# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=172

[Latest](https://discourse.paraview.org/latest.md) · [Categories](https://discourse.paraview.org/categories.md) · [Tags](https://discourse.paraview.org/tags.md)

**Page:** 173

---

## [Scalar name (point data) undefined when using Calculator filter in Anaconda Prompt](https://discourse.paraview.org/t/scalar-name-point-data-undefined-when-using-calculator-filter-in-anaconda-prompt/4980)

<div class="topic-metadata">

**Author:** [@jclai](https://discourse.paraview.org/u/jclai)\
**Replies:** 9\
**Last updated:** [July 31, 2020, 6:01pm UTC](https://discourse.paraview.org/t/scalar-name-point-data-undefined-when-using-calculator-filter-in-anaconda-prompt/4980 "2020-07-31T18:01:18Z")

</div>

Hello, I have no problem using the calculator filter in the ParaView GUI. Basically, my initial dataset consists of pressure ‘p’, velocity components ‘vxs’, ‘vys’, and ‘vzs’ - they are all point data. I applied many fil…

---

## [print the debug information for icet render](https://discourse.paraview.org/t/print-the-debug-information-for-icet-render/4990)

<div class="topic-metadata">

**Author:** [@zhe](https://discourse.paraview.org/u/zhe)\
**Replies:** 2\
**Last updated:** [July 31, 2020, 2:22am UTC](https://discourse.paraview.org/t/print-the-debug-information-for-icet-render/4990 "2020-07-31T02:22:45Z")

</div>

Hello, I noticed there are some debug information in Remoting/Views/vtkIceTComposite.cxx such as vtkOpenGLRenderUtilities::MarkDebugEvent("vtkIceTCompositePass: icetDrawFrame Start") How could I show these information …

---

## [Strange numerical format for the annotation of the colour bar](https://discourse.paraview.org/t/strange-numerical-format-for-the-annotation-of-the-colour-bar/1035)

<div class="topic-metadata">

**Author:** [@Beer](https://discourse.paraview.org/u/Beer)\
**Replies:** 4\
**Last updated:** [July 29, 2020, 4:57am UTC](https://discourse.paraview.org/t/strange-numerical-format-for-the-annotation-of-the-colour-bar/1035 "2020-07-29T04:57:46Z")

</div>

I did a 2-D contour plot of point data which has small numbers. I expected a exponential annotation in the colour bar. Instead I get the last value (which is the largest) in exponential form but the others in decimal for…

---

## [Size-dependent computational costs of Delaunay3D](https://discourse.paraview.org/t/size-dependent-computational-costs-of-delaunay3d/4171)

<div class="topic-metadata">

**Author:** [@jduriez](https://discourse.paraview.org/u/jduriez)\
**Replies:** 2\
**Last updated:** [July 28, 2020, 11:11am UTC](https://discourse.paraview.org/t/size-dependent-computational-costs-of-delaunay3d/4171 "2020-07-28T11:11:22Z")

</div>

Hi, I have two XMLUnstructuredGrid data sets, each with a set of points (a regular grid actually…) carrying a scalar field. The two data sets are nearly homothetical one with respect to another: they include the same n…

---

## [How to make a color blend effect for image data](https://discourse.paraview.org/t/how-to-make-a-color-blend-effect-for-image-data/4919)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 7\
**Last updated:** [July 28, 2020, 3:12am UTC](https://discourse.paraview.org/t/how-to-make-a-color-blend-effect-for-image-data/4919 "2020-07-28T03:12:16Z")

</div>

Dear Experts, I want to show two image data with different colors, like one is red and the other is green, then i want to see a final yellow color, if the two image data is show together. But result is just green one c…

---

## [Color imported lines by direction](https://discourse.paraview.org/t/color-imported-lines-by-direction/4813)

<div class="topic-metadata">

**Author:** [@lrfrank](https://discourse.paraview.org/u/lrfrank)\
**Replies:** 14\
**Last updated:** [July 28, 2020, 12:10am UTC](https://discourse.paraview.org/t/color-imported-lines-by-direction/4813 "2020-07-28T00:10:26Z")

</div>

Hi, I’m new to Paraview but have searched for this topic. I have a set of streamlines already generated by a different program, and save in vtk form. Paraview reads them in correctly. I would like to now use a tube f…

