VolumeRendering | Volume Rendering with Raytracing and Transfer Functions | GPU library
kandi X-RAY | VolumeRendering Summary
kandi X-RAY | VolumeRendering Summary
Volume Rendering using Raycasting. Made with C++, OpenGL, Cinder, GLM and dear imgui. Loads 8 and 16 bit raw volumetric data. And displays this volume on screen using raycasting. Some features include ray jitter with random noise and voxel's solidity check to reduce banding / artifacts, fast computation of gradients, gradients smoothing with 3x3x3 average filter and histogram extraction using compute shaders.
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VolumeRendering Examples and Code Snippets
Community Discussions
Trending Discussions on VolumeRendering
QUESTION
So recently I started working with X3D and have been trying to experiment around with Volume Rendering but I can't seem to get anything working. I have an X3D file with the following code in it:
...ANSWER
Answered 2017-Jun-11 at 10:44BS Content Player does not support the node VolumeData
. But you can try to use instant player from instant reality: http://instantreality.org/downloads.
QUESTION
I try to modify the default value of a property in Paraview using a custom Plugin.
When I add a Dicom file in my pipeline, the default representation is set to "Outline
" in the property panel, but I want it to be "Volume
".
The goal is to interact with existing properties in Paraview
I git clone the paraview repository, and I used CMake to get the .sln file and compile it with Visual Studio. I do the same with example plugin provided by Paraview itself (like the toolbar or property widget to understand how it works), everything works for now. But when I try to set the data representation to "volume", nothing work (no results, it still uniform.)
What i've tried (from my plugin):
...ANSWER
Answered 2019-Oct-10 at 08:59The setProperty
you used concern Qt property (this class inherits from QObject) and not ParaView Proxy property.
you should replace this line with the following:
edit: add the SetScalarColoring part
QUESTION
I would like to use the maximum intensity projection (MIP) to view some 3D medical images in pyqtgraph using GLVolumeItem. I see that there are three pre-defined GLOptions
settings. The translucent
and additive
mode both look like MIP. So my questions are
- Is it the real MIP view? If not, how should I change the
GLOptions
(e.g.,GL_DEPTH_TEST
,GL_BLEND
, etc)? - Is there a website that contains the GL configurations (e.g.,
GL_DEPTH_TEST
,GL_BLEND
, etc) for different display mode?
Update:
From this website, I set the GLOptions
to be
ANSWER
Answered 2019-Jul-15 at 20:59Finally I found the answer:
QUESTION
I try to display a 3D volume (https://midas3.kitware.com/midas/item/34776) using VTK and Qt using a QVTKOpenGLWidget. I can display and interact with axes, sphere, cones... but the 3D volume does not show up in the scene.
I can display the volume correctly when using the example from VTK (https://www.vtk.org/Wiki/VTK/Examples/Cxx/VolumeRendering/SmartVolumeMapper).
Here is the minimal example (VTK 8.1.1, Qt 5.10.1, Win10):
...ANSWER
Answered 2018-Oct-16 at 09:22After comparing with the code example from here I found the solution. The error was not in the code snippets in the question but in the main() where:
QUESTION
I want to read series of DICOMs images and rendering them into a 3d volume. For this purpose I am using this code except that I used:
...ANSWER
Answered 2018-Jun-18 at 06:15It was looking for vtkOpenGLRayCastImageDisplayHelper, in vtkRenderingVolumeOpenGL2. By linking program to vtkRenderingVolumeOpenGL2 the error will disappear.
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