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/**********************************************************************
* $Id: NodeMap.cpp,v 1.5 2004/11/20 15:45:47 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/geomgraph.h>
#define DEBUG 0
namespace geos {
NodeMap::NodeMap(NodeFactory *newNodeFact)
{
#if DEBUG
cerr<<"["<<this<<"] NodeMap::NodeMap"<<endl;
#endif
nodeFact=newNodeFact;
nodeMap=new map<Coordinate,Node*,CoordLT>();
}
NodeMap::~NodeMap()
{
map<Coordinate,Node*,CoordLT>::iterator it=nodeMap->begin();
for (;it!=nodeMap->end();it++) {
Node *node=it->second;
delete node;
}
delete nodeMap;
delete nodeFact;
}
Node*
NodeMap::addNode(const Coordinate& coord)
{
#if DEBUG
cerr<<"["<<this<<"] NodeMap::addNode("<<coord.toString()<<")";
#endif
Node *node=find(coord);
if (node==NULL) {
#if DEBUG
cerr<<" is new"<<endl;
#endif
node=nodeFact->createNode(coord);
(*nodeMap)[coord]=node;
}
else
{
#if DEBUG
cerr<<" already found ("<<node->getCoordinate().toString()<<") - adding Z"<<endl;
#endif
node->addZ(coord.z);
}
return node;
}
// first arg cannot be const because
// it is liable to label-merging ... --strk;
Node*
NodeMap::addNode(Node *n)
{
#if DEBUG
cerr<<"["<<this<<"] NodeMap::addNode("<<n->print()<<")";
#endif
Node *node=find(n->getCoordinate());
if (node==NULL) {
#if DEBUG
cerr<<" is new"<<endl;
#endif
(*nodeMap)[n->getCoordinate()]=n;
return n;
}
#if DEBUG
else
{
cerr<<" found already, merging label"<<endl;
const vector<double>&zvals = n->getZ();
for (unsigned int i=0; i<zvals.size(); i++)
{
node->addZ(zvals[i]);
}
}
#endif // DEBUG
node->mergeLabel(n);
return node;
}
void
NodeMap::add(EdgeEnd *e)
{
Coordinate& p=e->getCoordinate();
Node *n=addNode(p);
n->add(e);
}
/*
* @return the node if found; null otherwise
*/
Node*
NodeMap::find(const Coordinate& coord) const
{
map<Coordinate,Node*,CoordLT>::iterator found=nodeMap->find(coord);
if (found==nodeMap->end())
return NULL;
else
return found->second;
}
map<Coordinate,Node*,CoordLT>::iterator
NodeMap::iterator() const
{
return nodeMap->begin();
}
//Doesn't work yet. Use iterator.
//public Collection NodeMap::values(){
// return nodeMap.values();
//}
vector<Node*>*
NodeMap::getBoundaryNodes(int geomIndex) const
{
vector<Node*>* bdyNodes=new vector<Node*>();
map<Coordinate,Node*,CoordLT>::iterator it=nodeMap->begin();
for (;it!=nodeMap->end();it++) {
Node *node=it->second;
if (node->getLabel()->getLocation(geomIndex)==Location::BOUNDARY)
bdyNodes->push_back(node);
}
return bdyNodes;
}
string
NodeMap::print() const
{
string out="";
map<Coordinate,Node*,CoordLT>::iterator it=nodeMap->begin();
for (;it!=nodeMap->end();it++) {
Node *node=it->second;
out+=node->print();
}
return out;
}
}
/**********************************************************************
* $Log: NodeMap.cpp,v $
* Revision 1.5 2004/11/20 15:45:47 strk
* Fixed Z merging in addNode(Node *)
*
* Revision 1.4 2004/11/20 15:41:41 strk
* Added Z merging in ::addNode
*
* Revision 1.3 2004/10/21 22:29:54 strk
* Indentation changes and some more COMPUTE_Z rules
*
* Revision 1.2 2004/07/02 13:28:26 strk
* Fixed all #include lines to reflect headers layout change.
* Added client application build tips in README.
*
* Revision 1.1 2004/03/19 09:48:45 ybychkov
* "geomgraph" and "geomgraph/indexl" upgraded to JTS 1.4
*
* Revision 1.12 2003/11/07 01:23:42 pramsey
* Add standard CVS headers licence notices and copyrights to all cpp and h
* files.
*
*
**********************************************************************/
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