# Web Support

**URL:** https://discourse.paraview.org/c/web-support/10.md?page=4

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

**Page:** 5

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## [trame vs paraviewweb](https://discourse.paraview.org/t/trame-vs-paraviewweb/9516)

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**Author:** [@CapLek](https://discourse.paraview.org/u/CapLek)\
**Replies:** 5\
**Last updated:** [April 29, 2022, 2:09pm UTC](https://discourse.paraview.org/t/trame-vs-paraviewweb/9516 "2022-04-29T14:09:22Z")

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Good day community, We are going to start a new web project for scientific visualization with similar (but limited, of course) functionality to Paraview - like filtering and processing the data. The main goal is to have…

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## [Simple: forcing refresh after async model loading](https://discourse.paraview.org/t/simple-forcing-refresh-after-async-model-loading/9468)

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**Author:** [@eino](https://discourse.paraview.org/u/eino)\
**Replies:** 0\
**Last updated:** [April 20, 2022, 7:34am UTC](https://discourse.paraview.org/t/simple-forcing-refresh-after-async-model-loading/9468 "2022-04-20T07:34:41Z")

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Hi, So I have a paraview.simple server that loads a vtp model, and displays it via simple.Show(polydata). So far all worked fine. I need to load it asynchronously, so I moved this code to a protocol, in a function deco…

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## [Streaming Lines with paraviewweb server-side rendering](https://discourse.paraview.org/t/streaming-lines-with-paraviewweb-server-side-rendering/9428)

<div class="topic-metadata">

**Author:** [@CapLek](https://discourse.paraview.org/u/CapLek)\
**Replies:** 3\
**Last updated:** [April 15, 2022, 4:25pm UTC](https://discourse.paraview.org/t/streaming-lines-with-paraviewweb-server-side-rendering/9428 "2022-04-15T16:25:24Z")

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Is it possible to enable Streaming Lines Representation while using paraviewweb server-side rendering? I realize that for this to work render loop on the server should be triggered constantly (like on timer elapsed or so…

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## [Connecting points to be lines](https://discourse.paraview.org/t/connecting-points-to-be-lines/9435)

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**Author:** [@Crown](https://discourse.paraview.org/u/Crown)\
**Replies:** 0\
**Last updated:** [April 15, 2022, 3:43am UTC](https://discourse.paraview.org/t/connecting-points-to-be-lines/9435 "2022-04-15T03:43:48Z")

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I have several 2D lines I am trying to display together as shown in the attached proceedings-02-00664-v2 (3).pdf (555.8 KB) However, I want the figures to be solid lines and not points. Kindly assist me. Thank you

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## [Multi-client setup](https://discourse.paraview.org/t/multi-client-setup/9369)

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**Author:** [@eino](https://discourse.paraview.org/u/eino)\
**Replies:** 2\
**Last updated:** [April 6, 2022, 3:10pm UTC](https://discourse.paraview.org/t/multi-client-setup/9369 "2022-04-06T15:10:15Z")

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Hi, We are building a solution using paraview web with wslink, for remote visualization, and we need to allow multiple clients to visualize data concurrently. I see from this old thread and this one that there was a mu…

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## [Installing ParaViewWeb](https://discourse.paraview.org/t/installing-paraviewweb/8410)

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**Author:** [@Benjamin-Ousmane](https://discourse.paraview.org/u/Benjamin-Ousmane)\
**Replies:** 23\
**Last updated:** [April 6, 2022, 10:50am UTC](https://discourse.paraview.org/t/installing-paraviewweb/8410 "2022-04-06T10:50:28Z")

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Hi, I am trying to install ParaViewWeb (on Windows). Here is my issue : I tried to run the command in vscode terminal, windows shell and git bash. I also tried to look at my environment variables and install ParaVie…

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## [Questions about paraviewWeb network latency](https://discourse.paraview.org/t/questions-about-paraviewweb-network-latency/9343)

