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/**********************************************************************
* $Id: PointCoordinateSequence.cpp,v 1.2 2004/12/03 22:52:56 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/geom.h>
#include <stdio.h>
namespace geos {
PointCoordinateSequence::PointCoordinateSequence(const CoordinateSequence *c)
{
cached_vector = NULL;
vect=new vector<point_3d>();
point_3d pt;
int size=c->getSize();
for(int i=0; i<size; i++) {
pt.x=c->getAt(i).x;
pt.y=c->getAt(i).y;
pt.z=c->getAt(i).z;
vect->push_back(pt);
}
}
PointCoordinateSequence::PointCoordinateSequence() {
vect=new vector<point_3d>();
cached_vector = NULL;
}
PointCoordinateSequence::PointCoordinateSequence(int n) {
cached_vector = NULL;
vect=new vector<point_3d>();
// vect->reserve(n);
vect->resize(n);
}
PointCoordinateSequence::PointCoordinateSequence(const Coordinate& c) {
point_3d pt={c.x,c.y,c.z};
vect=new vector<point_3d>(1,pt);
cached_vector = NULL;
}
PointCoordinateSequence::PointCoordinateSequence(const PointCoordinateSequence &c) {
vect=new vector<point_3d>(*(c.vect));
cached_vector = NULL;
}
CoordinateSequence *
PointCoordinateSequence::clone() const
{
return new PointCoordinateSequence(*this);
}
void PointCoordinateSequence::setPoints(const vector<Coordinate> &v) {
delete vect;
vect=new vector<point_3d>();
point_3d pt;
for(unsigned int i=0; i<v.size(); i++) {
pt.x=v[i].x;
pt.y=v[i].y;
pt.z=v[i].z;
vect->push_back(pt);
}
}
void PointCoordinateSequence::setPoints(vector<point_3d> &v) {
vect=new vector<point_3d>(v);
}
const vector<Coordinate>*
PointCoordinateSequence::toVector() const
{
if ( cached_vector ) return cached_vector;
vector<Coordinate>* v=new vector<Coordinate>();
for(unsigned int i=0; i<vect->size(); i++)
{
Coordinate c((*vect)[i].x, (*vect)[i].y, (*vect)[i].z);
v->push_back(c);
}
cached_vector = v;
return v;
}
vector<point_3d>* PointCoordinateSequence::toPointVector() {
return vect;
}
bool PointCoordinateSequence::isEmpty() const {
return vect->empty();
}
void PointCoordinateSequence::add(const Coordinate& c){
delete cached_vector; cached_vector = NULL;
point_3d pt={c.x,c.y,c.z};
vect->push_back(pt);
}
void PointCoordinateSequence::add(point_3d p){
delete cached_vector; cached_vector = NULL;
vect->push_back(p);
}
int PointCoordinateSequence::getSize() const {
return (int) vect->size();
}
const Coordinate& PointCoordinateSequence::getAt(int pos) const {
point_3d pt;
// if (pos>=0 && pos<=vect->size()-1) {
pt=(*vect)[pos];
return *(new Coordinate(pt.x,pt.y,pt.z));
// } else
// throw "PointCoordinateSequence exception: can't retrieve element\n";
}
point_3d PointCoordinateSequence::getPointAt(int pos){
// if (pos>=0 && pos<=vect->size()-1) {
return (*vect)[pos];
// } else
// throw "PointCoordinateSequence exception: can't retrieve element\n";
}
void PointCoordinateSequence::setAt(const Coordinate& c, int pos){
point_3d pt={c.x,c.y,c.z};
(*vect)[pos]=pt;
if ( cached_vector ) (*cached_vector)[pos] = c;
}
void PointCoordinateSequence::setAt(point_3d p, int pos){
(*vect)[pos]=p;
Coordinate c(p.x, p.y, p.z);
if ( cached_vector ) (*cached_vector)[pos] = c;
}
void PointCoordinateSequence::deleteAt(int pos){
vect->erase(vect->begin()+pos);
if ( cached_vector ) cached_vector->erase(cached_vector->begin()+pos);
}
string PointCoordinateSequence::toString() const {
string result("");
if (getSize()>0) {
char buffer[100];
for (unsigned int i=0; i<vect->size(); i++) {
point_3d c=(*vect)[i];
sprintf(buffer,"(%g,%g,%g) ",c.x,c.y,c.z);
result.append(buffer);
}
result.append("");
}
return result;
}
PointCoordinateSequence::~PointCoordinateSequence() {
delete vect;
delete cached_vector;
}
} // namespace geos
/**********************************************************************
* $Log: PointCoordinateSequence.cpp,v $
* Revision 1.2 2004/12/03 22:52:56 strk
* enforced const return of CoordinateSequence::toVector() method to derivate classes.
*
* Revision 1.1 2004/07/08 19:38:56 strk
* renamed from *List* equivalents
*
**********************************************************************/
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