Subject:
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Re: LDForge - dev. plans and call for help
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Newsgroups:
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lugnet.cad
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Date:
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Wed, 31 Mar 2010 20:25:52 GMT
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Viewed:
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20199 times
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In lugnet.cad, Santeri Piippo wrote:
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Hi folks, • - SNIP
Polygon sorting - help needed
I need a little bit help, however. The polygon sorting algorithm I have right
now does not work properly. Currently it’s done by calculating the center of
the polygon by simply calculating the means of the coordinates.
How do existing programs - LDView in particular as it’s an OpenGL one too -
sort polygons? I’d appreciate help tremendously here..
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-SNIP-
At present I can not see the reason to sort polygons if you only want to display
them.
cu
mikeheide
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Message has 1 Reply:
 | | Re: LDForge - dev. plans and call for help
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| (...) The polygons have to be painted on the screen in the correct order in order to have the part displayed correctly. It's not handled automatically. So I need an algorithm to sort the polygons.. and my current one doesn't work right. -Santeri (14 years ago, 31-Mar-10, to lugnet.cad, FTX)
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Message is in Reply To:
| | LDForge - dev. plans and call for help
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| Hi folks, over the latter half of the year 2009 I've been planning and experimenting on the thought of a good CAD program for part authors. Now I'm unveiling my thoughts to the public, but this is not an announcement. It's too early for such. (...) (14 years ago, 31-Mar-10, to lugnet.cad, FTX)
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