---

## [ExtractCellsByRegion() via pvpython](https://discourse.paraview.org/t/extractcellsbyregion-via-pvpython/4951)

<div class="topic-metadata">

**Author:** [@jclai](https://discourse.paraview.org/u/jclai)\
**Replies:** 4\
**Last updated:** [July 27, 2020, 10:26pm UTC](https://discourse.paraview.org/t/extractcellsbyregion-via-pvpython/4951 "2020-07-27T22:26:38Z")

</div>

Hello, I am searching for a way to select a part of my data. I have a dataset that consists of a small geometry (has volume) enclosed by a cylindrical boundary surface (hollow aside from the small geometry inside). I wa…

---

## [Correctly using vtkDataArraySelection in Python algorithm custom filter](https://discourse.paraview.org/t/correctly-using-vtkdataarrayselection-in-python-algorithm-custom-filter/4708)

<div class="topic-metadata">

**Author:** [@ju-kreber](https://discourse.paraview.org/u/ju-kreber)\
**Replies:** 4\
**Last updated:** [July 26, 2020, 12:49pm UTC](https://discourse.paraview.org/t/correctly-using-vtkdataarrayselection-in-python-algorithm-custom-filter/4708 "2020-07-26T12:49:19Z")

</div>

Hello, I’m trying to implement a simple custom filter using the VTKPythonAlgorithmBase. I’d like to include a vtkDataArraySelection and am now struggling with how to correctly use it. Following the tutorials (VTK Pytho…

---

## [Export to vtkjs (ParaViewGlance): How to set default camera distance/zoom](https://discourse.paraview.org/t/export-to-vtkjs-paraviewglance-how-to-set-default-camera-distance-zoom/4957)

<div class="topic-metadata">

**Author:** [@liangwang0734](https://discourse.paraview.org/u/liangwang0734)\
**Replies:** 1\
**Last updated:** [July 26, 2020, 1:40am UTC](https://discourse.paraview.org/t/export-to-vtkjs-paraviewglance-how-to-set-default-camera-distance-zoom/4957 "2020-07-26T01:40:39Z")

</div>

The default view when I open the HTML file in a browser seems to be reset to zoomed-in. Or, how to set the camera parameters accurately? Also, can we set the default transparency of, say, plane slices?

---

## [Problem in building Paraview with Ospray](https://discourse.paraview.org/t/problem-in-building-paraview-with-ospray/4922)

<div class="topic-metadata">

**Author:** [@Jerry](https://discourse.paraview.org/u/Jerry)\
**Replies:** 4\
**Last updated:** [July 24, 2020, 10:19pm UTC](https://discourse.paraview.org/t/problem-in-building-paraview-with-ospray/4922 "2020-07-24T22:19:37Z")

</div>

Before I build a Paraview with Ospray, I has successed in building a version without ospray follow the instructions in this webpage: https://github.com/Kitware/ParaView/blob/master/Documentation/dev/build.md. But when I…

---

## [PVBatch Windows 10](https://discourse.paraview.org/t/pvbatch-windows-10/4955)

<div class="topic-metadata">

**Author:** [@ABCLinux123](https://discourse.paraview.org/u/ABCLinux123)\
**Replies:** 1\
**Last updated:** [July 24, 2020, 9:39pm UTC](https://discourse.paraview.org/t/pvbatch-windows-10/4955 "2020-07-24T21:39:19Z")

</div>

Hi, I installed Paraview on Windows 10, and am unable to get pvbatch to open because it is “not compatible”. I downloaded the MS-MPI exe file, but still cannot get it to run. Does anybody know how to get pvbatch to wo…

---

## [Velocity vector field (not appearing) in Paraview](https://discourse.paraview.org/t/velocity-vector-field-not-appearing-in-paraview/4936)

<div class="topic-metadata">

**Author:** [@Abid\_Riaz](https://discourse.paraview.org/u/Abid_Riaz)\
**Replies:** 24\
**Last updated:** [July 24, 2020, 4:06pm UTC](https://discourse.paraview.org/t/velocity-vector-field-not-appearing-in-paraview/4936 "2020-07-24T16:06:48Z")

</div>

Hello, I have created a wing design within StarCCM+ and was not able to view a velocity magnitude scene showing the vectors without using a plane section showing a 2D view of the velocity contours, after looking online …

