/[escript]/trunk/pyvisi/py_src/transform.py
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revision 1092 by jongui, Tue Apr 3 02:47:39 2007 UTC revision 1093 by jongui, Sun Apr 15 23:58:53 2007 UTC
# Line 11  class Transform: Line 11  class Transform:
11      @attention: There is a difference between performing rotation first      @attention: There is a difference between performing rotation first
12      followed by translation, and performing translation first followed      followed by translation, and performing translation first followed
13      by rotation.      by rotation.
14    
15        @attention: VTK's coordinate system and translation is NOT 100% accurate.
16        Consequently, performing maximum rotation and translation can potentially
17        yield incorrect results. For instance, rotating a XY plane along the x-axis
18        90 degrees may NOT produce any results (as it is possible that the XY
19        plane has just fallen outside the visible range). However, rotating the
20        XY plane 89.9 degrees instead should produce the correct resutls.
21      """      """
22    
23      def __init__(self):      def __init__(self):

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