# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=8

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

**Page:** 9

---

## [clean ram memory after deleting source filter](https://discourse.paraview.org/t/clean-ram-memory-after-deleting-source-filter/17318)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 21\
**Last updated:** [November 26, 2025, 12:35pm UTC](https://discourse.paraview.org/t/clean-ram-memory-after-deleting-source-filter/17318 "2025-11-26T12:35:25Z")

</div>

Hello, I am creating and deleting several filters and I thought I notice ‘memory leakage’ in paraview when creating a filter, and then deleting it. but now I am for sure experiencing it, my ram is enought to open one ti…

---

## [crashing when using clip over Image (Uniform Rectilinear Grid)](https://discourse.paraview.org/t/crashing-when-using-clip-over-image-uniform-rectilinear-grid/17320)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 11\
**Last updated:** [November 26, 2025, 9:34am UTC](https://discourse.paraview.org/t/crashing-when-using-clip-over-image-uniform-rectilinear-grid/17320 "2025-11-26T09:34:30Z")

</div>

Hello, I am opening a raw image file using the following function: def readRawFile(volFilePath=‘’,volInfoFilePath=‘’,format=‘.vol’): if volFilePath\[-4:\]!=format: volFilePath+=format if volInfoFilePat…

---

## [Loading PyFR .vtu files error using ParaView 5.13.3](https://discourse.paraview.org/t/loading-pyfr-vtu-files-error-using-paraview-5-13-3/17325)

<div class="topic-metadata">

**Author:** [@Amber\_Jia](https://discourse.paraview.org/u/Amber_Jia)\
**Replies:** 3\
**Last updated:** [November 24, 2025, 9:37am UTC](https://discourse.paraview.org/t/loading-pyfr-vtu-files-error-using-paraview-5-13-3/17325 "2025-11-24T09:37:10Z")

</div>

Dear ParaView Support, I was trying to open a .vtu file generated by PyFR using ParaView 5.13.3. And i get this error: ERROR: In vtkXMLUnstructuredDataReader.cxx, line 766 vtkXMLUnstructuredGridReader (00000272CF3EA3D0…

---

## [Can't select specific patches in Paraview from Fluent](https://discourse.paraview.org/t/cant-select-specific-patches-in-paraview-from-fluent/17329)

<div class="topic-metadata">

**Author:** [@Abdullah\_Saifee](https://discourse.paraview.org/u/Abdullah_Saifee)\
**Replies:** 1\
**Last updated:** [November 24, 2025, 8:55am UTC](https://discourse.paraview.org/t/cant-select-specific-patches-in-paraview-from-fluent/17329 "2025-11-24T08:55:17Z")

</div>

I am using Paraview 6.0.1. I have exported Ansys Fluent results in EnSight Gold format of a transient simulation. I read in the file in Paraview. But I cannot select specific patches on the model to isolate results on th…

---

## [Loading Exodus II files crashes ParaView on my Ubuntu 24 machine](https://discourse.paraview.org/t/loading-exodus-ii-files-crashes-paraview-on-my-ubuntu-24-machine/17323)

<div class="topic-metadata">

**Author:** [@rsaxena](https://discourse.paraview.org/u/rsaxena)\
**Replies:** 4\
**Last updated:** [November 21, 2025, 9:01am UTC](https://discourse.paraview.org/t/loading-exodus-ii-files-crashes-paraview-on-my-ubuntu-24-machine/17323 "2025-11-21T09:01:20Z")

</div>

Hello, I have Paraview 6.0.0 installed on my machine running Ubuntu 24.04. The GUI opens nicely, but when I try loading Exodus II (\*.e) files, Paraview crashes with the following error message (see attached screenshot)…

---

## [Save screenshot in JPG format misbehaves](https://discourse.paraview.org/t/save-screenshot-in-jpg-format-misbehaves/17310)

<div class="topic-metadata">

**Author:** [@mckel](https://discourse.paraview.org/u/mckel)\
**Replies:** 8\
**Last updated:** [November 20, 2025, 11:43pm UTC](https://discourse.paraview.org/t/save-screenshot-in-jpg-format-misbehaves/17310 "2025-11-20T23:43:05Z")

