QGIS/python/analysis/network/qgsgraphanalyzer.sip

/************************************************************************
 * This file has been generated automatically from                      *
 *                                                                      *
 * src/analysis/network/qgsgraphanalyzer.h                              *
 *                                                                      *
 * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
 ************************************************************************/





class QgsGraphAnalyzer
{
%Docstring
  This class performs graph analysis, e.g. calculates shortest path between two
 points using different strategies with Dijkstra algorithm
%End

%TypeHeaderCode
#include "qgsgraphanalyzer.h"
%End
  public:

    static SIP_PYLIST void dijkstra( const QgsGraph *source, int startVertexIdx, int criterionNum, QVector<int> *resultTree = 0, QVector<double> *resultCost = 0 );
%Docstring
 Solve shortest path problem using Dijkstra algorithm
 \param source source graph
 \param startVertexIdx index of the start vertex
 \param criterionNum index of the optimization strategy
 \param resultTree array that represents shortest path tree. resultTree[ vertexIndex ] == inboundingArcIndex if vertex reachable, otherwise resultTree[ vertexIndex ] == -1
 \param resultCost array of the paths costs
%End

%MethodCode
      QVector< int > treeResult;
      QVector< double > costResult;
      QgsGraphAnalyzer::dijkstra( a0, a1, a2, &treeResult, &costResult );

      PyObject *l1 = PyList_New( treeResult.size() );
      if ( l1 == NULL )
      {
        return NULL;
      }
      PyObject *l2 = PyList_New( costResult.size() );
      if ( l2 == NULL )
      {
        return NULL;
      }
      int i;
      for ( i = 0; i < costResult.size(); ++i )
      {
        PyObject *Int = PyLong_FromLong( treeResult[i] );
        PyList_SET_ITEM( l1, i, Int );
        PyObject *Float = PyFloat_FromDouble( costResult[i] );
        PyList_SET_ITEM( l2, i, Float );
      }

      sipRes = PyTuple_New( 2 );
      PyTuple_SET_ITEM( sipRes, 0, l1 );
      PyTuple_SET_ITEM( sipRes, 1, l2 );
%End

    static QgsGraph *shortestTree( const QgsGraph *source, int startVertexIdx, int criterionNum );
%Docstring
 Returns shortest path tree with root-node in startVertexIdx
 \param source source graph
 \param startVertexIdx index of the start vertex
 \param criterionNum index of the optimization strategy
 :rtype: QgsGraph
%End
};

/************************************************************************
 * This file has been generated automatically from                      *
 *                                                                      *
 * src/analysis/network/qgsgraphanalyzer.h                              *
 *                                                                      *
 * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
 ************************************************************************/