//---------------------------------------------------------
bool CLines_From_Polygons::On_Execute(void)
{
CSG_Shapes *pLines, *pPolygons;
pPolygons = Parameters("POLYGONS") ->asShapes();
pLines = Parameters("LINES") ->asShapes();
//-----------------------------------------------------
if( pPolygons->Get_Count() <= 0 )
{
Error_Set(_TL("no polygons in input"));
return( false );
}
//-----------------------------------------------------
pLines->Create(SHAPE_TYPE_Line, pPolygons->Get_Name(), pPolygons, pPolygons->Get_Vertex_Type());
for(int iPolygon=0; iPolygon<pPolygons->Get_Count(); iPolygon++)
{
CSG_Shape *pPolygon = pPolygons ->Get_Shape(iPolygon);
CSG_Shape *pLine = pLines ->Add_Shape(pPolygon, SHAPE_COPY_ATTR);
for(int iPart=0; iPart<pPolygon->Get_Part_Count(); iPart++)
{
for(int iPoint=0; iPoint<pPolygon->Get_Point_Count(iPart); iPoint++)
{
pLine->Add_Point(pPolygon->Get_Point(iPoint, iPart), iPart);
if( pPolygons->Get_Vertex_Type() != SG_VERTEX_TYPE_XY )
{
pLine->Set_Z(pPolygon->Get_Z(iPoint, iPart), iPoint, iPart);
if( pPolygons->Get_Vertex_Type() == SG_VERTEX_TYPE_XYZM )
{
pLine->Set_M(pPolygon->Get_M(iPoint, iPart), iPoint, iPart);
}
}
}
if( !CSG_Point(pPolygon->Get_Point(0, iPart)).is_Equal(pPolygon->Get_Point(pPolygon->Get_Point_Count(iPart) - 1, iPart)) )
{
pLine->Add_Point(pPolygon->Get_Point(0, iPart), iPart);
if( pPolygons->Get_Vertex_Type() != SG_VERTEX_TYPE_XY )
{
pLine->Set_Z(pPolygon->Get_Z(0, iPart), pLine->Get_Point_Count(iPart) - 1, iPart);
if( pPolygons->Get_Vertex_Type() == SG_VERTEX_TYPE_XYZM )
{
pLine->Set_M(pPolygon->Get_M(0, iPart), pLine->Get_Point_Count(iPart) - 1, iPart);
}
}
}
}
}
return( true );
}
//---------------------------------------------------------
bool CPoints_From_MultiPoints::On_Execute(void)
{
//-----------------------------------------------------
CSG_Shapes *pMultipoints = Parameters("MULTIPOINTS") ->asShapes();
CSG_Shapes *pPoints = Parameters("POINTS") ->asShapes();
pPoints->Create(SHAPE_TYPE_Point, pMultipoints->Get_Name(), pMultipoints, pMultipoints->Get_Vertex_Type());
//-----------------------------------------------------
for(int iMultipoint=0; iMultipoint<pMultipoints->Get_Count() && Set_Progress(iMultipoint, pMultipoints->Get_Count()); iMultipoint++)
{
CSG_Shape *pMultipoint = pMultipoints->Get_Shape(iMultipoint);
for(int iPart=0; iPart<pMultipoint->Get_Part_Count(); iPart++)
{
for(int iPoint=0; iPoint<pMultipoint->Get_Point_Count(iPart); iPoint++)
{
CSG_Shape *pPoint = pPoints->Add_Shape(pMultipoint, SHAPE_COPY_ATTR);
pPoint->Add_Point(pMultipoint->Get_Point(iPoint, iPart));
if( pMultipoints->Get_Vertex_Type() != SG_VERTEX_TYPE_XY )
{
pPoint->Set_Z(pMultipoint->Get_Z(iPoint, iPart), 0);
if( pMultipoints->Get_Vertex_Type() == SG_VERTEX_TYPE_XYZM )
{
pPoint->Set_M(pMultipoint->Get_M(iPoint, iPart), 0);
}
}
}
}
}
return( true );
}
//---------------------------------------------------------
bool CShapes_Convert_Vertex_Type::On_Execute(void)
{
CSG_Shapes *pInput, *pOutput;
int iFieldZ, iFieldM;
pInput = Parameters("INPUT")->asShapes();
iFieldZ = Parameters("FIELD_Z")->asInt();
iFieldM = Parameters("FIELD_M")->asInt();
pOutput = Parameters("OUTPUT")->asShapes();
if( pInput->Get_Count() < 1 )
{
SG_UI_Msg_Add_Error(_TL("Input shape is empty!"));
return (false);
}
//-----------------------------------------------------
if( pInput->Get_Vertex_Type() == SG_VERTEX_TYPE_XY )
{
if( iFieldZ < 0 )
{
SG_UI_Msg_Add_Error(_TL("Please provide an attribute field with z-information!"));
return( false );
}
if( iFieldM < 0 )
{
pOutput->Create(pInput->Get_Type(), CSG_String::Format(SG_T("%s_Z"), pInput->Get_Name()), pInput, SG_VERTEX_TYPE_XYZ);
}
else
{
pOutput->Create(pInput->Get_Type(), CSG_String::Format(SG_T("%s_ZM"), pInput->Get_Name()), pInput, SG_VERTEX_TYPE_XYZM);
}
}
else
{
pOutput->Create(pInput->Get_Type(), CSG_String::Format(SG_T("%s_XY"), pInput->Get_Name()), pInput, SG_VERTEX_TYPE_XY);
pOutput->Add_Field(SG_T("Z"), SG_DATATYPE_Double);
if( pInput->Get_Vertex_Type() == SG_VERTEX_TYPE_XYZM )
{
pOutput->Add_Field(SG_T("M"), SG_DATATYPE_Double);
}
}
//-----------------------------------------------------
for(int iShape=0; iShape<pInput->Get_Count(); iShape++)
{
CSG_Shape *pShapeIn = pInput ->Get_Shape(iShape);
CSG_Shape *pShapeOut = pOutput ->Add_Shape(pShapeIn, SHAPE_COPY_ATTR);
for(int iPart=0; iPart<pShapeIn->Get_Part_Count(); iPart++)
{
for(int iPoint=0; iPoint<pShapeIn->Get_Point_Count(iPart); iPoint++)
{
pShapeOut->Add_Point(pShapeIn->Get_Point(iPoint, iPart), iPart);
if( pInput->Get_Vertex_Type() == SG_VERTEX_TYPE_XY )
{
pShapeOut->Set_Z(pShapeIn->asDouble(iFieldZ), iPoint, iPart);
if( pOutput->Get_Vertex_Type() == SG_VERTEX_TYPE_XYZM )
{
pShapeOut->Set_M(pShapeIn->asDouble(iFieldM), iPoint, iPart);
}
}
else
{
if( pInput->Get_Vertex_Type() == SG_VERTEX_TYPE_XYZM )
{
pShapeOut->Set_Value(pOutput->Get_Field_Count() - 1, pShapeIn->Get_M(iPoint, iPart));
pShapeOut->Set_Value(pOutput->Get_Field_Count() - 2, pShapeIn->Get_Z(iPoint, iPart));
}
else
{
pShapeOut->Set_Value(pOutput->Get_Field_Count() - 1, pShapeIn->Get_Z(iPoint, iPart));
}
}
}
}
}
//-----------------------------------------------------
return( true );
}