 | | #8880 Wheel & Tire
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After sometime (a lot of it) I finally solved my registration problem with my Cad Software. So the parts mencioned in the subject are due to appear tomorrow, since I forgot them at home today. I have two different tesselations (a low poly and a high (...) (24 years ago, 19-Jun-00, to lugnet.cad.dev)
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| | Re: Math Help Needed PLEASE
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(...) Ok I got it partly somehow running, but currently I'm fighting with matrixes which do not have an inversion-matrix, I got to algorythms on how to get the inversion-matrix and in some rare cases they return different values, and tell me that (...) (24 years ago, 19-Jun-00, to lugnet.cad.dev)
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| | Re: Math Help Needed PLEASE
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How embarrassing. Please ignore my previous post. Apparently Lars beat me to it and even brought up a point I missed. Now I have to go figure out how to retract a message. Don (24 years ago, 19-Jun-00, to lugnet.cad.dev)
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| | Re: Math Help Needed PLEASE
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(...) Transform PS from model space to unrotated part space. Round the x, y, z values to the nearest grid points. (add half a grid size, divide by grid size, multiply by grid size) Transform PS back to model space. I think this algorithm may be (...) (24 years ago, 19-Jun-00, to lugnet.cad.dev)
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| | Re: Math Help Needed PLEASE
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(...) What do you mean by "translated into model space" ? Back from World coordinates? By applying inv(VM)? How can you find a z value for the screen point. There are many possible values. (How do you go from 2D to 3D?) Assuming that you could find (...) (24 years ago, 19-Jun-00, to lugnet.cad.dev)
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