# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=203

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

**Page:** 204

---

## [How to export domain from paraview to ANSYS or any meshing software?](https://discourse.paraview.org/t/how-to-export-domain-from-paraview-to-ansys-or-any-meshing-software/2085)

<div class="topic-metadata">

**Author:** [@vidyadhar](https://discourse.paraview.org/u/vidyadhar)\
**Replies:** 37\
**Last updated:** [August 19, 2019, 4:29am UTC](https://discourse.paraview.org/t/how-to-export-domain-from-paraview-to-ansys-or-any-meshing-software/2085 "2019-08-19T04:29:22Z")

</div>

Hello, I have fluent case and data file loaded onto paraview. I have done a basic operation in paraview to delete some portion of the domain. Now I want to export this residual portion of domain into ANSYS or any othe…

---

## [spline source points into python macro script](https://discourse.paraview.org/t/spline-source-points-into-python-macro-script/2625)

<div class="topic-metadata">

**Author:** [@garcfd](https://discourse.paraview.org/u/garcfd)\
**Replies:** 3\
**Last updated:** [September 25, 2019, 10:06pm UTC](https://discourse.paraview.org/t/spline-source-points-into-python-macro-script/2625 "2019-09-25T22:06:34Z")

</div>

I want to use use the GUI to create some splines sources (placing the points by hand) Then I want to be able to access those spline point coordinates in the python script macro. How do I do this - is it even possible? …

---

## [pvbatch with osmesa runs slower](https://discourse.paraview.org/t/pvbatch-with-osmesa-runs-slower/2283)

<div class="topic-metadata">

**Author:** [@hconel](https://discourse.paraview.org/u/hconel)\
**Replies:** 4\
**Last updated:** [September 25, 2019, 8:34pm UTC](https://discourse.paraview.org/t/pvbatch-with-osmesa-runs-slower/2283 "2019-09-25T20:34:30Z")

</div>

Hello, I’m post-processing my OpenFOAM results on a remote server. Option A: I run pvserver that is built with OpenFOAM on remote server, connect from my local machine and save animation (via on-screen rendering). Both…

---

## [Lib issue - Conda - Ipyhton - 2,7](https://discourse.paraview.org/t/lib-issue-conda-ipyhton-2-7/2601)

<div class="topic-metadata">

**Author:** [@jupiter\_mech](https://discourse.paraview.org/u/jupiter_mech)\
**Replies:** 4\
**Last updated:** [September 20, 2019, 7:14pm UTC](https://discourse.paraview.org/t/lib-issue-conda-ipyhton-2-7/2601 "2019-09-20T19:14:16Z")

</div>

Hi everyone, I have installed Paraview using a conda environment, where I installed Python 2.7.10, which is the only compatible version with Paraview, as far as I know. The installation went well and now I have Paraview…

---

## [How to fix a custom VTK reader?](https://discourse.paraview.org/t/how-to-fix-a-custom-vtk-reader/2586)

<div class="topic-metadata">

**Author:** [@newbee](https://discourse.paraview.org/u/newbee)\
**Replies:** 2\
**Last updated:** [September 20, 2019, 10:46am UTC](https://discourse.paraview.org/t/how-to-fix-a-custom-vtk-reader/2586 "2019-09-20T10:46:20Z")

</div>

Hi, I’m a beginner of paraview, and now I’m developing a custom reader. My paraview version is 3.14, so I followed this example: https://vtk.org/Wiki/ParaView/Examples/Plugins/Reader After plugin loaded, I found Reque…

---

## [save an extracted surface to vtp format](https://discourse.paraview.org/t/save-an-extracted-surface-to-vtp-format/2595)

<div class="topic-metadata">

**Author:** [@Haiyan](https://discourse.paraview.org/u/Haiyan)\
**Replies:** 4\
**Last updated:** [September 19, 2019, 8:21pm UTC](https://discourse.paraview.org/t/save-an-extracted-surface-to-vtp-format/2595 "2019-09-19T20:21:35Z")

</div>

Hi ParaView team, I tried to extract surface and save it to a vtp format. However, when I load the saved .vtp file, I lose the surface but only the outline. Please see below for the figures. The first figure shows the e…

