 | | Re: Detemining Polygon Winding (Was: New Plugin for LDDesignPad)
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"Don Heyse" <dheyse@hotmail.spam....away.com> skrev i meddelandet news:H0I44E.2vE@lugnet.com... (...) An idea: Drawing with a software Z-buffer it's trivial to note _which_ polygons are the finally visible ones (at every pixel). Those are on the (...) (22 years ago, 8-Aug-02, to lugnet.cad.dev)
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| | Re: Detemining Polygon Winding (Was: New Plugin for LDDesignPad)
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(...) Also, once you know the direction for one (or more) polygons, any polygons that share an edge can have their direction determined. If polygon #1 has wrapping ABCD, and polygon #2 has vertices ABEF, then polygon #2's wrapping will involve a (...) (22 years ago, 8-Aug-02, to lugnet.cad.dev)
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| | Re: Detemining Polygon Winding (Was: New Plugin for LDDesignPad)
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(...) Or I could say that the first polygon in a part must be wound correctly and then proceed from there. (22 years ago, 8-Aug-02, to lugnet.cad.dev)
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| | Re: Detemining Polygon Winding (Was: New Plugin for LDDesignPad)
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(...) Correcting the winding shouldn't be too bad -- if the L3 code is available (ie, look in the ldglite source code) -- check how Lars detects bad winding, and how he figured the (more) correct winding. Steve (22 years ago, 9-Aug-02, to lugnet.cad.dev)
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