</div>

Dear all, in ParaView 6.0.1 running on Windows 11 I have a problem with the Save Screenshot functionality when the saved image is of JPG type. It appears that the image format is not recognized properly as JPG. How to …

---

## [ResetSession not clearing memory](https://discourse.paraview.org/t/resetsession-not-clearing-memory/15975)

<div class="topic-metadata">

**Author:** [@ihelt](https://discourse.paraview.org/u/ihelt)\
**Replies:** 10\
**Last updated:** [November 20, 2025, 6:46am UTC](https://discourse.paraview.org/t/resetsession-not-clearing-memory/15975 "2025-11-20T06:46:10Z")

</div>

Hello, I’ve been trying to use the ResetSession() function to clear memory in my paraview script, but that doesn’t seem to be working. Am I misunderstanding how memory is managed in paraview? Should I be using a differe…

---

## [Importing paraview.simple](https://discourse.paraview.org/t/importing-paraview-simple/17321)

<div class="topic-metadata">

**Author:** [@PyJay](https://discourse.paraview.org/u/PyJay)\
**Replies:** 2\
**Last updated:** [November 19, 2025, 5:22pm UTC](https://discourse.paraview.org/t/importing-paraview-simple/17321 "2025-11-19T17:22:39Z")

</div>

Hi everyone, I’m tryining to use Paraview through python pipeline. I do not understand why I get the error “ModuleNotFoundError: No module named ‘\_paraview\_modules\_static’“ when I run the following code: import os impo…

---

## [large tiff image paraview failing to load it correctly](https://discourse.paraview.org/t/large-tiff-image-paraview-failing-to-load-it-correctly/17315)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 4\
**Last updated:** [November 18, 2025, 10:53am UTC](https://discourse.paraview.org/t/large-tiff-image-paraview-failing-to-load-it-correctly/17315 "2025-11-18T10:53:18Z")

</div>

Hello, I am having issues with a large tomograph scan, previously i cropped a small section of the scan exported into Tiff and imported to paraview without any issues. now the new files are way larger, my current workf…

---

## [Slicing a dataset produces a surface mesh with different topology](https://discourse.paraview.org/t/slicing-a-dataset-produces-a-surface-mesh-with-different-topology/17307)

<div class="topic-metadata">

**Author:** [@simonw](https://discourse.paraview.org/u/simonw)\
**Replies:** 0\
**Last updated:** [November 14, 2025, 3:47pm UTC](https://discourse.paraview.org/t/slicing-a-dataset-produces-a-surface-mesh-with-different-topology/17307 "2025-11-14T15:47:27Z")

</div>

Hello, I have a question about how ParaView handles slicing of 3D datasets and whether it is possible to preserve the original surface mesh topology. I have 1. a 2D surface mesh saved as a .vtu file This file contains…

---

## [Ray tracing rendering in Windows](https://discourse.paraview.org/t/ray-tracing-rendering-in-windows/17239)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 5\
**Last updated:** [November 14, 2025, 3:33pm UTC](https://discourse.paraview.org/t/ray-tracing-rendering-in-windows/17239 "2025-11-14T15:33:43Z")

</div>

Dear support, I’ve started to experiment with ray tracing in ParaView and so far I have only been able to use OSPRay for CPU based rendering which is quite slow to be honest. I wanted to try the OptiX option for GPU ren…

---

## [Work with CompositeDataSets in python calculators or programable filters](https://discourse.paraview.org/t/work-with-compositedatasets-in-python-calculators-or-programable-filters/17306)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 0\
**Last updated:** [November 13, 2025, 3:33pm UTC](https://discourse.paraview.org/t/work-with-compositedatasets-in-python-calculators-or-programable-filters/17306 "2025-11-13T15:33:12Z")

</div>

Dear support, I often come into issues in python calculators (or in programmable filters) when working with composite datasets (typically from multiblock grids) where the data is distributed among many datasets (each on…

---

## [Generating a mesh from noisy medical data](https://discourse.paraview.org/t/generating-a-mesh-from-noisy-medical-data/17300)

