# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?no_subcategories=false&page=2

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

**Page:** 3

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## [Unexpected behavior of MaxStepDistance in TemporalParticlesToPathlines](https://discourse.paraview.org/t/unexpected-behavior-of-maxstepdistance-in-temporalparticlestopathlines/17643)

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**Author:** [@anahitanaj](https://discourse.paraview.org/u/anahitanaj)\
**Replies:** 1\
**Last updated:** [July 6, 2026, 4:08pm UTC](https://discourse.paraview.org/t/unexpected-behavior-of-maxstepdistance-in-temporalparticlestopathlines/17643 "2026-07-06T16:08:54Z")

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Hi everyone, I am using ParticleTracer followed by TemporalParticlesToPathlines in ParaView 6.0 to visualize the pathlines in the blood vessels of the body using 4D flow MRI data. I use: ForceReinjectionEveryNSteps = …

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## [List of ANARI renderers in ParaView 6.1.1](https://discourse.paraview.org/t/list-of-anari-renderers-in-paraview-6-1-1/17641)

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**Author:** [@jmb64](https://discourse.paraview.org/u/jmb64)\
**Replies:** 10\
**Last updated:** [July 3, 2026, 4:25pm UTC](https://discourse.paraview.org/t/list-of-anari-renderers-in-paraview-6-1-1/17641 "2026-07-03T16:25:00Z")

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I have built one version of ParaView 6.1.1 with ANARI support yesterday. (commit eea2fc2dc970dbfac2be500736fdea26c2d9188b) I test a simple Wedge (Unstructured mesh with 27 points and 16 cells). I get this with OSPRay …

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## [How to specify custom solid colors that persist?](https://discourse.paraview.org/t/how-to-specify-custom-solid-colors-that-persist/17644)

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**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 3\
**Last updated:** [July 2, 2026, 4:30pm UTC](https://discourse.paraview.org/t/how-to-specify-custom-solid-colors-that-persist/17644 "2026-07-02T16:30:05Z")

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I find myself constantly adding custom colors to the Pick Solid Color dialog, since it doesn’t seem that these colors persist across sessions. For example: Launch fresh session of ParaView 6.1.0 (make sure it’s the o…

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## [Paraview 5.10.1 automatically crashes with MFIX built-in case](https://discourse.paraview.org/t/paraview-5-10-1-automatically-crashes-with-mfix-built-in-case/17645)

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**Author:** [@ultrayi](https://discourse.paraview.org/u/ultrayi)\
**Replies:** 1\
**Last updated:** [July 2, 2026, 1:55pm UTC](https://discourse.paraview.org/t/paraview-5-10-1-automatically-crashes-with-mfix-built-in-case/17645 "2026-07-02T13:55:53Z")

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ParaView keeps crashing whenever I try to “apply” after open the RES output files generated by the built-in Fluid Bed 2D case in MFIX. OS： Win 10/ Win 11 Thanks a lot. FLUID\_BED\_TFM\_2D.RES (2.1 MB) RES file name: FLU…

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## [Display issues](https://discourse.paraview.org/t/display-issues/17640)

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**Author:** [@cfd\_payne](https://discourse.paraview.org/u/cfd_payne)\
**Replies:** 7\
**Last updated:** [July 1, 2026, 11:52am UTC](https://discourse.paraview.org/t/display-issues/17640 "2026-07-01T11:52:10Z")

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Hello All, In the Extract Block Filter while selecting an extra face (ie..Ground) the display is culing the whole Geom. PV version 5.12

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## [Placing Objects on Terrain - PALM NetCDF Files](https://discourse.paraview.org/t/placing-objects-on-terrain-palm-netcdf-files/17565)

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**Author:** [@anon17936635](https://discourse.paraview.org/u/anon17936635)\
**Replies:** 4\
**Last updated:** [June 29, 2026, 10:41am UTC](https://discourse.paraview.org/t/placing-objects-on-terrain-palm-netcdf-files/17565 "2026-06-29T10:41:26Z")

