       Distance estimator (using the 'special' field and a special formul=
a to
put the 'distance' information in that field)
       And so forth...
       =

       =


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [Re: (fractint) Fractal source code. ]
Date: 01 Jun 1999 02:02:42 MDT

Phil McRevis <[e-mail]> wrote:

>> Attached below are two source files, which are fairly short.

> Neither of which have anything to do with fractint.  Paul, please make
> sure your posts are relevant before you post...


This nastygram was utterly uncalled-for.

The list maintainers have made it clear time and again that anything
fractal-related is welcome here, if it is civil of course and not a massi=
ve
binary attachment.

Witness a recent flurry of discussion about Flarium, another about Ultra
Fractal, several on the merits of freeware versus $$$ware, some on
copyrighting fractals, and so forth.

Moreover, the article I posted (and the two subsequent ones on related to=
pics)
may have everything to do with futurte directions in fractint development=
,
especially as applied to truecolor, 32-bit development, and to future fil=
e
formats and truecolor coloring mechanisms.

Depending on just what the developers choose to do with the source codes =
and
the file format descriptions and suchlike.

The source code demonstrates ways to get passes=3Dg, b, t doing something=
 useful
with truecolor images based on iterations. They also provide a basic M-se=
t
inner loop for 32-bit calculation as well as a reasonable image-memory-st=
orage
paradigm for 32-bit development.

The file formats (which are to be taken as early drafts and not the Gospe=
l)
provide a format that can be independent of image formats (and copyrights=
) or
worked into PNG; a format that can become some sort of standard across
software and machine architectures; and a format that will allow signific=
ant
experimenting with and tuning of the (true-)colors of a fractal image wit=
hout
the need to regenerate the image.


Now, I am not normally the paranoid type, but I have reason to suspect yo=
u
issued the above flame not because of my inoffensive posting's content (w=
hich
you could freely ignore if it did not iterest you) but instead because of=
 its
authorship. If this speculation is true, it does not reflect well upon yo=
ur
ethical and intellectual integrity that you would allow your publically-p=
osted
response to an article be influenced chiefly by its origin and not by its=

content. Content stands or falls on its own merits without reference to i=
ts
origin. Even if certain authors (I am not such a one) do produce a large
proportion of content that falls on its face with lack of objective merit=
, if
that same author produces a stunning article of wisdom or meaningfulness =
it is
not automatically garbage regardless because of that author's past histor=
y! It
may well be particularly suspect until it is read but then it should stan=
d or
fall on its own merit once again.

I suspect I may know the reason behind this out-of-left-field attack, as =
well,
and if I am correct it is not entirely your fault. Several years ago, in =
my
general ethical and rational conducting of my affairs and my verbose supp=
ort
for others adopting a similar standard of conduct, I ran afoul of an elit=
ist
clique on the university campus whose agenda was threatened by my ideas. =
One
of them, an advanced psych student, appears to have concocted a kind of "=
meme
plague" capable of coercing people into developing an unfounded and irrat=
ional
antagonism towards anyone named "Paul Derbyshire" in such a subtle manner=
 as
to creep past a person's conscious safeguards against blind acceptance of=

propaganda and dogma and rumor. Unfortunately, this led to the clique
developing a peculiar cult following of people who were, for all intents =
and
purposes, not themselves. This cult developed enough social clout to rend=
er me
a virtual pariah which I actually still am, despite the original clique's=

fragmenting and self-destructing as such ill-formed and evil organization=
s
tend to do. Although the "meme virus" tends to be rejected by the host's
conscious reason after a few days to a few months, a lot of damage was do=
ne
and the "virus" seems to keep reappearing like the yearly flu.

As evidence that this "meme virus" is capable of what I claim it does, an=
d is
not a more ordinary kind of propagandizing, I bring to bear two facts.
1. The content of the propaganda or whatever is the viral carrier may
   change and the underlying effect remains the same. It seems almost to
   be transmitted subliminally without the use of specific words. As it
   can transfer over the net in text-only media, which has been witnessed=

   to occur, it obviously lurks in hidden patterns or things like tone
   and word choice as well as the occasional actual, explicit derogatory
   remark against myself.
2. Persons whose character is demonstrably such that they simply do not
   blindly believe any propaganda or rumor they hear are still affected.

I suspect you have perhaps become infected by some descended variant of i=
t
yourself. It appears to have spread quite far, carrying with it a vague,
unfounded antagonism towards anyone the victim might later meet who happe=
ns to
carry my name. Don't bother consciously trying to purge it. As far as I h=
ave
gathered its behavior is totally subliminal and immune to conscious detec=
tion
or control, like a fog distorting one's perception of a single person. Mi=
ght
as well rail against a stroke-induced paralysis.

However, your occasional negative remarks are not truly your fault if my
speculation here is true, and moreover, you will recover in weeks and pro=
bably
be immune afterwards for months or years.



Meanwhile, I shall be much more careful in future when (accidentally or
deliberately) crossing swords with someone who has expertise in applied
psychology and appears unethical enough in character to use it in such a
malicious fashion.


____________________________________________________________________
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-------------------------------------------------------------------------------

From: "Randall Britten" <[e-mail]>
Subject: (fractint) Largest minibrot
Date: 01 Jun 1999 11:39:52 +0200

Which is the largest Minibrot (midget) in the Mandelbrot?

This one?

LargestMinibrot    {
  reset=1960 type=mandel center-mag=-1.76395/-0.000753836/34.36415
  params=0/0
  }


-------------------------
Randall Britten




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-------------------------------------------------------------------------------

From:    "Fliguer, Miguel" <[e-mail]>
Subject: RE: [Re: (fractint) Fractal source code. ]
Date: 01 Jun 1999 09:27:39 -0300

Paul Derbyshire wrote :

>>>The list maintainers have made it clear time and again that anything
>>>fractal-related is welcome here, if it is civil of course and not a
massive
>>>binary attachment.

>>> [massive text snipped]

Not necessarily binary. Paul, the first half of your response does comply
with
the above, but the rest... Three words : USE PRIVATE EMAIL

>>>tend to do. Although the "meme virus" tends to be rejected by the host's
>>>conscious reason after a few days to a few months, a lot of damage was
done
>>>and the "virus" seems to keep reappearing like the yearly flu.
>>> [snip]

And this ain't VIRUS-L, either ;-)

Regards,
Miguel Fliguer
Buenos Aires, Argentina

P.S.: Back to fractint, you once mentioned the 'n' command to get the
complex
plane coordinates. I can't find it on my v19.6 copy. Is this a v20 feature ?
Thanks in advance.

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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: [Re: (fractint) Fractal source code. ]
Date: 01 Jun 1999 11:20:08 -0600

The list's charter has been revised since the last time I looked at it,
and indeed is broader than just discussion of fractint.  Since I was
the one who had the list created on XMission for Tim, I probably joined
the list before Tim even had a chance to write the existing charter;
mea culpa.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: "Randall Britten" <[e-mail]>
Subject: RE: (fractint) Re: 1/f scaling noise
Date: 01 Jun 1999 23:01:18 +0200

I tried to answer your question, but in doing further reading, I have
realised that I understand it less than I thought.

I posted the following message on the sci.fractals newsgroup, I will let you
know if there is a decent reply:

<QUOTE>
What is fractal noise? What is an example of an algorithm that acurately
generates such signals?
How does one generate a signal such that its fractal dimension is a
predetermined value (e.g. 1.3)?
I understand that if the fourier transform of a signal is 1/f^n then the
signal "scales" i.e. the fourier transform of the signal "played" faster or
slower has the same 1/f^n FT, except that it is "louder/softer".
But is the only type of fractal signal one that has an FT of 1/f^n? If so,
do all signals with 1/f FT have the same fractal dimension?
</QUOTE>

There is a Freeware fractal music program at the following URL:
http://www.geocities.com/SiliconValley/Haven/4386/

It has a page describing algorithms, and one of them is a formula for
generating an approximate 1/f sequence.
http://www.geocities.com/SiliconValley/Haven/4386/algorith.html

I know that is not the complete answer you are looking for, but I hope that
it helps.

-------------------------
Randall Britten




-----Original Message-----
[mailto:[e-mail]] On Behalf Of Barry N Merenoff
Sent:    Thursday 27 May 1999 15:10

A while ago I sent in two questions about 1/f scaling noise. Does anybody
have answers?

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-------------------------------------------------------------------------------

From: "Tim Wegner" <[e-mail]>
Subject: Re: [Re: (fractint) Fractal source code. ]
Date: 01 Jun 1999 17:56:49 -0600

Let me clarify what is and is not on topic.


Paul's original post that started this thread was fine. The topic is
fractint and fractals, and I don't require that all posts be fractint-
related. Rich (a.k.a Phil) made an innocent mistake in this regard,
which he has acknowledged.


I do feel that we don't want a lot of source code here, because it is
probably of limited interest, but at this point code is not off topic,
so Paul's posting was acceptable.


There is a fractint developer's list (fractdev) that is better for source
code posting or implementation discussions. This is a pretty quiet
list usually. I haven't promoted it much because I imagined
originally it would be for serious fractint developers, but enough
people have discovered this list I see no reason to keep it a poorly-
kept secret.


Paul's response to Rich about conspiricies, viruses, etc. was way
off topic. Everyone, PLEASE spare the list that kind of thing. If you
have to vent, do so via private email.


Tim Wegner




<nofill>

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-------------------------------------------------------------------------------

From: [e-mail]
Subject: Re: (fractint) Largest minibrot
Date: 02 Jun 1999 01:01:52 +0200

At 11:39 01.06.99 +0200, Randall Britten wrote:
>Which is the largest Minibrot (midget) in the Mandelbrot?
>
>This one?
>
>LargestMinibrot    {
>  reset=1960 type=mandel center-mag=-1.76395/-0.000753836/34.36415
>  params=0/0
>  }
>
Sure. And it has the lowest period, too.

Speaking of midgets: Jay, how did you get the coordinates for your midget
and Misiuriewicz par files? I tried to calculate the roots with Newton's
method, but found them only up to period 4 without errors (in Fractint and
an own program). But for your p23 midgets, the polynomial would be of
4194303th order!


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-------------------------------------------------------------------------------

From: Thore Berntsen <[e-mail]>
Subject: RE: [Re: (fractint) Fractal source code. ]
Date: 02 Jun 1999 08:46:23 +0200

Hi Tim.

The developers list seems interesting. Can anyone join, and if yes how?

Thore Berntsen
Norway


    -----Original Message-----
    From:    Tim Wegner [SMTP:[e-mail]]
    Sent:    2. juni 1999 01:57
    To:    [e-mail]
    Subject:    Re: [Re: (fractint) Fractal source code. ]

    Let me clarify what is and is not on topic.

    Paul's original post that started this thread was fine. The
topic is  fractint and fractals, and I don't require that all posts be
fractint- related. Rich (a.k.a Phil) made an innocent mistake in this
regard,  which he has acknowledged.

    I do feel that we don't want a lot of source code here, because
it is  probably of limited interest, but at this point code is not off
topic,  so Paul's posting was acceptable.

    There is a fractint developer's list (fractdev) that is better
for source  code posting or implementation discussions. This is a pretty
quiet  list usually. I haven't promoted it much because I imagined
originally it would be for serious fractint developers, but enough
people have discovered this list I see no reason to keep it a poorly-
kept secret.

    Paul's response to Rich about conspiricies, viruses, etc. was
way  off topic. Everyone, PLEASE spare the list that kind of thing. If
you  have to vent, do so via private email.

    Tim Wegner





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-------------------------------------------------------------------------------

From: Barry N Merenoff <[e-mail]>
Subject: (fractint) Re: 1/f Scaling Noise
Date: 02 Jun 1999 04:56:03 -0400

Thank you, Randall Britten!

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-------------------------------------------------------------------------------

From: "Morgan L. Owens" <[e-mail]>
Subject: (fractint) Some pars
Date: 03 Jun 1999 03:27:27 +1200

The consequenes of my most recent bit of dickering...

