# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=63

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

**Page:** 64

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## [Node Editor wwith custom nodes](https://discourse.paraview.org/t/node-editor-wwith-custom-nodes/13097)

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**Author:** [@Andrew\_Davis](https://discourse.paraview.org/u/Andrew_Davis)\
**Replies:** 2\
**Last updated:** [October 25, 2023, 2:06pm UTC](https://discourse.paraview.org/t/node-editor-wwith-custom-nodes/13097 "2023-10-25T14:06:07Z")

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Hi, I’m interested in using the ParaView node editor as a custom GUI to produce inputs for some of my software, its not clear to me how I would go about leveraging the work already done. Does anyone have any hints if we …

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## [is this possible to generate the avg value over the line plot?](https://discourse.paraview.org/t/is-this-possible-to-generate-the-avg-value-over-the-line-plot/13065)

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**Author:** [@Chhotelal](https://discourse.paraview.org/u/Chhotelal)\
**Replies:** 5\
**Last updated:** [October 25, 2023, 1:20pm UTC](https://discourse.paraview.org/t/is-this-possible-to-generate-the-avg-value-over-the-line-plot/13065 "2023-10-25T13:20:08Z")

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can I get the average value (one value) of each line plot in para view? I want to create a line spatially like (0.5, 0.10, 0.20, …1) and create a line plot over the line, I want to generate the average value of each spat…

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## [Boundary Missing on OpenVDB](https://discourse.paraview.org/t/boundary-missing-on-openvdb/12930)

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**Author:** [@fashing](https://discourse.paraview.org/u/fashing)\
**Replies:** 11\
**Last updated:** [October 25, 2023, 9:57am UTC](https://discourse.paraview.org/t/boundary-missing-on-openvdb/12930 "2023-10-25T09:57:10Z")

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Hi Paraview, I was testing a tiny structure and found something weird. This cube.vdb is a 3x3 cube with all values set as 1 while the center set as 0. \[\[\[1, 1, 1\], \[1, 1, 1\], \[1, 1, 1\]\] \[\[1, 1, 1\], \[1, 0, 1\], \[1, 1,…

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## [Clipping based on .stl or .obj file](https://discourse.paraview.org/t/clipping-based-on-stl-or-obj-file/11735)

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**Author:** [@HiAeroCycling](https://discourse.paraview.org/u/HiAeroCycling)\
**Replies:** 7\
**Last updated:** [October 25, 2023, 12:10am UTC](https://discourse.paraview.org/t/clipping-based-on-stl-or-obj-file/11735 "2023-10-25T00:10:39Z")

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Hi, Relatively new to ParaView. Looks like a quite simple operation, but cannot get it working. I have results from openFoam and would like to Clip using a closed (watertight) .obj or .stl file. Is this possible? Thx,…

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## [Support in clipping 3D obj](https://discourse.paraview.org/t/support-in-clipping-3d-obj/13085)

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**Author:** [@Chm](https://discourse.paraview.org/u/Chm)\
**Replies:** 2\
**Last updated:** [October 24, 2023, 3:49pm UTC](https://discourse.paraview.org/t/support-in-clipping-3d-obj/13085 "2023-10-24T15:49:42Z")

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Dear Team, I need to cut only the part which starts inside the red circle and ends in the yellow line. How can i achieve that ? Thanks a lot

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## [Interactive selection of cells based on ParaView generated parameters](https://discourse.paraview.org/t/interactive-selection-of-cells-based-on-paraview-generated-parameters/13059)

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**Author:** [@praneeth](https://discourse.paraview.org/u/praneeth)\
**Replies:** 3\
**Last updated:** [October 24, 2023, 11:26am UTC](https://discourse.paraview.org/t/interactive-selection-of-cells-based-on-paraview-generated-parameters/13059 "2023-10-24T11:26:48Z")

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Hi all, I am still new to ParaView and this issue I have did not appear in previous threads so I thought to raise a new one. A few days ago I asked a question about using ParaView GUI to identify faces of a given geome…

