# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=157

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

**Page:** 158

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## [Error in making paraview for OpenFOAM.](https://discourse.paraview.org/t/error-in-making-paraview-for-openfoam/6142)

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**Author:** [@jinshah-bs](https://discourse.paraview.org/u/jinshah-bs)\
**Replies:** 1\
**Last updated:** [December 29, 2020, 2:17pm UTC](https://discourse.paraview.org/t/error-in-making-paraview-for-openfoam/6142 "2020-12-29T14:17:11Z")

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With -python option the paraview is compiling fine but showing GREW error in opening the window. Also it seems the graphics is not proper. With -python flag It end up in an error as i shown below. I tried many ways but …

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## [Calculate mean distance from a point to curved line](https://discourse.paraview.org/t/calculate-mean-distance-from-a-point-to-curved-line/6131)

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**Author:** [@sharaborin](https://discourse.paraview.org/u/sharaborin)\
**Replies:** 0\
**Last updated:** [December 28, 2020, 11:22am UTC](https://discourse.paraview.org/t/calculate-mean-distance-from-a-point-to-curved-line/6131 "2020-12-28T11:22:53Z")

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Hello! I have a highly deformed elongated bubble, and I need to calculate the mean radius along with a bubble. For this reason: I extract a surface, take a slice along the bubble (then I have closed curves, the sl…

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## [how to transfer scalar data from Mesh A to Mesh B](https://discourse.paraview.org/t/how-to-transfer-scalar-data-from-mesh-a-to-mesh-b/2100)

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**Author:** [@srouquette](https://discourse.paraview.org/u/srouquette)\
**Replies:** 5\
**Last updated:** [December 28, 2020, 9:00am UTC](https://discourse.paraview.org/t/how-to-transfer-scalar-data-from-mesh-a-to-mesh-b/2100 "2020-12-28T09:00:50Z")

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Hello dear paraview users, i was wondering if it is possible to transfer or interpolate a scalar data from a Mesh A to a different Mesh B? Knowing that Mesh A and B have the same geometry… but different meshgrid! My d…

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## [Deselect a single GPU not to be used when starting Paraview](https://discourse.paraview.org/t/deselect-a-single-gpu-not-to-be-used-when-starting-paraview/6110)

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**Author:** [@XavierStuvw](https://discourse.paraview.org/u/XavierStuvw)\
**Replies:** 8\
**Last updated:** [December 24, 2020, 6:23pm UTC](https://discourse.paraview.org/t/deselect-a-single-gpu-not-to-be-used-when-starting-paraview/6110 "2020-12-24T18:23:48Z")

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Paraview 5.8.1 out of the compiled binaries distributed from the Paraview website works like a breeze in the computer I installed it in. However, at start-up, Paraview launches an application VisRTX and lets it grab all…

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## [VTK Reader](https://discourse.paraview.org/t/vtk-reader/6121)

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**Author:** [@Nimish\_Nazirkar](https://discourse.paraview.org/u/Nimish_Nazirkar)\
**Replies:** 8\
**Last updated:** [December 24, 2020, 3:00pm UTC](https://discourse.paraview.org/t/vtk-reader/6121 "2020-12-24T15:00:06Z")

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Hi, I downloaded the 64-bit Paraview 5.9.0-RC3 from the official site. My software doesn’t contain a Legacy VTK file reader. What can be done to download the same? Or is there any other reader that can read .vtk file…

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## [Querying attribute value within dataset](https://discourse.paraview.org/t/querying-attribute-value-within-dataset/6119)

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**Author:** [@nwood99](https://discourse.paraview.org/u/nwood99)\
**Replies:** 9\
**Last updated:** [December 23, 2020, 8:51pm UTC](https://discourse.paraview.org/t/querying-attribute-value-within-dataset/6119 "2020-12-23T20:51:25Z")

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Hello, I am trying to apply a moving slice filter to my dataset. I wish for the slice plane to move back and forth along the y-axis. This movement is somewhat complicated, so I included the desired origin y-coordinate…

