[Paraview] Open vtk with zlib

[Sébastien Blaise]

You're right, I didn't change the offset for the compressed files. I 
wrote now the offsets a posteriori with fgetpos/fsetpos and it is OK.

Thanks for your help,
Sébastien

Brad King a écrit :
>
> Sébastien Blaise wrote:
>> ERROR: In 
>> /build/buildd/paraview-3.2.2/VTK/IO/vtkXMLUnstructuredDataReader.cxx, 
>> line 515
>> vtkXMLUnstructuredGridReader (0xa030228): Cannot read points array 
>> from Points in piece 0. The data array in the element may be too short.
>
> Note that the error occurs when reading the Points array, not your 
> data array.
> The problem is here:
>
> <Points>
>  <DataArray type="Float64" NumberOfComponents="3" format="appended" 
> offset="16420"/>
> </Points>
>
> The offset needs to point at the offset from '_' to the beginning of the
> compression header for the Points array.  The offset you give is the
> uncompressed size, but it should account for the compressed size of the
> array before it.
>
> Note that files written by VTK have extra whitespace after the offset 
> field
> because they actually reserve space to seek back and set it *after* 
> writing
> earlier arrays to the AppendedData section.
>
> -Brad
>