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Chapter 3 Three-Dimensional Transformations
3
Three-Dimensional Transformations
Changing the Skew, Aspect Ratio or Perspective of the Image
Changing the Perspective of the Image
By moving the virtual viewpoint of the image along the z-axis (in
the target coordinate frame), you can change the apparent
perspective of the image.
Procedure
To change the perspective of the image, use the following
procedure in the transformation operation section.
1
In the function allocation section, press the TRGT button,
turning it on.
2
In the transformation mode selection section, press the ASP/
SKEW/PERS button, turning it on.
3
Use the trackball to move the viewpoint in the x- and y-
directions.
Turn the Z-ring to change the perspective in the z-direction.
Moving the viewpoint in the x-direction
X
Y
Z
RUN
CTRL
CURSR
TRGT
SRCE
ASP
SKEW
PERS
LOC
SIZE
LOC
XYZ
VELO
HOLD
CTR
ORTHG
AXIS
LOC
ROT
SEL/FINE
Control panel operation
Change in
viewpoint position
TRGT button
ASP/SKEW/PERS
button