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Chapter 11 DME Operations
16
Three-Dimensional Transformation Operations
• To change on the z-axis, rotate the Z-ring.
Parameter values increase as you rotate clockwise, and decrease as you
rotate counterclockwise.
However, when you have pressed the [LOC XYZ] button to move the
image, z-axis parameters increase as you rotate counterclockwise, and
decrease as you rotate clockwise.
If you hold down the [SRC] or [TRGT] button while carrying out the above
operations, the rate of change of the parameters is reduced. (Fine mode)
5
To restrict the change in the transformation to a specific axis, press the [X],
[Y], or [Z] button, tuning it on.
This enables the trackball and Z-ring operations on the selected axis only.
Functions assignable to trackball and Z-ring operations
Button Usable coordinate
space
Trackball x-
direction
Trackball y-
direction
Z-ring
LOC XYZ Source, target Move image on x-
axis
Move image on y-
axis
Move image on z-
axis
ROT Source, target Rotate image on y-
axis
Rotate image on x-
axis
Rotate image on z-
axis
SHIFT+
ROT
Source, target Rotate image on y-
axis (Spin mode)
Rotate image on x-
axis (Spin mode)
Rotate image on z-
axis (Spin mode)
AXIS LOC Source Move x-axis of
rotation
Move y-axis of
rotation
Move z-axis of
rotation
LOC SIZE Source, target Move image on x-
axis
Move image on y-
axis
Magnify and shrink
image
ASP PERS Source Change aspect ratio
on x-axis
Change aspect ratio
on y-axis
Change aspect ratio
on x- and y-axes
simultaneously
Target Shift view point on x-
axis
Shift view point on y-
axis
Change distance
from view point to
image
SHIFT+ ASP
PERS
Source Change skew on x-
axis
Change skew on y-
axis
Change aspect ratio
on x- and y-axes
simultaneously