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**Author:** [@jone](https://discourse.paraview.org/u/jone)\
**Replies:** 1\
**Last updated:** [April 4, 2022, 7:31pm UTC](https://discourse.paraview.org/t/questions-about-paraviewweb-network-latency/9343 "2022-04-04T19:31:28Z")

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Hello, I am using ParaView as the server and ParaViewWeb as the client visual service. When I increase the model size, the network latency increases and the frame rate on the server side doesn’t seem to change much. Why? …

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## [VTI file types for vtkjs volume reader](https://discourse.paraview.org/t/vti-file-types-for-vtkjs-volume-reader/9315)

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**Author:** [@benoitpaillard](https://discourse.paraview.org/u/benoitpaillard)\
**Replies:** 1\
**Last updated:** [March 31, 2022, 2:09pm UTC](https://discourse.paraview.org/t/vti-file-types-for-vtkjs-volume-reader/9315 "2022-03-31T14:09:55Z")

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Hi all, I’m trying to change this example to read other volume files: after cloning the repo, the volume viewer can be started with: npm run dev:volume The data read is with the following line reader .setUrl('htt…

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## [Transition from Script to Trame visualisation](https://discourse.paraview.org/t/transition-from-script-to-trame-visualisation/9273)

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**Author:** [@s195t](https://discourse.paraview.org/u/s195t)\
**Replies:** 4\
**Last updated:** [March 29, 2022, 12:07pm UTC](https://discourse.paraview.org/t/transition-from-script-to-trame-visualisation/9273 "2022-03-29T12:07:49Z")

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Dear everyone, Since a couple of days I am working on a python script for postprocessing CFD postprocessing and it’s working well. Now that the script is done, I would like to have Trame to show the various views that i…

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## [BasicUI with Paravieweb as client, React and Vue](https://discourse.paraview.org/t/basicui-with-paravieweb-as-client-react-and-vue/6457)

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**Author:** [@Evgeniya\_Malikova](https://discourse.paraview.org/u/Evgeniya_Malikova)\
**Replies:** 6\
**Last updated:** [February 24, 2022, 3:27pm UTC](https://discourse.paraview.org/t/basicui-with-paravieweb-as-client-react-and-vue/6457 "2022-02-24T15:27:59Z")

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Dear all, I have just started to experiment with web remote rendering with VTK as server and ParaviewWeb as client and I am currently on stage of creating UI. I would like to check my understanding of how js-based UI c…

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## [How to Show a vtkMultiBlockDataset with the Paraview Python wrapper](https://discourse.paraview.org/t/how-to-show-a-vtkmultiblockdataset-with-the-paraview-python-wrapper/9012)

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**Author:** [@joaomlap](https://discourse.paraview.org/u/joaomlap)\
**Replies:** 1\
**Last updated:** [February 23, 2022, 10:55am UTC](https://discourse.paraview.org/t/how-to-show-a-vtkmultiblockdataset-with-the-paraview-python-wrapper/9012 "2022-02-23T10:55:19Z")

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Hi I recently posted in “Support” but I think this belongs in Web since I am using Paraview as a Remote Server, I am trying to use paraview.simple to render a vtkMultiBlockDataset. If I try to do: paraview.simple.Show…

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## [Glance split view with different datasets](https://discourse.paraview.org/t/glance-split-view-with-different-datasets/8880)

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**Author:** [@Alexandre\_Lecoanet](https://discourse.paraview.org/u/Alexandre_Lecoanet)\
**Replies:** 3\
**Last updated:** [February 3, 2022, 3:54pm UTC](https://discourse.paraview.org/t/glance-split-view-with-different-datasets/8880 "2022-02-03T15:54:43Z")

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Dear everyone, I would like to compare 2 datasets with paraview glance by using a split screen with a different dataset on each screen. Paraview glance allow for split screen and multiple datasets, but when I hide or s…

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## [Vtkjs + Glance condition of utilisation](https://discourse.paraview.org/t/vtkjs-glance-condition-of-utilisation/8879)

