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/**********************************************************************
* $Id: PolygonizeDirectedEdge.cpp,v 1.4 2004/10/19 19:51:14 strk Exp $
*
* GEOS - Geometry Engine Open Source
* http://geos.refractions.net
*
* Copyright (C) 2001-2002 Vivid Solutions Inc.
*
* This is free software; you can redistribute and/or modify it under
* the terms of the GNU Lesser General Public Licence as published
* by the Free Software Foundation.
* See the COPYING file for more information.
*
**********************************************************************/
#include <geos/opPolygonize.h>
namespace geos {
/**
* Constructs a directed edge connecting the <code>from</code> node to the
* <code>to</code> node.
*
* @param directionPt
* specifies this DirectedEdge's direction (given by an imaginary
* line from the <code>from</code> node to <code>directionPt</code>)
*
* @param edgeDirection
* whether this DirectedEdge's direction is the same as or
* opposite to that of the parent Edge (if any)
*/
PolygonizeDirectedEdge::PolygonizeDirectedEdge(planarNode *newFrom,
planarNode *newTo, const Coordinate& newDirectionPt,
bool nEdgeDirection): planarDirectedEdge(newFrom, newTo,
newDirectionPt, nEdgeDirection)
{
edgeRing=NULL;
next=NULL;
label=-1;
}
/*
* Returns the identifier attached to this directed edge.
*/
long
PolygonizeDirectedEdge::getLabel() const
{
return label;
}
/*
* Attaches an identifier to this directed edge.
*/
void PolygonizeDirectedEdge::setLabel(long newLabel) {
label=newLabel;
}
/*
* Returns the next directed edge in the EdgeRing that this directed
* edge is a member of.
*/
PolygonizeDirectedEdge *
PolygonizeDirectedEdge::getNext() const
{
return next;
}
/*
* Sets the next directed edge in the EdgeRing that this directed
* edge is a member of.
*/
void
PolygonizeDirectedEdge::setNext(PolygonizeDirectedEdge *newNext)
{
next=newNext;
}
/*
* Returns the ring of directed edges that this directed edge is
* a member of, or null if the ring has not been set.
* @see #setRing(EdgeRing)
*/
bool
PolygonizeDirectedEdge::isInRing() const
{
return edgeRing!=NULL;
}
/*
* Sets the ring of directed edges that this directed edge is
* a member of.
*/
void
PolygonizeDirectedEdge::setRing(polygonizeEdgeRing *newEdgeRing)
{
edgeRing=newEdgeRing;
}
}
/**********************************************************************
* $Log: PolygonizeDirectedEdge.cpp,v $
* Revision 1.4 2004/10/19 19:51:14 strk
* Fixed many leaks and bugs in Polygonizer.
* Output still bogus.
*
* Revision 1.3 2004/10/13 10:03:02 strk
* Added missing linemerge and polygonize operation.
* Bug fixes and leaks removal from the newly added modules and
* planargraph (used by them).
* Some comments and indentation changes.
*
* Revision 1.2 2004/07/02 13:28:29 strk
* Fixed all #include lines to reflect headers layout change.
* Added client application build tips in README.
*
* Revision 1.1 2004/04/08 04:53:56 ybychkov
* "operation/polygonize" ported from JTS 1.4
*
*
**********************************************************************/
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