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/*
* vim: ts=4 sw=4 et tw=0 wm=0
*
* libcola - A library providing force-directed network layout using the
* stress-majorization method subject to separation constraints.
*
* Copyright (C) 2006-2008 Monash University
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library in the file LICENSE; if not,
* write to the Free Software Foundation, Inc., 59 Temple Place,
* Suite 330, Boston, MA 02111-1307 USA
*
*/
/** \file
* Interface between Inkscape code (SPItem) and graphlayout functions.
*
* Authors:
* Tim Dwyer <tgdwyer@gmail.com>
*/
#include <iostream>
#include <vector>
#include <algorithm>
#include <float.h>
#include <libcola/cola.h>
//#include <libvspc/exceptions.h>
#include <libvpsc/constraint.h>
#include "graphlayouttest.h"
using namespace std;
using namespace cola;
int main() {
const unsigned V = 2;
typedef pair < unsigned, unsigned >Edge;
Edge edge_array[] = { Edge(0, 1) };
unsigned E = sizeof(edge_array) / sizeof(Edge);
vector<Edge> es(edge_array,edge_array+E);
double width=100;
double height=100;
vector<vpsc::Rectangle*> rs;
for(unsigned i=0;i<V;i++) {
double x=getRand(width), y=getRand(height);
rs.push_back(new vpsc::Rectangle(x,x+5,y,y+5));
}
ConstrainedFDLayout alg(rs, es, width/2);
CompoundConstraints ccs;
AlignmentConstraint ac(vpsc::YDIM);
ccs.push_back(&ac);
ac.addShape(0,0);
ac.addShape(5,0);
alg.setConstraints(ccs);
try {
alg.run();
} catch (cola::InvalidVariableIndexException& e) {
cerr << e.what() << endl;
return 0;
}
//assert(fabs(rs[0]->getCentreX()-rs[3]->getCentreX())<0.001);
cout<<rs[0]->getCentreX()<<","<<rs[1]->getCentreX()<<endl;
//output_svg(rs,es,"unsatisfiable.svg");
for(unsigned i=0;i<V;i++) {
delete rs[i];
}
return 1;
}
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=4:softtabstop=4:textwidth=99 :
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