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**Author:** [@Alexandre\_Lecoanet](https://discourse.paraview.org/u/Alexandre_Lecoanet)\
**Replies:** 3\
**Last updated:** [February 2, 2022, 4:08pm UTC](https://discourse.paraview.org/t/vtkjs-glance-condition-of-utilisation/8879 "2022-02-02T16:08:21Z")

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Hello everyone, I search on Kitware website but I did not find a convincing answer to the following question: What are the conditions of distribution of the html vizualisations done with glance. More precisely : if I …

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## [Custom OpenGL content and UI interaction](https://discourse.paraview.org/t/custom-opengl-content-and-ui-interaction/8865)

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**Author:** [@KUKARUMA](https://discourse.paraview.org/u/KUKARUMA)\
**Replies:** 2\
**Last updated:** [February 1, 2022, 7:37am UTC](https://discourse.paraview.org/t/custom-opengl-content-and-ui-interaction/8865 "2022-02-01T07:37:30Z")

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Hi, I’m trying to build a HD(high definition) map\[1\] visualization application based on paraView tool chain. And want to find out what’s the best way to build the tool based on ParaView or VTK. In sum the requirements…

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## [No module named 'paraview.web'](https://discourse.paraview.org/t/no-module-named-paraview-web/8860)

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**Author:** [@bigfooted](https://discourse.paraview.org/u/bigfooted)\
**Replies:** 4\
**Last updated:** [January 31, 2022, 6:25pm UTC](https://discourse.paraview.org/t/no-module-named-paraview-web/8860 "2022-01-31T18:25:43Z")

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Hi all! After looking at the different options to do paraview visualization in a browser environment I decided to install paraviewweb from source using the instructions from here: I was not familiar with npm but after…

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## [FS Error](https://discourse.paraview.org/t/fs-error/8769)

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**Author:** [@Christian\_Miyigbena](https://discourse.paraview.org/u/Christian_Miyigbena)\
**Replies:** 3\
**Last updated:** [January 14, 2022, 4:19pm UTC](https://discourse.paraview.org/t/fs-error/8769 "2022-01-14T16:19:46Z")

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I always get “FS error” when I trying to visualize a vtk file on paraview glance or itk-viewer. What does this error mean and how can you please avoid it? Thank you

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## [import object field 'invoke\_vii' is not a Function when using Paraview glance](https://discourse.paraview.org/t/import-object-field-invoke-vii-is-not-a-function-when-using-paraview-glance/8634)

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**Author:** [@feacluster](https://discourse.paraview.org/u/feacluster)\
**Replies:** 2\
**Last updated:** [December 20, 2021, 5:48pm UTC](https://discourse.paraview.org/t/import-object-field-invoke-vii-is-not-a-function-when-using-paraview-glance/8634 "2021-12-20T17:48:06Z")

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I have been using Paraview glance successfully for the past many months. Today I started getting this error when manually uploading my vtu file. “import object field ‘invoke\_vii’ is not a Function” I am attaching my sa…

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## [PyWebVue cannot run Paraview ContourGeometry example](https://discourse.paraview.org/t/pywebvue-cannot-run-paraview-contourgeometry-example/8620)

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**Author:** [@Trophime](https://discourse.paraview.org/u/Trophime)\
**Replies:** 1\
**Last updated:** [December 14, 2021, 6:33pm UTC](https://discourse.paraview.org/t/pywebvue-cannot-run-paraview-contourgeometry-example/8620 "2021-12-14T18:33:33Z")

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Hi, I’m testing pywebvue project with Paraview 5.10 rc release. I have some trouble running Paraview ContourGeometry example: I have modified the paraview package from debian Testing to ship accelratedalgorithms plug…

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## [Volume Visualization on Web](https://discourse.paraview.org/t/volume-visualization-on-web/8568)

