# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=42

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

**Page:** 43

---

## [Could NOT find CMath (missing: CMath\_pow)](https://discourse.paraview.org/t/could-not-find-cmath-missing-cmath-pow/14697)

<div class="topic-metadata">

**Author:** [@ssayzhen](https://discourse.paraview.org/u/ssayzhen)\
**Replies:** 1\
**Last updated:** [May 23, 2024, 7:29am UTC](https://discourse.paraview.org/t/could-not-find-cmath-missing-cmath-pow/14697 "2024-05-23T07:29:31Z")

</div>

Hello, Trying to build paraview 5.11.2 on CentOS 8. cmake -GNinja -DPARAVIEW\_USE\_PYTHON=ON -DPARAVIEW\_USE\_MPI=ON -DVTK\_SMP\_IMPLEMENTATION\_TYPE=TBB -DCMAKE\_BUILD\_TYPE=Release /cluster/apps/src/paraview/paraview-5.11.2 …

---

## [How to create paraview macros](https://discourse.paraview.org/t/how-to-create-paraview-macros/14694)

<div class="topic-metadata">

**Author:** [@swornom](https://discourse.paraview.org/u/swornom)\
**Replies:** 3\
**Last updated:** [May 22, 2024, 4:25pm UTC](https://discourse.paraview.org/t/how-to-create-paraview-macros/14694 "2024-05-22T16:25:46Z")

</div>

In older version of PV under the icon macros there was start marcos and stop macros. They are not in the new versions of PV , how does one create a macro in v 5.12

---

## [Compute velocity](https://discourse.paraview.org/t/compute-velocity/14568)

<div class="topic-metadata">

**Author:** [@dann](https://discourse.paraview.org/u/dann)\
**Replies:** 40\
**Last updated:** [May 22, 2024, 9:33am UTC](https://discourse.paraview.org/t/compute-velocity/14568 "2024-05-22T09:33:15Z")

</div>

Hi Mathieu Westphal, I have U\_X= -13.4242, U\_Y=1.04534, U\_Z= -0.681527, but the mag(U) is 556 in Paraview. Can i know how to get the 556 in hand calculation for magnitude of velocity? Cheers

---

## [Specify domain rotation at each timestep for animation](https://discourse.paraview.org/t/specify-domain-rotation-at-each-timestep-for-animation/14687)

<div class="topic-metadata">

**Author:** [@Roger1198](https://discourse.paraview.org/u/Roger1198)\
**Replies:** 1\
**Last updated:** [May 22, 2024, 6:37am UTC](https://discourse.paraview.org/t/specify-domain-rotation-at-each-timestep-for-animation/14687 "2024-05-22T06:37:01Z")

</div>

I have a set of Ensight case files (or .cgns) from a CFX transient simulation of a multistage stator-rotor problem. I want to be able to create an animation in ParaView with the rotor rotating at each timestep by a speci…

---

## [Iso-surface 3D view Taylor-Green vortex](https://discourse.paraview.org/t/iso-surface-3d-view-taylor-green-vortex/14684)

<div class="topic-metadata">

**Author:** [@idrees](https://discourse.paraview.org/u/idrees)\
**Replies:** 8\
**Last updated:** [May 21, 2024, 5:24pm UTC](https://discourse.paraview.org/t/iso-surface-3d-view-taylor-green-vortex/14684 "2024-05-21T17:24:16Z")

</div>

Hi buddies, I am trying to post process my TGV simulations with iso-surface contour but I am not able to, as shown in the first screenshot. I want to get the visualization kind of, as given in the second uploaded s…

---

## [Surface LIC: Attempt to get an input array for an index that has not been specified](https://discourse.paraview.org/t/surface-lic-attempt-to-get-an-input-array-for-an-index-that-has-not-been-specified/6180)

<div class="topic-metadata">

**Author:** [@mariavd](https://discourse.paraview.org/u/mariavd)\
**Replies:** 4\
**Last updated:** [May 21, 2024, 4:10pm UTC](https://discourse.paraview.org/t/surface-lic-attempt-to-get-an-input-array-for-an-index-that-has-not-been-specified/6180 "2024-05-21T16:10:52Z")

