//---------------------------------------------------------
CSG_Grid * CLandsat_Import::Get_Band(const CSG_String &File)
{
CSG_Data_Manager tmpMgr;
if( !tmpMgr.Add(File) || !tmpMgr.Get_Grid_System(0) || !tmpMgr.Get_Grid_System(0)->Get(0) )
{
Error_Set(CSG_String::Format(SG_T("%s: %s"), _TL("could not load file"), File.c_str()));
return( NULL );
}
tmpMgr.Get_Grid_System(0)->Get(0)->Set_NoData_Value(0); // landsat 8 pretends to use a value of 65535 (2^16 - 1)
CSG_Grid *pBand = NULL;
//-----------------------------------------------------
if( !tmpMgr.Get_Grid_System(0)->Get(0)->Get_Projection().is_Okay() )
{
// undefined coordinate system, nothing to do be done further...
}
//-----------------------------------------------------
else if( Parameters("PROJECTION")->asInt() == 2 ) // Geographic Coordinates
{
pBand = Get_Projection((CSG_Grid *)tmpMgr.Get_Grid_System(0)->Get(0), "+proj=longlat +ellps=WGS84 +datum=WGS84");
}
//-----------------------------------------------------
else // UTM
{
CSG_Grid *pTmp = (CSG_Grid *)tmpMgr.Get_Grid_System(0)->Get(0);
CSG_String Projection = pTmp->Get_Projection().Get_Proj4();
if( Projection.Find("+proj=utm") >= 0
&& ( (Projection.Find("+south") >= 0 && Parameters("PROJECTION")->asInt() == 0)
|| (Projection.Find("+south") < 0 && Parameters("PROJECTION")->asInt() == 1))
&& (pBand = SG_Create_Grid(pTmp->Get_Type(), pTmp->Get_NX(), pTmp->Get_NY(), pTmp->Get_Cellsize(),
pTmp->Get_XMin(), pTmp->Get_YMin() + (Parameters("PROJECTION")->asInt() == 1 ? 10000000 : -10000000)
)) != NULL )
{
if( Parameters("PROJECTION")->asInt() == 1 )
Projection.Append (" +south");
else
Projection.Replace(" +south", "");
pBand->Get_Projection().Create(Projection, SG_PROJ_FMT_Proj4);
pBand->Set_Name (pTmp->Get_Name());
pBand->Set_Description (pTmp->Get_Description());
pBand->Set_NoData_Value_Range(pTmp->Get_NoData_Value(), pTmp->Get_NoData_hiValue());
pBand->Set_Scaling (pTmp->Get_Scaling(), pTmp->Get_Offset());
#pragma omp parallel for
for(int y=0; y<pBand->Get_NY(); y++)
{
for(int x=0; x<pBand->Get_NX(); x++)
{
pBand->Set_Value(x, y, pTmp->asDouble(x, y));
}
}
}
}
//-----------------------------------------------------
if( !pBand )
{
pBand = (CSG_Grid *)tmpMgr.Get_Grid_System(0)->Get(0);
tmpMgr.Delete(tmpMgr.Get_Grid_System(0)->Get(0), true); // make permanent, detach from temporary data manager
}
return( pBand );
}
//---------------------------------------------------------
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 );
}
//---------------------------------------------------------
bool CCRS_Transform_Grid::Transform(CSG_Parameter_Grid_List *pSources, CSG_Parameter_Grid_List *pTargets, const CSG_Grid_System &Target_System)
{
if( !m_Projector.Set_Inverse(true) || !pTargets || !pSources || pSources->Get_Count() < 1 )
{
return( false );
}
//-----------------------------------------------------
CSG_Grid *pX, *pY;
if( (pX = m_Grid_Target.Get_Grid("OUT_X")) != NULL )
{
pX->Assign_NoData();
pX->Set_Name(_TL("X Coordinates"));
pX->Get_Projection().Create(m_Projector.Get_Target());
}
if( (pY = m_Grid_Target.Get_Grid("OUT_Y")) != NULL )
{
pY->Assign_NoData();
pY->Set_Name(_TL("Y Coordinates"));
pY->Get_Projection().Create(m_Projector.Get_Target());
}
//-----------------------------------------------------
bool bGeogCS_Adjust = m_Projector.Get_Source().Get_Type() == SG_PROJ_TYPE_CS_Geographic && pSources->asGrid(0)->Get_System().Get_XMax() > 180.0;
Set_Target_Area(pSources->asGrid(0)->Get_System(), Target_System);
bool bKeepType = m_Resampling == GRID_RESAMPLING_NearestNeighbour || Parameters("KEEP_TYPE")->asBool();
//-----------------------------------------------------
int i, n = pTargets->Get_Count();
for(i=0; i<pSources->Get_Count(); i++)
{
CSG_Grid *pSource = pSources->asGrid(i);
CSG_Grid *pTarget = SG_Create_Grid(Target_System, bKeepType ? pSource->Get_Type() : SG_DATATYPE_Float);
if( pTarget )
{
pTargets->Add_Item(pTarget);
pTarget->Set_NoData_Value_Range (pSource->Get_NoData_Value(), pSource->Get_NoData_hiValue());
pTarget->Set_Scaling (pSource->Get_Scaling(), pSource->Get_Offset());
pTarget->Set_Name (pSource->Get_Name());
pTarget->Set_Unit (pSource->Get_Unit());
pTarget->Get_Projection().Create(m_Projector.Get_Target());
pTarget->Assign_NoData();
CSG_Parameters Parms; if( DataObject_Get_Parameters(pSource, Parms) ) { DataObject_Add(pTarget); DataObject_Set_Parameters(pTarget, Parms); }
}
}
//-------------------------------------------------
for(int y=0; y<Target_System.Get_NY() && Set_Progress(y, Target_System.Get_NY()); y++)
{
double yTarget = Target_System.Get_YMin() + y * Target_System.Get_Cellsize();
// #pragma omp parallel for private(i)
for(int x=0; x<Target_System.Get_NX(); x++)
{
double z, ySource, xSource = Target_System.Get_XMin() + x * Target_System.Get_Cellsize();
if( is_In_Target_Area(x, y) && m_Projector.Get_Projection(xSource, ySource = yTarget) )
{
if( bGeogCS_Adjust )
{
if( xSource < 0.0 )
{
xSource += 360.0;
}
else if( xSource >= 360.0 )
{
xSource -= 360.0;
}
}
if( pX ) pX->Set_Value(x, y, xSource);
if( pY ) pY->Set_Value(x, y, ySource);
for(i=0; i<pSources->Get_Count(); i++)
{
if( pSources->asGrid(i)->Get_Value(xSource, ySource, z, m_Resampling, false, true) )
{
pTargets->asGrid(n + i)->Set_Value(x, y, z);
}
}
}
}
}
//-----------------------------------------------------
m_Target_Area.Destroy();
return( true );
}