Gothic             { ; Colours by Sylvie Gallet
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=SimplePendulumG function=cotan passes=b
  center-mag=0/0/0.6666667 params=0.5/0/0/0 float=y maxiter=1023
  inside=255 outside=atan periodicity=0
  colors=uuteS5<29>O31N20O41N20<10>Q72R82R82S93TA3<14>gQ5hR5iS4<3>mW3nX2nX\
  2nY2<6>rc0rc0rb0<4>pZ1pY1oX2nX2<11>aL4`K4ZI3<2>UG3SG4QF4OF5ME5<2>GC6DB7D\
  B7<74>ssrttsttstts<11>vvtwwuwwt<9>wwgwwfwvevud<4>tqZtpYsoXsnVrmUrmT<22>e\
  S5uus cyclerange=1/254
  }

Faberge            { ; Colours by Linda Allison
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=SimplePendulumG function=cotan passes=b
  center-mag=0.250195/1.38778e-016/5.72659/1/90 params=0.5/0/0/0
  float=y maxiter=1023 inside=255 outside=atan periodicity=0
  colors=0003eZ<16>2DC2BA2BA<12>111000000000<14>000500500<26>iB3<8>xeKziMy\
  fL<7>kF5iB3fA3<8>911500000<12>000000011021<12>3CA3CA3B9<15>000000021<4>3\
  CA4FC5JF<10>Fte<14>155012000<15>4zn<2>4pe4lb4h_3dX3`U<8>022<13>4zp<11>3f\
  `000 cyclerange=1/254
  }

PhosphorescentTide {
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=simplependulumg function=cosxx
  center-mag=-5.55112e-016/-1.11022e-016/0.6666667/2.2889
  params=0.5/0/0/0 float=y maxiter=1023 inside=255 outside=atan
  passes=b
  colors=000298<9>11100000000000000000900J00000K009000<102>000000276<7>011\
  011000000021<4>3CA4FC5JF<9>EqcFteEqc<14>012000<15>4zn<2>4pe4lb4h_3dX3`U<\
  8>022<13>4zp<14>3bW3`V3ZU3XS3WR<10>2DC2BA2BA2A9299000
  cyclerange=1/254
  }

I_Dunno_What_it_is { ; Um... a cybernetic Orang-utan?
                     ; Colours by Kerry Mitchell
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=simplependulumg function=cosxx
  center-mag=-0.490438/1.15415/9.226443/0.9515/34.438/-32.851
  params=1.5/0/0/0 float=y maxiter=1023 inside=255 outside=atan
  periodicity=0
  colors=222642A62A86EA6E82IA2MC2ME6IC6IEAIGEMIEMGAQIAQKEUMEUKAUI6QG6QE2<2\
  >aK2aM6YK6YMAYOEaQEaOAeQAeSEiUEiSAiQ6eO6eM2iO2mQ2mS6qU6qS2uU2yW2yY6uW6uY\
  Ay_AyaEu_EqYEqWAmUA<2>m_MqaMq_IuaIycIyeMucMueQygQyiUugUqeUqcQmaQmcUiaUe_\
  UeYQi_QiYMiWIeUIeWMaUMaSIYQIYSMYUQaWQaYUYWUYYYa_YaaaY_aYaeYciaeiaceeeeeg\
  iiiiigeieaecaeaYicYmeYmgaqiaqgYuiYykYymaukaumeyoeyqiuoiqmiqkemie<2>moqqq\
  qqomuqmysmyuqusquuuywuyyyuwyquyqsumqumsyiqyeoyemuiouimqikmeimekqaiqagmYe\
  mYgqYiuakuamy<2>QgyQeuUguUeqUcmQamQcqMaqM_mIYmI_qIauMcuMeyIcyEayE_uAYuA_\
  y6Yy2Wy2Uu6Wu6Uq2Sq2Qm6SmAUmAWqEYq<2>ESeAQeASi6Qi2Oi2Me6Oe6Ma2Ka2IY6KYAM\
  YAOaEQaEOYIQYMSYMUaISaIUeIWiMYiMWeQYeQ_iUaiU_eUYaQWaQUYUWYUUUQSUQQQUSQUQ\
  MUOIQMIQOMMMMMKIIIIIKMIMQMOQMQUIOUEMUEKQAIQAKU6IU2GU2EQ6GQ6EM2CM2AI6CIAE\
  IAGMEIM<2>ECAAAAACE6AE28E26A68A666246 cyclerange=1/254
  }

Maelstrom          { ; Story by Edgar Allen Poe
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=simplependulumg function=cotanh
  center-mag=-0.56294/0.762463/4.219409 params=1.5/0/0/0 float=y
  maxiter=1023 inside=255 outside=atan periodicity=0
  colors=000<24>000000222222<2>22822A44C44E44G44I66K66N66P66Q66T88V88X88Z8\
  8X88V88VAATAAQAAQCCPCCN<2>CCNCCNEENEENEENGGNGGNGGPIIPIIPIIPKKP<2>KKPNNPN\
  NQNNQNNQPPQPPQPPT<2>QQTQQTTTV<3>TTVTTVTTXTTXVVZVVZVVZVV`XX`XXcXXcXXcZZdZ\
  ZdZZgZZg``g``i``i``kcckccmccmccmddoddoddqddqggqggsggsgguiiuiiuiiwiiwkkyk\
  kykkzkkzmmzmmzmmzmmzoozoozoozoozqqzqqzqqzqqzsszsszsszsszuuzuuzuuzuuzwwzw\
  wzwwzwwzyyz<27>zzzzzzzyzyyzywzwuzuuzsszqqzoozooymmwkkuikugisggqddocdo`cm\
  Z`kZ`iXZgVXgTVdTVcQT`PQZNQZKPXKNVIKTGKTEIQCGPCGNAEK8CK6AI4AG48E26E06C04A\
  028028000<32>000 cyclerange=1/254
  }

frm:SimplePendulumG{
bailout=real(p2)+4
dt=real(p1)
z=pixel
pi2=Pi+Pi:
x=real(z)
y=imag(z)
z=x+y*dt+flip(y+fn1(pi2*x)*dt)
|z|<=bailout}



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-------------------------------------------------------------------------------

From: JoWeber <[e-mail]>
Subject: (fractint) updated site
Date: 02 Jun 1999 19:21:09 -0400

Hi All,

today I added a new section to my site called
"Friends and their work".
You can dl the latest work of Bob Carr ( 43Hcarr - 43Kcarr ) and take
a view of the images via thumbnails.
You can also dl the latest work of Lee Skinner.
--Jo--

http://www.joweber.de

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-------------------------------------------------------------------------------

From: "Earl Simpson" <[e-mail]>
Subject: Re: (fractint) updated site
Date: 02 Jun 1999 23:04:17 -0500

Jo,

Too often we take too much for granted, and never pause to say "Thank You"
to people that make a part of life more enjoyable.  Such is the case on my
part with respect to your outstanding effort and great website.

I have throughly enjoyed downloading and reproducing the images from the
pars which other great folks have allowed you to post, as well as your own.

Again THANK YOU, and thanks to the people that allow you to post their pars,
for all that you do for the rest of us.

Earl Simpson




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-------------------------------------------------------------------------------

From: JoWeber <[e-mail]>
Subject: Re: (fractint) updated site
Date: 03 Jun 1999 02:23:30 -0400

Hi Earl,

many thanks for your very kind words.

--Jo--

http://www.joweber.de
Hagen (Germany)

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-------------------------------------------------------------------------------

From: davides <[e-mail]>
Subject: Re: (fractint) Some pars
Date: 03 Jun 1999 13:06:18 -0400

At 03:27 AM 6/3/1999 +1200, you wrote:
>The consequenes of my most recent bit of dickering...

I especially liked:

Faberge            { ; Colours by Linda Allison
  reset=1960 type=formula formulafile=fractint.frm
  formulaname=SimplePendulumG function=cotan passes=b

Cheers,

[e-mail]
[e-mail]
Back up my hard drive?
How do I put it in reverse?

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-------------------------------------------------------------------------------

From: "Morgan L. Owens" <[e-mail]>
Subject: Re: (fractint) Some pars
Date: 04 Jun 1999 09:38:14 +1200

At 13:06 03/06/99 -0400, davides wrote:
>
>I especially liked:
>
>Faberge            { ; Colours by Linda Allison
>  reset=1960 type=formula formulafile=fractint.frm
>  formulaname=SimplePendulumG function=cotan passes=b
>
>Cheers,
>
You're welcome.

Morgan L. Owens




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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Worm warning -- this is NOT a HOAX.
Date: 05 Jun 1999 08:45:43 MDT


To everyone on all of these mailing lists. DO NOT open unsolicited or
otherwise suspicious attachments. Not Word files or executables, or Excel=

files. If you must, scan them first with antivirus software. Update your
antivirus software so it recognizes "Pretty Park".


This one spreads much like the Happy99 worm or Melissa. Worse, once insta=
lled
it allows unauthorized access to one's computer like Netbus or Back Orifi=
ce,
by talking to the virus author on IRC.

I felt it prudent to warn you guys, since two of the lists got dinged wit=
h
Happy99...

Read about it from the source.

http://www.msnbc.com/news/276805.asp


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [Re: (fractint) Worm warning -- this is NOT a HOAX.]
Date: 05 Jun 1999 10:51:25 MDT

"Tim Wegner" <[e-mail]> wrote:

> OFF TOPIC!!!!!!

I don't agree. I think it prudent to warn the list, after seeing the list=
 get
dinged with Happy99 a few months ago. We really don't want a repeat of th=
at,
especially since this new worm has the capacity to be far more dangerous =
than
Happy99.

(What the devil is the matter with these mail filters?)


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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: [Re: (fractint) Worm warning -- this is NOT a HOAX.]
Date: 05 Jun 1999 11:55:36 -0600


In article <[e-mail]>,
    Paul Derbyshire <[e-mail]>  writes:

> I think it prudent to warn the list [...]

LOL.  If I had a nickel for every time I was "warned" of impending
virus doom I'd be a millioinaire.  The warning here assumes things
like: everyone is running a windows PC, everyone opens executable
attachments and runs them automatically, etc., etc.  Yes, viruses pose
real dangers if you don't treat internet mail with attachments as
suspect.  But pulling a chicken little every time a new virus comes
out doesn't help either.  Viruses come and go and it is the
responsibility of each user to pay attention to what they are doing or
reap the potentially nasty consequences.  If you play with fire, you
might get burned.  Caveat emptor, etc., etc.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: John Wilson <[e-mail]>
Subject: (fractint) Off topic????
Date: 05 Jun 1999 11:09:50 -0700

Saturday, June 05, 1999, 3:51:25 AM, Paul wrote:

PD> "Tim Wegner" <[e-mail]> wrote:

>> OFF TOPIC!!!!!!

I have suspected, for a couple of days, that I am not receiving *all*
the mail I should be getting...I certainly didn't see one from Tim.
Both Philofractal and Fractint seem to have died to one or two
messages per diem.   This is correct?

PD> (What the devil is the matter with these mail filters?)

Is someone else having the same problem?

John W.                            mailto:[e-mail]



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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [Re: [Re: (fractint) Worm warning -- this is NOT a HOAX.] ]
Date: 05 Jun 1999 19:40:35 MDT

Phil McRevis <[e-mail]> wrote:

> Viruses come and go and it is the responsibility of each user to pay
> attention to what they are doing or reap the potentially nasty
> consequences.  If you play with fire, you might get burned.  Caveat
> emptor, etc., etc.

This thing can spread via mailing lists very easily. And appear to come f=
rom a
trustworthy person on a trustworthy mailing list. And therefore it is rat=
her
insidious. Remember the incident with Happy99 on here? We don't want a
repeat... Nor do we want to lambast someone for posting a binary attachme=
nt in
the event they unwittingly got infected and did *not* in fact choose to p=
ost
an attachment. The guy who got zonked with Happy99 on here got zonked aga=
in
with some flames for his involuntary posting of it on the list shortly
thereafter.

It's best that none of us, least of all the list administrator, operate i=
n an
information vacuum...


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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: (fractint) Message lossage?
Date: 05 Jun 1999 19:47:31 MDT

John Wilson <[e-mail]> wrote:
Saturday, June 05, 1999, 3:51:25 AM, Paul wrote:

> PD> "Tim Wegner" <[e-mail]> wrote:

>>> OFF TOPIC!!!!!!

> I have suspected, for a couple of days, that I am not receiving *all*
> the mail I should be getting...I certainly didn't see one from Tim.
> Both Philofractal and Fractint seem to have died to one or two
> messages per diem.   This is correct?

> PD> (What the devil is the matter with these mail filters?)

> Is someone else having the same problem?

It's starting to look that way. Tim, any idea what's up?


