# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=182

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**Page:** 183

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## [Substantial Memory-use Differences between VTU and Multi-block XDMF2+HDF5](https://discourse.paraview.org/t/substantial-memory-use-differences-between-vtu-and-multi-block-xdmf2-hdf5/4136)

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**Author:** [@jkulesza](https://discourse.paraview.org/u/jkulesza)\
**Replies:** 9\
**Last updated:** [May 5, 2020, 2:03pm UTC](https://discourse.paraview.org/t/substantial-memory-use-differences-between-vtu-and-multi-block-xdmf2-hdf5/4136 "2020-05-05T14:03:53Z")

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I am observing substantial differences in self-reported ParaView memory usage between a single-block VTU file and a multi-block XDMF2+HDF5 file of otherwise identical mesh and data. The VTU file consists of a single blo…

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## [Possible Bug When Using ProgrammableSource with vtkImageData](https://discourse.paraview.org/t/possible-bug-when-using-programmablesource-with-vtkimagedata/4249)

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**Author:** [@rafaelmarch3](https://discourse.paraview.org/u/rafaelmarch3)\
**Replies:** 3\
**Last updated:** [May 5, 2020, 12:19pm UTC](https://discourse.paraview.org/t/possible-bug-when-using-programmablesource-with-vtkimagedata/4249 "2020-05-05T12:19:52Z")

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I’m using ParaView 5.8.0 installed though Miniconda with Python 3.7. I have a very simple “Programmable source” to create an Image as an output: imout = self.GetOutput() imout.SetDimensions(10, 5, 3) imout.SetOrigin(…

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## [Blanked cells do not disappear when creating UniformGrid from python reader plugin](https://discourse.paraview.org/t/blanked-cells-do-not-disappear-when-creating-uniformgrid-from-python-reader-plugin/2960)

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**Author:** [@Simon](https://discourse.paraview.org/u/Simon)\
**Replies:** 2\
**Last updated:** [May 5, 2020, 8:48am UTC](https://discourse.paraview.org/t/blanked-cells-do-not-disappear-when-creating-uniformgrid-from-python-reader-plugin/2960 "2020-05-05T08:48:54Z")

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Hello, I’m trying to implement a simple python plugin reader that loads a uniform grid with blanked cells. For testing purpose I’m creating a dummy grid source and blank half the cells with vtkUniformGird.BlankCell() c…

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## [streamline terminated at zone boundaries in "AMR" unstructured data](https://discourse.paraview.org/t/streamline-terminated-at-zone-boundaries-in-amr-unstructured-data/4254)

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**Author:** [@liangwang0734](https://discourse.paraview.org/u/liangwang0734)\
**Replies:** 0\
**Last updated:** [May 5, 2020, 3:39am UTC](https://discourse.paraview.org/t/streamline-terminated-at-zone-boundaries-in-amr-unstructured-data/4254 "2020-05-05T03:39:34Z")

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Hi, I have a data file from an AMR simulation stored as an unstructured Hexahedron mesh xdmf + h5 files. When I do streamline tracing, the streamline terminates at boundaries of different zones with different resolutions…

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## [Wedge-shaped clip](https://discourse.paraview.org/t/wedge-shaped-clip/4158)

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**Author:** [@Patrick\_Xian](https://discourse.paraview.org/u/Patrick_Xian)\
**Replies:** 13\
**Last updated:** [May 4, 2020, 10:55pm UTC](https://discourse.paraview.org/t/wedge-shaped-clip/4158 "2020-05-04T22:55:24Z")

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Is it possible to adjust the angular range of the cylindrical or spherical clip region directly in ParaView? I wish to create a visualization like the cheese wheel with a wedge cut out to reveal the inside. For a sing…

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## [Make successful but not make install](https://discourse.paraview.org/t/make-successful-but-not-make-install/4251)