</div>

Hello, I have been using Paraview for years for our visualisations and always loaded my vti file, apply a Slice, choose the colour to be defined by the array in our vti file and set it to SurfaceLIC representation. Toda…

---

## [Quaternion mode for glyph orientation](https://discourse.paraview.org/t/quaternion-mode-for-glyph-orientation/14682)

<div class="topic-metadata">

**Author:** [@brzezink](https://discourse.paraview.org/u/brzezink)\
**Replies:** 4\
**Last updated:** [May 21, 2024, 12:00pm UTC](https://discourse.paraview.org/t/quaternion-mode-for-glyph-orientation/14682 "2024-05-21T12:00:10Z")

</div>

Hello, I am using Paraview 5.12.0 (I also tried 5.11.0) on Ubuntu 23.10 (mantic). I want to orient 3D Glyphs directly by using quaternions. I have found in the release notes that it should be possible: https://www.para…

---

## [Regarding filters in paraview](https://discourse.paraview.org/t/regarding-filters-in-paraview/14673)

<div class="topic-metadata">

**Author:** [@Stayal](https://discourse.paraview.org/u/Stayal)\
**Replies:** 3\
**Last updated:** [May 21, 2024, 11:58am UTC](https://discourse.paraview.org/t/regarding-filters-in-paraview/14673 "2024-05-21T11:58:08Z")

</div>

Hello Everyone I just want to know that How can we apply these filters in paraview ?

---

## [Paraview won't copy data to cell zones](https://discourse.paraview.org/t/paraview-wont-copy-data-to-cell-zones/14662)

<div class="topic-metadata">

**Author:** [@marhatom](https://discourse.paraview.org/u/marhatom)\
**Replies:** 1\
**Last updated:** [May 21, 2024, 9:44am UTC](https://discourse.paraview.org/t/paraview-wont-copy-data-to-cell-zones/14662 "2024-05-21T09:44:37Z")

</div>

Hello, There is already one similar post cellZone not shown in paraView mesh list about this topic, but mine is a bit more specific. My system is Windows 11 and I am also working with OpenFOAM (using WSL2) and have def…

---

## [Visualizing results in slice, not smooth enough.](https://discourse.paraview.org/t/visualizing-results-in-slice-not-smooth-enough/14574)

<div class="topic-metadata">

**Author:** [@Edgar\_Barba\_Canedo](https://discourse.paraview.org/u/Edgar_Barba_Canedo)\
**Replies:** 5\
**Last updated:** [May 21, 2024, 8:59am UTC](https://discourse.paraview.org/t/visualizing-results-in-slice-not-smooth-enough/14574 "2024-05-21T08:59:04Z")

</div>

Hello, I’m trying to visualize the velocity field on a slice I created from a 3D CFD steady simulation. The problem is that the results, although appear pretty good, there are points where you can clearly see the transit…

---

## [Trying to load .dat files into Paraview but crashing on apply](https://discourse.paraview.org/t/trying-to-load-dat-files-into-paraview-but-crashing-on-apply/14645)

<div class="topic-metadata">

**Author:** [@Bhoang925](https://discourse.paraview.org/u/Bhoang925)\
**Replies:** 3\
**Last updated:** [May 21, 2024, 8:55am UTC](https://discourse.paraview.org/t/trying-to-load-dat-files-into-paraview-but-crashing-on-apply/14645 "2024-05-21T08:55:21Z")

</div>

Hello, I am pretty new to this. I have a pretty dense file in tecplot .dat format and wanted to use Paraview and see if I could get it working. It seems to be crashing whenever I apply, although all my variables show fin…

---

## [can't open vtu with paraview from debian repository but can with version downloaded from the site](https://discourse.paraview.org/t/cant-open-vtu-with-paraview-from-debian-repository-but-can-with-version-downloaded-from-the-site/14657)

<div class="topic-metadata">

**Author:** [@gbug](https://discourse.paraview.org/u/gbug)\
**Replies:** 2\
**Last updated:** [May 21, 2024, 7:19am UTC](https://discourse.paraview.org/t/cant-open-vtu-with-paraview-from-debian-repository-but-can-with-version-downloaded-from-the-site/14657 "2024-05-21T07:19:24Z")

