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  1. We and our colleagues (working in fly brain neuroanatomy) use the NRRD format. We have >100,000 NRRD images with data gzip encoded. gzip compression is useful because many images are sparse and compress by factors of >10 or even >100x.

    At least on the current v5.4.1 on mac gzip encoding is not supported.

    ERROR: In /Users/kitware/dashboards/buildbot-slave/8275bd07/build/superbuild/paraview/src/VTK/IO/Image/vtkNrrdReader.cxx, line 401
    vtkPNrrdReader (0x7fbe23649220): Unsupported encoding: gzip

    ERROR: In /Users/kitware/dashboards/buildbot-slave/8275bd07/build/superbuild/paraview/src/VTK/Common/ExecutionModel/vtkExecutive.cxx, line 784
    vtkPVCompositeDataPipeline (0x7fbe227f98d0): Algorithm vtkPNrrdReader(0x7fbe23649220) returned failure for request: vtkInformation (0x7fbe227f99e0)
    Debug: Off
    Modified Time: 211881
    Reference Count: 1
    Registered Events: (none)
    Request: REQUESTINFORMATION
    ALGORITHM
    AFTERFORWARD: 1
    FORWARD
    DIRECTION: 0

    It…

    12 votes
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  2. With paraview 5 the export to vector graphic formats most often results in a rasterized image (http://public.kitware.com/pipermail/paraview/2016-February/036314.html). This is huge drawback of the new version. Please bring the old true svg, eps, pdf export back!
    (Old uservoice entry for this: https://paraview.uservoice.com/forums/11350-general/suggestions/313565-add-vector-graphics-output-i-e-postscript)

    12 votes
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    1 comment  ·  Admin →
  3. VRML reader should support aliased materials, OBJ reader should support MTL files (suggested by David E DeMarle)

    11 votes
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  4. Scale the speed at which zoom occurs based on mouse input. In other words, add a user preference for scaling how rapidly or slowly the scene zooms in or out based on moving the scroll wheel. My mouse seems extremely sensitive.

    10 votes
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    1 comment  ·  Admin →
  5. this data file crashes paraview 3.14.1 on mac osx 10.6.8.
    i know it's a bad data file; there is no space separating the X and Y components of the POINT data.

    i know this isn't the bug tracker.

    vtk DataFile Version 3.0

    Surprise, surprise. Bad input data crashes ParaView.
    ASCII
    DATASET UNSTRUCTUREDGRID
    POINTS 1 double
    0.622120545112035E+000-0.418009927112657E+000 0.000000000000000E+000
    CELLS 1 2
    1
    1
    CELL
    TYPES 1
    1
    CELLDATA 1
    VECTORS test
    vec double
    1.000000000000000E+000 2.000000000000000E+000 3.000000000000000E+000

    10 votes
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  6. Add capabilities to the VRML, WebGL, X3D etc. writers to enable the export of animated scenes.

    10 votes
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    1 comment  ·  Admin →
  7. Currently (as of version 4.1), when exporting line chart views in vector form, the mathtext axis labels get output in plain form such as $\gamma$ instead of the Greek gamma symbol. Mathtext apperaing elsewhere, such as legends, gets output correctly. Only the axes labels do not get output correctly. I have tested it with both "renedr text as paths" checked and unchecked and the error was not affected by it.

    9 votes
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  8. Wireframe (or surface with wireframe) representation does not work with quadratic elements when in multi-core mode. The cause is that quadratic wireframe is not supported when geometry is shipped from server to client (which is implicitly the case for multi-core mode). See bug 10676, the bug that originally implemented correct quadratic wireframes, for more details on this unimplemented case.

    9 votes
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  9. Right now quantities are associated to nodes or elements, but in electromagnetics some quantities are naturally associated to faces (fluxes) or edges (magnetomotive forces) and special finite elements (nedelec / raviart-thomas) can be used to interpolate such quantities. Is support for such entities planned? If not how difficult would it be to implement it?

    9 votes
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    1 comment  ·  Admin →
  10. Add better NASTRAN support for bulk file input

    9 votes
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  11. Many open-source CAE software can import/export .unv files (I-DEAS universal files).

    I would like to have this option in ParaView

    9 votes
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  12. When using a data-set with multiple spatial blocks, where the temporal information is present in the top-level multi-block wrapper node,
    the pathlines filter does not find any timestepping information.

    (cf. related discussion on the mailing list: http://www.paraview.org/pipermail/paraview/2010-October/019042.html)

    Since we produce our data massively in parallel, we can not write a single spatial block efficiently and must rely on xdmf's multi-block capability. Without an efficient trajectory-trace filter, however, particle plotting using paraview is obviously mostly pointless.

    9 votes
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  13. It would be great to have a filter that directly computes cells volume and store it as a variable

    8 votes
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  14. It would be useful to have a reader for SEG-Y seismic data, with the option to translate between big-endian and little-endian forms (UNIX to PC). This may be a complicated task since most data will be in two-way time (unless depth converted). However , this should not be a problem given that the freeware GMT software can read the data and convert to a useable format. Something to consider.

    8 votes
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  15. The plane source seems very awkward to use - specifying three corners of the plane. A more natural way to specify a plane is by the origin and normal vector. A radius would also be needed to specify how large the patch of the plane should be. Maybe a "Square Sphere Source" source could be added on top of the existing Sphere Source so people can use the existing one for "difficult" planes (non-rectangular) and the new one for "easy" planes (square).

    8 votes
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    1 comment  ·  Admin →
  16. As suggested here,
    http://www.paraview.org/pipermail/paraview/2011-May/021348.html
    I propose supporting varying timestep for .vtk format files
    via the vtk index.

    7 votes
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    1 comment  ·  Admin →
  17. Adding latex functionality would also be great, but impractical for some purposes. There are 3 fonts, serif, sans and mono. I am using Ubuntu 10.04 on this computer, and it gives me the options of arial, times and courier, the free ms fonts. The fonts, however, are not arial times and courier. I think they are some of the fonts from my distribution. I installed the ttf-mscorefonts package which installs arial, times etc. from the repositories, but the fonts remain the same.
    I personally would like to choose my own font like Freesans or Nimbus, which both are Helvetica clones.…

    7 votes
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  18. Accommodate the ability to visualize the data formed in .ovf file which is the standard data output produce by the Micromagnetism software OOMMF or MuMax3.

    7 votes
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  19. I see that it's been requested for quite a while! It'd be marvelous if you could just obtain the difference, union or intersection of two shapes with a click of a button... Just saying....

    7 votes
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  20. It is very frustrating to use various softwares in order to convert files from .vtk. Since Paraview includes lots of readers, why not writing the corresponding writers ?

    7 votes
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