[vtkusers] Problem of writing vtp file

[Chenxi Zhang]

HI

   I have a set of points.I want to creat a vtp file like that:

 <VTKFile type="PolyData" version="0.1" byte_order="LittleEndian">
  <PolyData>
    <Piece NumberOfPoints="128449"               NumberOfVerts="128449"               NumberOfLines="0"                    NumberOfStrips="0"                    NumberOfPolys="0"                   >
      <PointData Normals="Normals">
        <DataArray type="Float32" Name="Normals" NumberOfComponents="3" format="appended" RangeMin="0.9999999539"         RangeMax="1.0000000487"         offset="0"                   />
        <DataArray type="Int32" Name="vtkOriginalPointIds" format="appended" RangeMin="0"                    RangeMax="128448"               offset="1541392"             />
      </PointData>
      <CellData>
      </CellData>
      <Points>
        <DataArray type="Float32" Name="Points" NumberOfComponents="3" format="appended" RangeMin="0.0080462906331"      RangeMax="0.11603941536"        offset="2055192"             />
      </Points>
      <Verts>
        <DataArray type="Int32" Name="connectivity" format="appended" RangeMin=""                     RangeMax=""                     offset="3596584"             />
        <DataArray type="Int32" Name="offsets" format="appended" RangeMin=""                     RangeMax=""                     offset="4110384"             />
      </Verts>
      <Lines>
        <DataArray type="Int32" Name="connectivity" format="appended" RangeMin=""                     RangeMax=""                     offset="4624184"             />
        <DataArray type="Int32" Name="offsets" format="appended" RangeMin=""                     RangeMax=""                     offset="4624188"             />
      </Lines>
      <Strips>
        <DataArray type="Int32" Name="connectivity" format="appended" RangeMin=""                     RangeMax=""                     offset="4624192"             />
        <DataArray type="Int32" Name="offsets" format="appended" RangeMin=""                     RangeMax=""                     offset="4624196"             />
      </Strips>
      <Polys>
        <DataArray type="Int32" Name="connectivity" format="appended" RangeMin=""                     RangeMax=""                     offset="4624200"             />
        <DataArray type="Int32" Name="offsets" format="appended" RangeMin=""                     RangeMax=""                     offset="4624204"             />
      </Polys>
    </Piece>
  </PolyData>
  <AppendedData encoding="raw">
    
   I followed the example:
   http://vtk.org/Wiki/VTK/Examples/Cxx/IO/WriteVTP,
   but I can't creat the vtp like the above.

   Could you please tell me what went wrong?

   Thanks a lot.

Chenxi


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