[Paraview] error:Cannot volume render since no point (or cell) data available.

[pratik]

Thanks for that! I used the cell-to-point filter and it is working 
perfectly !

pratik
On Wednesday 04 May 2011 06:36 PM, Utkarsh Ayachit wrote:
> ParaView only supports volume rendering point data for 3D uniform grid
> datasets. You can apply a cell-data-to-point-data filter and the then
> volume render.
>
> Utkarsh
>
> On Wed, May 4, 2011 at 8:55 AM, pratik<pratik.mallya at gmail.com>  wrote:
>    
>> Greetings,
>> I loaded a scalar data (defined on a 3d grid) into paraview 3.10.1. When i
>> try to change "Representation" to "Volume", i get the error:
>>
>> Cannot volume render since no point (or cell) data available.
>>
>> But this can't be true since the "Information" tab shows that:
>>
>> Statistics:
>> type:Image(Uniform Rectilinear Grid)
>> Number of Cells: 2048383
>> Number of Points: 2146689
>> Memory: 1.6e+02 MB
>> and the data arrays do show the 2 dataitems that i read in; a scalar data S
>> and a tensor data Q
>>
>> hmm..any ideas on why this is happening? Thanks in advance for the help.
>>
>> pratik
>>
>> P.S; I'll post part of the XDMF file here:
>> <?xml version="1.0" ?>
>> <!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []>
>> <Xdmf>
>>      <Domain Name="NemTens">
>>          <Grid Name="NemTensTime" GridType="Collection"
>> CollectionType="Temporal">
>>
>>              <Grid Name="NemTensValues" GridType="Uniform">
>>                  <Time Value= "0" />
>>                      <Topology TopologyType="3DCoRectMesh" Dimensions="128
>> 128 128 9 "/>
>>                      <Geometry GeometryType="ORIGIN_DXDYDZ">
>>                              <DataItem DataType="Float" Dimensions="3"
>> Format="XML">0.0 0.0 0.0</DataItem>
>>                              <DataItem DataType="Float" Dimensions="3"
>> Format="XML">0.1 0.1 0.1</DataItem>
>>                      </Geometry>
>>                      <Attribute Name="S" Center="Cell" AttributeType="Scalar"
>> Precision="8">
>>                          <DataItem Format="HDF" NumberType="Float"
>> Dimensions="128 128 128" Precision="8">
>>                              analtest.h5:/S_00000000
>>                          </DataItem>
>>                      </Attribute>
>>                      <Attribute Name="Q" Center="Cell"
>> AttributeType="Tensor" Precision="8">
>>                          <DataItem  Format="HDF" NumberType="Float"
>> Dimensions="128 128 128 9" Precision="8">
>>                              Q.h5:/Q/Q_00000000
>>                          </DataItem>
>>                      </Attribute>
>>              </Grid>
>> </Grid>
>>      </Domain>
>> </Xdmf>
>>
>> this is for the first timestep only
>>
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