NURB patch documentation error

[James W. W. <ja...@wr...>]

It looks like the documentation of TQ3NURBPatchData is wrong, both in 
QuesaGeometry.h and in the QD3D manual.  I thought I'd mention it 
here before changing QuesaGeometry.h, just in case I am 
misunderstanding something.

The description of the uKnots field says "Array of knots in the u 
parametric direction.  The number of these knots is the sum of uOrder 
and numColumns.  The values must be nondecreasing."  That implies 
that numColumns is the number of control points in the u direction. 
But the description of numColumns is "Number of control points in the 
v parametric equation.".  So, at least one of these must be wrong. 
I've come to the conclusion that the descriptions of numRows and 
numColumns are swapped.  That seems to be consistent with the NURB 
patch example in Geom Test.
-- 
   James W. Walker, ScriptPerfection Enterprises, Inc.
   <http://www.write-brain.com/>