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## [Create two structured surfaces and enclosed volume from point clouds](https://discourse.paraview.org/t/create-two-structured-surfaces-and-enclosed-volume-from-point-clouds/6100)

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**Author:** [@stonebe](https://discourse.paraview.org/u/stonebe)\
**Replies:** 6\
**Last updated:** [December 23, 2020, 4:01pm UTC](https://discourse.paraview.org/t/create-two-structured-surfaces-and-enclosed-volume-from-point-clouds/6100 "2020-12-23T16:01:18Z")

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I have two point clouds imported from a CSV file with 4 columns (k, x, y, z) representing the topography and an underlying layer in the subsurface. The parameter k defines whether a point belongs to the topography (k=1) …

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## [ParaView 5.9.0-RC2 slice always displaying as wireframe](https://discourse.paraview.org/t/paraview-5-9-0-rc2-slice-always-displaying-as-wireframe/6116)

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**Author:** [@nwood99](https://discourse.paraview.org/u/nwood99)\
**Replies:** 2\
**Last updated:** [December 22, 2020, 6:16pm UTC](https://discourse.paraview.org/t/paraview-5-9-0-rc2-slice-always-displaying-as-wireframe/6116 "2020-12-22T18:16:09Z")

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I am having an issue with Paraview 5.9.0-RC2. I am trying to visualize a dataset with several slice filters. However, whenever I implement the filter, the representations “Surface,” “Surface with edges,” and “Wireframe…

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## [ParaView Crash when making selection on large scale vtkMultiBlockDataSet](https://discourse.paraview.org/t/paraview-crash-when-making-selection-on-large-scale-vtkmultiblockdataset/5766)

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**Author:** [@ymjia](https://discourse.paraview.org/u/ymjia)\
**Replies:** 3\
**Last updated:** [December 22, 2020, 9:52am UTC](https://discourse.paraview.org/t/paraview-crash-when-making-selection-on-large-scale-vtkmultiblockdataset/5766 "2020-12-22T09:52:01Z")

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To reprocuce: Open ply list in my uploaded zip file Filters-\> Group Time Step Press ‘D’(for select points on) to select point Click somewhere in the view which shows filter output I have tried to upload file, but some…

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## [Calling Render Seems to Crash pvpython](https://discourse.paraview.org/t/calling-render-seems-to-crash-pvpython/6102)

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**Author:** [@suoarski](https://discourse.paraview.org/u/suoarski)\
**Replies:** 8\
**Last updated:** [December 22, 2020, 9:35am UTC](https://discourse.paraview.org/t/calling-render-seems-to-crash-pvpython/6102 "2020-12-22T09:35:35Z")

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So I have just installed ParaView, and decided to follow the tutorial Introduction to Paraview, on the official documentation for ParaView. Everything works fine, until I open pvpython 5.9.0, and run the following: from…

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## [Render() or Interact() + q make the window unresponsive](https://discourse.paraview.org/t/render-or-interact-q-make-the-window-unresponsive/4673)

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**Author:** [@lukor](https://discourse.paraview.org/u/lukor)\
**Replies:** 1\
**Last updated:** [December 22, 2020, 9:34am UTC](https://discourse.paraview.org/t/render-or-interact-q-make-the-window-unresponsive/4673 "2020-12-22T09:34:11Z")

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I’m using the Python ParaView package (v5.7.0) from within Spyder in Windows, using the built-in iPython console to run my scripts. When I run Interact(), the visualization and interaction works well, but when I quit out…

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## [Discretize the Color legend](https://discourse.paraview.org/t/discretize-the-color-legend/6083)

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**Author:** [@Dinushika1992](https://discourse.paraview.org/u/Dinushika1992)\
**Replies:** 16\
**Last updated:** [December 22, 2020, 5:54am UTC](https://discourse.paraview.org/t/discretize-the-color-legend/6083 "2020-12-22T05:54:43Z")

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Hi, I got this image from Ansys for one of my flow simulation. Here the legend is discretised to 30 colors. But the same contour I got again using Paraview as in the below figure. Now I want to discretize this contou…