---

## [Paraview crashes when I use the delauny2D filter](https://discourse.paraview.org/t/paraview-crashes-when-i-use-the-delauny2d-filter/2582)

<div class="topic-metadata">

**Author:** [@s1291](https://discourse.paraview.org/u/s1291)\
**Replies:** 3\
**Last updated:** [September 19, 2019, 11:59am UTC](https://discourse.paraview.org/t/paraview-crashes-when-i-use-the-delauny2d-filter/2582 "2019-09-19T11:59:55Z")

</div>

Hello, I have the following csv file. When I try to use the Delauny2D filter, paraview crashes: delauny.pvsm (64.4 KB) Could you please tell me why it crashes?: Download The csv file and the state file.

---

## [Programmatically set background image](https://discourse.paraview.org/t/programmatically-set-background-image/2574)

<div class="topic-metadata">

**Author:** [@theodorebaltis](https://discourse.paraview.org/u/theodorebaltis)\
**Replies:** 6\
**Last updated:** [September 19, 2019, 2:18am UTC](https://discourse.paraview.org/t/programmatically-set-background-image/2574 "2019-09-19T02:18:39Z")

</div>

How would one set the background image through python? I can tell PV to use a background image through: GetActiveView().UseTexturedBackground = 1 But I can’t figure out how to load an image. repr(GetActiveView().Back…

---

## [GetSources Result](https://discourse.paraview.org/t/getsources-result/2583)

<div class="topic-metadata">

**Author:** [@theodorebaltis](https://discourse.paraview.org/u/theodorebaltis)\
**Replies:** 1\
**Last updated:** [September 19, 2019, 1:25am UTC](https://discourse.paraview.org/t/getsources-result/2583 "2019-09-19T01:25:35Z")

</div>

So GetSources() returns a dictionary of (name, id) object pairs. I’m wondering what these ids are a reference to. From my experience they seem to be incremental in relation to the order of operation (perhaps even in re…

---

## [Offsets array in a unstructured grid (VTU)](https://discourse.paraview.org/t/offsets-array-in-a-unstructured-grid-vtu/2580)

<div class="topic-metadata">

**Author:** [@jaydi\_21](https://discourse.paraview.org/u/jaydi_21)\
**Replies:** 3\
**Last updated:** [September 18, 2019, 4:52am UTC](https://discourse.paraview.org/t/offsets-array-in-a-unstructured-grid-vtu/2580 "2019-09-18T04:52:24Z")

</div>

I have a CFD solver that works with a quadtree mesh. However, I’m unable to create a VTU file because I can’t understand what the offsets array means? Can someone tell me how to create the offsets array? What distance is…

---

## [How to access to pvserver files from Python shell](https://discourse.paraview.org/t/how-to-access-to-pvserver-files-from-python-shell/2573)

<div class="topic-metadata">

**Author:** [@s1291](https://discourse.paraview.org/u/s1291)\
**Replies:** 8\
**Last updated:** [September 17, 2019, 4:22pm UTC](https://discourse.paraview.org/t/how-to-access-to-pvserver-files-from-python-shell/2573 "2019-09-17T16:22:20Z")

</div>

In my server machine I am running pvserver: mpiexec -np 12 pvserver On my local machine I could easily connect to the server machine and from File \> Open I could browse files on the server but when I run Python Shell (V…

---

## [ParticleTracer, TemporalParticlesToPathlines, and state files](https://discourse.paraview.org/t/particletracer-temporalparticlestopathlines-and-state-files/2468)

<div class="topic-metadata">

**Author:** [@insley](https://discourse.paraview.org/u/insley)\
**Replies:** 4\
**Last updated:** [September 17, 2019, 3:46am UTC](https://discourse.paraview.org/t/particletracer-temporalparticlestopathlines-and-state-files/2468 "2019-09-17T03:46:38Z")

</div>

Hi All, I’m attempting to use the ParticleTracer filter, coupled with TemporalParticlesToPathlines to trace the path of particles injected into a vector field, and show a short trail behind the particles as they move ov…

---

## [2D Tranfer Function](https://discourse.paraview.org/t/2d-tranfer-function/2501)

<div class="topic-metadata">

**Author:** [@Pat](https://discourse.paraview.org/u/Pat)\
**Replies:** 2\
**Last updated:** [September 16, 2019, 11:23am UTC](https://discourse.paraview.org/t/2d-tranfer-function/2501 "2019-09-16T11:23:20Z")

