//---------------------------------------------------------
size_t CSG_PRQuadTree::_Select_Nearest_Points(CSG_Array &Selection, double x, double y, size_t maxPoints, double Radius, int iQuadrant) const
{
if( Selection.Get_Value_Size() != sizeof(TLeaf) )
{
Selection.Create(sizeof(TLeaf), 0, SG_ARRAY_GROWTH_3);
}
else
{
Selection.Set_Array(0, false);
}
if( m_pRoot )
{
double Distance;
if( maxPoints < 1 )
{
maxPoints = m_nPoints;
}
if( iQuadrant != 4 )
{
_Select_Nearest_Points(Selection, m_pRoot, x, y, Distance = 0.0, Radius, maxPoints, iQuadrant);
}
else // if( iQuadrant == 4 ) // quadrant-wise search
{
for(iQuadrant=0; iQuadrant<4; iQuadrant++)
{
_Select_Nearest_Points(Selection, m_pRoot, x, y, Distance = 0.0, Radius, maxPoints, iQuadrant);
}
}
}
return( Selection.Get_Size() );
}
//---------------------------------------------------------
bool CPresence_Prediction::Get_Features(CSG_Array &Features)
{
CSG_Parameter_Grid_List *pNum = Parameters("FEATURES_NUM")->asGridList();
CSG_Parameter_Grid_List *pCat = Parameters("FEATURES_CAT")->asGridList();
m_Features = (TFeature *)Features.Create(sizeof(TFeature), m_nFeatures = pNum->Get_Grid_Count() + pCat->Get_Grid_Count());
for(int i=0; i<m_nFeatures; i++)
{
if( i < pNum->Get_Grid_Count() )
{
m_Features[i].bNumeric = true;
m_Features[i].pGrid = pNum->Get_Grid(i);
}
else
{
m_Features[i].bNumeric = false;
m_Features[i].pGrid = pCat->Get_Grid(i - pNum->Get_Grid_Count());
}
CSG_String Name(m_Features[i].pGrid->Get_Name());
strncpy(m_Features[i].Name, Name.b_str(), 255); m_Features[i].Name[255] = '\0';
}
return( m_nFeatures > 0 );
}
//---------------------------------------------------------
void CSG_Network::_On_Construction(void)
{
m_Nodes.Create(sizeof(CSG_Network_Node **), 0, SG_ARRAY_GROWTH_1);
m_Edges.Create(SHAPE_TYPE_Line , SG_T("EDGES"));
m_Edges.Add_Field(SG_T("ID") , SG_DATATYPE_Int);
m_Edges.Add_Field(SG_T("NODE_A") , SG_DATATYPE_Int);
m_Edges.Add_Field(SG_T("NODE_B") , SG_DATATYPE_Int);
m_Edges.Add_Field(SG_T("SHAPE_TYPE"), SG_DATATYPE_Int);
m_Edges.Add_Field(SG_T("PROCESSED") , SG_DATATYPE_Int);
}