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-------------------------------------------------------------------------------

From: "Morgan L. Owens" <[e-mail]>
Subject: Re: (fractint) Message lossage?
Date: 06 Jun 1999 14:34:03 +1200

At 19:47 05/06/99 MDT, you wrote:
>John Wilson <[e-mail]> wrote:
>Saturday, June 05, 1999, 3:51:25 AM, Paul wrote:
>
>> PD> "Tim Wegner" <[e-mail]> wrote:
>
>>>> OFF TOPIC!!!!!!
>
>> I have suspected, for a couple of days, that I am not receiving *all*
>> the mail I should be getting...I certainly didn't see one from Tim.
>> Both Philofractal and Fractint seem to have died to one or two
>> messages per diem.   This is correct?
>
>> PD> (What the devil is the matter with these mail filters?)
>
>> Is someone else having the same problem?
>
>It's starting to look that way. Tim, any idea what's up?
>
Maybe messages are being lost to the "Virus Warning" virus
:-)

But I also suspect I'm missing messages (I didn't receive Tim's _OFF TOPIC_
post either.)




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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: (fractint) Re: missing messages
Date: 05 Jun 1999 21:35:55 -0600


In article <[e-mail]>,
    John Wilson <[e-mail]>  writes:

> I have suspected, for a couple of days, that I am not receiving *all*
> the mail I should be getting...I certainly didn't see one from Tim.

That's because Tim sent it as email to Paul "Chicken Little"
Derbyshire, and Paul felt the need to respond to the list.  When the
administrator of a list sends you private email that suggests your
posts are off topic, you ought to step back and pause for a moment
before inflicting more messages on the subscriber base.

By the way, the fractint mailing list is archived in xmission, which
is why I know that the message in question was not sent to the list.
If one ever fears that messages are going to the list and not being
received in your emailbox, you can always double check the archives.

You can find the archives at
<ftp://ftp.xmission.com/pub/lists/fractint/archive/>
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: Paul Derbyshire <[e-mail]>
Subject: Re: [(fractint) Re: missing messages]
Date: 05 Jun 1999 21:41:30 MDT

Phil McRevis <[e-mail]> wrote:

> That's because Tim sent it as email to Paul "Chicken Little"
> Derbyshire, and Paul felt the need to respond to the list.

He did? I thought he sent it on the list. It had the list message identif=
ier
on it.

____________________________________________________________________
Get free e-mail and a permanent address at http://www.netaddress.com/?N=3D=
1

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-------------------------------------------------------------------------------

From: [e-mail]
Subject: (fractint) Some pars
Date: 06 Jun 1999 00:04:06 EDT

These are some pars  of common fractal types that are zoomed
and aspected in interesting ways:


lorentzoom         { ; lorentz good background                    John Cerra
  reset=1950 type=lorenz corners=-2.58/2.58/11.06322/16.22322
  params=0.02/5/15/1 float=y inside=bof60
  colors=00000e0e00eee00e0eeL0eeeLLLLLzLzLLzzzLLzLzzzLzzz
  }

lorentzoom2        { ; lorentz -      has perspective              John Cerra
  reset=1950 type=lorenz corners=-0.96/0.96/8.881402/15.90992
  params=0.02/5/15/1 float=y inside=bof60
  colors=00000e0e00eee00e0eeL0eeeLLLLLzLzLLzzzLLzLzzzLzzz
  }

kamweb             { ; zoomed kamtorus                              John Cerra
  reset=1950 type=kamtorus corners=-0.266/0.266/-0.29215442/0.29215442
  params=2/0.005/1.5/150 float=y inside=bof60
  colors=000g`inhv<2>DlLJqGdyiI6V<3>itRPE8VLKaTX
  }

        My thanks to the many "fractintonians" who have helped me
get a grasp of this great program

JOhn J. Cerra
http://members.aol.com/jncerra/index.htm

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-------------------------------------------------------------------------------

From: "Randall Britten" <[e-mail]>
Subject: (fractint) Animated gifs
Date: 09 Jun 1999 19:24:18 +0200

Did you know, Fractint can open animated gifs.  It seems to animate them
faster than web browsers do.

Fractal animations are really cool.  I will put up some requests on the
wishlist if they are not already there, things like "Fractal Filmer" allows
you to do, but better, allowing you to compose an actual animation, rather
than having to get hold of some external animation tool.

-------------------------
Randall Britten



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-------------------------------------------------------------------------------

From: Mark Christenson <[e-mail]>
Subject: Re: (fractint) Animated gifs
Date: 09 Jun 1999 18:15:57 -0700

At 07:24 PM 6/9/99 +0200, Randall Britten wrote:
>Did you know, Fractint can open animated gifs.  It seems to animate them
>faster than web browsers do.

Unfortunately, it doesn't repeat.  Interesting nonetheless.

>Fractal animations are really cool.

For those who enjoy animations, I have an animated GIF (200k)
of an affine transformation on my site at

http://www.hooked.net/room9a.htm

Now that I think of it, that would be a really neat way to
demonstrate the evolution of a fractal image... (hmmm)
maybe later.


Aloha, Bud

Mark "Bud" Christenson
Webmaster/Artist, Bud's Fractal Pages
http://www.hooked.net/~mchris/fractals.htm


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-------------------------------------------------------------------------------

From: Mark Christenson <[e-mail]>
Subject: Re: (fractint) Animated gifs - oops!
Date: 09 Jun 1999 18:19:33 -0700

Dammit, did it agin (URL)  >:-#

At 07:24 PM 6/9/99 +0200, Randall Britten wrote:
>Did you know, Fractint can open animated gifs.  It seems to animate them
>faster than web browsers do.

Unfortunately, it doesn't repeat.  Interesting nonetheless.

>Fractal animations are really cool.

For those who enjoy animations, I have an animated GIF (200k)
of an affine transformation on my site at

>>> http://www.hooked.net/~mchris/room9a.htm <<<

Now that I think of it, that would be a really neat way to
demonstrate the evolution of a fractal image... (hmmm)
maybe later.


Aloha, Bud

Mark "Bud" Christenson
Webmaster/Artist, Bud's Fractal Pages
http://www.hooked.net/~mchris/fractals.htm


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-------------------------------------------------------------------------------

From: "Damien M. Jones" <[e-mail]>
Subject: (fractint) Contest Time
Date: 09 Jun 1999 21:41:44 -0500

Greetings folks,

I have accumulated a good number of thoughts on a contest this year. I'm
going to post them to the Fractal-Art list tomorrow evening, but I wanted
to give everyone a sort of "heads-up" for a couple of reasons:

 1. I'd like the discussion to stay pretty much in one place, and since
    the contest is for all fractal software (not just FractInt or Ultra
    Fractal) it seems the best place for that is the F-A list; and,

 2. Many people might not be subscribed to the F-A list (several unsubbed
    some time ago) and I didn't want to force them to go to the list
    archives and catch up on the discussion once we've started.

If you're not currently subscribed to the F-A list, you can subscribe by
sending a message with nothing but the word "subscribe" in the body of the
message to [e-mail] and that will do the trick.

I've started to build a rough contest web site for this year. You can sneak
a peek here:

    http://www.fractalus.com/contest99/

It's not linked from the main entrance page on my site because it's not
"ready" yet.

Damien M. Jones   \\
[e-mail]  \\  Fractalus Galleries & Info:
                    \\  http://www.fractalus.com/

Please do not post my e-mail address on a web site or
in a newsgroup.  Thank you.

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-------------------------------------------------------------------------------

From: Lee Skinner <[e-mail]>
Subject: (fractint) 6 scenic pars
Date: 09 Jun 1999 23:48:55 -0400

Here are the original Fractint pars for the 6 images that Sylvie posted
today to the Ultra Fractal list.

frm:carr2821 {; Modified Sylvie Gallet frm. [101324,3444],1996
          ; Converted to if.else by Sylvie Gallet and George Martin 3/97
          ; passes=3D1 needs to be used with this PHC formula.
   pixinv =3D 0.1/pixel
   p9 =3D 0.9*pixinv
   imagp1 =3D imag(p1)
   imagp2 =3D imag(p2)
   IF (whitesq)
      z =3D zorig =3D pixel - conj(pixinv)
      c =3D pixel - flip(pixinv) - conj(0.01*pixinv) - p9
      mz =3D |z|
   ELSE
      c =3D flip(pixinv) + conj(0.01*pixinv) - pixel - p9
      z =3D zorig =3D conj(pixinv) - pixel
      mz =3D |z|
   ENDIF
   bailout =3D 16
   iter =3D 0
   :
   IF (iter=3D=3Dp1)
      z =3D mz =3D 0
      c =3D 1.5*zorig^1.2 - p9
   ELSEIF (iter=3D=3Dimagp1)
      z =3D mz =3D 0
      c =3D 2.25*conj(zorig) - p9
   ELSEIF (iter=3D=3Dp2)
      z =3D mz =3D 0
      c =3D 3.375*flip(zorig) - p9
   ELSEIF (iter=3D=3Dimagp2)
      z =3D mz =3D 0
      c =3D 5.0625*flip(zorig) - p9
   ENDIF
   z =3D mz*0.2 + z*z + c
   mz =3D |z|
   iter =3D iter + 1
   mz <=3D bailout
}


_2821570           { ;                                       t=3D  0:38:3=
5.16
                     ; on a P233 at 1600x900  Apr 11, 1999  11:19:52
                     ; Image Copyright 1999 by Lee H. Skinner ver=3D1961
                     ;  Version 1961 Patchlevel 69
  reset=3D1961 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dcarr2821 passes=3D1
  center-mag=3D-0.09038201447702857/-0.43587405182779220/1366163/0.75
  params=3D200/300/400/550 float=3Dy maxiter=3D647 periodicity=3D0
  viewwindows=3D4.2/0.563/yes/1600/900
  colors=3D000rY0oU0<2>0CI0FM<6>YdAbh8gl6<3>zz0<4>nY0lT0iN0<3>`00<3>mVQpb=
Wtj\
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3\
  1022055<3>0GG0JJ0MM0P00M24L08TW<3>OXeSYgWZi__lc`n0TplQ0iN0gJ0<2>p80<2>R=
0\
  0P00<4>000023057kbs<3>OKSIFLCAE657000220457<6>JNWMQ_OTc<3>Xcr<9>CFLADH8=
A\
  E<2>23300000500A<3>05D07D08E<4>EN8HQ7KT6<3>We0<4>JQ5HN6EK7CH89E96AB47A1=
4\
  9000<3>II0MM0RR0WW0<3>hhMlkSooY<2>zynwtosop<8>NhlJgkFgk<3>0ch0ae0Zb<3>2=
2\
  R<3>44F45C569335000000400<2>A00C00C00D00000F00<3>I00J00K00<3>O00<4>zg0x=
d\
  0u`0 sound=3Dyes/pc
  }

_2821665           { ;                                       t=3D  0:37:2=
7.72
                     ; on a P233 at 1600x900  Apr 11, 1999  11:20:47
                     ; Image Copyright 1999 by Lee H. Skinner ver=3D1961
                     ;  Version 1961 Patchlevel 69
  reset=3D1961 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dcarr2821 passes=3D1
  center-mag=3D-0.08992770456599442/-0.43542268193956660/73229.23/0.75
  params=3D200/300/400/550 float=3Dy maxiter=3D647 periodicity=3D0
  viewwindows=3D4.2/0.563/yes/1600/900
  colors=3D000gl6<3>zz0<4>nY0lT0iN0<3>`00<3>mVQpbWtjawqhzyn<3>zkZygVydR<2=
>yU\
  F<3>yHLxENxBOx7Qx4R<4>c5S_6TW6T<2>K7TG7UC5M83F42763A00G022<3>0DD0GG0JJ0=
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4\
  4143<2>131220457<6>JNWMQ_OTc<3>Xcr<9>CFLADH8AE<2>23300000500A<3>05D07D0=
8\
  E<4>EN8HQ7KT6<3>We0<4>JQ5HN6EK7CH89E96AB47A149000<3>II0MM0RR0WW0<3>hhMl=
k\
  SooY<2>zynwtosop<8>NhlJgkFgk<3>0ch0ae0Zb<3>2ER29O33L<2>45C5693350000004=
0\
  0<2>A00C00C00D00000F00<3>I00J00K00<3>O00<3>rZ0zg0xd0<2>oU007A<2>0FM<7>b=
h\
  8 sound=3Dyes/pc
  }

