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To change the perspective on the image: With the
[TRGT] button selected in step 2, press the [ASP
PERS] button, turning it on.
You can change the perspective of the image on
the X- and Y-axes with the trackball, and change
the distance to the view point with the Z-ring.
To change the skew of the image: With the [SRC]
button selected in step 2, press the [ASP PERS]
button, turning it on, while holding down the
[SHIFT] button.
You can change the skew of the image along the
X- and Y-axes with the trackball.
4
Depending on the axis of the change, operate the
trackball and Z-ring as follows.
• To change on the X-axis, rotate the trackball
horizontally.
Parameter values increase as you rotate to the right,
and decrease as you rotate to the left.
• To change on the Y-axis, rotate the trackball
vertically.
Parameter values increase as you rotate upward, and
decrease as you rotate downward.
• 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.
To reduce the rate of change of the parameters
(fine mode)
Carry out the trackball or Z-ring operations while
holding down the [SRC] or [TRGT] button.
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
Trackball
coordinate
X-
space
direction
LOC
Source,
Move
XYZ
target
image on
X-axis
ROT
Source,
Rotate
target
image on
Y-axis
SHIFT+
Source,
Rotate
ROT
target
image on
Y-axis
(Spin
mode)
AXIS
Source
Move X-
LOC
axis of
rotation
Move
LOC
Source,
SIZE
target
image on
X-axis
ASP
Source
Change
PERS
aspect
ratio on X-
axis
Target
Shift view
point on
X-axis
SHIFT+
Source
Change
ASP
skew on
PERS
X-axis
Three-Dimensional Parameter
Display
You can check the values of the three-dimensional
parameters in the DME menu.
Three-Dimensional Transformation Operations
Trackball
Z-ring
Y-
direction
Move
Move
image on
image on
Y-axis
Z-axis
Rotate
Rotate
image on
image on
X-axis
Z-axis
Rotate
Rotate
image on
image on
X-axis
Z-axis
(Spin
(Spin
mode)
mode)
Move Y-
Move Z-
axis of
axis of
rotation
rotation
Move
Magnify
image on
and shrink
Y-axis
image
Change
Change
aspect
aspect
ratio on Y-
ratio on X-
axis
and Y-
axes
simultane-
ously
Shift view
Change
point on Y-
distance
from view
axis
point to
image
Change
Change
skew on Y-
aspect
axis
ratio on X-
and Y-
axes
simultane-
ously
285
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