energybased.cpp

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#include <ogdf/energybased/FMMMLayout.h>
#include <ogdf/fileformats/GraphIO.h>
 
using namespace ogdf;
 
int main()
{
    Graph G;
    GraphAttributes GA(G);
    if (!GraphIO::read(G, "sierpinski_04.gml")) {
        std::cerr << "Could not load sierpinski_04.gml" << std::endl;
        return 1;
    }
 
    for (node v : G.nodes)
        GA.width(v) = GA.height(v) = 5.0;
 
    FMMMLayout fmmm;
 
    fmmm.useHighLevelOptions(true);
    fmmm.unitEdgeLength(15.0);
    fmmm.newInitialPlacement(true);
    fmmm.qualityVersusSpeed(FMMMOptions::QualityVsSpeed::GorgeousAndEfficient);
 
    fmmm.call(GA);
    GraphIO::write(GA, "output-energybased-sierpinski-layout.gml", GraphIO::writeGML);
    GraphIO::write(GA, "output-energybased-sierpinski-layout.svg", GraphIO::drawSVG);
 
    return 0;
}