</div>

Hello, Can I create/manipulate 2D transfer functions to visualize my data? I want to peel away layers of my data to visualize certain aspects of it and I cant seem to figure out how to create a 2D transfer function. Th…

---

## [Error when applying properties settings/ volume](https://discourse.paraview.org/t/error-when-applying-properties-settings-volume/2555)

<div class="topic-metadata">

**Author:** [@Hong](https://discourse.paraview.org/u/Hong)\
**Replies:** 3\
**Last updated:** [September 16, 2019, 7:06am UTC](https://discourse.paraview.org/t/error-when-applying-properties-settings-volume/2555 "2019-09-16T07:06:49Z")

</div>

Hi, I’m new to ParaView. I am currently using Windows 10 OS and was trying out the can.ex2 example when i encountered some rendering issues, would like to seek advice. However, once I have checked Data Variable and c…

---

## [How to calculate displacement of global data](https://discourse.paraview.org/t/how-to-calculate-displacement-of-global-data/2559)

<div class="topic-metadata">

**Author:** [@wascott](https://discourse.paraview.org/u/wascott)\
**Replies:** 1\
**Last updated:** [September 16, 2019, 2:34am UTC](https://discourse.paraview.org/t/how-to-calculate-displacement-of-global-data/2559 "2019-09-16T02:34:15Z")

</div>

From a user: I have a global history of a displacement at a location in a model. I want to plot the difference between the displacement at this point and the displacement at a reference point. How do I do this? Thank…

---

## [How to build developer docs in ParaView 5.7?](https://discourse.paraview.org/t/how-to-build-developer-docs-in-paraview-5-7/2545)

<div class="topic-metadata">

**Author:** [@opoplawski](https://discourse.paraview.org/u/opoplawski)\
**Replies:** 5\
**Last updated:** [September 15, 2019, 2:46am UTC](https://discourse.paraview.org/t/how-to-build-developer-docs-in-paraview-5-7/2545 "2019-09-15T02:46:22Z")

</div>

I give up, how do I build the developer docs in paraview 5.7.0? With 5.6 I did: make DoxygenDoc ParaViewDoc but neither target seems to exist now. I am setting -DPARAVIEW\_BUILD\_DEVELOPER\_DOCUMENTATION:BOOL=ON

---

## [false-color image under ParaView?](https://discourse.paraview.org/t/false-color-image-under-paraview/2551)

<div class="topic-metadata">

**Author:** [@uturuncoglu](https://discourse.paraview.org/u/uturuncoglu)\
**Replies:** 6\
**Last updated:** [September 13, 2019, 6:51pm UTC](https://discourse.paraview.org/t/false-color-image-under-paraview/2551 "2019-09-13T18:51:21Z")

</div>

Hi, I just wonder that is it possible to create false-color image under ParaView? Regards, –ufuk

---

## [Plot3d ASCII format](https://discourse.paraview.org/t/plot3d-ascii-format/2552)

<div class="topic-metadata">

**Author:** [@MAGAN\_SINGH](https://discourse.paraview.org/u/MAGAN_SINGH)\
**Replies:** 2\
**Last updated:** [September 13, 2019, 5:21pm UTC](https://discourse.paraview.org/t/plot3d-ascii-format/2552 "2019-09-13T17:21:03Z")

</div>

I am learning Paraview, I imported plot3d binary files successfully but I have also other data in ASCII file for ARA M100 wing surface that comprises index values(I, J, K) and corresponding (x,y,z) coordinate of each gri…

---

## [NVIDIA IndeX Plugin on Paraview 5.5.0 / 5.6.0](https://discourse.paraview.org/t/nvidia-index-plugin-on-paraview-5-5-0-5-6-0/2101)

<div class="topic-metadata">

**Author:** [@bzehner](https://discourse.paraview.org/u/bzehner)\
**Replies:** 31\
**Last updated:** [September 13, 2019, 10:10am UTC](https://discourse.paraview.org/t/nvidia-index-plugin-on-paraview-5-5-0-5-6-0/2101 "2019-09-13T10:10:38Z")

