minarea

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Name

minarea - min operator over a local window

Syntax

 #include <xite/minmax.h>

 BiffStatus minarea( IBAND in_band,
    IBAND out_band, int dx, int dy );

Description

minarea computes minimum over a local region around (x,y) of size dx * dy. This minimum value replaces the center pixel in out_band.

Restrictions

in_band and out_band must have pixel type unsigned byte.

Return value

 0 => ok
 1 => bad pixel type in_band
 2 => bad pixel type out_band
 3 => bad dx value
 4 => bad dy value

Author

Otto Milvang and Tor Lønnestad, BLAB, Ifi, UiO

Examples

minarea(b1, b2, 3, 5);

Id

$Id: minarea.c,v 1.29 1997/01/10 16:11:15 svein Exp $