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/**
*
* This file is part of Tulip (www.tulip-software.org)
*
* 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/FastMultipoleEmbedder.h>
#include <ogdf/packing/ComponentSplitterLayout.h>
#include <ogdf/basic/simple_graph_alg.h>
#include <tulip/ConnectedTest.h>
#include "tulip2ogdf/OGDFLayoutPluginBase.h"
// comments below have been extracted from OGDF/src/energybased/FastMultipoleEmbedder.cpp
/** \addtogroup layout */
/**
* Implementation of class FastMultipoleEmbedder.
*
* \author Martin Gronemann
*
* \par License:
* This is part of the Open Graph Drawing Framework (OGDF).
* Copyright (C) 2005-2009
*
* \par
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* Version 2 or 3 as published by the Free Software Foundation
* and appearing in the files LICENSE_GPL_v2.txt and
* LICENSE_GPL_v3.txt included in the packaging of this file.
*
* \par
* In addition, as a special exception, you have permission to link
* this software with the libraries of the COIN-OR Osi project
* (http://www.coin-or.org/projects/Osi.xml), all libraries required
* by Osi, and all LP-solver libraries directly supported by the
* COIN-OR Osi project, and distribute executables, as long as
* you follow the requirements of the GNU General Public License
* in regard to all of the software in the executable aside from these
* third-party libraries.
*
* \par
* This program 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.
*
* \par
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* \see http://www.gnu.org/copyleft/gpl.html
***************************************************************/
class OGDFFastMultipoleMultiLevelEmbedder : public OGDFLayoutPluginBase {
public:
PLUGININFORMATION("Fast Multipole Multilevel Embedder (OGDF)","Martin Gronemann","12/11/2007","The FMME layout algorithm is a variant of multilevel, force-directed layout, which utilizes various tools to speed up the computation.","1.1","Multilevel")
OGDFFastMultipoleMultiLevelEmbedder(const tlp::PluginContext* context) :
OGDFLayoutPluginBase(context, new ogdf::ComponentSplitterLayout()), fmme(new ogdf::FastMultipoleMultilevelEmbedder()) {
addInParameter<int>("number of threads",
HTML_HELP_OPEN()
HTML_HELP_DEF( "type", "int" )
HTML_HELP_BODY()
"The number of threads to use during the computation of the layout."
HTML_HELP_CLOSE(),
"2");
addInParameter<int>("multilevel nodes bound",
HTML_HELP_OPEN()
HTML_HELP_DEF( "type", "int" )
HTML_HELP_BODY()
"The bound for the number of nodes for multilevel step."
HTML_HELP_CLOSE(),
"10");
ogdf::ComponentSplitterLayout *csl = reinterpret_cast<ogdf::ComponentSplitterLayout*>(ogdfLayoutAlgo);
// ComponentSplitterLayout takes ownership of the FastMultipoleMultilevelEmbedder instance
csl->setLayoutModule(fmme);
}
~OGDFFastMultipoleMultiLevelEmbedder() {}
void beforeCall() {
if (dataSet != NULL) {
int ival = 0;
if (dataSet->get("number of threads", ival))
fmme->maxNumThreads(ival);
if (dataSet->get("multilevel nodes bound", ival))
fmme->multilevelUntilNumNodesAreLess(ival);
}
// ensure the input graph is simple as the layout failed in non multi-threaded mode otherwise
ogdf::makeSimple(tlpToOGDF->getOGDFGraph());
}
private:
ogdf::FastMultipoleMultilevelEmbedder *fmme;
};
PLUGIN(OGDFFastMultipoleMultiLevelEmbedder)
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