Here is the bug I filed for this: http://www.vtk.org/Bug/view.php?id=15653
On Fri, Aug 7, 2015 at 12:39 PM, Dan Lipsa <[email protected]> wrote: > Raphael, > 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, > Dan > > > On Fri, Aug 7, 2015 at 10:16 AM Dan Lipsa <[email protected]> wrote: > >> Hi Raphael, >> >> On Fri, Aug 7, 2015 at 5:02 AM Schubert, Raphael < >> [email protected]> 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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