_2821685           { ;                                       t=3D  0:16:1=
3.88
                     ; on a P233 at 1600x900  Apr 11, 1999  11:20:59
                     ; Image Copyright 1999 by Lee H. Skinner ver=3D1961
                     ;  Version 1961 Patchlevel 69
  reset=3D1961 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dcarr2821 passes=3D1
  center-mag=3D-0.17885355142101680/-0.60159203667394400/38885.02/0.75/-3=
9.9\
  99 params=3D200/300/400/550 float=3Dy maxiter=3D647 periodicity=3D0
  viewwindows=3D4.2/0.563/yes/1600/900
  colors=3D000C5M83F42763A00G022055088<3>3HI4JL5MN<2>8TW<3>OXeSYgWZi__lc`=
ngW\
  QlQ0iN0gJ0<2>p80<3>S30M20P78<3>cScgXkkbs<3>OKSIFLCAE657000220<7>1NV1QZ1=
T\
  b<3>0cr<5>3PZ4NW5KS<2>7DI8AE68A45723300000500A<3>05D07D08E<4>EN8HQ7KT6<=
3\
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o\
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0\
  0F00<3>I00J00K00<3>O00<3>rZ0zg0xd0<2>oU0<3>_U7WU9SUBOUDJUF<3>bh8gl6lo5<=
2\
  >zz0<4>nY0lT0iN0<3>`00<3>mVQpbWtjawqhzyn<3>zkZygVydR<2>yUF<3>yHLxENxBOx=
7\
  Qx4R<10>G7U sound=3Dyes/pc
  }

_2821732           { ;                                       t=3D  0:39:1=
1.07
                     ; on a P233 at 1600x900  Apr 11, 1999  11:21:30
                     ; Image Copyright 1999 by Lee H. Skinner ver=3D1961
                     ;  Version 1961 Patchlevel 69
  reset=3D1961 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dcarr2821 passes=3D1
  center-mag=3D-0.09284551716413093/-0.43504743584154330/2.009519e+008/0.=
75/\
  4.994/0.01 params=3D200/300/400/550 float=3Dy maxiter=3D647 periodicity=
=3D0
  viewwindows=3D4.2/0.563/yes/1600/900
  colors=3D000xBOx7Qx4R<4>c5S_6TW6T<2>K7TG7UC5M83F42763A00G022<3>0DD0GG0J=
J0M\
  M0P00M24L08TW<3>OXeSYgWZi__lc`n<3>gJ0<3>W40T00R00P00<2>A00<3>cVgkbseZl<=
3\
  >IFLCAE657000220457<6>JNWMQ_OTc<3>Xcr<9>CFLADH8AE<2>23300000500A<3>05D0=
7\
  D08E<4>EN8HQ7KT6<3>We0<4>JQ5HN6EK7CH89E96AB47A149000<3>II0MM0RR0WW0<3>h=
h\
  MlkSooY<2>zynwtosop<8>NhlJgkFgk<3>0ch0ae0Zb<3>22R<3>44F45C5693350000004=
0\
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5\
  >YdAbh8gl6<3>zz0<4>nY0lT0iN0<3>`00<3>mVQpbWtjawqhzyn<3>fhhacfX_dRVb<6>x=
E\
  N sound=3Dyes/pc
  }

_2821749           { ;                                       t=3D  0:37:3=
3.98
                     ; on a P233 at 1600x900  Apr 11, 1999  11:21:41
                     ; Image Copyright 1999 by Lee H. Skinner ver=3D1961
                     ;  Version 1961 Patchlevel 69
  reset=3D1961 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dcarr2821 passes=3D1
  center-mag=3D-0.09106568163733537/-0.43575847710116510/1.91681e+007/0.7=
5/-\
  37.499 params=3D200/300/400/550 float=3Dy maxiter=3D647 periodicity=3D0=

  viewwindows=3D4.2/0.563/yes/1600/900
  colors=3D000<3>0BB0DD0GG0JJ0MM<2>6RT8TWCUZ<3>SYgWZi__lc`ngWQlQ0iN0gJ0<2=
>p8\
  0<2>W20P00K00<3>000023057<3>JHNOKSIFL<2>000220457<6>JNWMQ_OTc<3>Xcr<9>C=
F\
  LADH8AE<2>23300000500A<3>05D07D08E<4>EN8HQ7KT6<3>We0<4>JQ5HN6EK7CH89E96=
A\
  B47A149000<3>II0MM0RR0WW0<3>hhMlkSooY<2>zynwtosop<8>NhlJgkFgk<3>0ch0ae0=
Z\
  b<3>22R<3>44F45C569335000000400<2>A00C00C00D00000F00<3>I00J00K00<3>O00<=
3\
  >rZ0zg0xd0<2>oU0<2>0CI0FM<6>YdAbh8gl6<3>zz0<4>nY0lT0iN0<3>`00<3>mVQpbWt=
j\
  awqhzyn<3>zkZygVydR<2>yUF<3>yHLxENxBOx7Qx4R<4>c5S_6TW6T<2>K7TG7UC5M83F4=
2\
  763A00G sound=3Dyes/pc
  }

_2821777           { ;                                       t=3D  0:40:5=
3.14
                     ; on a P233 at 1600x900  Apr 11, 1999  11:22:00
                     ; Image Copyright 1999 by Lee H. Skinner ver=3D1961
                     ;  Version 1961 Patchlevel 69
  reset=3D1961 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dcarr2821 passes=3D1
  center-mag=3D-0.09106249590870003/-0.43575884532959520/7.886838e+008/0.=
75/\
  -37.5 params=3D200/300/400/550 float=3Dy maxiter=3D647 periodicity=3D0
  viewwindows=3D4.2/0.563/yes/1600/900
  colors=3D000PUd<5>CFLADH8AE<2>23300000500A<3>05D07D08E<3>BK9EN8HQ7KT6NW=
4<2\
  >ij1qo0vtg<2>JQ5<3>9E96AB47A149000<3>II0MM0RR0WW0<3>hhMlkSooY<2>zynwtos=
o\
  p<8>NhlJgkFgk<3>0ch0ae0Zb<3>22R<3>44F45C569335000000400<2>A00C00C00D000=
0\
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Y\
  0lT0iN0<3>`00<3>mVQpbWtjawqhzyn<3>zkZygVydR<2>yUF<3>yHLxENxBOx7Qx4R<2>l=
5\
  Sh5Sb5S<3>D2T71T00UC5M83F42763A<4>4G63J53M4<3>0X06RT8TW<3>OXeSYgWZi__lc=
`\
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N\
  WMQ_OTc<3>Xcr<2>RXh sound=3Dyes/pc
  }


Lee Skinner

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-------------------------------------------------------------------------------

From: JoWeber <[e-mail]>
Subject: (fractint) some pars
Date: 12 Jun 1999 17:17:39 -0400

Hi All,

some nice images.
--Jo--

http://www.joweber.de

jo06_01            { ; t=3D  4:21:49.08 =

                     ; on a P233MMX at 1600x1200  Jun 12, 1999  23:09:50
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandelbrotmix4 function=3Dident passes=3Dt
  center-mag=3D+0.00003582776617623/+0.00016408568488817/12126.4/1/-37.49=
9
  params=3D-500/-500/-1.1/-1/0/0 float=3Dy maxiter=3D7200 bailout=3D25
  inside=3D0 logmap=3D6 symmetry=3Dnone periodicity=3D10
  colors=3D000C5M83F42763A00G022055<2>2DD2FG3HI4JL5MN<2>8TW<2>KWcOXeSYgWZ=
i__\
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5\
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c\
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  G7U
  }

jo06_02            { ; t=3D  1:18:04.55 =

                     ; on a P233MMX at 1600x1200  Jun 12, 1999  23:10:15
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
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jo06_03            { ; t=3D  0:26:59.32 =

                     ; on a P233MMX at 1600x1200  Jun 12, 1999  23:10:23
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
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  }

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                     ; on a P233MMX at 1600x1200  Jun 12, 1999  23:10:33
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
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                     ; on a P233MMX at 1600x1200  Jun 12, 1999  23:10:43
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
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                     ; e-mail to [e-mail]
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jo06_07            { ; t=3D  0:20:49.11 =

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                     ; e-mail to [e-mail]
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jo06_08            { ; t=3D  1:23:22.72 =

                     ; on a P233MMX at 1600x1200  Jun 12, 1999  23:11:19
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
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jo06_09            { ; t=3D  1:21:33.37 =

                     ; on a P233MMX at 1600x1200  Jun 12, 1999  23:11:28
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
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  formulaname=3Dmandelbrotmix4 function=3Dident passes=3D1
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  }

frm:MandelbrotMix4 {; Jim Muth
a=3Dreal(p1), b=3Dimag(p1), d=3Dreal(p2), f=3Dimag(p2), g=3D1/f,
h=3D1/d, j=3D1/(f-b), z=3D(-a*b*g*h)^j, k=3Dreal(p3)+1,
l=3Dimag(p3)+100, c=3Dfn1(pixel):
z=3Dk*((a*(z^b))+(d*(z^f)))+c,
|z| < l
}

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-------------------------------------------------------------------------------

From: Sylvie Gallet <[e-mail]>
Subject: (fractint) New Gallery
Date: 12 Jun 1999 17:46:31 -0400

Hi All,

  I have added a new gallery (#10) with 12 mandel zooms to my site:

    http://ourworld.compuserve.com/homepages/Sylvie_Gallet/homepage.htm

  Enjoy!

        - Sylvie

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-------------------------------------------------------------------------------

From: [e-mail]
Subject: Re: (fractint) New Gallery
Date: 13 Jun 1999 08:13:11 EDT

Sylvie,

Fabulous!  Really beautiful pictures (as always).

BTW- The link to gallery 9 does not seem to be working properly.

Bill

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-------------------------------------------------------------------------------

From: Sylvie Gallet <[e-mail]>
Subject: Re: (fractint) New Gallery
Date: 13 Jun 1999 14:42:06 -0400

Hi Bill,

>> Fabulous!  Really beautiful pictures (as always).

  Thank you very much!

>> BTW- The link to gallery 9 does not seem to be working properly.

  It should work but there are often problems with the AOL part of my sit=
e.
 Please try again and let me know if the problem persists.

  Cheers,

        - Sylvie

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-------------------------------------------------------------------------------

From: "Les St Clair" <[e-mail]>
Subject: (fractint) May Par Collection
Date: 13 Jun 1999 20:45:28 +0100

Hi folks,

A little later than usual, but the May par collection of postings to this mail
list is now available at:

http://ourworld.compuserve.com/homepages/Les_StClair/fml.htm
(just the parameters)

or, if you prefer the pars with their original messages left intact you can get
this version:

http://www.homeusers.prestel.co.uk/crosstrees/fml.htm

I've also introduced a "Fractal of the Month" on this page. So drop in if you
want to see which one turned out to be my fave for May.

The updated formula collection (frac_ml.frm) is available from both sites.

cheers,
Les







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-------------------------------------------------------------------------------

From: "Marie Drozdis" <[e-mail]>
Subject: Re: (fractint) New Gallery
Date: 13 Jun 1999 20:28:41 -0700

Sylvie,

I, too, wasn't able to view gallery nine.  I tried thirty minutes ago. My
browser is MSIE5.

What wonderful fractals you originate!  You are an inspiration to so many of
us.

Marie :)
----- Original Message -----
Sent: Sunday, June 13, 1999 11:42 AM


Hi Bill,

>> Fabulous!  Really beautiful pictures (as always).

  Thank you very much!

>> BTW- The link to gallery 9 does not seem to be working properly.

  It should work but there are often problems with the AOL part of my site.
 Please try again and let me know if the problem persists.

  Cheers,

        - Sylvie

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-------------------------------------------------------------------------------

From: Sylvie Gallet <[e-mail]>
Subject: Re: (fractint) New Gallery
Date: 14 Jun 1999 12:25:50 -0400

Hi Marie,

>> I, too, wasn't able to view gallery nine.  I tried thirty minutes ago.=

>> My browser is MSIE5.

  I've re-uploaded page_9_e.htm yesterday evening (French time), so you
should be able to see gallery 9.

>> What wonderful fractals you originate!  You are an inspiration to so
>> many of us.

  Thank you!

  Cheers,

        - Sylvie

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-------------------------------------------------------------------------------

From: "Dave Hershey (Volt Computer)" <[e-mail]>
Subject: RE: (fractint) New Gallery
Date: 14 Jun 1999 10:39:48 -0700

This is my favorite part of this list.  The links to nifty galleries.
Thanks.

--Dave.


-----Original Message-----
Sent: Saturday, June 12, 1999 2:47 PM


Hi All,

  I have added a new gallery (#10) with 12 mandel zooms to my site:

    http://ourworld.compuserve.com/homepages/Sylvie_Gallet/homepage.htm

  Enjoy!