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## [Paraview can't read vtk files](https://discourse.paraview.org/t/paraview-cant-read-vtk-files/9087)

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**Author:** [@Aldrich\_C](https://discourse.paraview.org/u/Aldrich_C)\
**Replies:** 5\
**Last updated:** [October 24, 2023, 7:36am UTC](https://discourse.paraview.org/t/paraview-cant-read-vtk-files/9087 "2023-10-24T07:36:20Z")

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Paraview 5.10.0 can’t seem to open my vtk files from Liggghts. I tried to used plugin but it says the specified module could not be found. What should I do? I’ve attached my code below for reference. inputt.txt (6.5 KB) …

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## [Unpredictable behavior of paraview-lite](https://discourse.paraview.org/t/unpredictable-behavior-of-paraview-lite/13067)

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**Author:** [@fashing](https://discourse.paraview.org/u/fashing)\
**Replies:** 3\
**Last updated:** [October 24, 2023, 6:01am UTC](https://discourse.paraview.org/t/unpredictable-behavior-of-paraview-lite/13067 "2023-10-24T06:01:02Z")

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Hi Paraview, I would like to share my weird experience since I have no clue about it. I have some volume data that stored the signed distance value and would be visualized by the contour filter. Some of the arrays have…

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## [collasp when reading .vtu files](https://discourse.paraview.org/t/collasp-when-reading-vtu-files/13084)

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**Author:** [@Maozhu\_Peng](https://discourse.paraview.org/u/Maozhu_Peng)\
**Replies:** 5\
**Last updated:** [October 23, 2023, 3:30pm UTC](https://discourse.paraview.org/t/collasp-when-reading-vtu-files/13084 "2023-10-23T15:30:48Z")

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1E.vtu (982 Bytes) 2E.vtu (1.1 KB) Hi, When I tried to read the “2E.vtu” file using paraview, the software stoped responding and shutted down. But when I tried to read the same file using Tecplot, everthing went fine.…

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## [Looking for example RGB(A) volume data](https://discourse.paraview.org/t/looking-for-example-rgb-a-volume-data/12951)

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**Author:** [@wsherman](https://discourse.paraview.org/u/wsherman)\
**Replies:** 13\
**Last updated:** [October 23, 2023, 3:19pm UTC](https://discourse.paraview.org/t/looking-for-example-rgb-a-volume-data/12951 "2023-10-23T15:19:23Z")

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Hello, I have some RGB color data in as a TIFF stack that I will be visualizing in ParaView, once I figure out how to get the data properly imported. So my primary task is to figure out what VTK format to use (and perh…

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## [Using python calculator](https://discourse.paraview.org/t/using-python-calculator/13082)

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**Author:** [@christin-k](https://discourse.paraview.org/u/christin-k)\
**Replies:** 1\
**Last updated:** [October 23, 2023, 12:11pm UTC](https://discourse.paraview.org/t/using-python-calculator/13082 "2023-10-23T12:11:17Z")

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Hello Rui, hello Mathieu, thank you for sharing the answers to the question. I am currently with the same issue. I tried using the Python Calculator to solve this problem. One dataset is a time averaged LES simulation…

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## [Difference between input flow rate and result flow rate](https://discourse.paraview.org/t/difference-between-input-flow-rate-and-result-flow-rate/13046)

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**Author:** [@hyeonwoo](https://discourse.paraview.org/u/hyeonwoo)\
**Replies:** 1\
**Last updated:** [October 23, 2023, 11:28am UTC](https://discourse.paraview.org/t/difference-between-input-flow-rate-and-result-flow-rate/13046 "2023-10-23T11:28:30Z")

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The peak value of the input flow rate and the resulting flow rate. Through Paraview, we checked whether the input flow rate matches the result flow rate. However, we saw a 2% decrease in the flow rate. Is the…

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## [Is it possible to create data "on the fly" with the python API?](https://discourse.paraview.org/t/is-it-possible-to-create-data-on-the-fly-with-the-python-api/13055)

