abcstitcher : additional channels e.g. velocity, not handled

[Nicholas Yue]

Hi,

I am able to add velocities to the particles via the setVelocities
method, the individual alembic files I have contains the velocities "v",
I can see them in Houdini

When I tried to stitch them together and imported the single ABC
file into Houdini, the "v" channel is lost.

Any tips/trick around this problem ? I am using abcstitcher from 1.0.5

Regards

--
Nicholas Yue
Graphics - RenderMan, Visualization, OpenGL, HDF5
Custom Dev - C++ porting, OSX, Linux, Windows
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http://www.proceduralinsight.com/
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[Lucas Miller]

abcstitcher hasn't been updated to support velocities.

A potential temporary work around would be to include the velocity data in the arbitrary geometry parameters.

I'm not familiar enough with the Houdini exporter to know if this is possible.

Lucas

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[Lucas Miller]

Try this fix:

http://code.google.com/r/millerlucas-dev/source/detail?r=690e5508402414fc6b022ef132b84b472526dc5d

If that doesn't work, could you please send me an example?

Lucas

[Nicholas Yue]

On 17/05/12 10:52, Lucas Miller wrote:
> Try this fix:
> http://code.google.com/r/millerlucas-dev/source/detail?r=690e5508402414fc6b022ef132b84b472526dc5d
>

Hi Lucas,

The updated AbcStitcher.cpp and util.cpp works fine.

I now have a single Alembic file containing both the positions and
velocities.

Thank you.