absDiff
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Name
absDiff - absolute difference between two bands
Syntax
#include <xite/arithmetic.h>
int absDiff( IBAND input1, IBAND input2,
IBAND output );
Description
absDiff calculates, pixel by pixel, the
absolute value of the grey level difference
between the two input images.
If the result is outside the pixeltype range, the result is
limited.
Restrictions
Accepts all pixeltypes, as long as all three bands
have the same pixeltype.
Return value
0 => ok
1 => bands have different pixel types
2 => unknown pixel type
See also
absDiff(1), signDiff(3), addw(3), multiply(3), divide(3)
Author
Tor L|nnestad, BLAB, ifi, UiO
Id
$Id: absDiff.c,v 1.30 1997/05/27 14:47:53 svein Exp $