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**Author:** [@dutta-alankar](https://discourse.paraview.org/u/dutta-alankar)\
**Replies:** 0\
**Last updated:** [May 4, 2020, 9:22pm UTC](https://discourse.paraview.org/t/make-successful-but-not-make-install/4251 "2020-05-04T21:22:37Z")

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Hi, I was trying to build Paraview-5.7 for my Cray XC40 with Nvidia IndeX plugin support. I was able to successfully make it from superbuild and run Paraview in install/bin/pvserver after fixing a linking issue on libcu…

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## [Converting vti to pvti files](https://discourse.paraview.org/t/converting-vti-to-pvti-files/4244)

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**Author:** [@Patrick\_Xian](https://discourse.paraview.org/u/Patrick_Xian)\
**Replies:** 8\
**Last updated:** [May 4, 2020, 7:36pm UTC](https://discourse.paraview.org/t/converting-vti-to-pvti-files/4244 "2020-05-04T19:36:21Z")

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Is there an example to convert vti to pvti format? It’s tough to do slicing or clipping, etc. on vti files larger than 1GB (despite having GPU and multiple cores), so maybe converting to pvti is a good way to speed thin…

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## [Nvidia Index Volume rendering not showing although installed](https://discourse.paraview.org/t/nvidia-index-volume-rendering-not-showing-although-installed/4231)

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**Author:** [@dutta-alankar](https://discourse.paraview.org/u/dutta-alankar)\
**Replies:** 4\
**Last updated:** [May 1, 2020, 3:38pm UTC](https://discourse.paraview.org/t/nvidia-index-volume-rendering-not-showing-although-installed/4231 "2020-05-01T15:38:00Z")

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Hi, I have successfully installed and tested Nvidia Index volume rendering plugin with a sample wavelet source. I now want to use it for visualizing outputs of my fluid simulations (finite volume code with cell centered…

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## [Make source a VTK object?](https://discourse.paraview.org/t/make-source-a-vtk-object/4208)

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**Author:** [@yw5aj](https://discourse.paraview.org/u/yw5aj)\
**Replies:** 1\
**Last updated:** [May 1, 2020, 10:58am UTC](https://discourse.paraview.org/t/make-source-a-vtk-object/4208 "2020-05-01T10:58:39Z")

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I know that in programmable filters, I can get the input in the scene easily by using self.GetInputDataObject(0, ). It is already a vtkPolyData object. When I tried to troubleshoot, I am trying to first locate a source …

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## [Generate Continuous Data Representation from the Output of a Programmable Filter](https://discourse.paraview.org/t/generate-continuous-data-representation-from-the-output-of-a-programmable-filter/4219)

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**Author:** [@Patol75](https://discourse.paraview.org/u/Patol75)\
**Replies:** 0\
**Last updated:** [April 29, 2020, 12:51pm UTC](https://discourse.paraview.org/t/generate-continuous-data-representation-from-the-output-of-a-programmable-filter/4219 "2020-04-29T12:51:06Z")

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Dear ParaView community, I am using ParaView 5.8.0 to post-process some data generated through a fluid dynamics numerical framework. I have a set of paired pvtu and h5part outputs, the first pair corresponding to the in…

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## [Displaying the corresponding value as the file changes during animation](https://discourse.paraview.org/t/displaying-the-corresponding-value-as-the-file-changes-during-animation/4044)

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**Author:** [@Samanvith\_A](https://discourse.paraview.org/u/Samanvith_A)\
**Replies:** 12\
**Last updated:** [April 30, 2020, 8:08am UTC](https://discourse.paraview.org/t/displaying-the-corresponding-value-as-the-file-changes-during-animation/4044 "2020-04-30T08:08:34Z")

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I have a set of 15 vtk files. Each vtk file represents data at a given redshift " z ". I want to create the animation of the given vtk files. i.e animation playing 15 vtk files But during the animation, as the file cha…

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## [Nvidia Index error on EGL build](https://discourse.paraview.org/t/nvidia-index-error-on-egl-build/4211)

