37 lines
798 B
Groff
37 lines
798 B
Groff
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.TH IM_HIST 3 "10 May 1991"
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.SH NAME
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im_hist \- create a displayable histogram from an image
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.SH SYNOPSIS
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.B #include <vips/vips.h>
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.B int im_hist( in, plotofhist, bandno )
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.br
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.B IMAGE *in, *plotofhist;
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.br
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.B int bandno;
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.SH DESCRIPTION
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.B im_hist()
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creates a displayable histogram file for the image held by the image
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descriptor
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.B in.
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The created displayable histogram is held in the IMAGE
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descriptor
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.B plotofhist.
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If
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.B bandno
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== -1 a displayable histogram of all input bands
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is created else the histogram of bandno only is created.
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See
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.B im_histplot(3)
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for rules on the size and scaling og the result.
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.SH RETURN VALUE
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All functions returns 0 on success and -1 on error.
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.SH SEE\ ALSO
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im_histgr(3), im_histplot(3).
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.SH COPYRIGHT
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N. Dessipris
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.SH AUTHOR
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N. Dessipris \- 10/05/1991
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