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Hope this is okay posting it here. I thought they were quite interesting articles.
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Just to clear any doubts: the articles aren't written by me; though I agree with most of what's said.
I do feel that, while Zwcad is (very??) successful, it has the advantage of coming later - so it doesn't need to repeat Autocad's legacy mistakes. From what I've read, even Autocad is trying to strike a balance between redoing it's interface , and retaining customers used to the old one.
Like Dileep says: One area is parametrization. As I understand it: it's like, for example, a rectangle of 3 x 4 units is not a polyline, but a rectangle. When I click it, I should be able to change it in the Property Bar to 3 x 6 units.
Then: constraints. Like it should be easy to change the fillet in a rounded polyline without losing tangency.
Then, for 3d: openGL: Most successful new 3d software - even open-source ones - are taking advantage of this to allow enjoyable 3d work.
Thanks for listening
BYW, I agree this is the proper forum for posting. Sorry, sometimes all the forums confuse me. It must be old age creeping on me ;)
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