</div>

Hi! I can’t open a binary vtu file (attached) with paraview from debian testing repository, but at the same time the same file can be opened with paraview downloaded from the site. I saw a similar (same?) problem has a…

---

## [ParaView v5.12 crashed when loading results](https://discourse.paraview.org/t/paraview-v5-12-crashed-when-loading-results/14610)

<div class="topic-metadata">

**Author:** [@yfwu](https://discourse.paraview.org/u/yfwu)\
**Replies:** 8\
**Last updated:** [May 21, 2024, 7:11am UTC](https://discourse.paraview.org/t/paraview-v5-12-crashed-when-loading-results/14610 "2024-05-21T07:11:22Z")

</div>

Hello! I am a new user of Paraview. When I was reading the calculation results of MFIX, the software crashed and exited without any error messages. I have tried on both Windows10-22H2 and UBUNTU22.04, and the crashes ar…

---

## [XDMF Hyper Slabs:](https://discourse.paraview.org/t/xdmf-hyper-slabs/14679)

<div class="topic-metadata">

**Author:** [@ramen\_newdals](https://discourse.paraview.org/u/ramen_newdals)\
**Replies:** 0\
**Last updated:** [May 20, 2024, 10:51pm UTC](https://discourse.paraview.org/t/xdmf-hyper-slabs/14679 "2024-05-20T22:51:47Z")

</div>

Hello All, I have temporal data that was broken into many smaller .h5 files, but due to running out of file limits on shared storage they have been merged into a single large .h5 file with the hope that individual time-…

---

## [Q-criteria colored by velocity magnitude](https://discourse.paraview.org/t/q-criteria-colored-by-velocity-magnitude/14643)

<div class="topic-metadata">

**Author:** [@xq520](https://discourse.paraview.org/u/xq520)\
**Replies:** 2\
**Last updated:** [May 20, 2024, 8:27am UTC](https://discourse.paraview.org/t/q-criteria-colored-by-velocity-magnitude/14643 "2024-05-20T08:27:02Z")

</div>

Hello everyone, I want to get the Isosurfaces of Q-criteria colored by velocity magnitude. And I used the Gradient filiter, but there is no option Q-criteria. Could someone give me some advice? The file is attached.

---

## [x coordinate along one line](https://discourse.paraview.org/t/x-coordinate-along-one-line/14667)

<div class="topic-metadata">

**Author:** [@xq520](https://discourse.paraview.org/u/xq520)\
**Replies:** 0\
**Last updated:** [May 19, 2024, 3:26pm UTC](https://discourse.paraview.org/t/x-coordinate-along-one-line/14667 "2024-05-19T15:26:57Z")

</div>

Hello, I want to make a line in the slice as a x coordinate axis, and the Y-axis will change accordingly. how could I get this? With best regards

---

## [paraview can not access some data in vtk file](https://discourse.paraview.org/t/paraview-can-not-access-some-data-in-vtk-file/14566)

<div class="topic-metadata">

**Author:** [@mbaghirzade](https://discourse.paraview.org/u/mbaghirzade)\
**Replies:** 6\
**Last updated:** [May 19, 2024, 2:19am UTC](https://discourse.paraview.org/t/paraview-can-not-access-some-data-in-vtk-file/14566 "2024-05-19T02:19:43Z")

</div>

Hello everyone, I have a vtk file (attached), and although it has temperature data, Paraview can not access it. Only after some time steps, when there are new output files, it can read the temperature data. There are tw…

---

## [Span-average in 3D airfoil](https://discourse.paraview.org/t/span-average-in-3d-airfoil/14664)

<div class="topic-metadata">

**Author:** [@xq520](https://discourse.paraview.org/u/xq520)\
**Replies:** 0\
**Last updated:** [May 18, 2024, 2:03pm UTC](https://discourse.paraview.org/t/span-average-in-3d-airfoil/14664 "2024-05-18T14:03:14Z")

</div>

Hello, I want to get span-average data across the z direction. And I used Descriptive Statistics, but the value didn’t change. Also how to specify direction in Descriptive Statistics filiter? If need, I can upload my vt…

---

## [Paraview crashes when Plot Selection Over Time is used for larger dataset](https://discourse.paraview.org/t/paraview-crashes-when-plot-selection-over-time-is-used-for-larger-dataset/14588)

