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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.
*
*/
#include <ogdf/planarity/PlanarizationGridLayout.h>
#include <tulip2ogdf/OGDFLayoutPluginBase.h>
using namespace tlp;
using namespace ogdf;
static const char *paramHelp[] = {
// page ratio
"Sets the option pageRatio.",
// number of crossings
"Returns the number of crossings in the computed layout"};
class OGDFPlanarizationGrid : public OGDFLayoutPluginBase {
ogdf::PlanarizationGridLayout *pgl;
public:
PLUGININFORMATION("Planarization Grid (OGDF)", "Carsten Gutwenger", "12/11/2007",
"The planarization grid layout algorithm applies the planarization approach "
"for crossing minimization, combined with the topology-shape-metrics approach "
"for orthogonal planar graph drawing. It produces drawings with few crossings "
"and is suited for small to medium sized sparse graphs. It uses a planar grid "
"layout algorithm to produce a drawing on a grid.",
"1.0", "Planar")
OGDFPlanarizationGrid(const tlp::PluginContext *context)
: OGDFLayoutPluginBase(context, context ? new ogdf::PlanarizationGridLayout() : nullptr),
pgl(static_cast<ogdf::PlanarizationGridLayout *>(ogdfLayoutAlgo)) {
addInParameter<double>("page ratio", paramHelp[0], "1.1");
addOutParameter<int>("number of crossings", paramHelp[1]);
}
~OGDFPlanarizationGrid() override {}
void beforeCall() override {
if (dataSet != nullptr) {
double dval = 0;
if (dataSet->get("page ratio", dval))
pgl->pageRatio(dval);
}
}
void afterCall() override {
if (dataSet != nullptr) {
dataSet->set("number of crossings", pgl->numberOfCrossings());
}
}
};
PLUGIN(OGDFPlanarizationGrid)
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