VTKExamples | The VTK examples , formerly hosted on media wiki | Privacy library

by lorensen C++ Version: Current License: Apache-2.0

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kandi X-RAY | VTKExamples Summary

VTKExamples is a C++ library typically used in Security, Privacy applications. VTKExamples has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

The VTK examples, formerly hosted on media wiki

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VTKExamples has a low active ecosystem.

It has 274 star(s) with 133 fork(s). There are 22 watchers for this library.

It had no major release in the last 6 months.

There are 24 open issues and 20 have been closed. On average issues are closed in 41 days. There are 2 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of VTKExamples is current.

Quality

VTKExamples has no bugs reported.

Security

VTKExamples has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

VTKExamples is licensed under the Apache-2.0 License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

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VTKExamples releases are not available. You will need to build from source code and install.

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VTKExamples Examples and Code Snippets

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Community Discussions

Trending Discussions on VTKExamples

VTK: creating polygon and a hole with vtkDelaunay2D not working

python vtk rotate actor about line

What is the most recent vtk file format description?

How to do Boolean operations on vtk Poly Data?

QUESTION

VTK: creating polygon and a hole with vtkDelaunay2D not working

Asked 2021-Jan-25 at 12:35

I would like to render a Polygon with a hole in VTK. I found that the vtkDelaunay2D class should do the trick. I followed the tutorial here vtkDelaunay2D Example and it worked perfectly.

Afterwards I tried to create a different polygon with a different hole. And I don't get why it's not working and would like to know what I would have to change.

This is how it should look like. This is how it looks like in reality.

This is the code I used:

...

ANSWER

Answered 2021-Jan-25 at 12:35

Change

for idd in range(start, start + 4):

into

for idd in reversed(range(start, start + 4)):

Source https://stackoverflow.com/questions/65871868

QUESTION

python vtk rotate actor about line

Asked 2020-Nov-09 at 09:29

I am new to python and VTK so please have patience :)

On short, I have an actor and I would like to rotate it about a line I drew using vtkLineSource(). I chose my start and end points and I drew the line. Now what I thought is (please correct me if I am wrong) that I should make an axis on the line and then apply the vtkTransformWXYZ() to rotate about the axis. It does not work, it gives a weird rotation about the chosen point, but not the one I desire. I also tried defining the axis on the middle of the line I drew and apply the rotation on it, but when I try, it rotates about the global coordinates, and not the local. I also tried to give as input the point or the line, but again, the rotation is very weird.

Is there a way to define the line as an axis and rotate the actor about it? So far I tried like in the following examples: https://lorensen.github.io/VTKExamples/site/Python/PolyData/RotationAroundLine/ and https://lorensen.github.io/VTKExamples/site/Python/Rendering/Rotations/ but my actor always rotates in a weird way.

Could anyone help/point me in the right direction please?

Here is the part of my code where I am trying to rotate the actor…

...

ANSWER

Answered 2020-Nov-07 at 13:21

You may need to write some function like this:

Source https://stackoverflow.com/questions/64715478

QUESTION

What is the most recent vtk file format description?

Asked 2020-Jul-09 at 15:23

The Visualisation Toolkit (VTK) release is currently version 9.0.0., see here. VTK website provides this file format description, which is titled "VTK Version 4.2". Paraview also links this github page, which seems to be the same as the Version 4.2 description, and to the 4.2-description.

What is the most recent VTK-File Format description? Or is the linked 4.2-description the one that is used in the most recent release version (currently 9.0.0)?

...

ANSWER

Answered 2020-Jul-09 at 15:23

This is the most recent version of the format and what is being used in VTK 9.0.0.

This information is not documented anywhere yet.

Source https://stackoverflow.com/questions/62692514

QUESTION

How to do Boolean operations on vtk Poly Data?

Asked 2020-Feb-11 at 02:51

I am trying to compute the difference between two vtkPolyData by using the vtkBooleanOperationPolyDataFilter class. I read the only example provided in VTK examples website and I tried to use that.

However, my problem is a little bit different because I have .stl files. Therefore, first I have to translate .stl files to vtkPolyData. I am doing this with the function convert_stl_to_polydata(). Then, I use compute_difference() to compute the difference and write the output.

...

ANSWER

Answered 2020-Feb-11 at 02:51

Yes, you're using vtkBooleanOperationPolyDataFilter correctly.
vtkSTLReader creates a vtkPolyData, which is the correct input container for the boolean operation filter. Therefore: Yes, it is possible to read STLs and immediately process them with vtkBooleanOperationPolyDataFilter.

You lose some of the information when converting the output from vtkPolyData to vtkUnstructuredGrid. I think the shallow copy only copies the points, but not the cells. Have you checked the following?

Source https://stackoverflow.com/questions/59878978

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