63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
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// Copyright 2016, University of Freiburg,
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// Chair of Algorithms and Data Structures.
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// Authors: Patrick Brosi <brosi@informatik.uni-freiburg.de>
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using util::geo::output::Attrs;
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// _____________________________________________________________________________
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template <typename T>
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Line<T> GeoGraphJsonOutput::createLine(const util::geo::Point<T>& a,
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const util::geo::Point<T>& b) {
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Line<T> ret;
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ret.push_back(a);
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ret.push_back(b);
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return ret;
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}
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// _____________________________________________________________________________
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template <typename N, typename E>
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void GeoGraphJsonOutput::print(const util::graph::Graph<N, E>& outG,
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std::ostream& str) {
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GeoJsonOutput _out(str);
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// first pass, nodes
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for (util::graph::Node<N, E>* n : outG.getNds()) {
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if (!n->pl().getGeom()) continue;
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Attrs props = {{"id", toString(n)},
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{"deg", toString(n->getInDeg() + n->getOutDeg())},
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{"deg_out", toString(n->getOutDeg())},
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{"deg_in", toString(n->getInDeg())}};
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n->pl().getAttrs(&props);
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_out.print(*n->pl().getGeom(), props);
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}
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// second pass, edges
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for (graph::Node<N, E>* n : outG.getNds()) {
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for (graph::Edge<N, E>* e : n->getAdjListOut()) {
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// to avoid double output for undirected graphs
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if (e->getFrom() != n) continue;
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Attrs props{{"from", toString(e->getFrom())},
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{"to", toString(e->getTo())},
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{"id", toString(e)}};
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e->pl().getAttrs(&props);
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if (!e->pl().getGeom() || !e->pl().getGeom()->size()) {
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if (e->getFrom()->pl().getGeom()) {
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auto a = *e->getFrom()->pl().getGeom();
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if (e->getTo()->pl().getGeom()) {
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auto b = *e->getTo()->pl().getGeom();
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_out.print(createLine(a, b), props);
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}
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}
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} else {
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_out.print(*e->pl().getGeom(), props);
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}
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}
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}
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_out.flush();
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}
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