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Suzy B Software 2
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Suzy B Software CD-ROM 2 (1994).iso
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weaving
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1995-05-02
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10/25/93
I'm considering writing a program for weavers. Discussion is
taking place in Category 7, Topic 40 of the ST RT Bulletin Board.
The program would assist in the development and editing of
weaving "drafts", graphic representations of woven fabric.
Drafts provide complete instructions for a pattern in a glance,
and they also provide a glimpse of what the fabric will look
like (with some imagination).
I have a very basic floor loom. It contains four harnesses
through which the warp (vertical threads) passes. These
harnesses can be raised or lowered through the use of any of six
pedals (called "treadles"); the treadles can be tied to any or
all of the harnesses. When a harness is raised, all threads
attached to that harness are raised as well. The shuttle
carrying the weft (horizontal) threads is passed beneath the
raised threads and over any threads which remain lowered.
Alternating the threads which are raised and lowered on
successive passes of the shuttle results in a fabric which holds
together even when removed from the loom.
The draft is separated into four sections. The upper left shows
which threads should be threaded through which harness (4-1
vertically) in a given sequence. The upper right shows which
harnesses should be tied to which treadles. The lower right
provides the sequence for pressing on the treadles (1-6
horizontally). And at the lower left is a graphic representation
of the design; black squares in the pattern represent warp
(vertical) threads, while white squares represent weft
(horizontal) threads. This graphic representation is known as a
"drawdown". When more than two colors are used -- or more than
one thickness of thread in a single color -- drafts may indicate
these differences as well, usually through the use of letters
representing the colors. Letters are also used for complicated
block patterns in which every other "cell" in the fabric has a
different pattern.
Making small changes in the draft concerning threading, tie-up,
and treadling may cause anywhere from drastic to unnoticeable
changes in the actual fabric.
The proposed program would allow manipulation of any of these
three features and provide near-instant alteration in the draft.
I'd plan to write it such that you can draw a design in the
drawdown grid and the program will provide the appropriate
threading, tie-up, and treadling as well. Output would be in
DEGAS format.
For the purposes of this sample, I've provided a .PI3 of a draft
of a twill pattern composed of small and large diamonds. The
basic "unit" of the pattern is shown with one repeat both
vertically and horizontally. The .PI3 also shows a "real"
picture of the actual fabric for comparison purposes.
If there are any other ST-using weavers out there, I'd like to
hear from you. I'll make the program to suit my own limited
needs in any case, but if there is any demand, I can expand it to
meet yours as well.
--D.A. Brumleve [GEnie: DABRUMLEVE]