Another BTW. Take that first crossproduct. It gives you a vector normal to the plane of the triangle. Cross it with a northern (y axis) vector and normalize the result. Then draw that triangle using a color proportional to the x component. Do for all triangles and you should get a pretty sun shaded picture of your data.

In reply to Re^4: Contour mapping? (Thank Dog for anonymonk.) by Anonymous Monk
in thread Contour mapping? by BrowserUk

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