[info-performer] Questions regarding shared memory and video capture

pchen++at++mail.eecis.udel.edu
Date: 09/06/2005 11:47:28

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Hey, Everybody,
How are you all doing?
I am now working on a surgical simulation project using Performer and
PHANTOM device on a SGI Prism. The graphic server is runing Redhat Linux.
My first question is for shared memory. In my simulation I built a
pfGeoSet object for an organ model. I then used pfGeoSet::setAttr() to set
the triangular surface meshes into the pfGeoSet. Those tiangle meshes are
saved in an array allocated from the shared memory by pfMalloc. My
question is, before I quit the simulation, I want to free the used shared
memory, whats should I do?
Should I use pfDelete() to delete the pfGeoSet object? Shoudl I use
pfFree() to free the array containing the triangle meshes? Or should I do
both?

My second question is, I want to make a video of my simulation, dose
Performer provide any video output so that I can save each frame of my
simulation into a video file?

If anyone know how to solve these problem? Please let me know.
Thanks in advance

Raymond

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