        - Sylvie

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-------------------------------------------------------------------------------

From: Sylvie Gallet <[e-mail]>
Subject: (fractint) New Gallery
Date: 14 Jun 1999 15:57:07 -0400

Hi All,

  It's me, again!  I just added three new embossed mandels to my Gallery
#10:

   <http://ourworld.compuserve.com/homepages/Sylvie_Gallet/homepage.htm>

  Cheers,

        - Sylvie


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-------------------------------------------------------------------------------

From: "Pascal DUCLAUD-LACOSTE" <[e-mail]>
Subject: (fractint) Sylvie Gallet !!!!
Date: 14 Jun 1999 23:12:05 +0200

This is a multi-part message in MIME format.

------=_NextPart_000_002A_01BEB6BB.519DFAC0
Content-Type: text/plain;
    charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Sylvie !!!=20

Mais comment faites - vous cela , !=20

Les images sont irr=E9elles et fascinantes .   Les fractales ont =
d=E9j=E0 un peu le gout du soufre mais quelle sorci=E8re prodigieuse =
=EAtes vous !!!


Unreal and fascinating !!!=20

Pascal




------=_NextPart_000_002A_01BEB6BB.519DFAC0
Content-Type: text/html;
    charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
<HTML>
<HEAD>

<META content=3Dtext/html;charset=3Diso-8859-1 =
http-equiv=3DContent-Type>
<META content=3D'"MSHTML 4.72.3110.7"' name=3DGENERATOR>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT color=3D#000000 size=3D2>Sylvie !!! </FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2>Mais comment faites - vous cela , !=20
</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2>Les images sont irréelles et =
fascinantes=20
.   Les fractales ont déjà un peu le gout du =
soufre mais=20
quelle sorcière prodigieuse êtes vous !!!</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV> </DIV>
<DIV><FONT size=3D2>Unreal and fascinating !!! </FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>Pascal</FONT></DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 size=3D2></FONT> </DIV></BODY></HTML>

------=_NextPart_000_002A_01BEB6BB.519DFAC0--


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-------------------------------------------------------------------------------

From: "Jay Hill" <[e-mail]>
Subject: Re: (fractint) Largest minibrot
Date: 14 Jun 1999 22:27:47 -0700

> From: [e-mail]
> Date: Tuesday, June 01, 1999 4:01 PM

> Sure. And it has the lowest period, too.
>
> Speaking of midgets: Jay, how did you get the coordinates for your midget
> and Misiuriewicz par files? I tried to calculate the roots with Newton's
> method, but found them only up to period 4 without errors (in Fractint and
> an own program). But for your p23 midgets, the polynomial would be of
> 4194303th order!

I use Newton's method, but not in the usual manner. So far the only limitation
is the precision of the arithmetic I use - 80 bit floats available with Borland

compilers on Intel machines. With Newton's method I find all minibrots through
period 15 and all but one complex pair of period 16. When the roots get closer
than the resolution of the arithmetic, you are stuck.  So with period 23 I can
find
a great many minibrots but the a 'small majority' will still go unfound. :-)

The easiest to find are those around the very outside edge of the filament
forest.
The hardest seem to be just to the negative side of the ... wait a second, if I

knew where the hardest ones are, I'd root them out and they would not be hard.


The Newton's method applied to period 8  produces a very nice fractal image.
I am debating entering it in the contest, under the heading of Specially Coded
Fractals. Since I'm not a Windows progammer, I am stuck with 16 colors low
resolution VGA graphics (640x480) from DOS. Oh, never mind, they are not
having a Specially Coded Fractals catagory after all.

:-(

Jay


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-------------------------------------------------------------------------------

From: slack <[e-mail]>
Subject: (fractint) Testing
Date: 15 Jun 1999 11:07:53 -0600

This is a test.

--
Jason Hansen                                          [e-mail]

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-------------------------------------------------------------------------------

From: "Tim Wegner" <[e-mail]>
Subject: (fractint) List glitch
Date: 17 Jun 1999 15:34:02 -0600

There was a problem with the fractint list the last few days, but it
has now been fixed

Tim Wegner

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From: Dimosthenis Baikos <[e-mail]>
Subject: (fractint) Date: Sat, 19 Jun 1999 22:16:34 EEST
Date: 19 Jun 1999 13:17:19 -0600

Hi all,

My name is Dimosthenis Baikos. I am fractal and fractint newcomer. Could
anyone tell me how to send my first fractal to your lists
([e-mail], [e-mail]):

I think I mail the .par and .frm (if any) files. Am I right?


Thank you very much for your help


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From: Dimosthenis Baikos <[e-mail]>
Subject: (fractint) Date: Sat, 19 Jun 1999 22:16:34 EEST
Date: 19 Jun 1999 13:17:10 -0600

Hi all,

My name is Dimosthenis Baikos. I am fractal and fractint newcomer. Could
anyone tell me how to send my first fractal to your lists
([e-mail], [e-mail]):

I think I mail the .par and .frm (if any) files. Am I right?


Thank you very much for your help


______________________________________________________
Get Your Private, Free Email at http://www.hotmail.com

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From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) Date: Sat, 19 Jun 1999 22:16:34 EEST
Date: 19 Jun 1999 19:23:53 -0600


In article <[e-mail]>,
    Dimosthenis Baikos <[e-mail]>  writes:

> [...] Could
> anyone tell me how to send my first fractal to your lists
> ([e-mail], [e-mail]):
>
> I think I mail the .par and .frm (if any) files. Am I right?

Yes, a couple of refinements on that idea: the list prefers the
.par/.frm be included as simple text, and not as an attachment.  You
should comment the .par/.frm with your name, email and copyright date
if you wrote it, or the author's name/email if it was written by
someone else.  You can make the .par with fractint if you don't
already have it as a separate saved .par.  You can also include a URL
to the image that the corresponds to the .par/.frm if you like.  Its
asked that you not post the image itself, but instead the definition,
but this much you already have figured out ;-).
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: "Morgan L. Owens" <[e-mail]>
Subject: Re: (fractint) Date: Sat, 19 Jun 1999 22:16:34 EEST
Date: 20 Jun 1999 17:00:48 +1200

>
>In article <[e-mail]>,
>    Dimosthenis Baikos <[e-mail]>  writes:
>
>> [...] Could
>> anyone tell me how to send my first fractal to your lists
>> ([e-mail], [e-mail]):
>>
>> I think I mail the .par and .frm (if any) files. Am I right?
>
>Yes, a couple of refinements on that idea: the list prefers the
>.par/.frm be included as simple text, and not as an attachment.  You
>should comment the .par/.frm with your name, email and copyright date
>if you wrote it, or the author's name/email if it was written by
>someone else.  You can make the .par with fractint if you don't
>already have it as a separate saved .par.  You can also include a URL
>to the image that the corresponds to the .par/.frm if you like.  Its
>asked that you not post the image itself, but instead the definition,
>but this much you already have figured out ;-).

An example of this process would be the following. Note that the "frm:"
that precedes the "HenonJul" formula name is there so that all three items
(Saturn, Uranus, and the formula HenonJul) can be cut-and-pasted into the
one .par file. If you wish to place the formula in a separate .frm file,
the "frm:" should be dropped.

Morgan L. Owens



Saturn             { ; Photo taken by the Cassini probe in 2006
                     ; Copyright (c) 1999 Morgan L. Owens
  reset=1960 type=formula formulafile=more.frm formulaname=HenonJul
  center-mag=0/-0.0500391/0.6666667/1/90 params=2/0.01/8/0 float=y
  maxiter=1023 inside=255 periodicity=0
  colors=000975<26>xn_<31>222000000<56>000111333<33>zzz<31>222000000<61>00\
  0111332543764
  }
Uranus             { ; Photo taken by some probe some time in the future.
                     ; Copyright (c) 1999 Morgan L. Owens
  reset=1960 type=formula formulafile=more.frm formulaname=HenonJul
  center-mag=0/0.125/0.75/1/-70 params=5/1e-005/8/0 float=y
  maxiter=1023 inside=255 potential=255/1000/0 periodicity=0 passes=b
  colors=000<18>448559558<8>667777888<26>EEEFFFFFFFFGFFH<12>IIUIIVIIU<5>KK\
  QKKPKKPKKP<27>SSTSSTSSTSSTSSTSSU<68>hhuiiviiu<16>kjpkjpjio<43>CFI000
  }

frm:HenonJul{;Based on Fractint's "Henon" type.
bailout=real(p2)
a=real(p1)
b=imag(p1)
z=pixel:
x=real(z)
z=1+imag(z)-a*sqr(x)+flip(b*x)
|z|<=bailout}



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-------------------------------------------------------------------------------

From: "Mike and Linda Allison" <[e-mail]>
Subject: (fractint) Just testing
Date: 23 Jun 1999 22:10:51 -0700

Just testing!  Linda

http://www.fractalus.com/gumbycat/gallery1.html (New 05-27-99)
http://www.geocities.com/Paris/5519/gallery1.html (last update 02-27-99)
http://www.toptown.com/innercircle/gumbycat/index.html (last update
04-30-99)

Recent Usenet postings:
http://www.fractalus.com/gumbycat/abpf.html (last update 05-02-99)

Copyright, all rights reserved:
http://www.fractalus.com/gumbycat/copyright.html



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From: kathy roth <[e-mail]>
Subject: (fractint) new computer
Date: 25 Jun 1999 21:50:34 -0700

Hi, I am thinking of purchasing a new computer
and want to choose one that would be best for
running Ultrafractal and Fractint.  If you think
that this is not of general interest, please e-mail
me privately.
1) Is it still important to get a Pentium chip?
2) I followed the discussions about the video
    cards with some trepidation.  I understand that some of
    the people on the Ultrafractal list are unable to run
    Fractint.  I definitely want to continue to be able to run
    Fractint and some old DOS games.  What do you think
    the best video card is?   Should I buy a system with
    the video card I want or get the best system at the price and
    replace the video card?  I can download a new driver if needed
    but am a novice at this and have limited interest in fooling
    around with compatibility problems.
3) What do you think the best way is to back up data.
    I have a Syquest Sparq and find it really irritating to
   use, was thinking of getting a built-in Zip Drive.

Any other suggestions are welcome. TIA- Kathy


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From: "Damien M. Jones" <[e-mail]>
Subject: Re: (fractint) new computer
Date: 26 Jun 1999 11:05:34 -0500

Kathy,

 - 1) Is it still important to get a Pentium chip?

Yes. Right now one of the best deals going is a Celeron processor, they are
cheap and very fast for fractals. AMD K6 still does not have the
floating-point performance which is crucial for fractal generation. The K7
may change that--maybe--but right now Pentium-II, -III, and Celerons are
good bets.

This is more important for UF than for FractInt at the moment, because UF
is more optimized for newer processors, but that will likely change with
the next release of FractInt.

 - I understand that some of the people on the Ultrafractal list are
 - unable to run Fractint.

Mainly because FractInt relies on the presence of VESA modes in newer cards
to access the higher resolutions. The very newest class of video cards tend
not to support VESA modes any more, because they're only important for DOS
apps, which are falling by the wayside. However, your games will likely
still run because they typically use a 640x480 mode, which is far more
widely supported than the higher-resolution modes.

 - 3) What do you think the best way is to back up data.
 -     I have a Syquest Sparq and find it really irritating to
 -    use, was thinking of getting a built-in Zip Drive.

Well, CDs aren't the most convenient thing to use for backing up data, but
the discs are fairly durable, they're fairly roomy, and they're dirt-cheap.
Even CD-RW discs are fairly cheap.

I have a ZIP drive (on several systems, in fact) and to be honest, it
doesn't take very many big fractals to fill them up. Especially the kind of
detailed fractals I like, which don't compress very well.

Damien M. Jones   \\
[e-mail]  \\  Fractalus Galleries & Info:
                    \\  http://www.fractalus.com/

Please do not post my e-mail address on a web site or
in a newsgroup.  Thank you.

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From: David Kosokar <[e-mail]>
Subject: (fractint) 3d Mandelbrot?
Date: 26 Jun 1999 12:21:21 -0500

Hello all!

Do any of you know where I could get a program (preferably a ray tracer)
that will make 3d pictures of the Mandelbrot set (both hypercomplex and
quaternion)?

What I mean is, suppose you took the original Mandel set, and cut out
just the black part. Now you rotate it along the Real axis, and create a
3d shape from this (this is called latheing in the raytracers I've
seen). This is the actual shape of the Quat fractal in three dimensions,
you can see this as you vary the parameters of the quat fractal.

