Chapter 11 DME Operations
560
DME
coordinate space, the setting values in the source coordinate space (three-
dimensional parameter values) are converted to values in the target coordinate
space (source/target conversion).
Once a conversion has taken place, the original source coordinate space
parameters do not return to their original values when you switch back to the
source coordinate space. They are reset to zeros.
Source/target conversion occurs in the following operation modes:
• Location XYZ
• Rotation
Transformation Operation Modes
The following operation modes are available for three-dimensional DME
transformations. These operations are carried out in the device control block
(trackball or joystick). (For details, see “Three-Dimensional Transformation
Operations” (page 567).)
Location XYZ
Moves the image on the x-axis, y-axis, or z-axis. The direction of movement
differs depending on whether you are manipulating the image in the source
coordinate space or the target coordinate space.
Image movement in the source coordinate space
Image movement in the target coordinate space
Movement on the x-axis Movement on the y-axis Movement on the z-axis
Movement on the x-axis Movement on the y-axis Movement on the z-axis
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