gethgram(3G)							  gethgram(3G)

NAME    [Toc]    [Back]

     gethgram -	 gets histogram	data computed by hgram

C SPECIFICATION    [Toc]    [Back]

     void gethgram(unsigned long *hist)

PARAMETERS    [Toc]    [Back]

     hist   is the destination for the histogram data specified	with hgram.
	    Hist must be at least (number of bins per component) x (number of
	    components per pixel) long.

DESCRIPTION    [Toc]    [Back]

     gethgram returns the histogram from the graphics system to	the CPU
     memory. The ordering of the components for	each FORMAT are	RGBA for 4
     component pixels, RGB for three component pixels, LA for two component
     pixels, L for one component pixels.

SEE ALSO    [Toc]    [Back]

     hgram minmax getminmax pixeltransfer pixelmap pixmode

NOTES    [Toc]    [Back]

     gethgram only works on RealityEngine systems running 5.0.1	or greater.


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