//---------------------------------------------------------
bool CGrid_Mask::On_Execute(void)
{
CSG_Grid *pGrid = Parameters("GRID")->asGrid();
CSG_Grid *pMask = Parameters("MASK")->asGrid();
if( !pGrid->is_Intersecting(pMask->Get_Extent()) )
{
Message_Add(_TL("no intersection with mask grid."));
return( false );
}
//-----------------------------------------------------
CSG_Grid *pMasked = Parameters("MASKED")->asGrid();
if( pMasked && pMasked != pGrid )
{
pMasked->Create(*pGrid);
pMasked->Fmt_Name("%s [%s]", pGrid->Get_Name(), _TL("masked"));
pGrid = pMasked;
}
//-----------------------------------------------------
Process_Set_Text(_TL("masking..."));
for(int y=0; y<Get_NY() && Set_Progress(y); y++)
{
double py = Get_YMin() + y * Get_Cellsize();
#pragma omp parallel for
for(int x=0; x<Get_NX(); x++)
{
if( !pGrid->is_NoData(x, y) )
{
double px = Get_XMin() + x * Get_Cellsize();
if( !pMask->is_InGrid_byPos(px, py) )
{
pGrid->Set_NoData(x, y);
}
}
}
}
//-----------------------------------------------------
return( true );
}
//---------------------------------------------------------
bool CGrid_Gaps_Resampling::On_Execute(void)
{
//-----------------------------------------------------
CSG_Grid *pGrid = Parameters("RESULT")->asGrid();
CSG_Grid *pMask = Parameters("MASK" )->asGrid();
if( pGrid == NULL )
{
pGrid = Parameters("INPUT")->asGrid();
}
else
{
pGrid->Assign(Parameters("INPUT")->asGrid());
pGrid->Fmt_Name("%s [%s]", Parameters("INPUT")->asGrid()->Get_Name(), _TL("no gaps"));
}
//-----------------------------------------------------
TSG_Grid_Resampling Resampling;
switch( Parameters("RESAMPLING")->asInt() )
{
default: Resampling = GRID_RESAMPLING_NearestNeighbour; break;
case 1: Resampling = GRID_RESAMPLING_Bilinear ; break;
case 2: Resampling = GRID_RESAMPLING_BicubicSpline ; break;
case 3: Resampling = GRID_RESAMPLING_BSpline ; break;
}
//-----------------------------------------------------
CSG_Grid_Pyramid Pyramid;
if( !Pyramid.Create(pGrid, Parameters("GROW")->asDouble()) )
{
Error_Set(_TL("failed to create pyramid"));
return( false );
}
//-----------------------------------------------------
for(int y=0; y<Get_NY() && Set_Progress(y); y++)
{
double py = Get_YMin() + y * Get_Cellsize();
#pragma omp parallel for
for(int x=0; x<Get_NX(); x++)
{
if( pGrid->is_NoData(x, y) && (!pMask || !pMask->is_NoData(x, y)) )
{
double px = Get_XMin() + x * Get_Cellsize();
for(int i=0; i<Pyramid.Get_Count(); i++)
{
CSG_Grid *pPatch = Pyramid.Get_Grid(i);
if( pPatch->is_InGrid_byPos(px, py) )
{
pGrid->Set_Value(x, y, pPatch->Get_Value(px, py, Resampling));
break;
}
}
}
}
}
//-----------------------------------------------------
if( pGrid == Parameters("INPUT")->asGrid() )
{
DataObject_Update(pGrid);
}
return( true );
}