VISFILTER
(Statement)
Execute filtering on the screen.
VISFILTER <window number>, <coordinate X>, <coordinate Y>, <process screen>, <storage screen>
[, <mode>]
<window number>
Specifies the window number (0 to 511).
<coordinate X>
Specifies the X coordinate (0 to 511).
<coordinate Y>
Specifies the Y coordinate (0 to 479).
<process screen>
Specifies the storage memory number (0 to 3).
<storage screen>
Specifies the storage memory number to store filtering results (0~3).
<mode>
Specifies the type of filtering (3 x 3 space filtering).
0: minimum value filtering
1: maximum value filtering
If this is ignored, 0 will be the default setting.
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If the process screen and the storage screen have the same number, an error will result.
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Designate the process area with a window.
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If the designated window position is out of screen, the execution will result in an error.
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The only possible window shape that may be designated is a rectangle with 0 degrees. If another window shape is designated, an error will result.
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For this instruction, a µVision board (option) is required.
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VISSCREEN 1,0,1
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'Instantaneously draw on drawing screen 0
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WINDMAKE R,1,100,100,0,2
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'Set window 1 to rectangle
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CAMIN 1
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'Obtain a camera image from the storage memory
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VISPLNOUT 1
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'Display storage memory 1 on the monitor
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VISFILTER 1,100,100,0,1,0
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'
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VISFILTER 1,100,100,1,0,0
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'
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VISFILTER 1,100,100,0,1,0
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'
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VISFILTER 1,100,100,1,0,0
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'
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VISFILTER 1,100,100,0,1,0
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'
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WINDDISP 1
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'Draw the window
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