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  1. Better documentation

    Make a pass through VTK classes to ensure all methods and arguments are clearly documented.

    118 votes
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      9 comments  ·  Flag idea as inappropriate…  ·  Admin →
    • start porting to python3

      most scientific libraries were ported to python3 but VTK really lags behind with no support at all. Scientist are now thought python3 not 2 so you will loose users.

      40 votes
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        started  ·  2 comments  ·  Flag idea as inappropriate…  ·  Admin →
      • 34 votes
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          0 comments  ·  Flag idea as inappropriate…  ·  Admin →
        • Add signal/slot support like Boost or Qt

          Replace or extend the current observer pattern with signals and slots.

          18 votes
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            3 comments  ·  Flag idea as inappropriate…  ·  Admin →
          • Use namespaces

            Put VTK in a namespace instead of relying on prefixes for avoiding name collisions.

            18 votes
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              4 comments  ·  Flag idea as inappropriate…  ·  Admin →
            • Return support for Tkinter widgets.

              Tkinter is a good GUI toolkit, is cross-platform, simple to use and lightweight (as opposed to Qt), which is important for scientific users like me developing tools with graphics capabilities.

              I know it is not very popular, but it only needs support and usage to gain visibility and expand its user base. Lack of support from important projects like VTK don't help in the cause, so it seems to me like a vicious circle.

              So please, return the support for the widgets.

              17 votes
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                2 comments  ·  Flag idea as inappropriate…  ·  Admin →
              • vtk with webgl

                What about to make a web version of vtk with webgl?

                15 votes
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                  6 comments  ·  Flag idea as inappropriate…  ·  Admin →
                • Add support for NetBeans IDE projects to CMake

                  I'd like to be able to build and debug VTK and projects using VTK (Java & C++) in the NetBeans IDE. There's a NetBeans IDE plugin that can interpret Ant projects, but that's an extra step I'd like to avoid.

                  13 votes
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                    0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                  • Spack VTK package

                    Using spack.io has been a great help in installing and configuring third party dependencies. But the VTK package is barely functional and doesn't include support for all the different variants VTK can be built with.

                    12 votes
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                      0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                    • Add support for .fits files, which are widely used in astronomy.

                      I would love to use this to create a 3d map of the galaxy from our data.

                      11 votes
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                        0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                      • Add support for shared memory parallelism

                        It would be great if at least the most common filters (stream lines, contour, extract surface...) would take advantage of multiple cores without MPI.

                        9 votes
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                          0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                        • Distribute Python binary wheel on PyPI

                          The easiest way to find and install python packages currently is to use the pip tool to install packages from PyPI. If these packages are distributed as binary wheels as well, the install of packages with complicated dependencies such as that of VTK becomes a lot easier!

                          There seems to have been a push for this previously, which died.
                          http://vtk.1045678.n5.nabble.com/Help-building-Python-wheels-for-VTK-td5728074.html

                          It is also worth noticing that most google answers for installing VTK for python on Windows now says to download the unofficial vinary wheels on http://www.lfd.uci.edu/~gohlke/pythonlibs/#vtk .

                          8 votes
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                            0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                          • 7 votes
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                              0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                            • High order meshes

                              According to the VTK documentation, high order meshes are supported (at least quadratic). However, the resulting mesh are pretty much linear where the high order points are connected with lines. Have you improved this, or do you plan to?

                              7 votes
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                                0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                              • CUDA VTK extension on python

                                I've found only TCL examples for VTK via Cuda. Can you give me advice how I can use VTK via nVidia CUDA with Python?

                                7 votes
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                                  0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                • add Scilab support

                                  In the same way than matlab is supported, add support to Scilab through adequate classes:
                                  - vtkScilabEngineFilter
                                  - vtkScilabEngineInterface
                                  - vtkScilabMexAdapter

                                  Scilab (http://www.scilab.org/) is an open source program with a very active team. It would be very interesting to benefit both from Scilab and VTK processing functions.

                                  In the end, one may then think to have a Scilab plugin in ParaView to process dataset with Scilab functions, and benefit from ParaView workflow capabilities (filter pipeline) and ability to distribute computations (MPI) to leverage ParaView analysis capabilities.

                                  5 votes
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                                    0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Add a background box to vtkScalarBarActor like the box in the legend of XYPlots.

                                    To make the vtkScalarBarActor more legible over complex scenery, it would help to have a background with programmable color/opacity like the Box object in the legend of the XYPlot actor.
                                    One implementation difficulty will be in creating a box that encompasses the labels & title which hang outside the area defined by the scalarbar actor's position, width & height. The scalar bar widget would need to be aware of this expanded size so that user's could resize the scalar bar by dragging its new edge.

                                    4 votes
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                                      0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Add units to array types

                                      Store unit information for each *component* of an array. This could be done easily with vtkInformation objects. For example, the vtkDataArray used by a vtkPoints objects might have 3 vtkInformation objects (one for x, y, and z) specifying the units in which each component's values are specified ('km', 'ft.', 'furlong'). A filter could then perform unit conversions for arrays or even do fancy analysis like using Buckingham Pi theory to determine combinations of arrays to examine.

                                      4 votes
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                                        1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Add a cmake generator for IDE QT Creator

                                        As the current import function of QT Creator for cmake projects cannot handle only-header files properly, it would be helpful if a correct QT project file could be generated by cmake similar to Eclipse.

                                        4 votes
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                                          1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                                        • allow the filters to chose point datatype

                                          most of the filters hardcode float which does not suffice for micro/nano visualizations and data scaling is no fun.

                                          4 votes
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                                            0 comments  ·  Flag idea as inappropriate…  ·  Admin →
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