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Name

im_hist - create a displayable histogram from an image

Synopsis

#include <vips/vips.h>

int im_hist( in, plotofhist, bandno )
IMAGE *in, *plotofhist;
int bandno;

Description

im_hist() creates a displayable histogram file for the image held by the image descriptor in. The created displayable histogram is held in the IMAGE descriptor plotofhist. If bandno == -1 a displayable histogram of all input bands is created else the histogram of bandno only is created.

See im_histplot(3) for rules on the size and scaling og the result.

Return Value

All functions returns 0 on success and -1 on error.

See Also

im_histgr(3) , im_histplot(3) .

Copyright

N. Dessipris

Author

N. Dessipris - 10/05/1991


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