| From: Wolfgang De Meuter (wdmeuter at vub.ac.be) Date: Mon Sep 7 04:58:57 EDT 2009 |
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Hello I'm trying to use the picture language to create some courseware. Are there any predicates allowing me to test whether a picture is a circle, rectangle,... If not... any other hacks that allow me to know what the 'type' of a picture is? I was thinking about writing procedures for calculating circumferences for various pictures. Regards Wolf
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