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REGIONCONVEXHULL
Section: C Library Functions (3)
Updated: 16 Mar 1998
Index
NAME
regionConvexHull - find the convex hull of a region
SYNTAX
#include <
xite/region.h>
region *regionConvexHull( region* reg );
DESCRIPTION
regionConvexHullfinds the convex hull of the inputregion
reg.The convex hull is the smallest convexregion containing the whole input region. The convexhull is returned as function value.
RESTRICTIONS
reg should not be nil.
SEE ALSO
regionAnalyse(1),
regionConvexHull(1),
regionArea(3),
regionCreate(3),
regionDraw(3),
regionFree(3),
regionHistoUpdate(3),
regionHisto(3),
regionImoment(3),
regionInsertYline(3),
regionDeleteYline(3),
regionEndInsert(3),
regionXmean(3),
regionYmean(3),
regionMean(3),
regionXmin(3),
regionXmax(3),
regionYmin(3),
regionYmax(3),
regionMinMax(3),
regionCMoment(3),
regionPMoment(3),
regionMoment(3),
regionPerform(3),
regionPerimeter(3),
regionIsPoint(3),
regionPoint(3),
regionSearch(3),
regionSort(3),
regionCopy(3),
regionUnion(3),
regionOverlap(3),
regionNeighbor(3),
regionVolume(3),
regionYline(3)
RETURN VALUE
The convex hull if ok, nil otherwise.
DIAGNOSTICS
error 2 : "input region is nil"
error 3 : "malloc failed", ran out of virtual memory
AUTHOR
Tor Lønnestad, BLAB, Ifi, UiO
ID
$Id: regionConvexHull.c,v 1.20 1997/01/16 16:07:37 svein Exp $
Index
- NAME
- SYNTAX
- DESCRIPTION
- RESTRICTIONS
- SEE ALSO
- RETURN VALUE
- DIAGNOSTICS
- AUTHOR
- ID
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