This confuses me. The slice filter (vtkCutter) is not supposed to interpolate any cell-centered data whether it is integer or double. To my knowledge, there has been no bug that changed this. Can you send me a small dataset that I can reproduce this with?
-berk On Thu, Jul 2, 2009 at 8:12 AM, Dominik Szczerba<[email protected]> wrote: > I just checked that PV from CVS addresses exactly this issue, so I am > apparently not alone in my considerations. PV 3.4 will load a label > field and interpolate the colors when viewing slices (thus destroying > the image). PV CVS ignores interpolation settings and displays my labels > correctly (without interpolation). So I assume somebody realized the > problem recently too and corrected it. So I conclude that ImageData is > still the right choice for discrete label fields (and not > StructuredGrid), but one has to rely on the latest version. Please > correct me if I am wrong. > > -- Dominik > > On Wed, 2009-07-01 at 18:07 +0200, Dominik Szczerba wrote: >> When storing my label field as imagedata I get unwanted interpolation if >> I e.g. cut through the volume. Switching the interpolation off results >> in funny bad looking triangles. What's the best/intended/practiced way >> of storing (integer) label fields? Image data is point centered while >> label fields are clearly cell centered. As I see the only alternative is >> StructuredGrid, but functions like contouring or resampling require >> point data anyway. So what's better: store my labels as image (point) >> data and compromise display (unwanted interpolation) or go for >> structured grid and compromise size of the file and needed conversions >> to image data anyway? >> >> -- Dominik >> >> _______________________________________________ >> Powered by www.kitware.com >> >> Visit other Kitware open-source projects at >> http://www.kitware.com/opensource/opensource.html >> >> Please keep messages on-topic and check the VTK FAQ at: >> http://www.vtk.org/Wiki/VTK_FAQ >> >> Follow this link to subscribe/unsubscribe: >> http://www.vtk.org/mailman/listinfo/vtkusers >> > > _______________________________________________ > Powered by www.kitware.com > > Visit other Kitware open-source projects at > http://www.kitware.com/opensource/opensource.html > > Please keep messages on-topic and check the ParaView Wiki at: > http://paraview.org/Wiki/ParaView > > Follow this link to subscribe/unsubscribe: > http://www.paraview.org/mailman/listinfo/paraview > _______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Follow this link to subscribe/unsubscribe: http://www.paraview.org/mailman/listinfo/paraview
