OpenVDB support

[neo2068]

Thank you. Blender smoke simulator is very slow and often gives strange results... So would be great to render VDB cash from other programms, like Houdini or Cinema 4d with FumeFX or TFD. Strange why blender no read other VDB files...

LuxCore has support for VDB files from other programs as Dade showed in this post with the densitygrid texture.

Code: Select all

scene.textures.tex.type = densitygrid
scene.textures.tex.nx = 256
scene.textures.tex.ny = 256
scene.textures.tex.nz = 256
scene.textures.tex.wrap = black
scene.textures.tex.openvdb.file = scenes/media/blender-blosc.vdb
scene.textures.tex.openvdb.grid = density
scene.textures.tex.mapping.type = globalmapping3d
scene.textures.tex.mapping.transformation = 1. 0 0 0  0 0 -1. 0  0 .8 0 0  0.5 0.5 0.5 1

I work on the OpenVDB support for the Blender addon. Currently, it is in a very early stage and it doesn't work with e.g. houdini VDB files on my side because the OpenVDB library isn't compiled with blosc support. I have to fix that first. Animations, e.g. automatic file selection according to the current frame doesn't work either.

[Dade]

it is in a very early stage and it doesn't work with e.g. houdini VDB files on my side because the OpenVDB library isn't compiled with blosc support.

It is https://github.com/LuxCoreRender/Window ... /blosc.lib but, may be, is a OpenVDB/Blosc version problem ? I was using the version used by Blender for compatibility (it is a quite old version).

[neo2068]

It is https://github.com/LuxCoreRender/Window ... /blosc.lib but, may be, is a OpenVDB/Blosc version problem ? I was using the version used by Blender for compatibility (it is a quite old version).

Thank you for the hint. I updated the OpenVDB library in the branch to the latest one. Probably I have messed up something in the build configuration. I will check.

[Rivental1]

I work on the OpenVDB support for the Blender addon. Currently, it is in a very early stage and it doesn't work with e.g. houdini VDB files on my side because the OpenVDB library isn't compiled with blosc support. I have to fix that first. Animations, e.g. automatic file selection according to the current frame doesn't work either.

Thank you. It is a very important feature. Now, as i know, only octane can render VDB files inside blender, but i dont like results from octane.