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**Author:** [@Davide](https://discourse.paraview.org/u/Davide)\
**Replies:** 4\
**Last updated:** [October 23, 2023, 10:06am UTC](https://discourse.paraview.org/t/is-it-possible-to-create-data-on-the-fly-with-the-python-api/13055 "2023-10-23T10:06:53Z")

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Suppose that I have a piece of code (in python) that generates some data. For the sake of the argument, let’s assume is something like a 3D version of the Mandelbrot set. Let’s also assume that I can compute batches of t…

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## [3D Text Labels from CSV file](https://discourse.paraview.org/t/3d-text-labels-from-csv-file/13051)

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**Author:** [@dragos](https://discourse.paraview.org/u/dragos)\
**Replies:** 1\
**Last updated:** [October 23, 2023, 9:51am UTC](https://discourse.paraview.org/t/3d-text-labels-from-csv-file/13051 "2023-10-23T09:51:53Z")

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Hi, I have a CSV file with 4 columns: X, Y, Z, ID which contains several point coordinates (x,y,z) plus the point ID. I would like to use the information from the CSV file to print 3D Text labels at the corresponding …

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## [toggle file sequence grouping setted in settings](https://discourse.paraview.org/t/toggle-file-sequence-grouping-setted-in-settings/13060)

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**Author:** [@Eloise](https://discourse.paraview.org/u/Eloise)\
**Replies:** 1\
**Last updated:** [October 23, 2023, 9:48am UTC](https://discourse.paraview.org/t/toggle-file-sequence-grouping-setted-in-settings/13060 "2023-10-23T09:48:11Z")

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Hello, There is a new button in the openfile dialog, named “toggle file sequence grouping”, which enable to choose to see files like s1 s2 s3 s4… grouped or not. I want to create a Paraview-Sites-Settings.json with thi…

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## [Creating paths for particles from Acutrace/HyperWorks CFD (Particle Tracing)](https://discourse.paraview.org/t/creating-paths-for-particles-from-acutrace-hyperworks-cfd-particle-tracing/12816)

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**Author:** [@Bkubera](https://discourse.paraview.org/u/Bkubera)\
**Replies:** 4\
**Last updated:** [October 23, 2023, 8:32am UTC](https://discourse.paraview.org/t/creating-paths-for-particles-from-acutrace-hyperworks-cfd-particle-tracing/12816 "2023-10-23T08:32:14Z")

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Hello, I used build-in particle tracing w HyperWorks CFD from which I got ensight file static\_mixer.trace.case. It gives me position of predefined particles at every time step and now I would like to see the paths of eac…

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## [pvserver crashes when calling PipelineContextMenu](https://discourse.paraview.org/t/pvserver-crashes-when-calling-pipelinecontextmenu/13068)

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**Author:** [@mahb](https://discourse.paraview.org/u/mahb)\
**Replies:** 2\
**Last updated:** [October 23, 2023, 7:39am UTC](https://discourse.paraview.org/t/pvserver-crashes-when-calling-pipelinecontextmenu/13068 "2023-10-23T07:39:31Z")

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1，run program on 2 pvserver； 2，then user client to connect pvserver， 3，open large datas to read 4，use right botton of mouse to call context menu，pvserver crashes，the flowing is stack Stack trace: 43 0x40…

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## [NVIDIA Index issues ParaView 5.11.2 EGL](https://discourse.paraview.org/t/nvidia-index-issues-paraview-5-11-2-egl/13048)

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**Author:** [@absrocks](https://discourse.paraview.org/u/absrocks)\
**Replies:** 2\
**Last updated:** [October 19, 2023, 3:31pm UTC](https://discourse.paraview.org/t/nvidia-index-issues-paraview-5-11-2-egl/13048 "2023-10-19T15:31:37Z")

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Hi, I installed the ParaView Server for Headless Machines on the cluster and enabled the pvNVIDIA Index filter, but when I connected my data and selected NVIDIA INDEX representation, I got the following error. Our clust…

