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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/FastMultipoleEmbedder.h>
#include <ogdf/packing/ComponentSplitterLayout.h>
#include <tulip/ConnectedTest.h>
#include <tulip2ogdf/OGDFLayoutPluginBase.h>
using namespace tlp;
using namespace ogdf;
static const char *paramHelp[] = {
// number of threads
"The number of threads to use during the computation of the layout.",
// multilevel nodes bound
"The bound for the number of nodes in a multilevel step."};
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, context ? new ogdf::ComponentSplitterLayout() : nullptr) {
addInParameter<int>("number of threads", paramHelp[0], "2");
addInParameter<int>("multilevel nodes bound", paramHelp[1], "10");
}
void beforeCall() override {
ogdf::ComponentSplitterLayout *csl =
static_cast<ogdf::ComponentSplitterLayout *>(ogdfLayoutAlgo);
// ComponentSplitterLayout takes ownership of the FastMultipoleMultilevelEmbedder instance
FastMultipoleMultilevelEmbedder *fmme = new FastMultipoleMultilevelEmbedder();
csl->setLayoutModule(fmme);
if (dataSet != nullptr) {
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());
}
};
PLUGIN(OGDFFastMultipoleMultiLevelEmbedder)
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