Exemplo n.º 1
0
//---------------------------------------------------------
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 );
}
Exemplo n.º 3
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);
}