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Helo together, I tried to visualize PALM NetCDF simulation results (\_3d.000.nc) and a PALM NetCDF static driver (objects in model domain) (\_static.nc) in ParaView. I displayed the static driver using a threshold filter…

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## [Paraview not launching after download](https://discourse.paraview.org/t/paraview-not-launching-after-download/13704)

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**Author:** [@vassilisbak](https://discourse.paraview.org/u/vassilisbak)\
**Replies:** 3\
**Last updated:** [June 25, 2026, 7:03pm UTC](https://discourse.paraview.org/t/paraview-not-launching-after-download/13704 "2026-06-25T19:03:12Z")

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Hello, I have downloaded paraview (tried the5.5.1 exe file and the msi file and the zip file) for windows 10. Every time I run the installer, the install finishes but paraview doesnt open, nor can i find any .exe file th…

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## [Chart Background Colour](https://discourse.paraview.org/t/chart-background-colour/369)

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**Author:** [@Roberts](https://discourse.paraview.org/u/Roberts)\
**Replies:** 5\
**Last updated:** [June 25, 2026, 7:33am UTC](https://discourse.paraview.org/t/chart-background-colour/369 "2026-06-25T07:33:40Z")

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Hi, I am a new user to Paraview and I am trying to change the background colour of a chart (plot over line), I can’t seem to find any information on this - is it possible? Thanks

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## [Strange display representation of VTK\_POLYHEDRON cells](https://discourse.paraview.org/t/strange-display-representation-of-vtk-polyhedron-cells/14612)

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**Author:** [@Ieeshka](https://discourse.paraview.org/u/Ieeshka)\
**Replies:** 4\
**Last updated:** [June 24, 2026, 2:47pm UTC](https://discourse.paraview.org/t/strange-display-representation-of-vtk-polyhedron-cells/14612 "2026-06-24T14:47:28Z")

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Hello everybody! I am a newbie in ParaView and I would appreciate some explanation of the cell visualization problem I observe (VTK\_POLYHEDRON). I have generated VTU file with 3D mesh of polyhedrons using my own python …

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## [VTKHDF SplitByComposite](https://discourse.paraview.org/t/vtkhdf-splitbycomposite/17633)

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**Author:** [@jfavre](https://discourse.paraview.org/u/jfavre)\
**Replies:** 4\
**Last updated:** [June 24, 2026, 8:06am UTC](https://discourse.paraview.org/t/vtkhdf-splitbycomposite/17633 "2026-06-24T08:06:10Z")

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I have multiple vtkUnstructuredGrids which have been grouped with GroupDatasets() Attempting to save them in VTKHDF format, I use SaveData(‘/foo.vtkhdf’, proxy=groupDatasets1, WriteAllTimeSteps=1, SplitByComposite=1) …

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## [paraview 6.0.1 boken since yesterday update of system?](https://discourse.paraview.org/t/paraview-6-0-1-boken-since-yesterday-update-of-system/17632)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 6\
**Last updated:** [June 23, 2026, 8:38am UTC](https://discourse.paraview.org/t/paraview-6-0-1-boken-since-yesterday-update-of-system/17632 "2026-06-23T08:38:52Z")

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Hello, I had been using paraview 6.0.1 since its release on my system and it always worked, yesterday I did the classic update & upgrade of the system, and today when opening paraview i get an error and can not open at …

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## [Selecting filter on pipeline browser from renderViewer object](https://discourse.paraview.org/t/selecting-filter-on-pipeline-browser-from-renderviewer-object/17629)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 2\
**Last updated:** [June 22, 2026, 11:15am UTC](https://discourse.paraview.org/t/selecting-filter-on-pipeline-browser-from-renderviewer-object/17629 "2026-06-22T11:15:25Z")

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Hello, if i have a bunch of filters showing on the renderViewer, is there any way to lets say, ‘click’ a specific cell and that the filter that has this cell will be selected (SetActiveSource()) to know which filter cor…