</div>

Dear all, I want to try out the IndeX Plugin, using Paraview Desktop (I tryed 5.5.0 and 5.6.0) on a Windows 10 Workstation. I can load the Plugin using “Manage Plugins”. However, when I load a data set (vtkStructuredPoi…

---

## [Open a Mesh in ParaView (SimScale, OpenFOAM)](https://discourse.paraview.org/t/open-a-mesh-in-paraview-simscale-openfoam/500)

<div class="topic-metadata">

**Author:** [@Kai\_himself](https://discourse.paraview.org/u/Kai_himself)\
**Replies:** 9\
**Last updated:** [September 12, 2019, 3:29am UTC](https://discourse.paraview.org/t/open-a-mesh-in-paraview-simscale-openfoam/500 "2019-09-12T03:29:11Z")

</div>

Hey Guys, i am relatively new in CFD, and got a question, how to open a Mesh file in ParaView? I use SimScale to do the meshing and calculation. In the downloaded Meshfolder are two folders, polyMesh and triSurface. I…

---

## [Selecting multiple pvtu files](https://discourse.paraview.org/t/selecting-multiple-pvtu-files/2537)

<div class="topic-metadata">

**Author:** [@AD\_TX](https://discourse.paraview.org/u/AD_TX)\
**Replies:** 5\
**Last updated:** [September 11, 2019, 3:51am UTC](https://discourse.paraview.org/t/selecting-multiple-pvtu-files/2537 "2019-09-11T03:51:00Z")

</div>

Hello! I have a question about the best way to load a large number of time series .pvtu files into paraview using a python script. My files are of the format: data\_0.pvtu data\_1.pvtu… There are 200 of them in this p…

---

## [Unexpected multiplication result in Calculator filter using gradient components](https://discourse.paraview.org/t/unexpected-multiplication-result-in-calculator-filter-using-gradient-components/2524)

<div class="topic-metadata">

**Author:** [@jgonzalez49](https://discourse.paraview.org/u/jgonzalez49)\
**Replies:** 3\
**Last updated:** [September 11, 2019, 3:03am UTC](https://discourse.paraview.org/t/unexpected-multiplication-result-in-calculator-filter-using-gradient-components/2524 "2019-09-11T03:03:24Z")

</div>

I have been having some trouble with the Calculator filter in a very specific case involving the components of the Gradient of Unstructured Data Set filter. Attached are two files which have been able to demonstrate this…

---

## [OptiX progressive passes and server render support](https://discourse.paraview.org/t/optix-progressive-passes-and-server-render-support/2535)

<div class="topic-metadata">

**Author:** [@vnpavanelli](https://discourse.paraview.org/u/vnpavanelli)\
**Replies:** 1\
**Last updated:** [September 10, 2019, 9:17pm UTC](https://discourse.paraview.org/t/optix-progressive-passes-and-server-render-support/2535 "2019-09-10T21:17:05Z")

</div>

Dear Community, I’m using the RC3 and RC3-384 and can’t create a good quality screenshot with progressive passes. It always save the first pass to the screenshot (even with --enable-streaming). For now I’m increasing th…

---

## [Comparing 3D Volumes in time](https://discourse.paraview.org/t/comparing-3d-volumes-in-time/2417)

<div class="topic-metadata">

**Author:** [@cecidip](https://discourse.paraview.org/u/cecidip)\
**Replies:** 1\
**Last updated:** [September 9, 2019, 6:01pm UTC](https://discourse.paraview.org/t/comparing-3d-volumes-in-time/2417 "2019-09-09T18:01:39Z")

</div>

Hi, I have a group of 12 \*.xmf 3D volumes (see pic). Each model correspond to a different time-step. Therefore, each model has its own attribute, however when i hit “play” to see how this evolves in time for each time st…

---

## [Select subregion of 1st grid based on size of 2nd grid using python script](https://discourse.paraview.org/t/select-subregion-of-1st-grid-based-on-size-of-2nd-grid-using-python-script/2527)