<div class="topic-metadata">

**Author:** [@wsherman](https://discourse.paraview.org/u/wsherman)\
**Replies:** 15\
**Last updated:** [November 13, 2025, 9:19am UTC](https://discourse.paraview.org/t/generating-a-mesh-from-noisy-medical-data/17300 "2025-11-13T09:19:41Z")

</div>

Hello everyone, I have some rather noisy medical data (from a 3D Microscope), and I’ve been exploring it with ParaView, and I’d like to export some data into another application that I have that is able to render OBJ fil…

---

## [adding ADIOS and run-time crash of ParaView master](https://discourse.paraview.org/t/adding-adios-and-run-time-crash-of-paraview-master/17304)

<div class="topic-metadata">

**Author:** [@jfavre](https://discourse.paraview.org/u/jfavre)\
**Replies:** 3\
**Last updated:** [November 13, 2025, 7:11am UTC](https://discourse.paraview.org/t/adding-adios-and-run-time-crash-of-paraview-master/17304 "2025-11-13T07:11:38Z")

</div>

I compile all my dependencies with spack. When starting ParaView, it core-dumps. WARNING: All log messages before absl::InitializeLog() is called are written to STDERR E0000 00:00:1762967088.891296 88826 descriptor\_…

---

## [New EnSight reader missing in Paraview 6.0.1?](https://discourse.paraview.org/t/new-ensight-reader-missing-in-paraview-6-0-1/17303)

<div class="topic-metadata">

**Author:** [@tkarabela](https://discourse.paraview.org/u/tkarabela)\
**Replies:** 2\
**Last updated:** [November 12, 2025, 3:55pm UTC](https://discourse.paraview.org/t/new-ensight-reader-missing-in-paraview-6-0-1/17303 "2025-11-12T15:55:16Z")

</div>

Hi, I’ve been looking forward to using the new EnSight reader (vtkEnSightGoldCombinedReader) in Paraview. Release notes for 6.0.0 mention these new readers, with features such as ability to select parts to load and Parti…

---

## [paraview for image treatment (3D scan, tif format)](https://discourse.paraview.org/t/paraview-for-image-treatment-3d-scan-tif-format/17302)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 2\
**Last updated:** [November 12, 2025, 10:08am UTC](https://discourse.paraview.org/t/paraview-for-image-treatment-3d-scan-tif-format/17302 "2025-11-12T10:08:25Z")

</div>

Hello, I have looked a little bit around and did not came up with a conclusive answer for this, therefore I am making a post. I would like to use paraview to treat my 3D images, i can open the file and do some simple t…

---

## [using paraview simple to load obj with texture](https://discourse.paraview.org/t/using-paraview-simple-to-load-obj-with-texture/17299)

<div class="topic-metadata">

**Author:** [@JT3DAI](https://discourse.paraview.org/u/JT3DAI)\
**Replies:** 1\
**Last updated:** [November 11, 2025, 12:39pm UTC](https://discourse.paraview.org/t/using-paraview-simple-to-load-obj-with-texture/17299 "2025-11-11T12:39:39Z")

</div>

Hi guys, I currently have a python vtk function that loads a obj file with texture information. Ideally I would prefer to use paraview simple for all my pipelines. I can load the mesh in paraview simple but can not find…

---

## [Unable to load PNG texture in TextureMapToPlane – vtkOpenGLTexture error in ParaView 5.13.1](https://discourse.paraview.org/t/unable-to-load-png-texture-in-texturemaptoplane-vtkopengltexture-error-in-paraview-5-13-1/17284)

<div class="topic-metadata">

**Author:** [@gesamarie](https://discourse.paraview.org/u/gesamarie)\
**Replies:** 11\
**Last updated:** [November 11, 2025, 7:38am UTC](https://discourse.paraview.org/t/unable-to-load-png-texture-in-texturemaptoplane-vtkopengltexture-error-in-paraview-5-13-1/17284 "2025-11-11T07:38:08Z")

