Brett Ian Balogh's Blog (1)

Hi Folks,



I've been having some problems with a valid closed polysurface that has all surface normals oriented correctly in Rhino (used the Direction command). However, when I work with it in Grasshopper, it appears that half of the surfaces are now flipped (normals now pointing to the inside of the polysurface). I've tried to use a guide surface, I tried offsetting points along the normal to test for inclusion and then flip. I've even tried to flip normals manually by mutliplying… Continue