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C++ EdgeSet::find方法代码示例

本文整理汇总了C++中hypergraph::EdgeSet::find方法的典型用法代码示例。如果您正苦于以下问题:C++ EdgeSet::find方法的具体用法?C++ EdgeSet::find怎么用?C++ EdgeSet::find使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在hypergraph::EdgeSet的用法示例。


在下文中一共展示了EdgeSet::find方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: computeSimpleStars


//.........这里部分代码省略.........
    //    pop all "open" vertices
    //    pop all "vertices" in the backbone
    //    unfix the vertices in the backbone

    int starNum=0;
    for (StarSet::iterator it=stars.begin(); it!=stars.end(); it++){
      Star* s =*it;
      HyperGraph::VertexSet backboneVertices = s->_lowLevelVertices;
      HyperGraph::EdgeSet backboneEdges = s->_lowLevelEdges;
      if (backboneEdges.empty())
	continue;


      // cerr << "optimizing backbone" << endl;
      // one of these  should be the gauge, to be simple we select the fisrt one in the backbone
      OptimizableGraph::VertexSet gauge;
      gauge.insert(*backboneVertices.begin());
      s->gauge()=gauge;
      s->optimizer()->push(backboneVertices);
      s->optimizer()->setFixed(gauge,true);
      s->optimizer()->initializeOptimization(backboneEdges);
      s->optimizer()->computeInitialGuess();
      s->optimizer()->optimize(backboneIterations);
      s->optimizer()->setFixed(backboneVertices, true);

      // cerr << "assignind edges.vertices not in bbone" << endl;
      HyperGraph::EdgeSet otherEdges;
      HyperGraph::VertexSet otherVertices;
      std::multimap<HyperGraph::Vertex*, HyperGraph::Edge*> vemap;
      for (HyperGraph::VertexSet::iterator bit=backboneVertices.begin(); bit!=backboneVertices.end(); bit++){
	HyperGraph::Vertex* v=*bit;
	for (HyperGraph::EdgeSet::iterator eit=v->edges().begin(); eit!=v->edges().end(); eit++){
	  OptimizableGraph::Edge* e = (OptimizableGraph::Edge*) *eit;
	  HyperGraph::EdgeSet::iterator feit=bact.freeEdges().find(e);
	  if (feit!=bact.freeEdges().end()){ // edge is admissible
	    otherEdges.insert(e);
	    bact.freeEdges().erase(feit);
	    for (size_t i=0; i<e->vertices().size(); i++){
	      OptimizableGraph::Vertex* ve= (OptimizableGraph::Vertex*)e->vertices()[i];
	      if (backboneVertices.find(ve)==backboneVertices.end()){
		otherVertices.insert(ve);
		vemap.insert(make_pair(ve,e));
	      }
	    }
	  }
	}
      }

      // RAINER TODO maybe need a better solution than dynamic casting here??
      OptimizationAlgorithmWithHessian* solverWithHessian = dynamic_cast<OptimizationAlgorithmWithHessian*>(s->optimizer()->solver());
      if (solverWithHessian) {
        s->optimizer()->push(otherVertices);
        // cerr << "optimizing vertices out of bbone" << endl;
        // cerr << "push" << endl;
        // cerr << "init" << endl;
        s->optimizer()->initializeOptimization(otherEdges);
        // cerr << "guess" << endl;
        s->optimizer()->computeInitialGuess();
        // cerr << "solver init" << endl;
        s->optimizer()->solver()->init();
        // cerr << "structure" << endl;
        if (!solverWithHessian->buildLinearStructure())
          cerr << "FATAL: failure while building linear structure" << endl;
        // cerr << "errors" << endl;
        s->optimizer()->computeActiveErrors();
        // cerr << "system" << endl;
开发者ID:MichaelRuhnke,项目名称:g2o,代码行数:67,代码来源:simple_star_ops.cpp


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