📄 tin_to_shapes.cpp
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///////////////////////////////////////////////////////////
// //
// SAGA //
// //
// System for Automated Geoscientific Analyses //
// //
// Module Library: //
// TIN_Tools //
// //
//-------------------------------------------------------//
// //
// TIN_To_Shapes.cpp //
// //
// Copyright (C) 2003 by //
// Olaf Conrad //
// //
//-------------------------------------------------------//
// //
// This file is part of 'SAGA - System for Automated //
// Geoscientific Analyses'. SAGA is free software; you //
// can redistribute it and/or modify it under the terms //
// of the GNU General Public License as published by the //
// Free Software Foundation; version 2 of the License. //
// //
// SAGA is distributed in the hope that it will be //
// useful, but WITHOUT ANY WARRANTY; without even the //
// implied warranty of MERCHANTABILITY or FITNESS FOR A //
// PARTICULAR PURPOSE. See the GNU General Public //
// License for more details. //
// //
// You should have received a copy of the GNU General //
// Public License along with this program; if not, //
// write to the Free Software Foundation, Inc., //
// 59 Temple Place - Suite 330, Boston, MA 02111-1307, //
// USA. //
// //
//-------------------------------------------------------//
// //
// e-mail: oconrad@saga-gis.org //
// //
// contact: Olaf Conrad //
// Institute of Geography //
// University of Goettingen //
// Goldschmidtstr. 5 //
// 37077 Goettingen //
// Germany //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
#include "TIN_To_Shapes.h"
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
CTIN_To_Shapes::CTIN_To_Shapes(void)
{
CSG_Parameter *pNode;
//-----------------------------------------------------
Set_Name(_TL("TIN to Shapes"));
Set_Author(_TL("Copyrights (c) 2004 by Olaf Conrad"));
Set_Description(
_TL("Converts a TIN data set to shapes layers.\n\n")
);
//-----------------------------------------------------
pNode = Parameters.Add_TIN(
NULL , "TIN" , _TL("TIN"),
_TL(""),
PARAMETER_INPUT
);
Parameters.Add_Shapes(
NULL , "POINTS" , _TL("Points"),
_TL(""),
PARAMETER_OUTPUT, SHAPE_TYPE_Point
);
Parameters.Add_Shapes(
NULL , "CENTER" , _TL("Center of Triangles"),
_TL(""),
PARAMETER_OUTPUT, SHAPE_TYPE_Point
);
Parameters.Add_Shapes(
NULL , "EDGES" , _TL("Edges"),
_TL(""),
PARAMETER_OUTPUT, SHAPE_TYPE_Line
);
Parameters.Add_Shapes(
NULL , "TRIANGLES" , _TL("Triangles"),
_TL(""),
PARAMETER_OUTPUT, SHAPE_TYPE_Polygon
);
Parameters.Add_Shapes(
NULL , "POLYGONS" , _TL("Polygons"),
_TL(""),
PARAMETER_OUTPUT, SHAPE_TYPE_Polygon
);
}
//---------------------------------------------------------
CTIN_To_Shapes::~CTIN_To_Shapes(void)
{}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
bool CTIN_To_Shapes::On_Execute(void)
{
int i, j;
CSG_TIN_Point *pPoint;
CSG_TIN_Edge *pEdge;
CSG_TIN_Triangle *pTriangle;
CSG_TIN *pTIN;
CSG_Shape *pShape;
CSG_Shapes *pShapes;
//-----------------------------------------------------
pTIN = Parameters("TIN") ->asTIN();
//-----------------------------------------------------
pShapes = Parameters("POINTS") ->asShapes();
pShapes->Create(SHAPE_TYPE_Point, CSG_String::Format(_TL("%s [TIN]"), pTIN->Get_Name()));
pShapes->Get_Table().Add_Field("POINT_ID", TABLE_FIELDTYPE_Int);
for(j=0; j<pTIN->Get_Table().Get_Field_Count(); j++)
{
pShapes->Get_Table().Add_Field(pTIN->Get_Table().Get_Field_Name(j), pTIN->Get_Table().Get_Field_Type(j));
}
for(i=0; i<pTIN->Get_Point_Count() && Set_Progress(i, pTIN->Get_Point_Count()); i++)
{
pPoint = pTIN->Get_Point(i);
pShape = pShapes->Add_Shape();
pShape->Add_Point(pPoint->Get_Point());
pShape->Get_Record()->Set_Value(0, 1 + i);
for(j=0; j<pTIN->Get_Table().Get_Field_Count(); j++)
{
pShape->Get_Record()->Set_Value(j + 1, pPoint->Get_Record()->asString(j));
}
}
//-----------------------------------------------------
pShapes = Parameters("EDGES") ->asShapes();