</div>

Hi All, I am simulating rainfall over a terrain. The visualization of the simulation results in my ParaView GUI works, but once I use the trace I recorded in ParaView as a macro in ParaView, I am getting an error messag…

---

## [Exporting multiple objects into one .vtkjs file](https://discourse.paraview.org/t/exporting-multiple-objects-into-one-vtkjs-file/17297)

<div class="topic-metadata">

**Author:** [@rensv](https://discourse.paraview.org/u/rensv)\
**Replies:** 6\
**Last updated:** [November 10, 2025, 3:29pm UTC](https://discourse.paraview.org/t/exporting-multiple-objects-into-one-vtkjs-file/17297 "2025-11-10T15:29:35Z")

</div>

Hi, I’m curious if it is possible to export multiple objects into one .vtkjs file. Ideally, I would like to export CFD data with volume representation, along with the confining geometry as a .stl file with surface repre…

---

## [Getting libGLX.so.0 not found error with binary release of 5.6.1](https://discourse.paraview.org/t/getting-libglx-so-0-not-found-error-with-binary-release-of-5-6-1/2133)

<div class="topic-metadata">

**Author:** [@tomF](https://discourse.paraview.org/u/tomF)\
**Replies:** 9\
**Last updated:** [November 10, 2025, 10:04am UTC](https://discourse.paraview.org/t/getting-libglx-so-0-not-found-error-with-binary-release-of-5-6-1/2133 "2025-11-10T10:04:36Z")

</div>

Hi all, Following the blog entry about the release of version 5.6.1 as of last night (local time), I downloaded the Linux binary release tarBall (https://www.paraview.org/paraview-downloads/download.php?submit=Download&v…

---

## [Fail to load files in a group](https://discourse.paraview.org/t/fail-to-load-files-in-a-group/15861)

<div class="topic-metadata">

**Author:** [@mingwang](https://discourse.paraview.org/u/mingwang)\
**Replies:** 17\
**Last updated:** [November 9, 2025, 8:34pm UTC](https://discourse.paraview.org/t/fail-to-load-files-in-a-group/15861 "2025-11-09T20:34:59Z")

</div>

I am trying to load a temporal series of files as a group. While these files appear grouped in the Open File dialog (the first image below), after clicking OK to load them, they are displayed separately in the Pipeline B…

---

## [how to kill wrongly run mpiexec server](https://discourse.paraview.org/t/how-to-kill-wrongly-run-mpiexec-server/17296)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 6\
**Last updated:** [November 7, 2025, 10:18am UTC](https://discourse.paraview.org/t/how-to-kill-wrongly-run-mpiexec-server/17296 "2025-11-07T10:18:26Z")

</div>

Hello, i wanted to use in paraview in parallel (please if it is not the correct way, what would it be?). I have paraview 6.0.1 MPI-Linux-Python3.12-x86\_64 version downloaded from the tar file. first I run: mpiexec -…

---

## [Issues with TETRA14 elements](https://discourse.paraview.org/t/issues-with-tetra14-elements/17294)

<div class="topic-metadata">

**Author:** [@lindad](https://discourse.paraview.org/u/lindad)\
**Replies:** 4\
**Last updated:** [November 6, 2025, 6:52pm UTC](https://discourse.paraview.org/t/issues-with-tetra14-elements/17294 "2025-11-06T18:52:10Z")

</div>

When attempting to create slices from exodus files using TETRA14 elements, all we see is the outline of the slice, e.g. it’s as if the parent mesh is a surface mesh instead of a volumetric one. There is no problem with T…

---

## [Vector operations in Python Calculator](https://discourse.paraview.org/t/vector-operations-in-python-calculator/17217)

<div class="topic-metadata">

**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 3\
**Last updated:** [November 5, 2025, 4:22pm UTC](https://discourse.paraview.org/t/vector-operations-in-python-calculator/17217 "2025-11-05T16:22:01Z")

</div>

Dear support, I am struggling to perform some basic operations to get the moments around an axis. My objective is to find the normal force around an axis following this sketch: Where AB is the axis that I’ve defined…

---

## [How to add additional time steps to exodus file](https://discourse.paraview.org/t/how-to-add-additional-time-steps-to-exodus-file/17278)