<div class="topic-metadata">

**Author:** [@joboog](https://discourse.paraview.org/u/joboog)\
**Replies:** 0\
**Last updated:** [September 9, 2019, 11:08am UTC](https://discourse.paraview.org/t/select-subregion-of-1st-grid-based-on-size-of-2nd-grid-using-python-script/2527 "2019-09-09T11:08:13Z")

</div>

Dear ParaView users, I have two grids (big, small) that overlay (top in Figure 1). I would like to extract a subregion out of the big grid similar as in bottom of Figure 1. The subregion should match an axis aligned b…

---

## [ParaView Synchronize attribute values to the GUI](https://discourse.paraview.org/t/paraview-synchronize-attribute-values-to-the-gui/2520)

<div class="topic-metadata">

**Author:** [@RisingYoung](https://discourse.paraview.org/u/RisingYoung)\
**Replies:** 7\
**Last updated:** [September 9, 2019, 10:55am UTC](https://discourse.paraview.org/t/paraview-synchronize-attribute-values-to-the-gui/2520 "2019-09-09T10:55:12Z")

</div>

Hello, I set the model transparency with the following code: pqPipelineSource\* source = reinterpret\_cast\<pqPipelineSource\*\>(it-\>second); pqDataRepresentation\* representation = source-\>getRepresentation(pqActiveObjects::…

---

## [Segmentation fault when reading a homegrown HDF5 file](https://discourse.paraview.org/t/segmentation-fault-when-reading-a-homegrown-hdf5-file/2451)

<div class="topic-metadata">

**Author:** [@angelv](https://discourse.paraview.org/u/angelv)\
**Replies:** 3\
**Last updated:** [September 9, 2019, 3:43am UTC](https://discourse.paraview.org/t/segmentation-fault-when-reading-a-homegrown-hdf5-file/2451 "2019-09-09T03:43:46Z")

</div>

Hello, Paraview first-timer here. Our app creates HDF5 files with a very simple structure: h5dump -A cart\_cr2130.h5 HDF5 "cart\_cr2130.h5" { GROUP "/" { DATASET "Bp" { DATATYPE H5T\_IEEE\_F64LE DATASPACE …

---

## [How to visualize a matrix as an array of 3d blocks?](https://discourse.paraview.org/t/how-to-visualize-a-matrix-as-an-array-of-3d-blocks/2519)

<div class="topic-metadata">

**Author:** [@parajan](https://discourse.paraview.org/u/parajan)\
**Replies:** 1\
**Last updated:** [September 6, 2019, 1:23am UTC](https://discourse.paraview.org/t/how-to-visualize-a-matrix-as-an-array-of-3d-blocks/2519 "2019-09-06T01:23:04Z")

</div>

I would like visualize this dataset: as an array of 3d blocks / cuboids, whose height scales with the value of the element. It should result in the following picture: Is it possible to do this in ParaView? I tried…

---

## [How to execute ParaView-5.7.0-RC2](https://discourse.paraview.org/t/how-to-execute-paraview-5-7-0-rc2/2470)

<div class="topic-metadata">

**Author:** [@Ali\_Shayegh](https://discourse.paraview.org/u/Ali_Shayegh)\
**Replies:** 14\
**Last updated:** [September 5, 2019, 12:12pm UTC](https://discourse.paraview.org/t/how-to-execute-paraview-5-7-0-rc2/2470 "2019-09-05T12:12:05Z")

</div>

I have downloaded ParaView-5.7.0-RC2-osmesa-MPI-Linux-Python3.7-64bit on my Ubuntu. in folder bin, there is no executable paraview. How can I launch it? Best, Ali

---

## [Visualize wind speed](https://discourse.paraview.org/t/visualize-wind-speed/2507)

<div class="topic-metadata">

**Author:** [@sholz](https://discourse.paraview.org/u/sholz)\
**Replies:** 6\
**Last updated:** [September 5, 2019, 9:19am UTC](https://discourse.paraview.org/t/visualize-wind-speed/2507 "2019-09-05T09:19:48Z")

</div>

Dear paraview community! I am working on a wind study within an urban context. For meshing and simulation I used simscale, now I want to visualize the results in paraview. For doing so, I set a slice in z direction, hig…

[Previous page](https://discourse.paraview.org/c/paraview-support/7.md?page=202)

[Next page](https://discourse.paraview.org/c/paraview-support/7.md?page=204)