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## [Get multi block dataset structure in python](https://discourse.paraview.org/t/get-multi-block-dataset-structure-in-python/17628)

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**Author:** [@Captain\_Convergence](https://discourse.paraview.org/u/Captain_Convergence)\
**Replies:** 0\
**Last updated:** [June 19, 2026, 12:58pm UTC](https://discourse.paraview.org/t/get-multi-block-dataset-structure-in-python/17628 "2026-06-19T12:58:14Z")

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Dear support, I would like to know if there is an method to parse or get the hierarchical structure of a multi block data set in python in a dictionary, XML or similar way which is quite useful for looping over the bloc…

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## [Improving speed for thresholding of list of values (custom selection+extractSelect)](https://discourse.paraview.org/t/improving-speed-for-thresholding-of-list-of-values-custom-selection-extractselect/17625)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 3\
**Last updated:** [June 19, 2026, 5:49am UTC](https://discourse.paraview.org/t/improving-speed-for-thresholding-of-list-of-values-custom-selection-extractselect/17625 "2026-06-19T05:49:16Z")

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Hello, I need to extract cells with specific values of a specific field. For this I am using the following lines of code: SetActiveSource(filter) QuerySelect(QueryString=f'(isin({fieldName}, {listOfValues}))', FieldTyp…

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## [Why is my EvenlySpacedStreamlines2D not working](https://discourse.paraview.org/t/why-is-my-evenlyspacedstreamlines2d-not-working/17627)

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**Author:** [@Buggs\_Bunny](https://discourse.paraview.org/u/Buggs_Bunny)\
**Replies:** 0\
**Last updated:** [June 18, 2026, 6:31am UTC](https://discourse.paraview.org/t/why-is-my-evenlyspacedstreamlines2d-not-working/17627 "2026-06-18T06:31:23Z")

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Hello, I want to add streamlines on a slice. I understand EvenlySpacedStreamlines2D only work in the X-Y plane so I have transformed my data so that the slice I want is in the X-Y plane. Why am I unable to see any strea…

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## [CTH Mass Analysis confusion with Material Fraction Threshold](https://discourse.paraview.org/t/cth-mass-analysis-confusion-with-material-fraction-threshold/17626)

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**Author:** [@danial.syed](https://discourse.paraview.org/u/danial.syed)\
**Replies:** 0\
**Last updated:** [June 17, 2026, 7:50pm UTC](https://discourse.paraview.org/t/cth-mass-analysis-confusion-with-material-fraction-threshold/17626 "2026-06-17T19:50:16Z")

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I’m using CTH to simulate a small aluminum 2017-t4 sphere (4mm) impacting a 12.7mm x 12.7mm Ultem 9085 plate (projectile velocity 2.835km/s and target thickness of 3.75mm). As of now, the amount of mass loss of the plate…

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## [Unexpected behavior with AppendAttributes](https://discourse.paraview.org/t/unexpected-behavior-with-appendattributes/10557)

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**Author:** [@delcmo](https://discourse.paraview.org/u/delcmo)\
**Replies:** 12\
**Last updated:** [June 16, 2026, 7:33pm UTC](https://discourse.paraview.org/t/unexpected-behavior-with-appendattributes/10557 "2026-06-16T19:33:40Z")

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Hello, I am trying to compute the difference between two variables that are stored in two different solution files. The mesh and geometry are identical between the two files. After reading the documentation, I tried to …

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## [Regression in 6.1.0: vtkPVDReader fails to parse E+0N scientific-notation timestep values (works in 6.0)](https://discourse.paraview.org/t/regression-in-6-1-0-vtkpvdreader-fails-to-parse-e-0n-scientific-notation-timestep-values-works-in-6-0/17620)

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**Author:** [@ebreard](https://discourse.paraview.org/u/ebreard)\
**Replies:** 3\
**Last updated:** [June 16, 2026, 2:35pm UTC](https://discourse.paraview.org/t/regression-in-6-1-0-vtkpvdreader-fails-to-parse-e-0n-scientific-notation-timestep-values-works-in-6-0/17620 "2026-06-16T14:35:13Z")