<div class="topic-metadata">

**Author:** [@frkanz](https://discourse.paraview.org/u/frkanz)\
**Replies:** 7\
**Last updated:** [November 5, 2025, 3:22pm UTC](https://discourse.paraview.org/t/how-to-add-additional-time-steps-to-exodus-file/17278 "2025-11-05T15:22:04Z")

</div>

I am trying to read an exodus file, add a new variable and some additional time steps with potentially Python Calculator or regular Calculator , and export it in exodus format again? More details about the problem and w…

---

## [Cell and point selection does not work in CMB on SMTK file](https://discourse.paraview.org/t/cell-and-point-selection-does-not-work-in-cmb-on-smtk-file/17293)

<div class="topic-metadata">

**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 2\
**Last updated:** [November 5, 2025, 1:23pm UTC](https://discourse.paraview.org/t/cell-and-point-selection-does-not-work-in-cmb-on-smtk-file/17293 "2025-11-05T13:23:18Z")

</div>

Hi, I would like to select cells or points in a discrete model imported into CMB. As an example, I considered the knee.smtk file shipped with CMB. I open it in CMB. I can select blocks with the “Select Block” command, b…

---

## [how to get all active sources (sources selected on pipeline) in python](https://discourse.paraview.org/t/how-to-get-all-active-sources-sources-selected-on-pipeline-in-python/17285)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 4\
**Last updated:** [November 4, 2025, 1:59pm UTC](https://discourse.paraview.org/t/how-to-get-all-active-sources-sources-selected-on-pipeline-in-python/17285 "2025-11-04T13:59:05Z")

</div>

hello, how can i get all the selected sources currently in the pipeline? i mean if i select box and hold ctr and select sphere, how can i get the two objects on python? currectly i found GetActiveSource() but this wil…

---

## [Visualization Problem Ensight Gold - Fluent Data - Cluster](https://discourse.paraview.org/t/visualization-problem-ensight-gold-fluent-data-cluster/17273)

<div class="topic-metadata">

**Author:** [@utanveer](https://discourse.paraview.org/u/utanveer)\
**Replies:** 8\
**Last updated:** [November 3, 2025, 2:31pm UTC](https://discourse.paraview.org/t/visualization-problem-ensight-gold-fluent-data-cluster/17273 "2025-11-03T14:31:56Z")

</div>

I am exporting my data from Fluent in Ensight Case Gold binary format using location: Node. The data for multiple cluster runs is stored sequentially. However, the data from the first 1 s (i.e., the first run) visualizes…

---

## [Paraview silently appearing in latest Nvidia video](https://discourse.paraview.org/t/paraview-silently-appearing-in-latest-nvidia-video/17283)

<div class="topic-metadata">

**Author:** [@mau\_igna\_06](https://discourse.paraview.org/u/mau_igna_06)\
**Replies:** 0\
**Last updated:** [November 3, 2025, 11:55am UTC](https://discourse.paraview.org/t/paraview-silently-appearing-in-latest-nvidia-video/17283 "2025-11-03T11:55:10Z")

</div>

The default Paraview’s colormap is used to render physics simulation results made by simulation AI startups backed up by Nvidia. Please see videos below:

---

## [Seeking Transforming Functionality in Paraview 5.12.0](https://discourse.paraview.org/t/seeking-transforming-functionality-in-paraview-5-12-0/14310)

<div class="topic-metadata">

**Author:** [@Yuan\_tangjin](https://discourse.paraview.org/u/Yuan_tangjin)\
**Replies:** 3\
**Last updated:** [October 31, 2025, 8:20am UTC](https://discourse.paraview.org/t/seeking-transforming-functionality-in-paraview-5-12-0/14310 "2025-10-31T08:20:12Z")

</div>

Hello everyone, I’ve noticed that in Paraview version 5.8.0, there’s an operation called “Transforming” under the Properties menu. However, I couldn’t locate this functionality in the version 5.12.0 that I’ve installe…

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

[Next page](https://discourse.paraview.org/c/paraview-support/7.md?page=9)