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**Author:** [@cfd\_payne](https://discourse.paraview.org/u/cfd_payne)\
**Replies:** 3\
**Last updated:** [December 7, 2021, 8:52am UTC](https://discourse.paraview.org/t/volume-visualization-on-web/8568 "2021-12-07T08:52:01Z")

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Emulated hosting Webservice using Windows Web Service (IIS) : works well \[Tried Glance viewer, VolumeViewer.html templates\] Seems VolumeViewer.html is made to read a \*.vti and not vtkjs Ported the Chrome (Browser)…

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## [How do I obtain contour lines in a sequence.](https://discourse.paraview.org/t/how-do-i-obtain-contour-lines-in-a-sequence/8530)

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**Author:** [@ksugahar](https://discourse.paraview.org/u/ksugahar)\
**Replies:** 12\
**Last updated:** [December 3, 2021, 9:14pm UTC](https://discourse.paraview.org/t/how-do-i-obtain-contour-lines-in-a-sequence/8530 "2021-12-03T21:14:14Z")

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I have plotted contour lines on a surface. I can see smooth lines on paraview but once I export it to file, all the contour lines are not sequential (independent points). How can I export as closed lines in a sequence…

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## [Adding text actor to Scene](https://discourse.paraview.org/t/adding-text-actor-to-scene/8547)

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**Author:** [@devngc](https://discourse.paraview.org/u/devngc)\
**Replies:** 1\
**Last updated:** [December 2, 2021, 3:44pm UTC](https://discourse.paraview.org/t/adding-text-actor-to-scene/8547 "2021-12-02T15:44:27Z")

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Hey all, I am interested in writing text to a vtkjs file. My proces of generating a vtkjs file is following; generate dataset folders using vtkJSONDataSetWriter Reference the folders in the index.json Zip everything a…

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## [ParaViewWeb on EC2 instance](https://discourse.paraview.org/t/paraviewweb-on-ec2-instance/8402)

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**Author:** [@whiteW](https://discourse.paraview.org/u/whiteW)\
**Replies:** 14\
**Last updated:** [November 23, 2021, 8:25pm UTC](https://discourse.paraview.org/t/paraviewweb-on-ec2-instance/8402 "2021-11-23T20:25:50Z")

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Dear all, I’m new in this forum and I hope that following the threads and discussing with the most expert users I can learn something useful to improve my skills in using Paraview. I always used ParaView as a standalon…

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## [Eliminating the first static html page in paraview lite](https://discourse.paraview.org/t/eliminating-the-first-static-html-page-in-paraview-lite/8413)

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**Author:** [@rasunag27](https://discourse.paraview.org/u/rasunag27)\
**Replies:** 1\
**Last updated:** [November 17, 2021, 10:45pm UTC](https://discourse.paraview.org/t/eliminating-the-first-static-html-page-in-paraview-lite/8413 "2021-11-17T22:45:27Z")

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Hi, Working on paraview lite for visualization, Is it possible to directly enter into session when link is entered instead of clicking “connect to paraview”?. Because I do not want the external user to take multiple ste…

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## [Error in rendering and visualization from docker image for different versions](https://discourse.paraview.org/t/error-in-rendering-and-visualization-from-docker-image-for-different-versions/8335)

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**Author:** [@rasunag27](https://discourse.paraview.org/u/rasunag27)\
**Replies:** 9\
**Last updated:** [November 17, 2021, 10:43pm UTC](https://discourse.paraview.org/t/error-in-rendering-and-visualization-from-docker-image-for-different-versions/8335 "2021-11-17T22:43:57Z")

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Hi, I have pulled an osmesa version pvw image from docker hub docker pull kitware/paraviewweb:pvw-visualizer-osmesa-master. For this version, I have configured the launcher file and also the apache2 configuration file…

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## [Paraviewweb and Draco](https://discourse.paraview.org/t/paraviewweb-and-draco/8392)

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**Author:** [@CapLek](https://discourse.paraview.org/u/CapLek)\
**Replies:** 3\
**Last updated:** [November 17, 2021, 10:32pm UTC](https://discourse.paraview.org/t/paraviewweb-and-draco/8392 "2021-11-17T22:32:59Z")

