Standalone Viewers
OpenSubdiv builds a number of standalone viewers that demonstrate various aspects
of the software.
Common Keyboard Controls
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.. code:: c++
Left mouse button drag : orbit camera
Middle mouse button drag : pan camera
Right mouse button : dolly camera
n, p : next/prev model
1, 2, 3, ..., 9, 0 : specify adaptive isolation or uniform refinement level
+, - : increase / decrease tessellation
Tab : toggle full-screen
Esc : turn on / off the HUD
w : switch display mode
q : quit