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/**
*
* This file is part of Tulip (https://tulip.labri.fr)
*
* Authors: David Auber and the Tulip development Team
* from LaBRI, University of Bordeaux
*
* Tulip 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 3
* of the License, or (at your option) any later version.
*
* Tulip 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 General Public License for more details.
*
*/
#ifndef _MixedModel_H
#define _MixedModel_H
#include <tulip/LayoutProperty.h>
#include <tulip/PlanarConMap.h>
#include <tulip/tuliphash.h>
/** \addtogroup layout */
/** This plugin is an implementation of the planar polyline graph
* drawing algorithm, the mixed model algorithm, first published as:
*
* C. Gutwenger and P. Mutzel, \n
* "Planar Polyline Drawings with Good Angular Resolution", \n
* "Lecture Notes In Computer Science, Vol. 1547" \n
* "Proceedings of the 6th International Symposium on Graph Drawing (GD 1998)," \n
* pages "167--182", 1999, doi: <a
* href=\"https://doi.org/10.1007/3-540-37623-2_13\">https://doi.org/10.1007/3-540-37623-2_13</a>\n
*
* Let n be the number of nodes, the original algorithm complexity is in O(n).\n
* But the implementation of the canonical ordering has not been made in O(n).\n
* This version of the algorithm considers each connected component of the graph,
* tests if it is planar or not. If not, it computes a planar subgraphs, which is
* a maximal planar "sub-map". Then an area aware version of Gutwenger and Mutzel 's
* algorithm is used, and if the connected component was not planar, it adds the
* "unplanar" edges in 3D. Finally, it uses the Connected Component Packing plugin
* of Tulip Software to pack the connected components.\n
*
*/
class MixedModel : public tlp::LayoutAlgorithm {
public:
PLUGININFORMATION("Mixed Model", "Romain BOURQUI ", "09/11/2005",
"Implements the planar polyline graph drawing algorithm, the mixed model "
"algorithm, first published as:<br/>"
"<b>Planar Polyline Drawings with Good Angular Resolution</b>, C. Gutwenger "
"and P. Mutzel, LNCS, Vol. 1547 pages 167--182 (1999),<br/>"
"doi: <a "
"href=\"https://doi.org/10.1007/3-540-37623-2_13\">https://doi.org/10.1007/"
"3-540-37623-2_13</a>",
"1.0", "Planar")
MixedModel(const tlp::PluginContext *context);
~MixedModel() override;
bool run() override;
bool check(std::string &) override;
private:
std::vector<tlp::edge> getPlanarSubGraph(tlp::PlanarConMap *graph,
const std::vector<tlp::edge> &unplanar_edges);
void initPartition();
void assignInOutPoints();
void computeCoords();
void placeNodesEdges();
tlp::edge existEdge(tlp::node n, tlp::node v) {
return carte->existEdge(n, v, false);
}
tlp::node rightV(unsigned int k);
tlp::node leftV(unsigned int k);
int next_right(unsigned int k, const tlp::node v);
int next_left(unsigned int k, const tlp::node v);
tlp::PlanarConMap *carte;
std::vector<std::vector<tlp::node>> V;
tlp_hash_map<tlp::node, tlp::Coord> NodeCoords;
tlp_hash_map<tlp::node, int> outl;
tlp_hash_map<tlp::node, int> outr;
tlp_hash_map<tlp::node, int> inl;
tlp_hash_map<tlp::node, int> inr;
tlp_hash_map<tlp::node, unsigned int> rank;
tlp_hash_map<tlp::node, std::vector<tlp::edge>> EdgesIN;
tlp_hash_map<tlp::node, std::vector<tlp::edge>> EdgesOUT;
tlp_hash_map<tlp::edge, std::vector<tlp::Coord>> InPoints;
tlp_hash_map<tlp::edge, tlp::Coord> OutPoints;
tlp::Graph *Pere;
tlp::PlanarConMap *graphMap;
tlp::Graph *currentGraph;
std::vector<tlp::edge> dummy;
tlp_hash_map<tlp::node, std::vector<tlp::Coord>> out_points;
tlp::MutableContainer<tlp::Coord> nodeSize;
std::vector<tlp::edge> unplanar_edges;
bool planar;
tlp::SizeProperty *sizeResult;
tlp::IntegerProperty *shapeResult;
};
#endif
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