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When opening a .pvd file in ParaView 6.1.0, the PVD reader fails to parse timestep attribute values that are written in scientific notation with an explicit-sign exponent (e.g. 0.8006087E+01). For every timestep entry, i…

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## [VTK "Structured Points" Procedure](https://discourse.paraview.org/t/vtk-structured-points-procedure/5834)

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**Author:** [@guis1901](https://discourse.paraview.org/u/guis1901)\
**Replies:** 10\
**Last updated:** [June 16, 2026, 10:02am UTC](https://discourse.paraview.org/t/vtk-structured-points-procedure/5834 "2026-06-16T10:02:48Z")

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Hello, I am completely new to this so please feel free to refer me to an existing response/post. I have, however, searched the forum and not found what I am looking to do… I am importing data from a CSV in a X-Y-Z-Sig1…

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## [Opacity/transparency of surface based on color map](https://discourse.paraview.org/t/opacity-transparency-of-surface-based-on-color-map/17618)

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**Author:** [@PetrKryslUCSD](https://discourse.paraview.org/u/PetrKryslUCSD)\
**Replies:** 1\
**Last updated:** [June 15, 2026, 6:18am UTC](https://discourse.paraview.org/t/opacity-transparency-of-surface-based-on-color-map/17618 "2026-06-15T06:18:47Z")

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This used to work: I would map scalars to colors, and then the transfer function could be used to change the transparency of the colors. I can’t get it to work anymore (of course, it is possible that I misremember how to…

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## [How does one add padding to the data axes labels? or maybe even some offset?](https://discourse.paraview.org/t/how-does-one-add-padding-to-the-data-axes-labels-or-maybe-even-some-offset/17026)

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**Author:** [@abidoescfd](https://discourse.paraview.org/u/abidoescfd)\
**Replies:** 8\
**Last updated:** [June 14, 2026, 9:23pm UTC](https://discourse.paraview.org/t/how-does-one-add-padding-to-the-data-axes-labels-or-maybe-even-some-offset/17026 "2026-06-14T21:23:47Z")

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Hello everyone! ParaView is amazing, but I have found that I couldn’t offset my data axes labels from the ticks. I really need the numbers on the axes grid to be large, and the same needs to be done with the label, but u…

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## [How to build ParaView with multiserver support?](https://discourse.paraview.org/t/how-to-build-paraview-with-multiserver-support/17617)

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**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 7\
**Last updated:** [June 12, 2026, 1:12pm UTC](https://discourse.paraview.org/t/how-to-build-paraview-with-multiserver-support/17617 "2026-06-12T13:12:12Z")

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I would like my client to be able to connect to multiple servers. I heard that ParaView has to be built with multiserver option to achieve it. Although I looked at the CMake options with ccmake in the ParaView superbuild…

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## [How to know whether a script is executed by ParaView Python?](https://discourse.paraview.org/t/how-to-know-whether-a-script-is-executed-by-paraview-python/17610)

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**Author:** [@CsatiZoltan](https://discourse.paraview.org/u/CsatiZoltan)\
**Replies:** 6\
**Last updated:** [June 10, 2026, 3:51pm UTC](https://discourse.paraview.org/t/how-to-know-whether-a-script-is-executed-by-paraview-python/17610 "2026-06-10T15:51:56Z")

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Is there a way to know at runtime if a Python file is executed from the ParaView environment (pvpython, pvbatch or from the Python shell of the GUI) or from a standard Python interpreter? I checked the environment variab…

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## [Visualisation problem](https://discourse.paraview.org/t/visualisation-problem/17611)

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**Author:** [@James0306](https://discourse.paraview.org/u/James0306)\
**Replies:** 1\
**Last updated:** [June 10, 2026, 2:07pm UTC](https://discourse.paraview.org/t/visualisation-problem/17611 "2026-06-10T14:07:57Z")

