 trunk/pyvisi/py_src/transform.py 2007/06/18 02:08:34 1197
+++ trunk/pyvisi/py_src/transform.py 2007/06/20 05:01:30 1199
@@ 28,12 +28,13 @@
followed by translation, and performing translation first followed
by rotation.
 @attention: VTK's coordinate system and translation is NOT 100% accurate.
+ @attention: VTK's coordinate system and translation is NOT 100% precise.
Consequently, performing maximum rotation and translation can potentially
yield incorrect results. For instance, rotating a XY plane along the xaxis
90 degrees may NOT produce any results (as it is possible that the XY
 plane has just fallen outside the visible range). However, rotating the
 XY plane 89.9 degrees instead should produce the correct resutls.
+ plane has just fallen outside the visible range). Therefore, rotating the
+ XY plane 89.9 degrees instead, should be a better option in order to
+ produce the correct results.
"""
def __init__(self):
@@ 41,7 +42,7 @@
Initialise the transform object.
"""
 # NOTE: VTK's coordinates are not 100% accurate. The origin is not
+ # NOTE: VTK's coordinates are not 100% precise. The origin is not
# exaclty (0,0,0) and the normal is not exactly (0, 0, 1). There is a
# slight variance. As a result, a slight alteration has to be done
# in order for the plane to be displayed correctly. Otherwise, the
@@ 195,6 +196,3 @@


