[vtkusers] [Paraview] (no subject)

Dan Lipsa dan.lipsa at kitware.com
Fri Aug 7 12:39:28 EDT 2015

In talking to Dave, it seems that indeed you have found a bug in the writer
(and in the specification). It does not seem to be a way to save field data
unless your dataset is of type FIELD (a collection of arrays). The arrays
attached to POINT_DATA (or CELL_DATA) which are designated as FIELD have to
have the same number of tuples as the points (or cells). The terminology is
kind of confusing as well. Would you mind filing a bug report. Thanks,

On Fri, Aug 7, 2015 at 10:16 AM Dan Lipsa <dan.lipsa at kitware.com> wrote:

> Hi Raphael,
> On Fri, Aug 7, 2015 at 5:02 AM Schubert, Raphael <
> raphael.schubert at iwm.fraunhofer.de> wrote:
>> The way I understand the file format specification it should be illegal
>> to define a FIELD dataset in addition to, e.g, STRUCTURED_POINTS, as I can
>> find it neither explicitly allowed (there is only mention of one dataset
>> per file) nor presented in an example. It therefore seems like an
>> accidental feature in vtk that I can actually read back the produced files.
> A FIELD dataset is a way to specify data without topological or
> geometrical structure. One can also define FIELD arrays after CELL_DATA or
> POINT_DATA for a dataset. Look at the first example on page 7. In the
> CELL_DATA section there is a field arrays.
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