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Title: ParaView shows strange black/white distorted viewport after zooming Hello, I am using ParaView on Windows. Recently, the 3D render view suddenly became abnormal. After I zoom or scroll the mouse wheel, the viewp…

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## [Center Colourmap to Zero](https://discourse.paraview.org/t/center-colourmap-to-zero/17587)

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**Author:** [@Buggs\_Bunny](https://discourse.paraview.org/u/Buggs_Bunny)\
**Replies:** 11\
**Last updated:** [June 10, 2026, 8:39am UTC](https://discourse.paraview.org/t/center-colourmap-to-zero/17587 "2026-06-10T08:39:24Z")

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Hey, I have a dataset that is uneven about zero, I want to use a diverging color map. Is there a way I can set my zero velocity to be at the center of the color map? I have several datasets and timesteps so I would prefe…

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## [connectivity removing global point & cell Ids?](https://discourse.paraview.org/t/connectivity-removing-global-point-cell-ids/17579)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 4\
**Last updated:** [June 10, 2026, 7:15am UTC](https://discourse.paraview.org/t/connectivity-removing-global-point-cell-ids/17579 "2026-06-10T07:15:54Z")

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Hello, I think i found a bug, when i apply connectivity to extract the largest region of an source (tested unstructured grid and uniform rectilinear image) the fields of GlobalPointIds and GlobalCellIds disappear which …

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## [Programmable source with Tecplot reader](https://discourse.paraview.org/t/programmable-source-with-tecplot-reader/4005)

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**Author:** [@MiguelAngelAGUIRRE](https://discourse.paraview.org/u/MiguelAngelAGUIRRE)\
**Replies:** 4\
**Last updated:** [June 9, 2026, 2:33pm UTC](https://discourse.paraview.org/t/programmable-source-with-tecplot-reader/4005 "2026-06-09T14:33:05Z")

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Hello, I’m trying to open a Tecplot dat file within a Programmable Source. My objective is to open the file, keep doing some operations with the arrays and then send everything to the output (i.e., the original arrays +…

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## [programmable filter get common points and select cells in function of this points](https://discourse.paraview.org/t/programmable-filter-get-common-points-and-select-cells-in-function-of-this-points/17578)

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**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 2\
**Last updated:** [June 8, 2026, 6:17am UTC](https://discourse.paraview.org/t/programmable-filter-get-common-points-and-select-cells-in-function-of-this-points/17578 "2026-06-08T06:17:24Z")

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Hello, I have two sources that are overlapping that have common global ids (they are coming from a common source but divided), to better exemplify, here is a small example to achieve this: from paraview.simple import …

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## [Paraview 6.1.0 displays a white screen](https://discourse.paraview.org/t/paraview-6-1-0-displays-a-white-screen/17592)

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**Author:** [@Odyop89](https://discourse.paraview.org/u/Odyop89)\
**Replies:** 0\
**Last updated:** [June 2, 2026, 4:18pm UTC](https://discourse.paraview.org/t/paraview-6-1-0-displays-a-white-screen/17592 "2026-06-02T16:18:51Z")

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Hello, I would like to use Paraview to analyze data from the Digital Image Correlation software DICe. Unfortunately, I am having an issue where the screen remains white when I try to launch the program. (see image belo…

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## [Paraview slices of same source but different location in view port](https://discourse.paraview.org/t/paraview-slices-of-same-source-but-different-location-in-view-port/17564)

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**Author:** [@cfd\_payne](https://discourse.paraview.org/u/cfd_payne)\
**Replies:** 3\
**Last updated:** [June 2, 2026, 5:54am UTC](https://discourse.paraview.org/t/paraview-slices-of-same-source-but-different-location-in-view-port/17564 "2026-06-02T05:54:45Z")

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I have a situation in a simulation to show a slice of the same source but with different variable to be shown at different at different location in a view port.. \[ Ex: imagine a propeller Right,Left , one to be shown as…

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