File: OGDFFastMultipoleEmbedder.cpp

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#include <ogdf/energybased/FastMultipoleEmbedder.h>

#include "tulip2ogdf/OGDFLayoutPluginBase.h"

namespace {

const char * paramHelp[] = {
  HTML_HELP_OPEN()
  HTML_HELP_DEF( "type", "int" )
  HTML_HELP_BODY()
  "The maximum number of iterations."
  HTML_HELP_CLOSE(),
  HTML_HELP_OPEN()
  HTML_HELP_DEF( "type", "int" )
  HTML_HELP_BODY()
  "The number of coefficients for the expansions."
  HTML_HELP_CLOSE(),
  HTML_HELP_OPEN()
  HTML_HELP_DEF( "type", "bool" )
  HTML_HELP_BODY()
  "If true, layout algorithm will randomize the layout in the beginning."
  HTML_HELP_CLOSE(),
  HTML_HELP_OPEN()
  HTML_HELP_DEF( "type", "double" )
  HTML_HELP_BODY()
  "the default node size."
  HTML_HELP_CLOSE(),
  HTML_HELP_OPEN()
  HTML_HELP_DEF( "type", "double" )
  HTML_HELP_BODY()
  "the default edge length. "
  HTML_HELP_CLOSE(),
  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()
};
}

// 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 OGDFFastMultipoleEmbedder : public OGDFLayoutPluginBase {

public:

  OGDFFastMultipoleEmbedder(const tlp::PropertyContext &context) :OGDFLayoutPluginBase(context, new ogdf::FastMultipoleEmbedder()) {
    addParameter<int>("number of iterations", paramHelp[0], "100");
    addParameter<int>("number of coefficients", paramHelp[1], "5");
    addParameter<bool>("randomize layout", paramHelp[2], "true");
    addParameter<double>("default node size", paramHelp[3], "20.0");
    addParameter<double>("default edge length", paramHelp[3], "40.0");
    addParameter<int>("number of threads", paramHelp[4], "3");
  }

  ~OGDFFastMultipoleEmbedder() {}

  void beforeCall() {
    ogdf::FastMultipoleEmbedder *fme = static_cast<ogdf::FastMultipoleEmbedder*>(ogdfLayoutAlgo);

    if (dataSet != 0) {
      double dval = 0;
      int ival = 0;
      bool bval = 0;

      if (dataSet->get("number of iterations", ival))
        fme->setNumIterations(ival);

      if (dataSet->get("number of coefficients", ival))
        fme->setMultipolePrec(ival);

      if (dataSet->get("number of threads", ival))
        fme->setNumberOfThreads(ival);

      if (dataSet->get("default node size", dval))
        fme->setDefaultNodeSize(dval);

      if (dataSet->get("default edge length", dval))
        fme->setDefaultEdgeLength(dval);

      if (dataSet->get("randomize layout", bval))
        fme->setRandomize(bval);
    }
  }

};
/*@}*/

LAYOUTPLUGINOFGROUP(OGDFFastMultipoleEmbedder,"Fast Multipole Embedder (OGDF)","Martin Gronemann","12/11/2007","Ok","1.0","Force Directed");