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**Author:** [@nopech](https://discourse.paraview.org/u/nopech)\
**Replies:** 1\
**Last updated:** [April 29, 2020, 8:36pm UTC](https://discourse.paraview.org/t/nvidia-index-error-on-egl-build/4211 "2020-04-29T20:36:04Z")

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Hello everyone I built ParaView v5.7 with the superbuild, EGL, cuda and mpi enabled for a cluster with V100 GPUs. For now it should just run on one node with one V100. When I connect to ParaView with a client and creat…

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## [Can I access toolbar instance from other code in its plugin?](https://discourse.paraview.org/t/can-i-access-toolbar-instance-from-other-code-in-its-plugin/4222)

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**Author:** [@johnt](https://discourse.paraview.org/u/johnt)\
**Replies:** 2\
**Last updated:** [April 29, 2020, 7:06pm UTC](https://discourse.paraview.org/t/can-i-access-toolbar-instance-from-other-code-in-its-plugin/4222 "2020-04-29T19:06:15Z")

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I have a plugin that creates a toolbar using the cmake function paraview\_plugin\_add\_toolbar(). Is there a way that other code in my plugin can access and call methods on the toolbar instance that gets created by paraview…

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## [Isosurface ELF visualization](https://discourse.paraview.org/t/isosurface-elf-visualization/4163)

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**Author:** [@aitouna](https://discourse.paraview.org/u/aitouna)\
**Replies:** 8\
**Last updated:** [April 29, 2020, 6:17pm UTC](https://discourse.paraview.org/t/isosurface-elf-visualization/4163 "2020-04-29T18:17:37Z")

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Hello everybody, this is my first topic, I’m a PhD student in computational chemistry, i would like to visualize the isosurface of the Electron Localization Function (ELF) using Paraview software, but i didn’t succeed. …

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## [How to - paraview](https://discourse.paraview.org/t/how-to-paraview/4215)

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**Author:** [@Aliona](https://discourse.paraview.org/u/Aliona)\
**Replies:** 1\
**Last updated:** [April 29, 2020, 5:13pm UTC](https://discourse.paraview.org/t/how-to-paraview/4215 "2020-04-29T17:13:23Z")

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Hello, I’m a student and learning how to work with ParaView. Maybe there is someone who can help me with the task “Make a color pressure field with black insolines on a plane grid” I did a lot of research and nothing rea…

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## [Add Basemap to a 3D voxel](https://discourse.paraview.org/t/add-basemap-to-a-3d-voxel/1592)

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**Author:** [@fanfan](https://discourse.paraview.org/u/fanfan)\
**Replies:** 7\
**Last updated:** [April 29, 2020, 3:52pm UTC](https://discourse.paraview.org/t/add-basemap-to-a-3d-voxel/1592 "2020-04-29T15:52:36Z")

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Hi, How can a basemap, or an aerial photo be added to a 3D Voxel? thanks, F

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## [Auto/Cross correlation techniques on 2D dataset](https://discourse.paraview.org/t/auto-cross-correlation-techniques-on-2d-dataset/4220)

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**Author:** [@physahel](https://discourse.paraview.org/u/physahel)\
**Replies:** 0\
**Last updated:** [April 29, 2020, 12:57pm UTC](https://discourse.paraview.org/t/auto-cross-correlation-techniques-on-2d-dataset/4220 "2020-04-29T12:57:04Z")

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Hi there, Currently, I am trying to find the periodic nature of a physical variable which has certain dynamics. To get the periodicity, I am trying to use auto/cross-correlation technique on 2D spatial data. Can you ple…

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## [How to rescale in color map editor](https://discourse.paraview.org/t/how-to-rescale-in-color-map-editor/4203)

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**Author:** [@Vaya\_Putra](https://discourse.paraview.org/u/Vaya_Putra)\
**Replies:** 2\
**Last updated:** [April 29, 2020, 3:31am UTC](https://discourse.paraview.org/t/how-to-rescale-in-color-map-editor/4203 "2020-04-29T03:31:24Z")