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## [Help to convert the cartesian grid/domain to cylindrical grid/domain](https://discourse.paraview.org/t/help-to-convert-the-cartesian-grid-domain-to-cylindrical-grid-domain/6086)

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**Author:** [@proxy](https://discourse.paraview.org/u/proxy)\
**Replies:** 14\
**Last updated:** [December 21, 2020, 2:16pm UTC](https://discourse.paraview.org/t/help-to-convert-the-cartesian-grid-domain-to-cylindrical-grid-domain/6086 "2020-12-21T14:16:16Z")

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Hello All, Is there any easy way to convert the Cartesian grid/domain to cylindrical grid/domain. I have created a Cartesian grid/domain for my simulation, to understand, analyze and compare the flow/data I want to conv…

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## [Absent nodes in 3D Mesh](https://discourse.paraview.org/t/absent-nodes-in-3d-mesh/6099)

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**Author:** [@ksheldon](https://discourse.paraview.org/u/ksheldon)\
**Replies:** 3\
**Last updated:** [December 21, 2020, 2:15pm UTC](https://discourse.paraview.org/t/absent-nodes-in-3d-mesh/6099 "2020-12-21T14:15:11Z")

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I have a 3D structured mesh. The XYZ vertices describe a slightly deformed rectangular prism. (K and Z are parallel. The XY plane at any constant K value may undulate in Z) Here is a sample depicting the XYZ outline a…

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## [Comparing two cases](https://discourse.paraview.org/t/comparing-two-cases/6072)

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**Author:** [@metoman](https://discourse.paraview.org/u/metoman)\
**Replies:** 1\
**Last updated:** [December 18, 2020, 6:09pm UTC](https://discourse.paraview.org/t/comparing-two-cases/6072 "2020-12-18T18:09:17Z")

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Hello everyone, I need to compare two cases Cp distribution by extracting one to another. But when I try to use calculator, two case didn’t seem to get same calculator as variables. I am digging out for some python stuf…

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## [Open VR options not visible in v5.9 on Windows](https://discourse.paraview.org/t/open-vr-options-not-visible-in-v5-9-on-windows/6090)

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**Author:** [@JPBodner](https://discourse.paraview.org/u/JPBodner)\
**Replies:** 5\
**Last updated:** [December 18, 2020, 3:52pm UTC](https://discourse.paraview.org/t/open-vr-options-not-visible-in-v5-9-on-windows/6090 "2020-12-18T15:52:28Z")

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Hi all. I’m new to Paraview so forgive me if this is a obvious question. I’m trying to get PV working with my Rift headset on Windows. I have SteamVR running, and then I load PV (v5.9). My understanding is that O…

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## [writing .vtu file from .txt file using fortran](https://discourse.paraview.org/t/writing-vtu-file-from-txt-file-using-fortran/2630)

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**Author:** [@Shubham\_Belgaonkar](https://discourse.paraview.org/u/Shubham_Belgaonkar)\
**Replies:** 3\
**Last updated:** [December 18, 2020, 2:33pm UTC](https://discourse.paraview.org/t/writing-vtu-file-from-txt-file-using-fortran/2630 "2020-12-18T14:33:15Z")

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I am new to vtk and paraview. I just wanted to know whether there is any library in fortran or code to write .vtu files from ascii file. ascii data : ID - X - Y - Y - R 478020 - 4.842613353612568 - 1.002301828533956 …

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## [save Data of GroupDatasets Filter saves only part of data](https://discourse.paraview.org/t/save-data-of-groupdatasets-filter-saves-only-part-of-data/6087)

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**Author:** [@Terry](https://discourse.paraview.org/u/Terry)\
**Replies:** 0\
**Last updated:** [December 17, 2020, 1:48pm UTC](https://discourse.paraview.org/t/save-data-of-groupdatasets-filter-saves-only-part-of-data/6087 "2020-12-17T13:48:23Z")

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Hi there, I use a GroupDatasets filter on three IntegrateVariables filters with the main goal to save this three filters over time. However it is only saved one of the three filters - the last row shown in SpreadSheetvi…

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## [Help to plot the streaklines from OpenFOAM simulation](https://discourse.paraview.org/t/help-to-plot-the-streaklines-from-openfoam-simulation/6047)

