Brainapp/bugs and feature requests

Bugs

• Selecting ROIs is really flaky; it seems to work only about a quarter of the time. This needs to be more reliable.
• Brainapp often segfaults on startup. NVIDIA direct rendering fails, which causes an assertion failure in GLG3D.

Full debug/error output

> obj/brainapp-gccx -f /map/gfx0/data/diffusion/st_louis/cognitive_aging.2008.07.20/tubes.2008.08.21/brainapp/settings.cfg -f settings-desktop.cfg
Num args = 5
arg 0 = obj/brainapp-gccx
arg 1 = -f
arg 2 = /map/gfx0/data/diffusion/st_louis/cognitive_aging.2008.07.20/tubes.2008.08.21/brainapp/settings.cfg
arg 3 = -f
arg 4 = settings-desktop.cfg
init ...
run ...
NVIDIA: could not open the device file /dev/nvidia0 (Permission denied).
NVIDIA: Direct rendering failed; attempting indirect rendering.

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Assertion Failure
Debug assertion failure

Expression: glGetString(0x1F00) != __null
/map/gfx0/tools/linux/src/G3D/g3dcvs-707/G3D/GLG3D.lib/source/GLCaps.cpp:217


Choose an option by number:
  (0) Debug
  (1) Ignore
  (2) Ignore Always
  (3) Exit

> 1
1
___________________________________________________
Segmentation fault

Feature Requests

• Overhaul boolean operations on ROIs with color-coding and multiple selection.