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<DIV><FONT face=Arial size=2>I have written a vtk xml file (head.vtp see below)
that consists of 2 points. I can read it in, but I can't extract the points out
of the PolyData object. What am I doing wrong? </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2># trying to read an vtk polydata xml
file<BR>vtkXMLPolyDataReader reader<BR> reader SetFileName "C:/Documents
and Settings/staJN/My Documents/XMLhead/head.vtp"<BR># [reader GetOutput] is a
polydata object!<BR>set poly [reader GetOutput]</FONT></DIV>
<DIV><FONT face=Arial size=2>set points [$poly GetPoints]</FONT></DIV>
<DIV><FONT face=Arial size=2>puts [$poly GetNumberOfPoints]</FONT></DIV>
<DIV><FONT face=Arial size=2>OUTPUT: 0</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Here is my xml file:</FONT></DIV>
<DIV><FONT size=2>
<P><?xml version="1.0"?></P>
<P><VTKFile type="PolyData" version="0.1" byte_order="LittleEndian"></P>
<P><PolyData></P>
<P><Piece NumberOfPoints="2"></P>
<P><Points></P>
<P><DataArray type="Float32" NumberOfComponents="3" format="ascii"></P>
<P>10 0 0 50 50 0</P>
<P></DataArray></P>
<P></Points></P>
<P><PointData Scalars="my_scalars"></P>
<P><DataArray type="Float32" Name="my_scalars" format="ascii"></P>
<P>1 1</P>
<P></DataArray></P>
<P></PointData></P>
<P><CellData Scalars="cell_scalars"></P>
<P><DataArray type="Int32" Name="cell_scalars" format="ascii"></P>
<P>0 1</P>
<P></DataArray></P>
<P></CellData></P>
<P></Piece></P>
<P></PolyData></P>
<P></VTKFile></P></FONT></DIV>
<DIV><FONT face=Arial size=2><BR>Joeri,<BR>Agfa Gevaert, R&D/TI<BR>+ 32 (0)
3 444 6429,<BR><A href="mailto:stajn@agfa.com">stajn@agfa.com</A><BR><A
href="mailto:joeri_vtk@hotmail.com">joeri_vtk@hotmail.com</A></FONT></DIV></BODY></HTML>