//---------------------------------------------------------
bool CGrid_Value_Type::On_Execute(void)
{
	//-----------------------------------------------------
	CSG_Grid	*pOutput	= Parameters("OUTPUT")->asGrid();
	CSG_Grid	*pInput		= Parameters("INPUT" )->asGrid(), Input;

	if( pOutput == NULL || pOutput == pInput )
	{
		Input.Create(*pInput);
		pOutput	= pInput;
		pInput	= &Input;
	}

	//-----------------------------------------------------
	double	Offset	= Parameters("OFFSET")->asDouble();
	double	Scale	= Parameters("SCALE" )->asDouble();

	if( Scale == 0.0 )
	{
		Error_Set(_TL("scale factor must not equal zero"));

		return( false );
	}

	//-----------------------------------------------------
	switch( Parameters("TYPE")->asInt() )
	{
	default:
		Error_Set(_TL("undefined data type"));

		return( false );

	case 0:	pOutput->Create(*Get_System(), SG_DATATYPE_Bit   );	break;
	case 1:	pOutput->Create(*Get_System(), SG_DATATYPE_Byte  );	break;
	case 2:	pOutput->Create(*Get_System(), SG_DATATYPE_Char  );	break;
	case 3:	pOutput->Create(*Get_System(), SG_DATATYPE_Word  );	break;
	case 4:	pOutput->Create(*Get_System(), SG_DATATYPE_Short );	break;
	case 5:	pOutput->Create(*Get_System(), SG_DATATYPE_DWord );	break;
	case 6:	pOutput->Create(*Get_System(), SG_DATATYPE_Int   );	break;
	case 7:	pOutput->Create(*Get_System(), SG_DATATYPE_Float );	break;
	case 8:	pOutput->Create(*Get_System(), SG_DATATYPE_Double);	break;
	}

	pOutput->Set_Name       (pInput->Get_Name       ());
	pOutput->Set_Description(pInput->Get_Description());
	pOutput->Set_Unit       (pInput->Get_Unit       ());
	pOutput->Set_Scaling    (Scale, Offset);

	//-----------------------------------------------------
	for(int y=0; y<Get_NY() && Set_Progress(y); y++)
	{
		#pragma omp parallel for
		for(int x=0; x<Get_NX(); x++)
		{
			if( pInput->is_NoData(x, y) )
			{
				pOutput->Set_NoData(x, y);
			}
			else
			{
				pOutput->Set_Value(x, y, pInput->asDouble(x, y));
			}
		}
	}

	//-----------------------------------------------------
	if( pOutput == Parameters("INPUT")->asGrid() )
	{
		DataObject_Update(pOutput);
	}

	return( true );
}
//---------------------------------------------------------
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 );
}
Пример #3
0
//---------------------------------------------------------
bool CGrid_Table_Import::On_Execute(void)
{
	//-----------------------------------------------------
	CSG_Table	Table;

	if( !Table.Create(Parameters("FILE")->asString()) )
	{
		Error_Fmt("%s [%s]", _TL("could not open table file"), Parameters("FILE")->asString());

		return( false );
	}

	//-----------------------------------------------------
	int	nx, ny, nHeadLines	= Parameters("HEADLINES")->asInt();

	if( (nx = Table.Get_Field_Count()) < 1 || (ny = Table.Get_Record_Count()) < 1 )
	{
		Error_Fmt("%s [%s]", _TL("no data in table file"), Parameters("FILE")->asString());

		return( false );
	}

	//-----------------------------------------------------
	TSG_Data_Type	Type;

	switch( Parameters("DATA_TYPE")->asInt() )
	{
	case  0:	Type	= SG_DATATYPE_Byte  ;	break;	// 1 Byte Integer (unsigned)
	case  1:	Type	= SG_DATATYPE_Char  ;	break;	// 1 Byte Integer (signed)
	case  2:	Type	= SG_DATATYPE_Word  ;	break;	// 2 Byte Integer (unsigned)
	case  3:	Type	= SG_DATATYPE_Short ;	break;	// 2 Byte Integer (signed)
	case  4:	Type	= SG_DATATYPE_DWord ;	break;	// 4 Byte Integer (unsigned)
	case  5:	Type	= SG_DATATYPE_Int   ;	break;	// 4 Byte Integer (signed)
	default:	Type	= SG_DATATYPE_Float ;	break;	// 4 Byte Floating Point
	case  7:	Type	= SG_DATATYPE_Double;	break;	// 8 Byte Floating Point
	}

	//-----------------------------------------------------
	CSG_Grid	*pGrid	= SG_Create_Grid(Type, nx, ny,
		Parameters("CELLSIZE")->asDouble(),
		Parameters("XMIN"    )->asDouble(),
		Parameters("YMIN"    )->asDouble()
	);

	pGrid->Set_Name        (SG_File_Get_Name(Parameters("FILE")->asString(), false));
	pGrid->Set_Unit        (Parameters("UNIT"   )->asString());
	pGrid->Set_NoData_Value(Parameters("NODATA" )->asDouble());
	pGrid->Set_Scaling     (Parameters("ZFACTOR")->asDouble());

	Parameters("GRID")->Set_Value(pGrid);