---

## [superbuild passing CMAKE\_CXX\_COMPILER to projects](https://discourse.paraview.org/t/superbuild-passing-cmake-cxx-compiler-to-projects/4903)

<div class="topic-metadata">

**Author:** [@danlipsa](https://discourse.paraview.org/u/danlipsa)\
**Replies:** 4\
**Last updated:** [July 23, 2020, 4:56pm UTC](https://discourse.paraview.org/t/superbuild-passing-cmake-cxx-compiler-to-projects/4903 "2020-07-23T16:56:00Z")

</div>

Should the compilers set at the superbuild level be passed to the individual projects? This does not seem to be the case, at least for las \[~/projects/paraview-superbuild/build-clang-osmesa-5.8.1-rc1\]$ cmake "-DCMAKE\_CX…

---

## [paraview display data](https://discourse.paraview.org/t/paraview-display-data/4929)

<div class="topic-metadata">

**Author:** [@Jie](https://discourse.paraview.org/u/Jie)\
**Replies:** 8\
**Last updated:** [July 23, 2020, 12:00pm UTC](https://discourse.paraview.org/t/paraview-display-data/4929 "2020-07-23T12:00:46Z")

</div>

Hello everyone, since I am very unfamiliar with paraview, I would like to ask you some questions. I want to use paraview to display the triangular prism grid. Can the data be visualized, or what should I do to display th…

---

## [error LNK2019 Visual Studio vtkSMViewLayoutProxy subclasses](https://discourse.paraview.org/t/error-lnk2019-visual-studio-vtksmviewlayoutproxy-subclasses/4930)

<div class="topic-metadata">

**Author:** [@Alberto](https://discourse.paraview.org/u/Alberto)\
**Replies:** 3\
**Last updated:** [July 23, 2020, 9:45am UTC](https://discourse.paraview.org/t/error-lnk2019-visual-studio-vtksmviewlayoutproxy-subclasses/4930 "2020-07-23T09:45:27Z")

</div>

I’m compiling a C++ plugin for Paraview. In my code I included the vtkSMViewLayoutProxy .h header file and I Initialized the Proxy from pqActiveObjects. When I try to call tjhe subclasses as GetView or Split the compil…

---

## [Seeking Help regarding calculation of average of concentration in a ring](https://discourse.paraview.org/t/seeking-help-regarding-calculation-of-average-of-concentration-in-a-ring/4906)

<div class="topic-metadata">

**Author:** [@EvanChy](https://discourse.paraview.org/u/EvanChy)\
**Replies:** 3\
**Last updated:** [July 23, 2020, 7:37am UTC](https://discourse.paraview.org/t/seeking-help-regarding-calculation-of-average-of-concentration-in-a-ring/4906 "2020-07-23T07:37:45Z")

</div>

Hi. I am hoping someone can help me with my problem. I have attached a .vtu file here where it shows the concentration distribution on a circular disk when opened with Paraview. The rendering should be in “Color” not “S…

---

## [Help! How create a "depth map" using ParaView (Is it possible)](https://discourse.paraview.org/t/help-how-create-a-depth-map-using-paraview-is-it-possible/738)

<div class="topic-metadata">

**Author:** [@sampleoptions](https://discourse.paraview.org/u/sampleoptions)\
**Replies:** 8\
**Last updated:** [July 22, 2020, 10:03pm UTC](https://discourse.paraview.org/t/help-how-create-a-depth-map-using-paraview-is-it-possible/738 "2020-07-22T22:03:28Z")

</div>

Hello! Is it possible to create а “Depth map” using ParaView? (If you don’t know what is “Depth map”, you can read here = https://en.wikipedia.org/wiki/Depth\_map ) There are no filters in the ParaView that could creat…

---

## [How to blend two point density result](https://discourse.paraview.org/t/how-to-blend-two-point-density-result/4923)

<div class="topic-metadata">

**Author:** [@sharon](https://discourse.paraview.org/u/sharon)\
**Replies:** 0\
**Last updated:** [July 22, 2020, 1:34pm UTC](https://discourse.paraview.org/t/how-to-blend-two-point-density-result/4923 "2020-07-22T13:34:53Z")

