[therion] Re: drawing up - seeking advice

Stacho Mudrak s.m at speleo.sk
Wed Mar 31 16:12:49 CEST 2004

>> neat. Although I strongly contend that lines which go underneath should have
>> a small gap so that they do not touch the wall which they are going under.
>> This makes for much clearer pictures. Althernatively the greying could occur
>> before the wall/clipping zone.

You're right - this would help a lot, but...

... our scrap outline is given by bezier curves. And as far as I know,
problem of finding parallel curve to given bezier curve has no
analytical solution (numerical isn't possible to do in metapost - too
slow). Any ideas?


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