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## [Error "Incorrect Dimensionality" after open \*.raw file](https://discourse.paraview.org/t/error-incorrect-dimensionality-after-open-raw-file/13064)

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**Author:** [@kkw](https://discourse.paraview.org/u/kkw)\
**Replies:** 0\
**Last updated:** [October 19, 2023, 10:18am UTC](https://discourse.paraview.org/t/error-incorrect-dimensionality-after-open-raw-file/13064 "2023-10-19T10:18:53Z")

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Hi there, I got this kind of messages below after open \*.raw file. ERROR: In vtkPVImageSliceMapper.cxx, line 238 vtkPVImageSliceMapper (0000022027298BB0): Incorrect dimensionality. Anyone know how to solve this problem…

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## [How to create a collection of blocks (multi block) based on connectivity](https://discourse.paraview.org/t/how-to-create-a-collection-of-blocks-multi-block-based-on-connectivity/9124)

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**Author:** [@Fotos\_Stylianou](https://discourse.paraview.org/u/Fotos_Stylianou)\
**Replies:** 6\
**Last updated:** [October 18, 2023, 8:11pm UTC](https://discourse.paraview.org/t/how-to-create-a-collection-of-blocks-multi-block-based-on-connectivity/9124 "2023-10-18T20:11:58Z")

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Hi all, I got a vtp file which probably contains a set of stl files (topologically not connected). I use the connectivity filter to get the region ids as you can see from the image. Is there a way to create a collectio…

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## [MPI version superior](https://discourse.paraview.org/t/mpi-version-superior/9954)

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**Author:** [@ksugahar](https://discourse.paraview.org/u/ksugahar)\
**Replies:** 2\
**Last updated:** [October 18, 2023, 4:38pm UTC](https://discourse.paraview.org/t/mpi-version-superior/9954 "2023-10-18T16:38:34Z")

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I am new to Paraview. When I download the binary files from the site, I see MPI versions. Basically, I believe that the MPI version is superior and no reason not to use the MPI version. Would you show me what kind of …

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## [Induced Drag Calculation in ParaView](https://discourse.paraview.org/t/induced-drag-calculation-in-paraview/13052)

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**Author:** [@mdenton](https://discourse.paraview.org/u/mdenton)\
**Replies:** 0\
**Last updated:** [October 17, 2023, 4:38am UTC](https://discourse.paraview.org/t/induced-drag-calculation-in-paraview/13052 "2023-10-17T04:38:46Z")

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Hello! I am a new ParaView user trying to figure out how to calculate induced drag on a wing section attached to the wind tunnel wall based on the results of FreeCAD OpenFoam CFD analysis. I have no problems calculatin…

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## [Group / Select multiple cells as a single cell VTK\_UNSTRUCTURED\_GRID](https://discourse.paraview.org/t/group-select-multiple-cells-as-a-single-cell-vtk-unstructured-grid/13047)

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**Author:** [@anshakeel](https://discourse.paraview.org/u/anshakeel)\
**Replies:** 4\
**Last updated:** [October 16, 2023, 5:55pm UTC](https://discourse.paraview.org/t/group-select-multiple-cells-as-a-single-cell-vtk-unstructured-grid/13047 "2023-10-16T17:55:27Z")

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Hello, Is there any way to group all the cells of a source as a single cell and use it in VtkUnstructuredGrid? I’m more focused on Non-linear shapes like curved cylinders and straight cylinders. I have tried to explain …

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## [XDMF writer with the option mesh static over time](https://discourse.paraview.org/t/xdmf-writer-with-the-option-mesh-static-over-time/12837)

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**Author:** [@Ryan90](https://discourse.paraview.org/u/Ryan90)\
**Replies:** 4\
**Last updated:** [October 16, 2023, 5:52pm UTC](https://discourse.paraview.org/t/xdmf-writer-with-the-option-mesh-static-over-time/12837 "2023-10-16T17:52:43Z")