pShapes->Create(SHAPE_TYPE_Line, CSG_String::Format(_TL("%s [TIN]"), pTIN->Get_Name()));
pShapes->Get_Table().Add_Field("ID" , TABLE_FIELDTYPE_Int);
pShapes->Get_Table().Add_Field("POINT_ID_A" , TABLE_FIELDTYPE_Int);
pShapes->Get_Table().Add_Field("POINT_ID_B" , TABLE_FIELDTYPE_Int);
for(i=0; i<pTIN->Get_Edge_Count() && Set_Progress(i, pTIN->Get_Edge_Count()); i++)
{
pEdge = pTIN->Get_Edge(i);
pShape = pShapes->Add_Shape();
pShape->Add_Point(pEdge->Get_Point(0)->Get_Point());
pShape->Add_Point(pEdge->Get_Point(1)->Get_Point());
pShape->Get_Record()->Set_Value(0, 1 + i);
pShape->Get_Record()->Set_Value(1, 1 + pEdge->Get_Point(0)->Get_ID());
pShape->Get_Record()->Set_Value(2, 1 + pEdge->Get_Point(1)->Get_ID());
}
//-----------------------------------------------------
pShapes = Parameters("TRIANGLES") ->asShapes();
pShapes->Create(SHAPE_TYPE_Polygon, CSG_String::Format(_TL("%s [TIN]"), pTIN->Get_Name()));
pShapes->Get_Table().Add_Field("ID" , TABLE_FIELDTYPE_Int);
pShapes->Get_Table().Add_Field("POINT_ID_A" , TABLE_FIELDTYPE_Int);
pShapes->Get_Table().Add_Field("POINT_ID_B" , TABLE_FIELDTYPE_Int);
pShapes->Get_Table().Add_Field("POINT_ID_C" , TABLE_FIELDTYPE_Int);
for(i=0; i<pTIN->Get_Triangle_Count() && Set_Progress(i, pTIN->Get_Triangle_Count()); i++)
{
pTriangle = pTIN->Get_Triangle(i);
pShape = pShapes->Add_Shape();
pShape->Add_Point(pTriangle->Get_Point(0)->Get_Point());
pShape->Add_Point(pTriangle->Get_Point(1)->Get_Point());
pShape->Add_Point(pTriangle->Get_Point(2)->Get_Point());
pShape->Get_Record()->Set_Value(0, 1 + i);
pShape->Get_Record()->Set_Value(1, 1 + pTriangle->Get_Point(0)->Get_ID());
pShape->Get_Record()->Set_Value(2, 1 + pTriangle->Get_Point(1)->Get_ID());
pShape->Get_Record()->Set_Value(3, 1 + pTriangle->Get_Point(2)->Get_ID());
}
//-----------------------------------------------------
pShapes = Parameters("CENTER") ->asShapes();
pShapes->Create(SHAPE_TYPE_Point, CSG_String::Format(_TL("%s [TIN]"), pTIN->Get_Name()));
pShapes->Get_Table().Add_Field("ID" , TABLE_FIELDTYPE_Int);
pShapes->Get_Table().Add_Field("POINT_ID_A" , TABLE_FIELDTYPE_Int);
pShapes->Get_Table().Add_Field("POINT_ID_B" , TABLE_FIELDTYPE_Int);
pShapes->Get_Table().Add_Field("POINT_ID_C" , TABLE_FIELDTYPE_Int);
for(i=0; i<pTIN->Get_Triangle_Count() && Set_Progress(i, pTIN->Get_Triangle_Count()); i++)
{
pTriangle = pTIN->Get_Triangle(i);
pShape = pShapes->Add_Shape();
pShape->Add_Point(pTriangle->Get_CircumCircle_Point());
pShape->Get_Record()->Set_Value(0, 1 + i);
pShape->Get_Record()->Set_Value(1, 1 + pTriangle->Get_Point(0)->Get_ID());
pShape->Get_Record()->Set_Value(2, 1 + pTriangle->Get_Point(1)->Get_ID());
pShape->Get_Record()->Set_Value(3, 1 + pTriangle->Get_Point(2)->Get_ID());
}
//-----------------------------------------------------
CSG_Points Points;
pShapes = Parameters("POLYGONS") ->asShapes();
pShapes->Create(SHAPE_TYPE_Polygon, CSG_String::Format(_TL("%s [TIN]"), pTIN->Get_Name()));
pShapes->Get_Table().Add_Field("POINT_ID", TABLE_FIELDTYPE_Int);
for(j=0; j<pTIN->Get_Table().Get_Field_Count(); j++)
{
pShapes->Get_Table().Add_Field(pTIN->Get_Table().Get_Field_Name(j), pTIN->Get_Table().Get_Field_Type(j));
}
for(i=0; i<pTIN->Get_Point_Count() && Set_Progress(i, pTIN->Get_Point_Count()); i++)
{
pPoint = pTIN->Get_Point(i);
if( pPoint->Get_Polygon(Points) )
{
pShape = pShapes->Add_Shape();
for(j=0; j<Points.Get_Count(); j++)
{
pShape->Add_Point(Points[j]);
}
pShape->Get_Record()->Set_Value(0, 1 + i);
for(j=0; j<pTIN->Get_Table().Get_Field_Count(); j++)
{
pShape->Get_Record()->Set_Value(j + 1, pPoint->Get_Record()->asString(j));
}
}
}
//-----------------------------------------------------
return( true );
}
///////////////////////////////////////////////////////////
// //
// //
// //
///////////////////////////////////////////////////////////
//---------------------------------------------------------
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