</div>

Dear Experts, I have some two point plots, then i use pointDensityFilter to have their density plot. Since this two point plots are two different type, so i want to have a blend visualization result which can show a bl…

---

## [Show different datasets as triangular mesh and glyph type of sphere, respectively.](https://discourse.paraview.org/t/show-different-datasets-as-triangular-mesh-and-glyph-type-of-sphere-respectively/4858)

<div class="topic-metadata">

**Author:** [@rex0707](https://discourse.paraview.org/u/rex0707)\
**Replies:** 6\
**Last updated:** [July 22, 2020, 9:21am UTC](https://discourse.paraview.org/t/show-different-datasets-as-triangular-mesh-and-glyph-type-of-sphere-respectively/4858 "2020-07-22T09:21:46Z")

</div>

Hi all, Recently, I have performed particle simulation and I would like to do post-processing. My question is that I have two datasets, one is for triangular mesh and the other is for particles. I can show glygh of sp…

---

## [Associate of toolbar action with programmable filter](https://discourse.paraview.org/t/associate-of-toolbar-action-with-programmable-filter/4921)

<div class="topic-metadata">

**Author:** [@Alberto](https://discourse.paraview.org/u/Alberto)\
**Replies:** 4\
**Last updated:** [July 22, 2020, 8:57am UTC](https://discourse.paraview.org/t/associate-of-toolbar-action-with-programmable-filter/4921 "2020-07-22T08:57:59Z")

</div>

Good morning, my question is how to associate a toolbar action with a python programmable filter. I already compiled a plugin (.dll) with an xml which initialize a python programmable filter and associate to it a pytho…

---

## [How to visualise 2D plot into 3D plot](https://discourse.paraview.org/t/how-to-visualise-2d-plot-into-3d-plot/4894)

<div class="topic-metadata">

**Author:** [@RAVINA](https://discourse.paraview.org/u/RAVINA)\
**Replies:** 3\
**Last updated:** [July 22, 2020, 8:03am UTC](https://discourse.paraview.org/t/how-to-visualise-2d-plot-into-3d-plot/4894 "2020-07-22T08:03:22Z")

</div>

Hi all, I have this file and want to run in paraview . I got 2D image but I want to plot in 3D . I apply 3D which is in paraview but I want to plot in 3D having all axis . u.pvd (67.2 KB) u001024.vtu (83.5 KB)

---

## [Plugin Auto-Loaded Twice (Maybe)](https://discourse.paraview.org/t/plugin-auto-loaded-twice-maybe/4852)

<div class="topic-metadata">

**Author:** [@theodorebaltis](https://discourse.paraview.org/u/theodorebaltis)\
**Replies:** 7\
**Last updated:** [July 22, 2020, 7:40am UTC](https://discourse.paraview.org/t/plugin-auto-loaded-twice-maybe/4852 "2020-07-22T07:40:19Z")

</div>

I’m using the PV\_PLUGIN\_CONFIG\_FILE environment variable to autoload a Python-based plugin in a custom Linux build of ParaView. Doing so produces two identical entries in the Plugin Manager. Not sure if it’s actually b…

---

## [HDF5 (\*.h5) file reading in ParaView](https://discourse.paraview.org/t/hdf5-h5-file-reading-in-paraview/4864)

<div class="topic-metadata">

**Author:** [@kirit\_101](https://discourse.paraview.org/u/kirit_101)\
**Replies:** 6\
**Last updated:** [July 21, 2020, 8:57pm UTC](https://discourse.paraview.org/t/hdf5-h5-file-reading-in-paraview/4864 "2020-07-21T20:57:10Z")

</div>

Can ParaView read \*.h5 file format ? I was trying in Version 5.8.0-RC2 in my windows machine. From the file type menu, I can see there are several \*.h5 options. I have tried selecting all fo them, looks like no luck. In…

---

## [Colour different sides of a surface different colours](https://discourse.paraview.org/t/colour-different-sides-of-a-surface-different-colours/4900)

<div class="topic-metadata">

**Author:** [@dld](https://discourse.paraview.org/u/dld)\
**Replies:** 2\
**Last updated:** [July 21, 2020, 4:45pm UTC](https://discourse.paraview.org/t/colour-different-sides-of-a-surface-different-colours/4900 "2020-07-21T16:45:00Z")