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**Author:** [@proxy](https://discourse.paraview.org/u/proxy)\
**Replies:** 15\
**Last updated:** [December 17, 2020, 9:47am UTC](https://discourse.paraview.org/t/help-to-plot-the-streaklines-from-openfoam-simulation/6047 "2020-12-17T09:47:27Z")

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Hi all, For the couple of weeks I am trying to plot the streaklines from my 3D simulations that I have performed using OpenFOAM. I got the streamlines working, but when ever I am trying to plot the streaklines, and trie…

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## [Setting ports for Singularity image Paraview IndeX Nvidia NGC](https://discourse.paraview.org/t/setting-ports-for-singularity-image-paraview-index-nvidia-ngc/6082)

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**Author:** [@Devin\_Richard\_Bayly](https://discourse.paraview.org/u/Devin_Richard_Bayly)\
**Replies:** 1\
**Last updated:** [December 16, 2020, 10:02pm UTC](https://discourse.paraview.org/t/setting-ports-for-singularity-image-paraview-index-nvidia-ngc/6082 "2020-12-16T22:02:28Z")

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Hello there, I’m trying to use the Paraview Index container https://ngc.nvidia.com/catalog/containers/nvidia-hpcvis:paraview-index, but since my HPC system is in use by many many other individuals the default port 8080 …

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## [Visualize voxel-wise P-value maps with different colors for each voxel depending on its value](https://discourse.paraview.org/t/visualize-voxel-wise-p-value-maps-with-different-colors-for-each-voxel-depending-on-its-value/6077)

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**Author:** [@Junhao\_Wen](https://discourse.paraview.org/u/Junhao_Wen)\
**Replies:** 0\
**Last updated:** [December 16, 2020, 4:30pm UTC](https://discourse.paraview.org/t/visualize-voxel-wise-p-value-maps-with-different-colors-for-each-voxel-depending-on-its-value/6077 "2020-12-16T16:30:15Z")

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Hi, I want to visualize a brain statistical maps (containing only hippocampus regions) in a glass brain template. I can create this by creating mesh files, vtk, and overlay them. However, the vtk file does not contain c…

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## [OSPRay volume rendering slowness](https://discourse.paraview.org/t/ospray-volume-rendering-slowness/6075)

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**Author:** [@mwestphal](https://discourse.paraview.org/u/mwestphal)\
**Replies:** 3\
**Last updated:** [December 16, 2020, 3:55pm UTC](https://discourse.paraview.org/t/ospray-volume-rendering-slowness/6075 "2020-12-16T15:55:35Z")

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@Dave\_DeMarle Using ParaView 5.8.1 and 5.9-RC2, Ospray Volume Rendering mode is slower than Raycast only. Is that expected, is this an issue ?

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## [ParaView use for microscopy image analysis & visualization](https://discourse.paraview.org/t/paraview-use-for-microscopy-image-analysis-visualization/3736)

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**Author:** [@zwei2001](https://discourse.paraview.org/u/zwei2001)\
**Replies:** 2\
**Last updated:** [December 16, 2020, 12:38pm UTC](https://discourse.paraview.org/t/paraview-use-for-microscopy-image-analysis-visualization/3736 "2020-12-16T12:38:28Z")

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Interested to know if ParaView possesses following features. Thanks for your helps GPU for Image Processing? Multithread? Stereo image pairs? Surface rendering? Shadowing casting? VR? Movie recording Ortho slices…

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## [Hierarchical data format in 5.9.0-RC2](https://discourse.paraview.org/t/hierarchical-data-format-in-5-9-0-rc2/6069)

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**Author:** [@gdb](https://discourse.paraview.org/u/gdb)\
**Replies:** 3\
**Last updated:** [December 15, 2020, 7:06pm UTC](https://discourse.paraview.org/t/hierarchical-data-format-in-5-9-0-rc2/6069 "2020-12-15T19:06:22Z")

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We are looking to make use of the new hierarchical data format released with 5.9.0-RC2 in order to increase memory efficiency for volume rendering of 3D Multigrid data. This new feature for volume rendering was mentioned…

