Panasonic PV500 User Manual page 217

Machine vision system imagechecker
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For Approximate Circle
Selecting "All Points" enables to set multiple points detected by one
checker in block.
In this section, enter all the coordinate positions of the object detected by
Smart Edge (Line) in the point 0.
The procedures for setting "Reference" of Approximate Line and
Approximate Ellipse are the same as that of Approximate Circle.
1.
Select No.0: Point from the list, and select "All
Points".
The list of checkers which can be input is displayed.
For details of selectable checkers, see page 216.
Unset checkers are shown in gray and cannot be
selected.
The procedure for setting "Reference" when selecting
"Point" is the same as that of Distance Point - Point.
2.
Select "SEL: Smart Edge (Line)" from the list.
The list of Smart Edge (Line) checker is displayed.
3.
Select Checker No. 000.
The list of result types is displayed.
4.
Select "Cell Individual Result0".
The selected data is displayed in a symbol for No.0 in
the list.
Set as necessary after No.1.
"All Points" and "Point" can be mixed (e.g. set No.0 to
"All Points" and set No.1 to "Point").
When points which cannot be detected by the specified "Target" checker for some reason as below exist, the
approximate circle, approximate ellipse and approximate line will be calculated with the coordinate values of
the detected points only.
-
When the specified checker did not detect edges or objects
-
When the cell individual result of the specified Smart Edge (Circle) or Smart Edge (Line) was
excluded by the denoising function.
However, the calculation cannot be executed when the number of detected points is less than each minimum
number of points for Approximate Circle, Approximate Ellipse and Approximate Line.
215

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