Questions tagged [paraview]

ParaView is an open-source, multi-platform data analysis and visualization application.

ParaView is an open-source, multi-platform data analysis and visualization application. ParaView users can quickly build visualizations to analyze their data using qualitative and quantitative techniques. The data exploration can be done interactively in 3D or programmatically using ParaView’s batch processing capabilities.

ParaView was developed to analyze extremely large datasets using distributed memory computing resources. It can be run on supercomputers to analyze datasets of exascale size as well as on laptops for smaller data.

It uses as the visualization engine.

586 questions
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Coloring a vtkUnstructuredGrid by vector magnitude

I'm trying to display an EnSight file in a Qt/VTK application. More precisely, I want to display a specific EnSight part and color it by the magnitude of one of the vector variables. As far as I understand, the output of the VTK reader is a…
Pierre GM
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How to save a slice of a 3D vtk file

Good morning, I would like to use pvpython to make a slice of a 3D volume inside a VTK file and then I'd want to save this image (possibly with a symmetric color palette centered in white). To be specific, I'd want to make with python the following…
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How to render a simple 2D vtkImageData object in Paraview?

I would like to use Paraview to plot simple 2D meshes with either different colors per cell or different colors per vertices. As far as I can tell, the Paraview documentation does not explain how to Show() a user-defined VTK object. I read from the…
Breno
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How to properly compile ParaView for headless offscreen rendering?

I'm running OpenFOAM on a remote server and basically manage to visualize the results via paraview's pvserver as described here. However upon connection the client yields Server DISPLAY not accessible! Display is not accessible on the server side.…
Tobias Kienzler
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vtkCommonCorePython missing error in python3-paraview on Ubuntu 20

I'm trying to use paraview scripting within python3 for Ubuntu 20.04.1 LTS. If I open python3 on the command line I get the error $> python3 Python 3.8.2 (default, Jul 16 2020, 14:00:26) [GCC 9.3.0] on linux Type "help", "copyright", "credits" or…
johnr79
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Orthographic/Perspective Views in Paraview

Problem: In Paraview 5.6.0, for an arbitrary geometry, the view directions can be set for the side, front, top views (shown below) by one-click. However, the display of either an orthographic view or a perspective view (or any standard projected…
Herpes Free Engineer
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Paraview programmatically plot quantities over line, using only data on nodes

I have a dataset on a 2D domain. I mean to get an XY plot of data along a line which contains a number of element edges. I would typically do this with PlotOverLine. Now I want to obtain a similar plot, but with my data points located only at the…
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Paraview programmatically Reset Session

In Paraview, one can do Edit -> Reset Session. It brings a clean state. How can that be done programmatically, from a python script? I mean it to work for both the GUI (at the python shell and as a macro) and CLI (pvpython). PS: I wouldn't know what…
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Paraview create filter with jump in fields

I have a dataset with discontinuous displacements across a few surfaces (so far I am working in 2D, so these would be lines, 1D). It is input as a PVDReader (just in case it makes any difference for the question, which I doubt). Is there any way to…
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Paraview: Get Points data from Integrate Variables

Using Python to interface with Paraview, I want to get the "Points" data from an integrate variable filter. I tried the GetArray("Points") but it can't find it even though you can clearly see it in the GUI if you go to spreadsheet view. My code is…
Miguel
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writing vtk UnstrucutredGrid to file in python

I would like to write 3D scalar data out to *.vtu file (using python) to be later picked up in Paraview and viewed volumetrically. I can write the *.vtu file, but Paraview crashes upon loading it. Have I used the vtk API incorrectly? My…
user3482876
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Controlling Paraview GUI from Python IDLE

I am trying to control Paraview interactively using IDLE. This would involve sending commands from IDLE and seeing the changes occur in Paraview. I would rather not use the in-Paraview python shell. So far, I have succeeded in importing the Paraview…
user32882
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Integrate Variables using Paraview Python Shell

I want to access to the result of U using Python Shell after applying integrate variables filter. This is easy to be done manually but I want to do this using Python Shell as my further calculations require me to do some math. To use Python Shell, I…
mantrasuser3
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GL version 2.1 with the gpu_shader4 extension is not supported by your graphics driver

I have downloaded ParaView for Linux(from their web site).I try to run the code but vtkXOpenGLRenderWindow (0x37418c0): GL version 2.1 with the gpu_shader4 extension is not supported by your graphics driver but is required for the new OpenGL…
Richard Rublev
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Generating and reading .vtk files from .dcm files, and modifying model

I would like to have a better understanding about dicom volume rendering. I have a set of dicom images, from which I've been able to extract axial, coronal and sagittal cuts, as follow : I first wanted to generate a 3D model from scratch, but it…
Charrette
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