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Re: Displaying large volumes


> Currently I am trying to display large volumes.  As far as I know, there
> are two different procedures to assist with this task.  This first being
> xvolume and the second being slicer3.  So far with xvolume, I could only
> display a volume of ruffly 1024x1024x25.  Any larger, my system would
> crash or just manuver so slowly the volume displayment was useless.  With
> slicer3, I was able to display volumes up to 1024x1024x100.  After this
> slicer3 just manuvered too slowly.  However, I like to GUI with xvolume
> much better.
> I need to display volumes that are much larger then this.  I was wondering
> if anyone else has visualized larger volumes and how you did this?  And
> what type of system you are running.  Currently I'm running a 400 MHz G4
> with 576 MB of memory and a PCI ATI Rage with 16 MB of VRAM.  However, If
> it ment displaying larger images, I am willing to buy a better machine.
> Thanks in advance,
> Alan

Can you use rebin/congrid to lower your 3d grid resolution in X and Y to allow
you to use a bigger array in Z?  It seems like any volumetric rendering
routine is not going to be able to make use of so much resolution in X and Y
anyway.  I'm sure you've thought of this though.