</div>

Hiya, I have a polygonal mesh (from .vtk polydata), in the shape of something like a cylinder for example. I’d like to colour the inside and the outside of the surface with different solid colours. Is this possible in P…

---

## [Writing vtk file for generating unstructured grid.](https://discourse.paraview.org/t/writing-vtk-file-for-generating-unstructured-grid/4909)

<div class="topic-metadata">

**Author:** [@shriramk9695](https://discourse.paraview.org/u/shriramk9695)\
**Replies:** 2\
**Last updated:** [July 21, 2020, 2:15pm UTC](https://discourse.paraview.org/t/writing-vtk-file-for-generating-unstructured-grid/4909 "2020-07-21T14:15:20Z")

</div>

Hello, I’m fairly new to Paraview and I’m trying to write a vtk file to visualize a grid using the unstructured grid option. Having manually inspected the data the points and connectivity seem to be right but the result…

---

## [Error when loading a .vtu file](https://discourse.paraview.org/t/error-when-loading-a-vtu-file/4891)

<div class="topic-metadata">

**Author:** [@Em\_W](https://discourse.paraview.org/u/Em_W)\
**Replies:** 4\
**Last updated:** [July 21, 2020, 12:50pm UTC](https://discourse.paraview.org/t/error-when-loading-a-vtu-file/4891 "2020-07-21T12:50:25Z")

</div>

Hi, I am new to ParaView and I’m trying to load a .vtu file of a MODFLOW USG grid. The .vtu file was created in python 3.7.6 on a 64 bit windows machine. I have seen references to an issue where ParaView can only read …

---

## [Maybe a MPI problem](https://discourse.paraview.org/t/maybe-a-mpi-problem/4847)

<div class="topic-metadata">

**Author:** [@Jerry](https://discourse.paraview.org/u/Jerry)\
**Replies:** 2\
**Last updated:** [July 21, 2020, 2:29am UTC](https://discourse.paraview.org/t/maybe-a-mpi-problem/4847 "2020-07-21T02:29:07Z")

</div>

I want to make a cluster of paraview so I first put paraview on three virtual machines for test. It works fine when I run command like mpirun -np 8 ./pvserver. But there will be an error when I run command like mpirun …

---

## [How to hide Feature Edges in 2D](https://discourse.paraview.org/t/how-to-hide-feature-edges-in-2d/4893)

<div class="topic-metadata">

**Author:** [@tky](https://discourse.paraview.org/u/tky)\
**Replies:** 2\
**Last updated:** [July 21, 2020, 12:30am UTC](https://discourse.paraview.org/t/how-to-hide-feature-edges-in-2d/4893 "2020-07-21T00:30:01Z")

</div>

Hello, I am displaying the results of the 2D DDM-FEM calculations in ParaView. How can I hide Feature Edges caused by domain segmentation? Thank you very much in advance. Best, tky

---

## [Visualization of time series data using Paraview](https://discourse.paraview.org/t/visualization-of-time-series-data-using-paraview/4831)

<div class="topic-metadata">

**Author:** [@Deepa](https://discourse.paraview.org/u/Deepa)\
**Replies:** 5\
**Last updated:** [July 20, 2020, 8:18pm UTC](https://discourse.paraview.org/t/visualization-of-time-series-data-using-paraview/4831 "2020-07-20T20:18:49Z")

</div>

Hello Everyone, I am following the documentation available here to understand how time-varying scalar data has to be read in Paraview. For instance, I’ve imported the static data of a scalar value with the point coord…

---

## [Set opacity based on distance from camera](https://discourse.paraview.org/t/set-opacity-based-on-distance-from-camera/4814)

<div class="topic-metadata">

**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 7\
**Last updated:** [July 20, 2020, 6:13pm UTC](https://discourse.paraview.org/t/set-opacity-based-on-distance-from-camera/4814 "2020-07-20T18:13:20Z")

</div>

I have a point source, and I want to set the opacity of the individual points based on the distance from the camera view. Is there a way for me to do this? Interactivity would be nice, but even something that allows me t…

[Previous page](https://discourse.paraview.org/c/paraview-support/7.md?page=171)

[Next page](https://discourse.paraview.org/c/paraview-support/7.md?page=173)