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Dear all I am confused how to rescale my output used color map editor. I have smooth changes data from 0.99730 - 1 but in visualize paraview It scale shown 1 - 1. even though I changed but always update with default s…

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## [Paraview 5.8 Windows 10 Display issues](https://discourse.paraview.org/t/paraview-5-8-windows-10-display-issues/3675)

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**Author:** [@dbourn](https://discourse.paraview.org/u/dbourn)\
**Replies:** 11\
**Last updated:** [April 29, 2020, 1:11am UTC](https://discourse.paraview.org/t/paraview-5-8-windows-10-display-issues/3675 "2020-04-29T01:11:35Z")

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Hi, New user here. I am running Paraview 5.8.0 on Windows 10 Pro and have the following problem. Everything looks good at first I have a geometry and results that I can display on open (see first picture). If I click…

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## [Animating 3D Volume](https://discourse.paraview.org/t/animating-3d-volume/4067)

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**Author:** [@ep513140](https://discourse.paraview.org/u/ep513140)\
**Replies:** 23\
**Last updated:** [April 29, 2020, 12:42am UTC](https://discourse.paraview.org/t/animating-3d-volume/4067 "2020-04-29T00:42:46Z")

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I loaded a 3D volume which has 61 time steps and 47 Z-slices per time step. However, when this is loaded it is just loaded as a really long rectangular prism with all of the data displayed and no time steps are found. Is…

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## [Volume of liquid of multiple threshold regions](https://discourse.paraview.org/t/volume-of-liquid-of-multiple-threshold-regions/4197)

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**Author:** [@carl](https://discourse.paraview.org/u/carl)\
**Replies:** 2\
**Last updated:** [April 28, 2020, 2:31pm UTC](https://discourse.paraview.org/t/volume-of-liquid-of-multiple-threshold-regions/4197 "2020-04-28T14:31:03Z")

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Hi, I’m have a simulation and would like to output the volume of liquid (fraction liquid scalar x cell volume) for multiple threshold defined regions using paraview. Is this possible? I can find the total volume of the…

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## [Compilation fails with intel compiler on MacOS 10.15.4](https://discourse.paraview.org/t/compilation-fails-with-intel-compiler-on-macos-10-15-4/4193)

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**Author:** [@bknaepen](https://discourse.paraview.org/u/bknaepen)\
**Replies:** 2\
**Last updated:** [April 28, 2020, 12:48pm UTC](https://discourse.paraview.org/t/compilation-fails-with-intel-compiler-on-macos-10-15-4/4193 "2020-04-28T12:48:07Z")

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Hello, I am trying to compile the CATALYST\_RENDERING edition of paraview on my Mac but it fails with the following error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v…

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## [Iso-contour encapsulated regions](https://discourse.paraview.org/t/iso-contour-encapsulated-regions/4196)

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**Author:** [@carl](https://discourse.paraview.org/u/carl)\
**Replies:** 2\
**Last updated:** [April 28, 2020, 3:50am UTC](https://discourse.paraview.org/t/iso-contour-encapsulated-regions/4196 "2020-04-28T03:50:41Z")

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I am using openFoam CFD package and want to be able to post process the data to give me the regions which have been encapsulated by a user defined iso-contour. Is this possible in paraView? Simplified 2D Example (Note t…

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## [Weird display resolution](https://discourse.paraview.org/t/weird-display-resolution/3035)

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**Author:** [@K-Wone](https://discourse.paraview.org/u/K-Wone)\
**Replies:** 6\
**Last updated:** [April 28, 2020, 3:50am UTC](https://discourse.paraview.org/t/weird-display-resolution/3035 "2020-04-28T03:50:16Z")

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Description The display resolution of the GUI changed when I was following up the official tutorial to load and render an ex2 file named disk\_out\_ref.ex2. Every time I hit the Apply button, things goes weired. Elements…