<div class="topic-metadata">

**Author:** [@marhatom](https://discourse.paraview.org/u/marhatom)\
**Replies:** 1\
**Last updated:** [May 18, 2024, 12:22pm UTC](https://discourse.paraview.org/t/paraview-crashes-when-plot-selection-over-time-is-used-for-larger-dataset/14588 "2024-05-18T12:22:21Z")

</div>

Hello, I am trying use Plot Selection Over Time for single probe in 2D domain. I have a time series composed of about 3000 steps and I noticed when I use dataset of about 900 or more steps Paraview is working just for a…

---

## [Plot over a random curved line in paraview contour plot](https://discourse.paraview.org/t/plot-over-a-random-curved-line-in-paraview-contour-plot/14579)

<div class="topic-metadata">

**Author:** [@scabo](https://discourse.paraview.org/u/scabo)\
**Replies:** 17\
**Last updated:** [May 17, 2024, 10:23am UTC](https://discourse.paraview.org/t/plot-over-a-random-curved-line-in-paraview-contour-plot/14579 "2024-05-17T10:23:00Z")

</div>

Hi I have attached an image. I want to extract the data along the white line between the red and blue regions. THis is the air-water interface. How can i do it efficiently?

---

## [Use output of filter for input of other filters](https://discourse.paraview.org/t/use-output-of-filter-for-input-of-other-filters/12834)

<div class="topic-metadata">

**Author:** [@otaolafr](https://discourse.paraview.org/u/otaolafr)\
**Replies:** 19\
**Last updated:** [May 17, 2024, 8:37am UTC](https://discourse.paraview.org/t/use-output-of-filter-for-input-of-other-filters/12834 "2024-05-17T08:37:10Z")

</div>

Hello, I have been looking around the forum in similar questions but I can not finish of getting it. lets say I want to get all the data of a filter that is shown if I show it in a spreadsheet, as a list of arrays, ins…

---

## [How to get Lift and drag coefficient for an airfoil](https://discourse.paraview.org/t/how-to-get-lift-and-drag-coefficient-for-an-airfoil/14652)

<div class="topic-metadata">

**Author:** [@Kamal\_Ihsan\_Kamarudd](https://discourse.paraview.org/u/Kamal_Ihsan_Kamarudd)\
**Replies:** 0\
**Last updated:** [May 17, 2024, 8:27am UTC](https://discourse.paraview.org/t/how-to-get-lift-and-drag-coefficient-for-an-airfoil/14652 "2024-05-17T08:27:09Z")

</div>

Can you guys show me step by step how to get lift and drag coefficient for an airfoil

---

## [ValueError with Numpy Programmable Filter and Exodus File](https://discourse.paraview.org/t/valueerror-with-numpy-programmable-filter-and-exodus-file/14535)

<div class="topic-metadata">

**Author:** [@kellis](https://discourse.paraview.org/u/kellis)\
**Replies:** 3\
**Last updated:** [May 16, 2024, 7:19pm UTC](https://discourse.paraview.org/t/valueerror-with-numpy-programmable-filter-and-exodus-file/14535 "2024-05-16T19:19:00Z")

</div>

Hello all, I am trying to extract the lambda-2 criterion from an Exodus solution file following the method in this post. My solution has 3 individual vector components, so I apply a Merge Vector Components filter to cre…

---

## [Opening TimeSeries multiplt .vtk files in Paraview](https://discourse.paraview.org/t/opening-timeseries-multiplt-vtk-files-in-paraview/14637)

<div class="topic-metadata">

**Author:** [@Anuhya](https://discourse.paraview.org/u/Anuhya)\
**Replies:** 1\
**Last updated:** [May 16, 2024, 9:10am UTC](https://discourse.paraview.org/t/opening-timeseries-multiplt-vtk-files-in-paraview/14637 "2024-05-16T09:10:47Z")

</div>

Hello, I am trying to load the timeseries .vtk files to visualize the flow field and vortex per time step. But I’m not able to group it, load it and view. I have the files named with time\_series\_aoa\_beta\_001,…,time\_seri…

---

## [Visualization of colours in hexahedron faces is incorrect](https://discourse.paraview.org/t/visualization-of-colours-in-hexahedron-faces-is-incorrect/14623)