If you have written anything like this, or know where I can find it,
please let me know!! TIA!

Dave

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From: "Terry" <[e-mail]>
Subject: (fractint) House with Bomb Shelter and other ideas
Date: 26 Jun 1999 12:21:37 -0700

Here is the web page for the bomb shelter house:

http://www.wooly.com/w1/160

Aloha.
                 Terry James Erickson , [e-mail]
                 http://www.pacifier.com/~krietor  ICQ  # 20903556
                 Earth Embassy Foundation
                 http://www.pacifier.com/~peri


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From: "Angela Wilczynski" <[e-mail]>
Subject: Re: (fractint) new computer
Date: 26 Jun 1999 14:34:00 -0700

Kathy...

Many of the questions you asked went through my mind when I got my new puter last
year.

1.  Based on the feedback from this group, I got a Matrox Millenium card and am
delighted with it. It not only runs fractint beautifully, but drives my 19" monitor
to perfection.
2.  As far as getting the best system/price, I'd suggest chatting with the folks at
Micron.  My first puter was a Micron and their support is outstanding and their
prices are most competitive.  They may very well be able to accomodate the video card
swap for you at a nominal price.  My son put together my current system and I know I
paid a premium for not going Micron. www.micron.com
3.  While there are faster/bigger storage media than zip drives these days, I like
mine.  I have an internal zip drive hooked to an scsi port on the motherboard.  Data
transfer is quite fast enough for me.  The advantage of a zip drive is that I can
take the zip disk to work where we have zip drives as a standard. If you buy a Micron
system a zip drive will be included.

take care

Angela aka wizzle

kathy roth wrote:
>
> Hi, I am thinking of purchasing a new computer
> and want to choose one that would be best for
> running Ultrafractal and Fractint.  If you think
> that this is not of general interest, please e-mail
> me privately.
> 1) Is it still important to get a Pentium chip?
> 2) I followed the discussions about the video
>     cards with some trepidation.  I understand that some of
>     the people on the Ultrafractal list are unable to run
>     Fractint.  I definitely want to continue to be able to run
>     Fractint and some old DOS games.  What do you think
>     the best video card is?   Should I buy a system with
>     the video card I want or get the best system at the price and
>     replace the video card?  I can download a new driver if needed
>     but am a novice at this and have limited interest in fooling
>     around with compatibility problems.
> 3) What do you think the best way is to back up data.
>     I have a Syquest Sparq and find it really irritating to
>    use, was thinking of getting a built-in Zip Drive.
>
> Any other suggestions are welcome. TIA- Kathy
>
> --------------------------------------------------------------
> Thanks for using Fractint, The Fractals and Fractint Discussion List
> Post Message:   [e-mail]
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From: "Terry" <[e-mail]>
Subject: (fractint) Fractint on AMD
Date: 26 Jun 1999 16:06:44 -0700

My machine is an AMD 5x86.
Fractint seems to perform ok as far as I can tell. It's lots of fun.
What will a Pentium chip do better?
I have read statements from people on this list to the effect that the
floating point capability of the Intel chips is a great advantage in running
Fractint.
I wonder what I am missing out on. Since I have been leaning towards the AMD
K-6 for my new computer, and I really like using Fractint, what's the
advantage that the Pentium and Celeron chips have?

Also,  I am experiencing a little difficulty with Fractint. Let me try to
describe.
I run Fractint and start the color-cycling.
I hit pause, or save, and it works, but when I end up at the main menu, and
select "return to fractal," or whatever,  the program seems to freeze up. I
have to start over. I'm not a very experienced user (of Fractint or Windows
95) but I am a very quick learner.
I'm not sure I gave enough information for someone to solve my problem on
this second question,  but I'm sure someone will have an answer for the
first.
thank you very much.
                 Terry James Erickson , [e-mail]
                 http://www.pacifier.com/~krietor
                 Earth Embassy Foundation
                 http://www.pacifier.com/~peri
PS   I believe I accidentally emailed a URL for a web page about a house
with a bomb shelter for sale. Since it has not much to do with fractal art,
I apologize for the mistake.


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-------------------------------------------------------------------------------

From: "Damien M. Jones" <[e-mail]>
Subject: Re: (fractint) Fractint on AMD
Date: 26 Jun 1999 18:40:08 -0500

Terry,

 - My machine is an AMD 5x86.
 - Fractint seems to perform ok as far as I can tell. It's lots of fun.
 - What will a Pentium chip do better?

The Pentium (and -II, and -III) FPU typically performs basic arithmetic
operations in one cycle, instead of two to four. Furthermore, the processor
can move floating-point values between registers in parallel with those
arithmetic operations. This makes for enormously improved throughput.
Benchmarks I've run show that the Pentium is 2-3 times faster at sustained
floating-point operations than an AMD K6, at the same clock speed. This is
the case even when both processors run code optimized specifically for them.

 - I wonder what I am missing out on.

Only speed. And for most things, the AMD processors are just fine. Fractals
happen to be a unique burden for a processor, though, and Intel x86
processors have a better FPU.

Damien M. Jones   \\
[e-mail]  \\  Fractalus Galleries & Info:
                    \\  http://www.fractalus.com/

Please do not post my e-mail address on a web site or
in a newsgroup.  Thank you.

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-------------------------------------------------------------------------------

From: davides <[e-mail]>
Subject: (fractint) 3 julia pars
Date: 26 Jun 1999 21:18:22 -0400

Three julias from the default Mandelbrot.

New_Dimension300   { ;  (c) David Shanholtzer Jun 26, 1999 t=0:00:17.47
                     ;  P200 MMX 1024x768
                     ; Another julia
  reset=1960 type=julia passes=t
  center-mag=-2.77556e-016/2.22045e-016/0.8130081/1/0/42.197
  params=0.3699901320299772/0.3148632294132985 float=y maxiter=7500
  inside=maxiter
  colors=000<26>005K0K<34>lbumdwmdw<38>H3V000F1TE0SA20<10>yhW<22>A20111222\
  UUY<29>xxvzzwyyv000<20>111MC7<6>yhW<14>A20000<31>0bi orbitdelay=2
  }


New_Dimension303   { ;  (c) David Shanholtzer Jun 26, 1999 t=  0:05:36.14
                     ;  P200 MMX 1024x768
                     ; A dusty rose julia spiral
  reset=1960 type=julia passes=t
  center-mag=0.163363/0.484302/5.978001/1/0/42.197
  params=0.3699901320299772/0.3148632294132985 float=y maxiter=7500
  inside=maxiter decomp=200
  colors=000YC`<5>lLq<30>G1IE0GF0G<29>jAglBhlBh<31>H1J71DF1HE0G<2>G0IH1JJ1\
  K<23>mAmK00<39>w65w65v65<68>E0G<6>VAZ orbitdelay=2
  }

New_Dimension304   { ;  (c) David Shanholtzer Jun 26, 1999 t=  0:06:47.11
                     ;  P200 MMX 1024x768
  reset=1960 type=julia passes=t
  center-mag=0.210974/0.415816/6.441811/1/0/42.196
  params=0.3699901320299772/0.3148632294132985 float=y maxiter=7500
  inside=maxiter decomp=200
  colors=000YC`<5>lLq<30>G1IE0GF0G<29>jAglBhlBh<31>H1J71DF1HE0G<2>G0IH1JJ1\
  K<23>mAmK00<39>w65w65v65<68>E0G<6>VAZ
  }


[e-mail]
[e-mail]
Back up my hard drive?
How do I put it in reverse?

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-------------------------------------------------------------------------------

From: "Morgan L. Owens" <[e-mail]>
Subject: Re: (fractint) 3d Mandelbrot?
Date: 27 Jun 1999 14:40:35 +1200

At 12:21 26/06/99 -0500, you wrote:
>Hello all!
>
>Do any of you know where I could get a program (preferably a ray tracer)
>that will make 3d pictures of the Mandelbrot set (both hypercomplex and
>quaternion)?
>
Easy, POV-Ray!

http://www.povray.org/


> This is the actual shape of the Quat fractal in three dimensions,
>
Actually, the Quat fractal is four-dimensional - the three-dimensional
appearances are only a tiny slice of the whole thing.

But then, in POV-Ray you can write animations and vary the parameters over
time.

Morgan L. Owens



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-------------------------------------------------------------------------------

From: Ken Childress <[e-mail]>
Subject: Re: (fractint) Fractint on AMD
Date: 26 Jun 1999 20:38:01 -0700


Terry,

>My machine is an AMD 5x86.
>Fractint seems to perform ok as far as I can tell. It's lots of fun.
>What will a Pentium chip do better?
>I have read statements from people on this list to the effect that the
>floating point capability of the Intel chips is a great advantage in running
>Fractint.
>I wonder what I am missing out on. Since I have been leaning towards the AMD
>K-6 for my new computer, and I really like using Fractint, what's the
>advantage that the Pentium and Celeron chips have?

I had an AMD K6 166 MHz.  I swapped it for a Pentium MMX 233 MHz.  I
got about a 2.5 increase in performace by the swap.  From my experience
and what I've read, avoid non-Intel chips if you are concerned about
floating point performance.  The latest AMD chip may be an exception,
but I'm not up on that one.

The Celeron is a good bargin.  With today's prices, a Celeron or a
Pentium II should be had for a pretty good bargin.



Ken...



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-------------------------------------------------------------------------------

From: David Kosokar <[e-mail]>
Subject: Re: (fractint) 3d Mandelbrot?
Date: 27 Jun 1999 00:36:38 -0500

Sorry about the misconception of the quat fractal, I was aware of it's
4d nature, but the "solid Mandelbrot" is what I'm interested in.

I've used Pov-ray for years, and while I love it, the only fractals it
does are juila sets, not the Mandelbrot set formulas. Is there some way
to modify it (without learning c++) to do what I'm talking about?

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-------------------------------------------------------------------------------

From: "cm.davies" <[e-mail]>
Subject: (fractint) Fractint and capturing colour cycling
Date: 27 Jun 1999 20:14:08 +0100

This is a multi-part message in MIME format.

------=_NextPart_000_0001_01BEC0D9.9D16B5A0
Content-Type: text/plain;
    charset="iso-8859-1"
Content-Transfer-Encoding: 7bit

Hi,  I wish to capture or output some of the colour cycling features of
Fractinit so I can use the animations or avi's in some larger graphic
arrangements that involve other clips from other programs.  Any ideas anyone

Chris Davies
07971 911265



------=_NextPart_000_0001_01BEC0D9.9D16B5A0
Content-Type: text/html;
    charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
<HTML>
<HEAD>

<META content=3D"text/html; charset=3Diso-8859-1" =
http-equiv=3DContent-Type>
<META content=3D'"MSHTML 4.72.3110.7"' name=3DGENERATOR>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><SPAN class=3D160201017-26061999><FONT color=3D#000000 =
face=3DTahoma=20
size=3D3>Hi,  I wish to capture or output some of the colour =
cycling features=20
of Fractinit so I can use the animations or avi's in some larger graphic =

arrangements that involve other clips from other programs.  Any =
ideas=20
anyone</FONT></SPAN></DIV>
<DIV> </DIV>
<DIV><FONT color=3D#000000 face=3D""><FONT size=3D3><FONT=20
face=3D"Photina Casual Black">Chris Davies</FONT></FONT></FONT><FONT=20
face=3D"Photina Casual Black"><FONT size=3D3></FONT></FONT></DIV>
<DIV><FONT color=3D#000000 face=3DArial size=3D2><FONT face=3D"Photina =
Casual Black"=20
size=3D3>07971 911265</FONT></FONT></DIV>
<DIV align=3Dcenter> </DIV>
<DIV> </DIV></BODY></HTML>

------=_NextPart_000_0001_01BEC0D9.9D16B5A0--


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From: "Mike and Linda Allison" <[e-mail]>
Subject: (fractint) Off Topic: New EMail Address
Date: 27 Jun 1999 18:25:18 -0700

Gumbycat is leaving Netcom.  Our new email address is:

[e-mail]

Thanks, all!
Mike and Linda A


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From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) Fractint and capturing colour cycling
Date: 28 Jun 1999 00:57:02 -0600


[Just a short note first: in the future, please just send your message
as plain text; no need to duplicate it with a second version in HTML
which lots of people on this list won't be able to receive anyway
because they don't use MIME capable mailers.]

