VISREFHIST (Function)


Read histogram results.


VISREFHIST (<brightness value>)


<brightness value>
Specifies the brightness value of the histogram to read (0 to 255).



WINDMAKE R,1,100,100,0,2
'Set window 1 to rectangle
CAMIN 1
'Obtain a camera image from the storage memory
VISWORKPLN 0
'Set the processing object screen for storage memory 0
VISHIST 1,100,100
'Execute the histogram for window 1 with the coordinates
'(100, 100) as the home position
FOR I1 = 0 TO 255
I2 = VISREFHIST(I1)
'Assign the distribution data of
'the brightness value I1 to I2
VISLOC 10, 10
'Set the display position
VISDEFCHAR 1,1,3
'Designate the display character size
'and the display mode
VISPRINT "Distribution data=";I2
NEXT I1


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