O2 MPR problem?

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Mark Davey (mkd@medphys.ucl.ac.uk)
Thu, 21 Oct 1999 12:39:44 -0700

I am developing a large application around Volumizer. I develop the
software on an Onyx2 but wish to keep the code portable to as many SG
platforms as I can. I have adapted the Multi-Planar reformatting example
to provide othogonal reslicing of the volume (maybe not the most
efficient way of doing this but I want to extend it at a later date to
provide arbitrary reslicing functionality).
This code works fine on the Onyx. However, when run on the O2 I get the
following error

OpenGL Volumizer Error BAD_VALUE: voAppearanceActions::textureLoad():
bad load; possibly brick too large

So, I have struggled to find the source of the problem for some time. It
happens on a

voAppearanceActions::textureBind(...) call.

I happened to run the demo voglMPR1 as given in the README file and I
found the same error occurring. It only happens (I think) after quite
extensive rotation of the data set, i.e. all three copies of the data
set have been utilised.

Can anyone else confirm this behaviour and more importantly, can anyone
suggest a solution???

Mark...

--
From: Mark Davey
Dept. of Medical Physics, UCL.


TEL: +44 (0)171 915 1673.
FAX: +44 (0)171 837 9279.


Institute of Laryngology and Otology,
330 Gray's Inn Road,
London.
WC1X 8GE.

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