bkGet
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Input
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An integer between 1 and 116 specifying the frame number of the image. Values in the range of 100-116 correspond to hidden frames.
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The background value currently assigned to the image.
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ERR_OK
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The flag set if successful.
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ERR_FAILED
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The flag set if failed.
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The following operator sets the background of an image to the maximum intensity found in the image, retrieves the assigned background and prints its value.
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grabIm(1)
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bkAssign(1)
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Print bkGet(1)
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