int main()
{
Graph G;
GraphAttributes GA(G,
GraphAttributes::nodeGraphics |
GraphAttributes::edgeGraphics |
GraphAttributes::nodeLabel |
GraphAttributes::edgeStyle |
GraphAttributes::nodeStyle |
GraphAttributes::nodeTemplate);
GraphIO::readGML(GA, G, "ERDiagram.gml");
PlanarizationLayout pl;
SubgraphPlanarizer *crossMin = new SubgraphPlanarizer;
FastPlanarSubgraph *ps = new FastPlanarSubgraph;
ps->runs(100);
VariableEmbeddingInserter *ves = new VariableEmbeddingInserter;
ves->removeReinsert(rrAll);
crossMin->setSubgraph(ps);
crossMin->setInserter(ves);
EmbedderMinDepthMaxFaceLayers *emb = new EmbedderMinDepthMaxFaceLayers;
pl.setEmbedder(emb);
OrthoLayout *ol = new OrthoLayout;
ol->separation(20.0);
ol->cOverhang(0.4);
pl.setPlanarLayouter(ol);
pl.call(GA);
GraphIO::writeGML(GA, "ERDiagram-layout.gml");
return 0;
}
int ERLayoutAlgorithm(Graph& G, GraphAttributes& GA) {
PlanarizationGridLayout pl;
SubgraphPlanarizer *crossMin = new SubgraphPlanarizer;
// Get a planar subgraph using Boyer Myrvold Algorithm
PlanarSubgraphBoyerMyrvold *ps = new PlanarSubgraphBoyerMyrvold;
VariableEmbeddingInserter *ves = new VariableEmbeddingInserter;
crossMin->setSubgraph(ps);
crossMin->setInserter(ves);
MixedModelLayout *ol = new MixedModelLayout;
MMCBLocalStretch *cb = new MMCBLocalStretch;
//ol->separation(180.0);
ol->setCrossingsBeautifier(cb);
pl.setPlanarLayouter(ol);
pl.call(GA);
return pl.numberOfCrossings();
}
