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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/energybased/GEMLayout.h>
#include <tulip2ogdf/OGDFLayoutPluginBase.h>
#include <tulip/StringCollection.h>
static const char *paramHelp[] = {
// number of rounds
"The maximum number of rounds per node.",
// min temperature
"The minimum temperature.",
// initial temperature
"The initial temperature to x; must be >= minimalTemperature.",
// gravitational constant
"Gravitational constant parameter.",
// desired length
"The desired edge length to x; must be >= 0.",
// max disturbance
"The maximum disturbance to x; must be >= 0.",
// rotation angle
"The opening angle for rotations to x (0 <= x <= pi / 2).",
// oscillation angle
"Sets the opening angle for oscillations to x (0 <= x <= pi / 2).",
// rotation sensitivity
"The rotation sensitivity to x (0 <= x <= 1).",
// oscillation sensitivity
"The oscillation sensitivity to x (0 <= x <= 1).",
// Attraction formula
"The formula for attraction.",
// connected components spacing
"The minimum distance between connected components.",
// page ratio
"The page ratio used for packing connected components."};
using namespace tlp;
class OGDFGemFrick : public OGDFLayoutPluginBase {
public:
PLUGININFORMATION(
"GEM Frick (OGDF)", "Christoph Buchheim", "15/11/2007",
"OGDF implementation of the GEM-2d layout algorithm first published as:<br/>"
" <b>A fast, adaptive layout algorithm for undirected graphs</b>, A. Frick, A. "
"Ludwig, and H. Mehldau, Graph Drawing'94, Volume 894 of Lecture Notes in "
"Computer Science (1995),<br/>doi: <a "
"href=\"https://doi.org/10.1007/3-540-58950-3_393\">10.1007/3-540-58950-3_393</a>",
"1.2", "Force Directed")
OGDFGemFrick(const tlp::PluginContext *context);
~OGDFGemFrick() override;
void beforeCall() override;
};
OGDFGemFrick::OGDFGemFrick(const tlp::PluginContext *context)
: OGDFLayoutPluginBase(context, context ? new ogdf::GEMLayout() : nullptr) {
addInParameter<int>("number of rounds", paramHelp[0], "30000");
addInParameter<double>("min temperature", paramHelp[1], "0.005");
addInParameter<double>("initial temperature", paramHelp[2], "12.0");
addInParameter<double>("gravitation", paramHelp[3], "0.0625");
addInParameter<double>("desired length", paramHelp[4], "5.0");
addInParameter<double>("max disturbance", paramHelp[5], "0.0");
addInParameter<double>("rotation angle", paramHelp[6], "1.04719755");
addInParameter<double>("oscillation angle", paramHelp[7], "1.57079633");
addInParameter<double>("rotation sensitivity", paramHelp[8], "0.01");
addInParameter<double>("oscillation sensitivity", paramHelp[9], "0.3");
addInParameter<StringCollection>("attraction formula", paramHelp[10], "Fruchterman/Reingold;GEM",
true, "Fruchterman/Reingold<br/>GEM");
addInParameter<double>("connected components spacing", paramHelp[11], "20");
addInParameter<double>("page ratio", paramHelp[12], "1.0");
}
OGDFGemFrick::~OGDFGemFrick() {}
void OGDFGemFrick::beforeCall() {
ogdf::GEMLayout *gem = static_cast<ogdf::GEMLayout *>(ogdfLayoutAlgo);
if (dataSet != nullptr) {
int ival = 0;
double dval = 0;
StringCollection sc;
if (dataSet->get("number of rounds", ival)) {
gem->numberOfRounds(ival);
}
if (dataSet->get("min temperature", dval)) {
gem->minimalTemperature(dval);
}
if (dataSet->get("initial temperature", dval)) {
gem->initialTemperature(dval);
}
if (dataSet->get("gravitation", dval)) {
gem->gravitationalConstant(dval);
}
if (dataSet->get("desired length", dval)) {
gem->desiredLength(dval);
}
if (dataSet->get("max disturbance", dval)) {
gem->maximalDisturbance(dval);
}
if (dataSet->get("rotation angle", dval)) {
gem->rotationAngle(dval);
}
if (dataSet->get("oscillation angle", dval)) {
gem->oscillationAngle(dval);
}
if (dataSet->get("rotation sensitivity", dval)) {
gem->rotationSensitivity(dval);
}
if (dataSet->get("oscillation sensitivity", dval)) {
gem->oscillationSensitivity(dval);
}
if (dataSet->get("attraction formula", sc)) {
gem->attractionFormula(sc.getCurrent() + 1);
}
if (dataSet->get("connected components spacing", dval))
gem->minDistCC(dval);
if (dataSet->get("page ratio", dval))
gem->pageRatio(dval);
}
}
PLUGIN(OGDFGemFrick)
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