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I am trying to write all my simulation data into an XDMF archive. The problem is that the option to write the mesh only once “mesh static over time”. As I am using ParaView on a cluster, I can compile it again or use spa…

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## [ParaView XR Interface Collaboration](https://discourse.paraview.org/t/paraview-xr-interface-collaboration/13015)

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**Author:** [@hasraz](https://discourse.paraview.org/u/hasraz)\
**Replies:** 6\
**Last updated:** [October 16, 2023, 5:43pm UTC](https://discourse.paraview.org/t/paraview-xr-interface-collaboration/13015 "2023-10-16T17:43:19Z")

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How can I use the ParaView XR collaboration? I tried using pvserver.exe which worked with ParaView GUI Clients but does not seem to work with the collaboration in the XR plugin widget.

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## [GPU selection / use in ParaView 5.11.0 with EGL support](https://discourse.paraview.org/t/gpu-selection-use-in-paraview-5-11-0-with-egl-support/12974)

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**Author:** [@jgrime](https://discourse.paraview.org/u/jgrime)\
**Replies:** 6\
**Last updated:** [October 16, 2023, 2:10pm UTC](https://discourse.paraview.org/t/gpu-selection-use-in-paraview-5-11-0-with-egl-support/12974 "2023-10-16T14:10:14Z")

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I’m trying to control the GPU use when ParaView is operating in server mode. The node I’m running pvserver on has two P100 GPUs, as indicated by nvidia-smi: +-------------------------------------------------------------…

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## [Extract data from vtu to excel](https://discourse.paraview.org/t/extract-data-from-vtu-to-excel/13045)

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**Author:** [@Chhotelal](https://discourse.paraview.org/u/Chhotelal)\
**Replies:** 0\
**Last updated:** [October 16, 2023, 7:11am UTC](https://discourse.paraview.org/t/extract-data-from-vtu-to-excel/13045 "2023-10-16T07:11:48Z")

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Hello Expert, I want to extract data from the VTU file (attached) in the csv file I tried to write a Python script (attached) to read my VTU file, like storing all the results, so I can do some analysis. I found the d…

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## [paraview for ci and specific compilatin flag](https://discourse.paraview.org/t/paraview-for-ci-and-specific-compilatin-flag/13039)

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**Author:** [@untereiner](https://discourse.paraview.org/u/untereiner)\
**Replies:** 2\
**Last updated:** [October 16, 2023, 6:49am UTC](https://discourse.paraview.org/t/paraview-for-ci-and-specific-compilatin-flag/13039 "2023-10-16T06:49:17Z")

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Hello, I am writing a paraview plugin that uses an external library that has it’s own hdf5 version. I think I can compile locally paraview with -DVTK\_MODULE\_USE\_EXTERNAL\_VTK\_hdf5:BOOL=ON -DHDF5\_DIR:PATH=\<mypath\> and the…

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## [possible two object instanciation](https://discourse.paraview.org/t/possible-two-object-instanciation/13040)

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**Author:** [@untereiner](https://discourse.paraview.org/u/untereiner)\
**Replies:** 0\
**Last updated:** [October 13, 2023, 3:54pm UTC](https://discourse.paraview.org/t/possible-two-object-instanciation/13040 "2023-10-13T15:54:47Z")

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Hi, I am adding a filter to paraview and I think the output object is instanciated twice. Here is my little POC: First take the example of a source filter here: https://examples.vtk.org/site/Cxx/Developers/AlgorithmSo…

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## [Is it possible change material properties?](https://discourse.paraview.org/t/is-it-possible-change-material-properties/13025)

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**Author:** [@user2](https://discourse.paraview.org/u/user2)\
**Replies:** 3\
**Last updated:** [October 13, 2023, 1:44pm UTC](https://discourse.paraview.org/t/is-it-possible-change-material-properties/13025 "2023-10-13T13:44:44Z")

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I am relatively new to ParaView and wondered if it is possible to change material properties, like the density of a material or the dielectric constants or something like that. Thank you in advance!

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