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[Therion] Flowstone symbols
From: |
Michael Lake |
Subject: |
[Therion] Flowstone symbols |
Date: |
Fri, 2 Mar 2007 08:49:15 +1100 |
User-agent: |
Internet Messaging Program (IMP) 3.1 |
Hi all
Wookey wrote...
> Mike - I have an interest in this too - mulu has large flowstone areas
> which are currently poorly (artistically) represented. I'd be happy to
> compare notes.
Well now that flowstone as an area is in Therion we can look at tweaking the
metapost code.
The ASF's images for flowstone is at: http://www.caves.org.au/m_stab-1c.html#6.0
It differs from gour pools in that the gour symbols all join or touch each other
whereas the flowstone symbols are all separate. In the metapost code below I
have increased the horizontal and vertical spacing a bit and my wife Jill thinks
its pretty close now to the ASF symbol on the web.
code metapost
beginpattern(pattern_flowstone);
pickup PenC;
p:=(-.35u,0){dir -60} .. {dir 60}(0.35u,0);
draw p;
draw p shifted (0.35u,0.4u); # was (0.35u,0.3u)
patternxstep(1.0u); # was 0.7
patternystep(0.8u); # was 0.6
endpattern;
def a_flowstone_ASF (expr Path) =
T:=identity;
thclean Path;
thfill Path withpattern pattern_flowstone;
enddef;
endcode
Now .... rotation. We draw flowstone and gours oriented to the direction that
they are in the cave. I think they are pretty much the only area fills that we
orient. The rest like mad, sand, clay, moonmilk etc are all unorientated.
Mike Lake
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- [Therion] Flowstone symbols,
Michael Lake <=