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<DIV><FONT face=Arial size=2>Hello again.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Would vtkImageDataGeometryFilter be convenient
for</FONT></DIV>
<DIV><FONT face=Arial size=2>triangulating a DEM. (I am not interested in
Delaunay </FONT></DIV>
<DIV><FONT face=Arial size=2>triangulation, as it is far too slow for
triangulating millions of</FONT></DIV>
<DIV><FONT face=Arial size=2>points) ?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I would just do a triangulation such as
:</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>*--------*</FONT></DIV>
<DIV><FONT face=Arial size=2>| \ | / |</FONT></DIV>
<DIV><FONT face=Arial size=2>| \ | / |</FONT></DIV>
<DIV><FONT face=Arial size=2>*---*---*</FONT></DIV>
<DIV><FONT face=Arial size=2>| / | \ |</FONT></DIV>
<DIV><FONT face=Arial size=2>| / | \ |</FONT></DIV>
<DIV><FONT face=Arial size=2>*---*---*</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>alternating square
diagonals direction</FONT></DIV>
<DIV><FONT face=Arial size=2>(I am not sure it will be clear enough
...)</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>will this function achieve this ?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Seb</FONT></DIV></BODY></HTML>