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Hi everyone, In paraviewweb I need to output mesh and associated field data in the draco format. Known Python wrappers (actually, I’ve found only one so far, GitHub - seung-lab/DracoPy: Python wrapper for Google's Draco…

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## [How to show and hide objects based on mouse interaction?](https://discourse.paraview.org/t/how-to-show-and-hide-objects-based-on-mouse-interaction/8317)

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**Author:** [@ltphy](https://discourse.paraview.org/u/ltphy)\
**Replies:** 3\
**Last updated:** [November 12, 2021, 4:49am UTC](https://discourse.paraview.org/t/how-to-show-and-hide-objects-based-on-mouse-interaction/8317 "2021-11-12T04:49:53Z")

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I have multiple point cloud data that are positioned based on pose graph’s vertices and I want to visualize it partly based on the camera position. The updateZoomFromWheel function has already been written by default as…

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## [Is it possible to programmatically select "Color By" field in ParaView Glance?](https://discourse.paraview.org/t/is-it-possible-to-programmatically-select-color-by-field-in-paraview-glance/8338)

<div class="topic-metadata">

**Author:** [@johans](https://discourse.paraview.org/u/johans)\
**Replies:** 1\
**Last updated:** [November 8, 2021, 4:29pm UTC](https://discourse.paraview.org/t/is-it-possible-to-programmatically-select-color-by-field-in-paraview-glance/8338 "2021-11-08T16:29:50Z")

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I have made stand alone “views” with Glance importing vtp data using Glance.importBase64Dataset. I would like to programmatically select the first data field (lets say labeled “A”), instead of glance opening with empty d…

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## [Do I need to install the full Paraview just for ParaViewWeb?](https://discourse.paraview.org/t/do-i-need-to-install-the-full-paraview-just-for-paraviewweb/8304)

<div class="topic-metadata">

**Author:** [@feacluster](https://discourse.paraview.org/u/feacluster)\
**Replies:** 10\
**Last updated:** [November 4, 2021, 5:28pm UTC](https://discourse.paraview.org/t/do-i-need-to-install-the-full-paraview-just-for-paraviewweb/8304 "2021-11-04T17:28:45Z")

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My machine is running low on disk space so I am wondering if I have to install the full paraview (2-3GB) just to use ParaViewWeb? I am only planning to use ParaViewWeb to serve vtk files in a web browser for multiple use…

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## [Is it possible to change default color bar and color by options in the VTU file?](https://discourse.paraview.org/t/is-it-possible-to-change-default-color-bar-and-color-by-options-in-the-vtu-file/8325)

<div class="topic-metadata">

**Author:** [@feacluster](https://discourse.paraview.org/u/feacluster)\
**Replies:** 1\
**Last updated:** [November 4, 2021, 4:25pm UTC](https://discourse.paraview.org/t/is-it-possible-to-change-default-color-bar-and-color-by-options-in-the-vtu-file/8325 "2021-11-04T16:25:17Z")

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I would like the VTU file to set the color bar to “Paraview → Rainbow” and set the the “Color By:” to some dataset in the file.

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## [websocket connection error in Paraview web osmesa docker image](https://discourse.paraview.org/t/websocket-connection-error-in-paraview-web-osmesa-docker-image/8310)

<div class="topic-metadata">

**Author:** [@rasunag27](https://discourse.paraview.org/u/rasunag27)\
**Replies:** 1\
**Last updated:** [November 3, 2021, 2:41pm UTC](https://discourse.paraview.org/t/websocket-connection-error-in-paraview-web-osmesa-docker-image/8310 "2021-11-03T14:41:53Z")

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Hi, I am trying to run Paraview web Visualizer inside docker. For this, I used osmesa-visualizer docker image using the command: docker pull kitware/paraviewweb:pvw-visualizer-osmesa-master But when I run the docker, …

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