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## [Issues with resolution Hp 840 G3 elitebook](https://discourse.paraview.org/t/issues-with-resolution-hp-840-g3-elitebook/4191)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 0\
**Last updated:** [April 27, 2020, 2:55pm UTC](https://discourse.paraview.org/t/issues-with-resolution-hp-840-g3-elitebook/4191 "2020-04-27T14:55:59Z")

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(topic withdrawn by author, will be automatically deleted in 24 hours unless flagged)

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## [Access to data read by legacyVTKreader in Paraview](https://discourse.paraview.org/t/access-to-data-read-by-legacyvtkreader-in-paraview/4125)

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**Author:** [@leoncwu](https://discourse.paraview.org/u/leoncwu)\
**Replies:** 3\
**Last updated:** [April 27, 2020, 3:06pm UTC](https://discourse.paraview.org/t/access-to-data-read-by-legacyvtkreader-in-paraview/4125 "2020-04-27T15:06:03Z")

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In the Paraview Information panel as shown in the screenshot below: I can see the general information and data for the given data set. I hope to explore and print the values (coordinates/scalar/vector variable values)…

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## [Paraview Catalyst: co-processing visualization window cannot be launched](https://discourse.paraview.org/t/paraview-catalyst-co-processing-visualization-window-cannot-be-launched/3989)

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**Author:** [@leoncwu](https://discourse.paraview.org/u/leoncwu)\
**Replies:** 16\
**Last updated:** [April 27, 2020, 3:03pm UTC](https://discourse.paraview.org/t/paraview-catalyst-co-processing-visualization-window-cannot-be-launched/3989 "2020-04-27T15:03:57Z")

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Hi, I am trying to use Catalyst to visualize my on-going simulation concurrently. I am in the process of recovering a sample test found in the source code. I was able to launch the run successfully, but the Paraview visu…

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## [Phase Colours Not visible](https://discourse.paraview.org/t/phase-colours-not-visible/4154)

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**Author:** [@Ankur\_Gurjar](https://discourse.paraview.org/u/Ankur_Gurjar)\
**Replies:** 6\
**Last updated:** [April 27, 2020, 5:42am UTC](https://discourse.paraview.org/t/phase-colours-not-visible/4154 "2020-04-27T05:42:21Z")

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Hello All, I’m visualising 3 phase grain microstructures generated using dream 3d software.I want to visualise the 3 phases and their distribution in the imported .xdmf file which I’m opening with PV 4.2. As can be see…

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## [Choose dataset properties in PropertiesPanel](https://discourse.paraview.org/t/choose-dataset-properties-in-propertiespanel/4181)

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**Author:** [@Yoshino](https://discourse.paraview.org/u/Yoshino)\
**Replies:** 1\
**Last updated:** [April 27, 2020, 2:51am UTC](https://discourse.paraview.org/t/choose-dataset-properties-in-propertiespanel/4181 "2020-04-27T02:51:21Z")

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I noticed that some kind of datasets have multiple properties listed in Variables panel. E.g. paraview example can.ex2: and I’m able to choose a subset to load before clicking the Apply button. I also want my dataset…

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## [pvpython script to convert binary Legacy VTK file to some compressed version to reduce file size](https://discourse.paraview.org/t/pvpython-script-to-convert-binary-legacy-vtk-file-to-some-compressed-version-to-reduce-file-size/3595)

<div class="topic-metadata">

**Author:** [@vrkssai](https://discourse.paraview.org/u/vrkssai)\
**Replies:** 9\
**Last updated:** [April 27, 2020, 2:28am UTC](https://discourse.paraview.org/t/pvpython-script-to-convert-binary-legacy-vtk-file-to-some-compressed-version-to-reduce-file-size/3595 "2020-04-27T02:28:11Z")

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I’m looking for a simple script options like: from paraview.simple import \* r = LegacyVTKReader( FileNames=\['Yourfilename.vtk'\] ) SaveData('Yourfilename\_binary.vtk', proxy=r) used from: https://stackoverflow.com/a/5820…

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