<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><DIV>Hi;</DIV>
<DIV>I want to get normal vector of point around a cell/polygon in my vtk class, and I will have some points on that normal vector, and also I will get those points density values. How can I obtain these with VTK (c++), Does anybody have a such kind of example? It is very important for me. I hope somebody will help me. </DIV>
<DIV>Thank a lot.</DIV>
<DIV><BR>Tony</DIV></div><br>
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