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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.

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ParaView Calculator atan2

I'm currently trying to convert given Cartesian coordinates (x,y,z) to spherical coordinates (r, theta, phi) using the ParaView Calculator-Filter, where theta is the polar angle and phi the azimuthal angle. This I want to do over a domain of a…
ncim
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HDF5 for data files written with fortran

The HDF5 data storage uses the C convention, i.e. if I am storing a matrix A(N,M,K) in a binary file, the fastest changing dimension of the stored data will have size N. Apparently when I use the Fortran wrapper of HDF5, HDF5 automatically…
Pradeep Kumar Jha
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How to write ASCII and BINARY data to the same file at the same time

I work with a VTK data type for my outputs. Since my data is becoming larger and larger, it's taking considerable time to write it in ASCII and that's what I have been doing so far. I need to change that into binary format but the problem is the…
mmirzadeh
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ParaView crashes when loading a large ASCII VTK file

When I try to load a VTK file which is approximately 100mb in size in ParaView the program crashes. However, if I reduce the size of the file by selecting fewer data points (average size now approximately 30mb) it gets loaded without any problems. I…
long bow
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How to represent voxel volume in VTK file format?

I have 3D binary array which represents a volume, where a[x,y,z] = 0 indicates no object and a[x,y,z] = 1 indicates the object region. I want to save this as a VTK file and view it in ParaView. What is the simplest way to achieve this? Suggestions…
sergtk
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Output precision is higher than double precision

I am printing some data from a C++ program to be processed/visualized by ParaView, but I am having a problem with floating point numbers. Paraview supports both Float32 and Float64 data types. Float64 is equivalent to double with the typical limits …
iluvatar
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Using Flopy to create vtk output

I'm trying to write the model grid from a Modflow model to a vtk output to open in Paraview. I've used Groundwater Vistas and created the MODFLOW - USG (Unstructured Grids) When I try to use the export function I get the following error: Traceback…
Garth Cooper
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paraview: plot data from csv file

I am trying to use paraview to plot a xy plot. The plot I want is just a linear relationship between x and y. So I import my data file (data.csv) into paraview. My data is shown below: X Y 0 0 1 1 2 6 3 8 4 15 Then I set the delimiter to " ". After…
Shiqi He
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What file types can be visualized in ParaView using NVIDIA IndeX plugin?

I have made some work using OpenFOAM and now want to visualize my data using ParaView, when I loaded .foam file and some .stl files, I cannot see the NVIDIA IndeX option from the dropdown, thus I assume that not all the data type can be rendered by…
Andi Ariffin
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Xdmf for Paraview : select elements from a DataItem

I'm trying to use a xdmf file for Paraview to get data from a hdf5 file. I have one of the variable in an array that contains 2 values and I need to use the first one. For that I have tried to use a Function but can't figure out how to use it. So…
Thomas Leonard
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How to save a vtkSphere to a VTK file?

I'm trying to save multiples spheres to a file for the later visualization with ParaView. What I have is a text file with the information about position and shape (radius) of each sphere. With Python and VTK I'm constructing a file to visualize the…
Alvaro Fuentes
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How to add a custom array to a polydata in paraview?

I know that I can use the Calculator filter for operations on arrays, but I want to perform some more complicated computations. I managed to do it in Paraview python shell, but the missing step now is to go back to the viewer again (or save the new…
lib
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Applying clip filter to several sources

I have several data source in Paraview, and clip all of them (with the Clip filter) to only the are of interest I need to see at this moment. It istedious to set the clip domain always three (or more) times. Is it somehow possible to share those…
eudoxos
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How to connect points in paraview?

I have a question. I'm new to Paraview and I'm learning how to use it. I need to make a graph from data that are stored in .csv file (2 columns). I have them loaded and converted using TabletToPoints filter. I want ask if it's possible to connect…
NortySP
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Visualizing a 3D datastructure

I have a 3D datastructure in C code that I want to visualize as boxes and points in 3D space. So I have a bunch of coordinates, some for points and some for boxes and I want to plot these in 3D to visualize the data structure. Anyone have experience…
user926914
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