	//-----------------------------------------------------
	bool	bDown	= Parameters("TOPDOWN")->asInt() == 1;

	for(int y=0; y<ny && Set_Progress(y, ny); y++)
	{
		CSG_Table_Record	*pRecord	= Table.Get_Record(y + nHeadLines);

		for(int x=0, yy=bDown?ny-1-y:y; x<nx; x++)
		{
			pGrid->Set_Value(x, yy, pRecord->asDouble(x));
		}
	}

	//-----------------------------------------------------
	return( true );
}
//---------------------------------------------------------
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 );
}
Пример #5
0
//---------------------------------------------------------
bool CWRF_Import::Load(const CSG_String &File)
{
	//-----------------------------------------------------
	// 00001-00600.00001-00600
	// 01234567890123456789012

	CSG_String	Name	= SG_File_Get_Name(File, true);

	if( Name.Length() != 23 || Name[5] != SG_T('-') || Name[11] != SG_T('.') || Name[17] != SG_T('-') )
	{
		Error_Set(_TL("invalid geogrid file name"));

		return( false );
	}

	int	xOffset	= Name.asInt() - 1;
	int	yOffset	= Name.AfterFirst(SG_T('.')).asInt() - 1;

	//-----------------------------------------------------
	CSG_File	Stream;

	if( !Stream.Open(File, SG_FILE_R) )
	{
		Error_Set(_TL("data file could not be openend"));

		return( false );
	}

	//-----------------------------------------------------
	TSG_Data_Type	Type;

	switch( m_Index.m_WORDSIZE )
	{
	default:
		Error_Set(_TL("invalid word size"));

		return( false );

	case 1:	Type = m_Index.m_SIGNED == false ? SG_DATATYPE_Byte  : SG_DATATYPE_Char;  break;
	case 2:	Type = m_Index.m_SIGNED == false ? SG_DATATYPE_Word  : SG_DATATYPE_Short; break;
	case 4:	Type = m_Index.m_SIGNED == false ? SG_DATATYPE_DWord : SG_DATATYPE_Int;   break;
	}

	//-----------------------------------------------------
	char	*pLine, *pValue;
	int		x, y, nBytes_Line;

	nBytes_Line	= (m_Index.m_TILE_X + 2 * m_Index.m_TILE_BDR) * m_Index.m_WORDSIZE;
	pLine		= (char *)SG_Malloc(nBytes_Line);

	//-----------------------------------------------------
	for(int z=m_Index.m_TILE_Z_START; z<=m_Index.m_TILE_Z_END && !Stream.is_EOF() && Process_Get_Okay(); z++)
	{
		CSG_Grid	*pGrid	= SG_Create_Grid(
			Type,
			m_Index.m_TILE_X + 2 * m_Index.m_TILE_BDR,
			m_Index.m_TILE_Y + 2 * m_Index.m_TILE_BDR,
			m_Index.m_DX,
			m_Index.m_KNOWN_LON + (xOffset - m_Index.m_TILE_BDR) * m_Index.m_DX,
			m_Index.m_KNOWN_LAT + (yOffset - m_Index.m_TILE_BDR) * m_Index.m_DY
		);

		pGrid->Set_Name			(CSG_String::Format(SG_T("%s_%02d"), SG_File_Get_Name(File, false).c_str(), z));
		pGrid->Set_Description	(m_Index.m_DESCRIPTION);
		pGrid->Set_Unit			(m_Index.m_UNITS);
		pGrid->Set_NoData_Value	(m_Index.m_MISSING_VALUE);
		pGrid->Set_Scaling		(m_Index.m_SCALE_FACTOR);

		Parameters("GRIDS")->asGridList()->Add_Item(pGrid);

		//-------------------------------------------------
		for(y=0; y<pGrid->Get_NY() && !Stream.is_EOF() && Set_Progress(y, pGrid->Get_NY()); y++)
		{
			int	yy	= m_Index.m_ROW_ORDER == VAL_TOP_BOTTOM ? pGrid->Get_NY() - 1 - y : y;

			Stream.Read(pLine, sizeof(char), nBytes_Line);

			for(x=0, pValue=pLine; x<pGrid->Get_NX(); x++, pValue+=m_Index.m_WORDSIZE)
			{
				if( m_Index.m_ENDIAN == VAL_ENDIAN_BIG )
				{
					SG_Swap_Bytes(pValue, m_Index.m_WORDSIZE);
				}

				switch( pGrid->Get_Type() )
				{
				case SG_DATATYPE_Byte:		pGrid->Set_Value(x, yy, *(unsigned char  *)pValue);	break;	// 1 Byte Integer (unsigned)
				case SG_DATATYPE_Char:		pGrid->Set_Value(x, yy, *(signed char    *)pValue);	break;	// 1 Byte Integer (signed)
				case SG_DATATYPE_Word:		pGrid->Set_Value(x, yy, *(unsigned short *)pValue);	break;	// 2 Byte Integer (unsigned)
				case SG_DATATYPE_Short:		pGrid->Set_Value(x, yy, *(signed short   *)pValue);	break;	// 2 Byte Integer (signed)
				case SG_DATATYPE_DWord:		pGrid->Set_Value(x, yy, *(unsigned int   *)pValue);	break;	// 4 Byte Integer (unsigned)
				case SG_DATATYPE_Int:		pGrid->Set_Value(x, yy, *(signed int     *)pValue);	break;	// 4 Byte Integer (signed)
				}
			}
		}
	}

	//-----------------------------------------------------
	SG_Free(pLine);

	return( true );
}
Пример #6
0
//---------------------------------------------------------
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 );
}