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8.
Set a pitch of the angle to arrange the cells (cell
pitch) in 0.1 degree (*1).
When it is set to 10.0 (Default), 36 cells are arranged
at every 10 degree for measuring whole
circumference.
Set it to a smaller value to arrange more cells.
When a negative value is specified, cell numbers are
assigned from the start cell counterclockwise.
If the number of cells increases and they overlaps
each other, only two cells are displayed from the start
angle.
*1) In Diameter measurement mode, the number of
cells must be always even. Therefore, it may not be
specified by 0.1 degree.
9.
After setting the cell pitch is completed, press the CANCEL key.
How to exclude from inspection (Mask area)
Mask areas, where checker does no inspection, can be set in an inspection area. Set a start point and an end
point of a cell to be excluded from inspection. The number of mask areas is not limited. Follow the same steps
used for "Flow Detection" checker.
Page 141
Assignment of cell numbers
Cell numbers are assigned to the arranged cells from the start
angle. When a mask area has been set, it is also possible not
to assign a cell number to the mask area (to skip the cell in the
mask area).
1.
Select "Virtual Circle Detect Condition".
2.
Select either "Mask Area Include" or "Mask Area
Exclude" in "Result No. Assignment".
Mask Area Include (Default):
Assign cell numbers to the cells masked.
Mask Area Exclude:
Not assign cell numbers to the cells masked.
The right figure shows an example of the difference in the
results of cell number assignment when the lower-left
three cells (dotted line) are masked.
X (Left/right key of
Y (Up/down key of
the keypad)
the keypad)
CP X coordinate of the
Y coordinate of the
center of the circle
center of the circle
R
Radius of the circle
Radius of the circle
X
Y
W
Width-X of cell
Width-Y of cell
SA Start Angle
EA End Angle
AP Cell pitch (+/-90, except 0)
* Tilting the arrow keys (left/right/up/down)
pressing the SHIFT key enables to specify SA,
EA and AP by 0.1 degree.
* In Diameter measurement mode, there is no
EA: End angle.
Mask Area Include
Mask Area Exclude
173
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