Man page - vistaiogetpixel(3)
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Manual
VistaIOGetPixel
NAMESYNOPSIS
ARGUMENTS
DESCRIPTION
RETURN VALUES
SEE ALSO
NOTES
AUTHOR
NAME
VistaIOGetPixel, VistaIOSetPixel - get and set pixel values
SYNOPSIS
#include <vistaio.h>
VistaIODouble VistaIOGetPixel ( image , band , row , column )
VistaIOImage
image
;
int
band
,
row
,
column
;
void VistaIOSetPixel ( image , band , row , column , value )
VistaIOImage
image
;
int
band
,
row
,
column
;
VistaIODouble
value
;
ARGUMENTS
|
image |
Specifies the image containing the pixel. |
band , row , column
Specify the band, row, and column of the pixel.
|
value |
Specifies the pixel’s new value. |
DESCRIPTION
VistaIOGetPixel fetches the value of the specified pixel and returns it as a VistaIODouble , casting it from the image’s actual pixel representation if necessary.
VistaIOSetPixel sets the specified pixel to value , casting it to the image’s actual pixel representation if necessary.
RETURN VALUES
VistaIOGetPixel returns the value of the specified pixel.
SEE ALSO
VistaIOImage (3),
NOTES
If the image is known to have a particular pixel representation then the VistaIOPixel macro (see VistaIOImage (3)) can be used, instead, yielding greater efficiency.
AUTHOR
Art Pope <pope@cs.ubc.ca>
Adaption to vistaio: Gert Wollny <gw.fossdev@gmail.com>