In article <000001bec0d1$3b524da0$[e-mail]>,
    "cm.davies" <[e-mail]>  writes:

> Hi,  I wish to capture or output some of the colour cycling features of
> Fractinit so I can use the animations or avi's in some larger graphic
> arrangements that involve other clips from other programs.  Any ideas anyone

I think you can do this sort of animation (color cycling) with some of
the titling/video editing packages, but I'm not familiar with them.
You might check out web pages for video editing packages like adobe
premiere.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) 3d Mandelbrot?
Date: 28 Jun 1999 00:59:34 -0600


In article <[e-mail]>,
    David Kosokar <[e-mail]>  writes:

> What I mean is, suppose you took the original Mandel set, and cut out
> just the black part. Now you rotate it along the Real axis, and create a
> 3d shape from this (this is called latheing in the raytracers I've
> seen).

Let me see if I understand what you're asking... you want to make what
is essentially a surface of revolution with the profile determined by
the M-set?  Since M is symmetric around the real line, this is
reasonable.  You could try rendering M as a bitmap and then generating
a point list from the outline of the image, using the point list to
define a polyline profile which is in turn used to define a surface of
revolution.  I'm not up on what raytracers support polyline
descriptions of such surfaces, so I can't recommend a particular
package.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) new computer
Date: 28 Jun 1999 01:03:19 -0600


In article <[e-mail]>,
    kathy roth <[e-mail]>  writes:

> 3) What do you think the best way is to back up data.
>     I have a Syquest Sparq and find it really irritating to
>    use, was thinking of getting a built-in Zip Drive.

Backup is a hard question to answer.  Since most people don't buy
decent backup peripherals, they haven't yet achieved the same economy
of scale that disk drives have.  A zip drive isn't bad for backup up
text files and things like that, but as Damien pointed out a few fat
fractals will fill it up.  Are you planning on backing up your entire
hard drive?  HD space is incredibly cheap right now, so you can end up
with a huge backup task if you plan on doing full backups and
incremental backups on a schedule.  (If you consider everything on the
HD volatile and only backup select files, then a ZIP is fine.)  For
the larger (> 2-3 GB) drives, a ZIP requires too many disks to backup
the entire thing, even with compression.  A JAZ drive is getting
closer, but tape seems to be the only thing that can do it
conveniently.  Do you want to babysit the machine during a full
backup waiting around to feed it new media?  A tape drive will let you
put the media in the drive and start the backup and leave it alone
until it completes.  An interesting alternative that's becoming viable
with faster net connections is contracting for online archival of data
for a monthly fee.  PC magazine had an article about these within the
last year or so, I believe.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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From: "Dave Hershey (Volt Computer)" <[e-mail]>
Subject: RE: (fractint) new computer
Date: 28 Jun 1999 10:55:17 -0700

Networking is the approach I use here at work.  If I was getting a new
machine and I wanted a good quantity of data from the old machine on the new
one, I'd probably network the two machines together on a peer-to-peer and
simply copy down the files from a share on the old machine.

--Dave.


-----Original Message-----
Sent: Monday, June 28, 1999 12:03 AM



In article <[e-mail]>,
    kathy roth <[e-mail]>  writes:

> 3) What do you think the best way is to back up data.
>     I have a Syquest Sparq and find it really irritating to
>    use, was thinking of getting a built-in Zip Drive.

Backup is a hard question to answer.  Since most people don't buy
decent backup peripherals, they haven't yet achieved the same economy
of scale that disk drives have.  A zip drive isn't bad for backup up
text files and things like that, but as Damien pointed out a few fat
fractals will fill it up.  Are you planning on backing up your entire
hard drive?  HD space is incredibly cheap right now, so you can end up
with a huge backup task if you plan on doing full backups and
incremental backups on a schedule.  (If you consider everything on the
HD volatile and only backup select files, then a ZIP is fine.)  For
the larger (> 2-3 GB) drives, a ZIP requires too many disks to backup
the entire thing, even with compression.  A JAZ drive is getting
closer, but tape seems to be the only thing that can do it
conveniently.  Do you want to babysit the machine during a full
backup waiting around to feed it new media?  A tape drive will let you
put the media in the drive and start the backup and leave it alone
until it completes.  An interesting alternative that's becoming viable
with faster net connections is contracting for online archival of data
for a monthly fee.  PC magazine had an article about these within the
last year or so, I believe.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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From: David Kosokar <[e-mail]>
Subject: Re: (fractint) 3d Mandelbrot?
Date: 28 Jun 1999 17:39:31 -0500

Well, the example given was just to convey the shape that I am
interested in. I don't really want to create the shape from the outline
of a processed image. I'd like to use a function like the julia fractal
in Pov-ray, which does the analogous thing with julia sets. I would like
to give it a parameter (or 2 or 3) and have it give me the shape,
rendered and shaded. Anyone out there know of anything like that?

I apologize if this is off topic. I just thought you folks would have
more exposure to things of this nature.

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From: Dimosthenis Baikos <[e-mail]>
Subject: (fractint) Multifractals ?
Date: 29 Jun 1999 01:56:31 EEST

Hi all,

Have anyone heard the term "multifractal"? (I have no idea what this might
be).

If anyone is interested on conferences on nonlinear dynamical systems and
chaos (fractals are considered as well), here is an URL:

http://www.chaos-schools.gr/

Unfortunately this is out of date. However this school/conference is
organized once per year, so you coud register next year (if you wish)! (
:-)) )

Dimosthenis Baikos


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From: Dimosthenis Baikos <[e-mail]>
Subject: (fractint) Multifractals ?
Date: 29 Jun 1999 01:56:31 EEST

Hi all,

Have anyone heard the term "multifractal"? (I have no idea what this might
be).

If anyone is interested on conferences on nonlinear dynamical systems and
chaos (fractals are considered as well), here is an URL:

http://www.chaos-schools.gr/

Unfortunately this is out of date. However this school/conference is
organized once per year, so you coud register next year (if you wish)! (
:-)) )

Dimosthenis Baikos


______________________________________________________
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From: "Phil DiGiorgi" <[e-mail]>
Subject: Re: (fractint) new computer
Date: 28 Jun 1999 19:16:38 -0400

Hi Kathy,

I just did a processor and motherboard upgrade, going from a K6-233 to a
PIII-450.   The difference is amazing.   Generation times in Fractint are
about 2.5 times faster, while Ultrafractal has speeded up by more than _4
times(!)_ in many cases.   I think going from 64m to 256m of PC100 ram had
alot to do with that, also.

For video, I think you are safe with either a Matrox Millenium card or any of
the cards based on the Riva TNT chip.   These are very popular and have Vesa
support built in.   I use a Viper 550, and it works great for me.

For backups, I use a second hard drive and a "drive image" program.   There
are some disadvantages to this, but it is fast, fast, fast, and the program I
am using (from Powerquest) allows you to restore individual files as well as
whole partitions.   It also supports spanning Zip or Jaz disks.

Good luck,
Phil D.


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From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) 3d Mandelbrot?
Date: 28 Jun 1999 17:23:02 -0600


In article <[e-mail]>,
    David Kosokar <[e-mail]>  writes:

> [...] I would like
> to give it a parameter (or 2 or 3) and have it give me the shape,
> rendered and shaded. Anyone out there know of anything like that?

Yep, I know what you mean.  Having the primitive built into the ray
tracer would be best.  However, if that isn't available you have the
choice of programming something that does it, or using the hack I
described ;-).
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) new computer
Date: 28 Jun 1999 17:28:54 -0600


In article <009801bec1bc$4868e940$50a943ce@phild>,
    "Phil DiGiorgi" <[e-mail]>  writes:

> For backups, I use a second hard drive and a "drive image" program.   There
> are some disadvantages to this, but it is fast, fast, fast, and the program I
> am using (from Powerquest) allows you to restore individual files as well as
> whole partitions.   It also supports spanning Zip or Jaz disks.

Yeah, that's a good idea.  If you already have a SCSI interface on
your PC, it might be easier to have the 'backup' drive be a SCSI drive
that you can attach by a cable so you don't have to open the case.
PC magazine has reviewd drive image programs
<http://www.zdnet.com/products/stories/reviews/0,4161,397228,00.html>
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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From: "Damien M. Jones" <[e-mail]>
Subject: Re: (fractint) new computer
Date: 28 Jun 1999 18:43:20 -0500

Phil, Kathy,

 - For video, I think you are safe with either a Matrox Millenium card or
 - any of the cards based on the Riva TNT chip.

LOL, I didn't even think of that. I have a Riva TNT card right now, 16M
AGP, and the card I had before that was an 8M Matrox Millennium. The
Millennium was a great card, did 1152x864x16 at a really nice refresh rate,
and had a razor-sharp image.

Then I got my Riva TNT board, I was really worried about image quality, but
this has a great, sharp image and does 1152x864x32 faster than the
Millennium would do the 16-bit depth. And, of course, it has
mind-bogglingly cool 3D performance.

Both cards worked fine with FractInt.

Damien M. Jones   \\
[e-mail]  \\  Fractalus Galleries & Info:
                    \\  http://www.fractalus.com/

Please do not post my e-mail address on a web site or
in a newsgroup.  Thank you.

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From: "Morgan L. Owens" <[e-mail]>
Subject: Re: (fractint) 3d Mandelbrot?
Date: 29 Jun 1999 13:57:54 +1200

At 17:23 28/06/99 -0600, you wrote:
>
>In article <[e-mail]>,
>    David Kosokar <[e-mail]>  writes:
>
>> [...] I would like
>> to give it a parameter (or 2 or 3) and have it give me the shape,
>> rendered and shaded. Anyone out there know of anything like that?
>
>Yep, I know what you mean.  Having the primitive built into the ray
>tracer would be best.  However, if that isn't available you have the
>choice of programming something that does it, or using the hack I
>described ;-).
>
If you don't mind a blocky low-res version, you could perhaps fool POV-Ray
into doing it (at least, if you have version 3, preferably 3.1), by using
the _definition_ of the Mandelbrot set: generate a three-dimensional array
of quaternion Julia sets, intersect each one with a small cube centred at
the origin, and then stack up the cubical pieces.

This recognises the fact that the origin is inside the Julia set iff the
set is connected; and the Mandelbrot set represents the set of all
connected Julia sets.

I don't know how slow this technique will be - unable to find the time yet
to write the POV-Ray code - but I guess it probably wouldn't be as slow as
it sounds; not much slower than an appropriate primitive, in fact, once
parsing is out of the way.

Then again, for C programmers the job of implementing an M-Set primitive
shouldn't be insurmountable - the code is virtually all there already.

Morgan



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-------------------------------------------------------------------------------

From: "Morgan L. Owens" <[e-mail]>
Subject: Re: (fractint) Multifractals ?
Date: 29 Jun 1999 14:23:48 +1200

At 01:56 29/06/99 EEST, you wrote:
>Hi all,
>
>Have anyone heard the term "multifractal"? (I have no idea what this might
>be).
>
A "multifractal" is a structure that, on inspection, turns out to be a
number of fractals of different dimensions all occupying the same space.
They often turn up in modelling real-world situations, when different
influences on the system being modelled each have their own chaotic behaviour.






