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LIGHT-ROM 2 (Amiga Library Services)(1995).iso
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objs.txt
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1995-03-23
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The objects presented here are sample 3D L-system objects generated
via a PC program called LPARSER. It is included here to allow the user
to experiment and create their own original works of art.
This is a list of the object files which were originally created in
DXF format by the LPARSER program and re-formated to Lightwave 3D
object format by the DXF2LW program.
These samples were created from the original .LS files which are L-system
commands to the LPARSER program to create an object via the following
coammands in a batch file:
del output.*
del %1.dxf
lparser -s2000 -3 %1
rename output.dxf %1.dxf
dxf2lw %1.dxf
For further information on the operation of the DXF2LW program see the
README.txt file or for inforamtion on the operation of the LPARSER
program see the LPARSER.TXT file which accompanies the LPARSER program.
(LS files) Objects based on 'The Algorithmic Beauty of Plants' (ABOP) :
────────────────────────────────────────────────────────────────────────────
bop00.obj cordate leave ABOP pag 123
bop01.obj plant ABOP pag 27
bop02.obj bush ABOP pag 26
bop03.obj form in 2d ABOP pag 25
bop04.obj block form ABOP pag 20
bop05.obj fractal ABOP pag 9
bop06.obj dragon curves ABOP pag 9
bop07.obj compound leave ABOP pag 130
bop08.obj compound leave in 3d ABOP pag 129
bop09.obj maple like leave ABOP pag 129
bop10.obj nested polygon leaves ABOP pag 127
tree00.obj monopodial tree ABOP page 56
tree01.obj monopodial tree ABOP page 56
tree02.obj ternary tree ABOP page 60
Free form experiments and other fractals :
────────────────────────────────────────────────────────────────────────────
lsys00.obj lobster form
lsys01.obj " var 1
lsys02.obj " var 2
lsys03.obj " var 3
lsys04.obj " var 4
lsys05.obj spiral bush
lsys06.obj tree base
lsys07.obj half circle
lsys08.obj " var 1
lsys09.obj cello plant
lsys10.obj circle form
spiral00.obj overview of spiral types
spiral01.obj spiral form
spiral02.obj spiral tree
spiral03.obj large spiral plant var 1
spiral04.obj large spiral plant var 2
tree03.obj willow type tree
tree04.obj conifer type tree
tree05.obj 'best' tree
tree06.obj conifer type tree
tree07.obj tropism experiment
tree08.obj 'palm' tree based on bop07.objstructure
tree09.obj 'Trail off trees' showing the different growth stages
tree10.obj leavy ternary tree type
tree11.obj elaboration on tree08
street1.obj a series of trees
flower.obj cordate leave arangement
fern.obj fern plant
leaves.obj variation on bop00.ls
fract*.obj L-systems from FractInt
shell*.obj shell type forms based on spirals and bop10.ls
airhorse.obj part seahorse but with external lung
dinofly.obj what would this be without a dino ?
spider.obj octo-spider
Ls-files by Cees van der Mark
────────────────────────────────────────────────────────────────────────────
passie.obj a passion flower plant
leaf01.obj variation on bop00.ls
plant01.obj two plants winding around a stalk
hangpl.obj crystal with leaves
After loading an object into LW, you may want to make a few adjustments.
Double sided is turned on by default and you may want to turn that off.
If you do make sure all the polygons are aligned (or flipped) in the
proper direction. Also the colors (surfaces) may need to be changed,
especially for the plants, trees, etc. The default color scheme is
carried over by my conversion program from the DXF object. (For plants,
trees, leaves, it works best to change the yellow to brown and all
other colors which are in use to a shade of green (except for certain
"flower" objects which do need colors other than green). This might save
you the time of rendering to see what colors are attached to what
polygons.)
The LW manual (in the Appendix) for TIO conversion of DXF to LW format
lists those colors. (TIO will convert the LPARSER DXF object but you
might like the DXF2LW conversion program better to save some time. The
TIO defaults are a bit different than the defaults that the DXF2LW
program uses.)
The DXF2LW program changes the axis on which the object is aligned. It
flips the Y and Z point coordinates so the object will be oriented
along the Y axis instead of the Z axis.
Anyhow, the source is included and if you have a C compiler, perhaps you
can improve on the code or just change the defaults to what suits you.
Have fun! Earl Terwilliger December 1994