<div class="topic-metadata">

**Author:** [@ind](https://discourse.paraview.org/u/ind)\
**Replies:** 9\
**Last updated:** [May 16, 2024, 8:54am UTC](https://discourse.paraview.org/t/visualization-of-colours-in-hexahedron-faces-is-incorrect/14623 "2024-05-16T08:54:15Z")

</div>

I have a mesh of 2x2x2 elements. The nodes on the edges of the top surface have same value of a scalar uz while the central node has a different value. Theoretically, the interpolation of colours in visualization should …

---

## [The question about how to obtain a graph of the product changes over time.](https://discourse.paraview.org/t/the-question-about-how-to-obtain-a-graph-of-the-product-changes-over-time/14633)

<div class="topic-metadata">

**Author:** [@Guanlong](https://discourse.paraview.org/u/Guanlong)\
**Replies:** 6\
**Last updated:** [May 15, 2024, 2:03pm UTC](https://discourse.paraview.org/t/the-question-about-how-to-obtain-a-graph-of-the-product-changes-over-time/14633 "2024-05-15T14:03:57Z")

</div>

Researchers, I have some VTK files about particle information and different gas products. I want to obtain a graph of the product’s variation over time, but I don’t know how to operate it. Can you help me get the result?…

---

## [Incomplete paraview installation, missing catalystd.dll](https://discourse.paraview.org/t/incomplete-paraview-installation-missing-catalystd-dll/14635)

<div class="topic-metadata">

**Author:** [@mandman](https://discourse.paraview.org/u/mandman)\
**Replies:** 0\
**Last updated:** [May 15, 2024, 1:33pm UTC](https://discourse.paraview.org/t/incomplete-paraview-installation-missing-catalystd-dll/14635 "2024-05-15T13:33:50Z")

</div>

Since last two weeks I am trying to build Paraview 5.12 from source code with catalyst enabled for purpose of in-situ visualization. Before my laptop breakdown after numerous configurations, and builds I thought of seeki…

---

## [ANSYS FLUENT Data -\> Ensight or direct Fluent Data?](https://discourse.paraview.org/t/ansys-fluent-data-ensight-or-direct-fluent-data/14631)

<div class="topic-metadata">

**Author:** [@Maddy](https://discourse.paraview.org/u/Maddy)\
**Replies:** 1\
**Last updated:** [May 15, 2024, 8:06am UTC](https://discourse.paraview.org/t/ansys-fluent-data-ensight-or-direct-fluent-data/14631 "2024-05-15T08:06:29Z")

</div>

Hello, I have a problem getting my FLUENT data into paraview. I tried different methods but nothing works. Reading the .cas file from FLUENT directly doesn’t work. After a few minutes loading paraview crashes without a…

---

## [How to continuousize discrete contour?](https://discourse.paraview.org/t/how-to-continuousize-discrete-contour/14628)

<div class="topic-metadata">

**Author:** [@coconutLatte](https://discourse.paraview.org/u/coconutLatte)\
**Replies:** 3\
**Last updated:** [May 15, 2024, 2:29am UTC](https://discourse.paraview.org/t/how-to-continuousize-discrete-contour/14628 "2024-05-15T02:29:51Z")

</div>

Hi, I’ve got a vtk file with a result array name “Mises”. result\_with\_mises.vtk (1.3 MB) Now the contour are like below which color is blocky and discrete. What I want is below which color is continuous. Is th…

---

## [View Startup Command for client-server](https://discourse.paraview.org/t/view-startup-command-for-client-server/14625)

<div class="topic-metadata">

**Author:** [@woodscn](https://discourse.paraview.org/u/woodscn)\
**Replies:** 2\
**Last updated:** [May 14, 2024, 10:18pm UTC](https://discourse.paraview.org/t/view-startup-command-for-client-server/14625 "2024-05-14T22:18:20Z")

</div>

Is there a way to view the startup command used when launching a particular client server session? I’m concerned I’m making a mistake somewhere when I’m mentally reconstructing it from my .pvsc.

[Previous page](https://discourse.paraview.org/c/paraview-support/7.md?page=41)

[Next page](https://discourse.paraview.org/c/paraview-support/7.md?page=43)