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-------------------------------------------------------------------------------

From: JoWeber <[e-mail]>
Subject: (fractint) some new pars
Date: 29 Jun 1999 04:56:01 -0400

Hi All,

some nice images. Enjoy --Jo--

http://www.joweber.de


jo06_10            { ; t=3D  0:16:21.85 =

                     ; on a P233MMX at 1600x1200  Jun 28, 1999  15:41:45
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandelbrotmix4 function=3Dident passes=3Dt
  center-mag=3D-0.00111153314375495/-0.00160009875538247/1.192666e+009/1/=
-22\
  .498 params=3D-500/-500/-1.1/-1/0/0 float=3Dy maxiter=3D7200 bailout=3D=
25
  inside=3D0 logmap=3D129 symmetry=3Dnone periodicity=3D10
  colors=3D000I84G73D52<5>M82O92QA2SB1UC1<2>ZE1<11>wqJzuLztL<18>mSClRCjQB=
<21\
  >H21F00G01<3>K08L09K19<3>F6AD8BC9BAAC9BC<2>5FD3HE4IF<7>FSPHTRIUSJWTKXVM=
Y\
  W<2>Qa_SbaUdbWedYge<11>uxxwzzwzz<10>nurmtrmsqlsqlsp<13>`kh_jgZjfYieYhe<=
4\
  >TeaTd`Sc_RbZQbZPaY<5>JXTIWSJXS<12>bkbdlcfmdhoeipf<10>xylzzmzzl<6>zxazw=
`\
  zwZzvYzvW<2>zuSztQzsQ<3>wmMvkLuiKugJtfI<4>pZGoXGoWGnUGmTGlRF<11>LA5
  }

jo06_11            { ; t=3D  3:53:44.73 =

                     ; on a P233MMX at 1600x1200  Jun 28, 1999  15:41:56
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandelbrotmix4 function=3Drecip passes=3Dt
  center-mag=3D-0.13170690815019950/+0.32310468642354880/4.920796e+007/1/=
-17\
  5 params=3D1/-1/-1/1/0.03/10000 float=3Dy maxiter=3D21000 bailout=3D25
  inside=3D0 logmap=3D530 symmetry=3Dyaxis periodicity=3D10
  colors=3D000C5M83F42763A00G022055<2>2DD2FG3HI4JL5MN<2>8TW<2>KWcOXeSYgWZ=
i__\
  lc`ngWQlQ0iN0gJ0<2>p80<4>M20<6>kbs<7>000220<6>1KR1NV1QZ1Tb1Wf1Zj0`n0cr<=
5\
  >3PZ4NW5KS6IP6FL7DI8AE<2>23300000500A<5>08E<7>NW5Q_3Tb2We0Tb1<7>9E96AB4=
7\
  A149000<3>II0MM0RR0WW0<3>hhMlkSooYsrcvvhzynwtosop<8>NhlJgkFgkBfj8ej4di0=
c\
  h0ae0Zb<3>22R<5>569335000000400<2>A00C00C00D00000F00<9>O00<4>zg0<2>rY0o=
U\
  0kU2<6>JUF<4>gl6lo5qs3uv2zz0<10>`00<2>jNKmVQpbWtjawqhzyn<8>yUF<7>x4R<10=
>\
  G7U
  }

jo06_12            { ; t=3D  1:57:14.53 =

                     ; on a P233MMX at 1600x1200  Jun 28, 1999  15:42:07
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandelbrotmin passes=3D1
  center-mag=3D-0.31779604786148090/+0.77644011515230850/2678.081/1/117.4=
99
  params=3D1.25/0/0/0/0/0 float=3Dy maxiter=3D150000 bailout=3D25 inside=3D=
0
  logmap=3D65 symmetry=3Dnone periodicity=3D10
  colors=3D000<4>0DD0GG0JJ0MM2OO4PR6RT8TW<2>KWcOXeSYgWZi__lc`ngWQlQ0iN0gJ=
0<2\
  >p80<2>W20P00K00<3>000023057<4>OKS<3>000220457<5>HKSJNWMQ_OTcQWg<2>Xcr<=
1\
  4>23300000500A<5>08E<7>NW5Q_3Tb2We0Tb1<7>9E96AB47A149000<3>II0MM0RR0WW0=
<\
  3>hhMlkSooYsrcvvhzynwtosop<8>NhlJgkFgkBfj8ej4di0ch0ae0Zb<3>22R<5>569335=
0\
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z\
  z0<10>`00<2>jNKmVQpbWtjawqhzyn<8>yUF<7>x4R<6>W6TS6TO7TK7TG7UC5M83F42763=
A\
  00G
  }

jo06_13            { ; t=3D  1:25:10.00 =

                     ; on a P233MMX at 1600x1200  Jun 28, 1999  15:42:17
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandelbrotmin passes=3D1
  center-mag=3D-0.31944275114657080/+0.77742893113940280/1260.274/1/142.4=
97
  params=3D1.25/0/0/0/0/0 float=3Dy maxiter=3D150000 bailout=3D25 inside=3D=
0
  logmap=3D65 symmetry=3Dnone periodicity=3D10
  colors=3D000<4>0DD0GG0JJ0MM2OO4PR6RT8TW<2>KWcOXeSYgWZi__lc`ngWQlQ0iN0gJ=
0<2\
  >p80<2>W20P00K00<3>000023057<4>OKS<3>000220457<5>HKSJNWMQ_OTcQWg<2>Xcr<=
1\
  4>23300000500A<5>08E<7>NW5Q_3Tb2We0Tb1<7>9E96AB47A149000<3>II0MM0RR0WW0=
<\
  3>hhMlkSooYsrcvvhzynwtosop<8>NhlJgkFgkBfj8ej4di0ch0ae0Zb<3>22R<5>569335=
0\
  00000400<2>A00C00C00D00000F00<9>O00<4>zg0<3>oU0<2>0CI0FM<8>gl6lp5qs3uw2=
z\
  z0<10>`00<2>jNKmVQpbWtjawqhzyn<8>yUF<7>x4R<6>W6TS6TO7TK7TG7UC5M83F42763=
A\
  00G
  }

jo06_14            { ; t=3D  4:39:42.11 =

                     ; on a P233MMX at 1600x1200  Jun 28, 1999  15:42:28
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dmandelbrotmin passes=3Dt
  center-mag=3D-0.31796938224885470/+0.77353569174380330/824.025/1/117.49=
7
  params=3D1.25/0/0/0/0/0 float=3Dy maxiter=3D150000 bailout=3D25 inside=3D=
0
  logmap=3D65 symmetry=3Dnone periodicity=3D10
  colors=3D000<4>0DD0GG0JJ0MM2OO4PR6RT8TW<2>KWcOXeSYgWZi__lc`ngWQlQ0iN0gJ=
0<2\
  >p80<2>W20P00K00<3>000023057<4>OKS<3>000220457<5>HKSJNWMQ_OTcQWg<2>Xcr<=
1\
  4>23300000500A<5>08E<7>NW5Q_3Tb2We0Tb1<7>9E96AB47A149000<3>II0MM0RR0WW0=
<\
  3>hhMlkSooYsrcvvhzynwtosop<8>NhlJgkFgkBfj8ej4di0ch0ae0Zb<3>22R<5>569335=
0\
  00000400<2>A00C00C00D00000F00<9>O00<4>zg0<3>oU0<2>0CI0FM<8>gl6lp5qs3uw2=
z\
  z0<10>`00<2>jNKmVQpbWtjawqhzyn<8>yUF<7>x4R<6>W6TS6TO7TK7TG7UC5M83F42763=
A\
  00G
  }

jo06_15            { ; t=3D  0:58:13.80 =

                     ; on a P233MMX at 1600x1200  Jun 28, 1999  15:42:39
                     ; Par and Image Copyright 1999 by Jo Weber
                     ; e-mail to [e-mail]
  reset=3D1960 type=3Dformula formulafile=3Dfractint.frm
  formulaname=3Dobliquemanplus passes=3Dt
  center-mag=3D+1.33093052529746200/-0.33953092795716030/203.8353/1/64.99=
9
  params=3D0/0/-0.5/0.527/0.018756/0.024873 float=3Dy maxiter=3D32500
  bailout=3D25 inside=3D0 logmap=3D76 logmode=3Dfly symmetry=3Dnone
  periodicity=3D10
  colors=3D000<4>0DD0GG0JJ0MM2OO4PR6RT8TW<2>KWcOXeSYgWZi__lc`ngWQlQ0iN0gJ=
0<2\
  >p80<2>W20P00K00<3>000023057<4>OKS<3>000220457<5>HKSJNWMQ_OTcQWg<2>Xcr<=
1\
  4>23300000500A<5>08E<7>NW5Q_3Tb2We0Tb1<7>9E96AB47A149000<3>II0MM0RR0WW0=
<\
  3>hhMlkSooYsrcvvhzynwtosop<8>NhlJgkFgkBfj8ej4di0ch0ae0Zb<3>22R<5>569335=
0\
  00000400<2>A00C00C00D00000F00<9>O00<4>zg0<3>oU0<2>0CI0FM<8>gl6lp5qs3uw2=
z\
  z0<10>`00<2>jNKmVQpbWtjawqhzyn<8>yUF<7>x4R<6>W6TS6TO7TK7TG7UC5M83F42763=
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  00G
  }

frm:ObliqueManPlus {;Jim Muth
z=3Dp1+pixel, c=3Dp2+(p3*pixel):
z=3Dsqr(z)+c,
|z| <=3D100
}

frm:MandelbrotMiN {; Jim Muth
b=3Dp1, z=3Dp2, c=3Dp3+pixel:
z=3D(-z)^(b)+c,
|z| <=3D 16
}

frm:MandelbrotMix4 {; Jim Muth
a=3Dreal(p1), b=3Dimag(p1), d=3Dreal(p2), f=3Dimag(p2),
g=3D1/f, h=3D1/d, j=3D1/(f-b), z=3D(-a*b*g*h)^j,
k=3Dreal(p3)+1, l=3Dimag(p3)+100, c=3Dfn1(pixel):
z=3Dk*((a*(z^b))+(d*(z^f)))+c,
|z| < l
}



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-------------------------------------------------------------------------------

From: [e-mail]
Subject: (fractint) Dynamic System
Date: 29 Jun 1999 12:29:04 +0200

Hello all the list, I just did the subscription to the list.
I'm a mathematic student from the Pau's University, France.
Please, may someone explain what is a dynamic system and give me an example ?
If anyone know a tutorial out in the Internet I will be glad to download it.
Please let me know.

Thanks a lot.

Octavio

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-------------------------------------------------------------------------------

From: Phil McRevis <[e-mail]>
Subject: Re: (fractint) Dynamic System
Date: 29 Jun 1999 10:38:45 -0600


In article <[e-mail]>,
    [e-mail]  writes:

> Please, may someone explain what is a dynamic system and give me an example?

"Dynamical system" is a very broad term.  They come from the study of
simple physical systems whose dynamics can be described with a few
simple equations, but whose long-term behavior is quite unexpectedly
complex given the simplicity of their analytic description.  You've
probably seen little "chaos toys" marketed that consist of a pendulum
with a magnet at the end swinging over top of a group of
electromagnets which cause the pendulum to wobble and sway in a very
complex pattern.  This is an example of a chaotic dynamical system.
The dynamics of magnetic force and gravity are quite readily
described, but the simplicity of their analytic description doesn't
make their chaotic behavior over time clear.

With fractint, you can view the lorenz attractor which is an example of
a dynamical system that was based on a model of fluid flow for
studying weather.
--
<http://www.xmission.com/~legalize/>    Legalize Adulthood!
    ``Ain't it funny that they all fire the pistol,
      at the wrong end of the race?''--PDBT
[e-mail]    <http://www.eden.com/~thewho>

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-------------------------------------------------------------------------------

From: [e-mail] (Dr I D Entwistle)
Subject: Re: (fractint) new computer
Date: 29 Jun 1999 20:32:56

On Mon 28 Jun 99 (19:16:38), [e-mail] wrote:

>
> For video, I think you are safe with either a Matrox Millenium card or
> any of the cards based on the Riva TNT chip.   These are very popular
> and have Vesa support built in.   I use a Viper 550, and it works great
> for me.
 Phil
    Do you or any other Fractint user have any experience with using the 3dfx
Voodoo 3000 card for running Fractint? Over here in the UK it is considered
just now to be the fastest video card around.
   Ian
--
See fractal Galleries at http://www.argonet.co.uk/users/ian.ent





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-------------------------------------------------------------------------------

From: "Mike and Linda Allison" <[e-mail]>
Subject: (fractint) Fractint Tutorials moved to Fractalus
Date: 29 Jun 1999 17:07:04 -0700

We've left the sinking ship - all Gumbycat's Fractint Tutorials are now
at:

http://www.fractalus.com/gumbycat/tutorials.html


Linda Allison



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-------------------------------------------------------------------------------

From: "Phil DiGiorgi" <[e-mail]>
Subject: Re: (fractint) new computer
Date: 30 Jun 1999 16:57:11 -0400

>  Phil
>     Do you or any other Fractint user have any experience with using the
3dfx
> Voodoo 3000 card for running Fractint? Over here in the UK it is considered
> just now to be the fastest video card around.
>    Ian
> --

Sorry, I don't have any idea about the 3Dfx cards.   I'd be interested in
knowing how you make out if you decide to try one, though.

Phil D.


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-------------------------------------------------------------------------------

From: lynda sweetman <[e-mail]>
Subject: (fractint) Pesky menu screen
Date: 30 Jun 1999 20:20:01 -0500

I had Fractint 19.2 on my other computer, and had no problems. It is now
in the shop, so I set up my son's, and downloaded Fractint 19.6. Every
time I save or load a file, the menu screen is minimized and
superimposed over the fractal file up in the left hand corner. How do I
get it off? I am running Windows 95 (it does the same in DOS). Any
suggestions would be appreciated.

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