hpr or phr??

Hi Phillipe,

I'm having a dog of a time getting my rotations to make sense. As far as I 
can discern, G3DTransform applies itself to the MODELVIEW matrix directly,
  and then its up to opengl to discern the rotations. I'm a novice here of 
course, but it seems that the rotations get put into place along the 
global X, Y and Z axes in that order (based on my tests). Are not the hpr 
(heading pitch roll) usually associated with the *local* Y, X and Z axes 
in that order?

The problem is that in my editor, the user will have a base rotation for 
their point of view (say, from the left or looking to the right) and then 
they are applying a local-z or roll rotation to an object in those terms, 
so I have to apply them correctly. Because it seems that opengl applies 
them in a different order, I'm trying to figure out how to use different 
combinations depending on both the user's location and the relative 
rotation. Working in global coordinates is giving me a headache.

B
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