[Paraview] image data extents are not displayed in Information tab

[Dominik Szczerba]

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As I do. Please, can you check if you see both extents and bounds in
Information?

Dominik

Michael Jackson wrote:
> vtkImageAlgorithm
> 
> _________________________________________________________
> Mike Jackson                  mike.jackson at bluequartz.net
> BlueQuartz Software                    www.bluequartz.net
> Principal Software Engineer                  Dayton, Ohio
> 
> 
> 
> On Oct 28, 2008, at 5:31 AM, Dominik Szczerba wrote:
> 
> One more question: where do you derive your reader from (maybe the
> parent class sets something for you)?
> 
> Dominik
> 
> Dominik Szczerba wrote:
>>>> Thanks Mike, but this is exactly what I have.
>>>> Are you sure you see both bounds and extents in Information?
>>>>
>>>> Dominik
>>>>
>>>> Michael Jackson wrote:
>>>>> Not sure if it is any help but here is a code snippet from my own HDF5
>>>>> image reader code:
>>>>
>>>>>  outInfo->Set( vtkDataObject::ORIGIN(), DataOrigin, 3 );
>>>>>  outInfo->Set( vtkDataObject::SPACING(), DataSpacing, 3 );
>>>>>  this->DataExtent[0] = this->DataExtent[2] = this->DataExtent[4] = 0;
>>>>>  this->DataExtent[1] = xDim-1;
>>>>>  this->DataExtent[3] = yDim-1;
>>>>>  this->DataExtent[5] = zDim-1;
>>>>>  outInfo->Set( vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT(),
>>>>> DataExtent, 6 );
>>>>>  outInfo->Set( vtkStreamingDemandDrivenPipeline::UPDATE_EXTENT(),
>>>>> DataExtent, 6 );
>>>>
>>>>
>>>>> _________________________________________________________
>>>>> Mike Jackson                  mike.jackson at bluequartz.net
>>>>> BlueQuartz Software                    www.bluequartz.net
>>>>> Principal Software Engineer                  Dayton, Ohio
>>>>
>>>>
>>>>
>>>>> On Oct 27, 2008, at 7:55 PM, Dominik Szczerba wrote:
>>>>
>>>>> What else then WHOLE_EXTENT, UPDATE_EXTENT and SetExtent and do I have
>>>>> to fill in RequestInformation/RequestData of my plugin reader (derived
>>>>> from vtkImageAlgorithm) in order for Paraview to see the dataset's
>>>>> extents? Only bounds are displayed in the Information tab, while for
>>>>> native file formats there is also extents. But when I save the file in
>>>>> legacy format for a test the extent is written correctly, so it WAS
>>>>> known to Paraview, only not displayed properly. What is wrong?
>>>>
>>>> _______________________________________________
>>>> ParaView mailing list
>>>> ParaView at paraview.org
>>>> http://www.paraview.org/mailman/listinfo/paraview
>>>>
> 

- --
Dominik Szczerba, Ph.D.
Computational Physics Group
Foundation for Research
on Information Technologies in Society
http://www.itis.ethz.ch
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