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## [FEM data at gauss points](https://discourse.paraview.org/t/fem-data-at-gauss-points/6065)

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**Author:** [@Janikus](https://discourse.paraview.org/u/Janikus)\
**Replies:** 0\
**Last updated:** [December 15, 2020, 1:14pm UTC](https://discourse.paraview.org/t/fem-data-at-gauss-points/6065 "2020-12-15T13:14:52Z")

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Hi all, I have written an FEM - Programm for bilinear quadrilateral Elements for structual analysis. As a preprocessor I am using GMSH, the processor is written in Matlab and I’d like to use ParaView as the postprocesso…

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## [UNSTRUCTURED\_GRID: Points Gaussian OK. But Contour failed.](https://discourse.paraview.org/t/unstructured-grid-points-gaussian-ok-but-contour-failed/6053)

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**Author:** [@Giovanni](https://discourse.paraview.org/u/Giovanni)\
**Replies:** 4\
**Last updated:** [December 14, 2020, 9:40pm UTC](https://discourse.paraview.org/t/unstructured-grid-points-gaussian-ok-but-contour-failed/6053 "2020-12-14T21:40:29Z")

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Can ParaView render an isosurface = 1 from the UNSTRUCTURED\_GRID attached? “Points Gaussian” represents it correctly (screen shot 1). But “Contour” filter fails. Many thanks. STEPS TO REPRODUCE ISSUE: Download UG\_sa…

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## [Building v5.9.0-RC2 on Cray Linux Environment (CLE)](https://discourse.paraview.org/t/building-v5-9-0-rc2-on-cray-linux-environment-cle/5992)

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**Author:** [@ka5855](https://discourse.paraview.org/u/ka5855)\
**Replies:** 16\
**Last updated:** [December 14, 2020, 5:06pm UTC](https://discourse.paraview.org/t/building-v5-9-0-rc2-on-cray-linux-environment-cle/5992 "2020-12-14T17:06:56Z")

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In versions greater than v5.7 we have persistently experienced difficulty doing standard builds (non-superbuilds) on CLE. The main issue appears to be that, so far, our CLE systems have been unable to provide a working …

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## [Calculator Widget appears on 2 toolbars](https://discourse.paraview.org/t/calculator-widget-appears-on-2-toolbars/6054)

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**Author:** [@Lukasz](https://discourse.paraview.org/u/Lukasz)\
**Replies:** 2\
**Last updated:** [December 14, 2020, 3:29pm UTC](https://discourse.paraview.org/t/calculator-widget-appears-on-2-toolbars/6054 "2020-12-14T15:29:57Z")

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Not a big deal but because I can’t find a way to customise toolbar icons I report it. Calculator widget appears on two toolbars:

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## [How to use 'smooth' filter for a Structured (Curvilinear) Grid data](https://discourse.paraview.org/t/how-to-use-smooth-filter-for-a-structured-curvilinear-grid-data/6052)

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**Author:** [@rupak](https://discourse.paraview.org/u/rupak)\
**Replies:** 0\
**Last updated:** [December 14, 2020, 8:04am UTC](https://discourse.paraview.org/t/how-to-use-smooth-filter-for-a-structured-curvilinear-grid-data/6052 "2020-12-14T08:04:30Z")

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I have a Structured (Curvilinear) Grid data (32 X 64 X 20) in the form of a helix. I need to smooth it. Is there any existing filter or any tool to do this?

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## [How to draw subset plot in paraview](https://discourse.paraview.org/t/how-to-draw-subset-plot-in-paraview/5858)

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**Author:** [@qzxuhui](https://discourse.paraview.org/u/qzxuhui)\
**Replies:** 2\
**Last updated:** [December 14, 2020, 3:33am UTC](https://discourse.paraview.org/t/how-to-draw-subset-plot-in-paraview/5858 "2020-12-14T03:33:10Z")

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hello everyone, I am new to paraview. I want to use paraview to draw the subset plot. My data is organized in pvtu format, the parallel unstructured grid vtk data format. I want to draw each set using one color. This i…

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