//---------------------------------------------------------
bool CSet_Grid_Georeference::On_Execute(void)
{
//-----------------------------------------------------
CSG_Parameter_Grid_List *pGrids = Parameters("GRIDS")->asGridList();
if( pGrids->Get_Count() <= 0 )
{
return( false );
}
//-----------------------------------------------------
double xMin, yMin, size;
switch( Parameters("DEFINITION")->asInt() )
{
case 0: // cellsize and lower left center coordinates
size = Parameters("SIZE")->asDouble();
xMin = Parameters("XMIN")->asDouble();
yMin = Parameters("YMIN")->asDouble();
break;
case 1: // cellsize and lower left corner coordinates
size = Parameters("SIZE")->asDouble();
xMin = Parameters("XMIN")->asDouble() + size * 0.5;
yMin = Parameters("YMIN")->asDouble() + size * 0.5;
break;
case 2: // cellsize and upper left center coordinates
size = Parameters("SIZE")->asDouble();
xMin = Parameters("XMIN")->asDouble();
yMin = Parameters("YMAX")->asDouble() - size * Get_NY();
break;
case 3: // cellsize and upper left corner coordinates
size = Parameters("SIZE")->asDouble();
xMin = Parameters("XMIN")->asDouble() + size * 0.5;
yMin = Parameters("YMAX")->asDouble() - size * (0.5 + Get_NY());
break;
case 4: // lower left and upper right center coordinates
size = (Parameters("XMAX")->asDouble() - Parameters("XMIN")->asDouble()) / Get_NX();
xMin = Parameters("XMIN")->asDouble();
yMin = Parameters("YMIN")->asDouble();
break;
case 5: // lower left and upper right corner coordinates
size = (Parameters("XMAX")->asDouble() - Parameters("XMIN")->asDouble()) / (Get_NX() + 1);
xMin = Parameters("XMIN")->asDouble() + size * 0.5;
yMin = Parameters("YMIN")->asDouble() + size * 0.5;
break;
}
//-----------------------------------------------------
CSG_Grid_System System;
if( !System.Assign(size, xMin, yMin, Get_NX(), Get_NY()) )
{
return( false );
}
//-----------------------------------------------------
Parameters("REFERENCED")->asGridList()->Del_Items();
for(int i=0; i<pGrids->Get_Count() && Process_Get_Okay(); i++)
{
CSG_Grid *pGrid = pGrids->asGrid(i);
CSG_Grid *pReferenced = SG_Create_Grid(System, pGrid->Get_Type());
pReferenced->Set_Name(pGrid->Get_Name());
pReferenced->Set_Unit(pGrid->Get_Unit());
pReferenced->Set_Scaling(pGrid->Get_Scaling(), pGrid->Get_Offset());
pReferenced->Set_NoData_Value_Range(pGrid->Get_NoData_Value(), pGrid->Get_NoData_hiValue());
pReferenced->Get_MetaData () = pGrid->Get_MetaData ();
pReferenced->Get_Projection() = pGrid->Get_Projection();
for(int y=0; y<Get_NY() && Set_Progress(y); y++)
{
#pragma omp parallel for
for(int x=0; x<Get_NX(); x++)
{
pReferenced->Set_Value(x, y, pGrid->asDouble(x, y));
}
}
Parameters("REFERENCED")->asGridList()->Add_Item(pReferenced);
}
//-----------------------------------------------------
return( true );
}
