BLOBLABEL
(Statement)
Obtain the label number for designated coordinates.
BLOBLABEL(<coordinate X>, <coordinate Y>)
<coordinate X>
Designates the X coordinate (0 to 511).
<coordinate Y>
Designates the Y coordinate (0 to 479).
Example of label number obtaining
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Before executing this function, you need to execute labeling with BLOB beforehand.
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Obtain the label number present for the designated coordinates.
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If there is no label number present, -1 is returned.
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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,1,512,480,0,2
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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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BLOB 1,0,0,0,128
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'Execute labeling
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IF VISSTATUS(0)=0.0 THEN
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IF VISSTATUS(1)<>0.0 THEN
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IF BLOBLABEL(100,100)<>-1 THEN
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VISLOC 100,100,1
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VISPRINT "Label number =";BLOBLABEL(100,100)
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END IF
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END IF
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END IF
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