111 lines
2.2 KiB
C++
111 lines
2.2 KiB
C++
#include <cassert>
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#include <iostream>
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#include <fstream>
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#include <sstream>
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#include "BayesBallGraph.h"
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#include "Util.h"
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namespace Horus {
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void
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BayesBallGraph::addNode (BBNode* n)
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{
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assert (Util::contains (varMap_, n->varId()) == false);
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nodes_.push_back (n);
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varMap_[n->varId()] = n;
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}
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void
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BayesBallGraph::addEdge (VarId vid1, VarId vid2)
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{
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std::unordered_map<VarId, BBNode*>::iterator it1;
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std::unordered_map<VarId, BBNode*>::iterator it2;
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it1 = varMap_.find (vid1);
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it2 = varMap_.find (vid2);
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assert (it1 != varMap_.end());
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assert (it2 != varMap_.end());
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it1->second->addChild (it2->second);
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it2->second->addParent (it1->second);
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}
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const BBNode*
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BayesBallGraph::getNode (VarId vid) const
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{
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std::unordered_map<VarId, BBNode*>::const_iterator it;
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it = varMap_.find (vid);
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return it != varMap_.end() ? it->second : 0;
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}
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BBNode*
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BayesBallGraph::getNode (VarId vid)
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{
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std::unordered_map<VarId, BBNode*>::const_iterator it;
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it = varMap_.find (vid);
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return it != varMap_.end() ? it->second : 0;
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}
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void
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BayesBallGraph::setIndexes (void)
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{
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for (size_t i = 0; i < nodes_.size(); i++) {
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nodes_[i]->setIndex (i);
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}
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}
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void
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BayesBallGraph::clear (void)
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{
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for (size_t i = 0; i < nodes_.size(); i++) {
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nodes_[i]->clear();
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}
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}
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void
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BayesBallGraph::exportToGraphViz (const char* fileName)
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{
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std::ofstream out (fileName);
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if (!out.is_open()) {
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std::cerr << "Error: couldn't open file '" << fileName << "'." ;
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std::cerr << std::endl;
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return;
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}
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out << "digraph {" << std::endl;
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out << "ranksep=1" << std::endl;
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for (size_t i = 0; i < nodes_.size(); i++) {
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out << nodes_[i]->varId() ;
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out << " [" ;
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out << "label=\"" << nodes_[i]->label() << "\"" ;
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if (nodes_[i]->hasEvidence()) {
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out << ",style=filled, fillcolor=yellow" ;
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}
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out << "]" << std::endl;
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}
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for (size_t i = 0; i < nodes_.size(); i++) {
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const std::vector<BBNode*>& childs = nodes_[i]->childs();
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for (size_t j = 0; j < childs.size(); j++) {
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out << nodes_[i]->varId() << " -> " << childs[j]->varId();
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out << " [style=bold]" << std::endl;
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}
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}
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out << "}" << std::endl;
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out.close();
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}
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} // namespace Horus
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