コード例 #1
0
//---------------------------------------------------------
bool CSG_Grid_Pyramid::_Get_Next_Level(CSG_Grid *pGrid)
{
	if( (m_nMaxLevels <= 0 || m_nLevels < m_nMaxLevels) )
	{
		int		nx, ny;
		double	Cellsize;

		switch( m_Grow_Type )
		{
		case GRID_PYRAMID_Arithmetic:	Cellsize	= pGrid->Get_Cellsize() + m_Grow;	break;
		case GRID_PYRAMID_Geometric:	Cellsize	= pGrid->Get_Cellsize() * m_Grow;	break;
		default: Cellsize	= pGrid->Get_Cellsize() * m_Grow;	break;
		}

		nx	= (int)(1.5 + m_pGrid->Get_XRange() / Cellsize);	if( nx < 1 )	nx	= 1;
		ny	= (int)(1.5 + m_pGrid->Get_YRange() / Cellsize);	if( ny < 1 )	ny	= 1;

		if( nx > 1 || ny > 1 )
		{
			CSG_Grid	*pNext	= SG_Create_Grid(SG_DATATYPE_Float, nx, ny, Cellsize, pGrid->Get_XMin(), pGrid->Get_YMin());

			pNext->Set_NoData_Value(pGrid->Get_NoData_Value());
			pNext->Assign(pGrid);

			m_pLevels	= (CSG_Grid **)SG_Realloc(m_pLevels, (m_nLevels + 1) * sizeof(CSG_Grid *));
			m_pLevels[m_nLevels++]	= pNext;

			_Get_Next_Level(pNext);

			return( true );
		}
	}

	return( false );
}
コード例 #2
0
//---------------------------------------------------------
bool CSG_Grid_Pyramid::_Get_Next_Level(CSG_Grid *pGrid, double Cellsize)
{
	if( (m_nMaxLevels <= 0 || m_nLevels < m_nMaxLevels) )
	{
		int		nx, ny;

		nx	= (int)(1.5 + m_pGrid->Get_XRange() / Cellsize);	if( nx < 1 )	nx	= 1;
		ny	= (int)(1.5 + m_pGrid->Get_YRange() / Cellsize);	if( ny < 1 )	ny	= 1;

		if( nx > 1 || ny > 1 )
		{
			CSG_Grid	*pNext	= SG_Create_Grid(SG_DATATYPE_Float, nx, ny, Cellsize, pGrid->Get_XMin(), pGrid->Get_YMin());

			pNext->Set_NoData_Value(pGrid->Get_NoData_Value());
			pNext->Assign(pGrid);

			m_pLevels	= (CSG_Grid **)SG_Realloc(m_pLevels, (m_nLevels + 1) * sizeof(CSG_Grid *));
			m_pLevels[m_nLevels++]	= pNext;

			_Get_Next_Level(pNext);

			return( true );
		}
	}

	return( false );
}
コード例 #3
0
//---------------------------------------------------------
bool CWatershed_Segmentation::Get_Borders(void)
{
    Process_Set_Text(_TL("Borders"));

    CSG_Grid	*pBorders	= SG_Create_Grid(SG_DATATYPE_Byte, Get_NX() + 2, Get_NY() + 2, Get_Cellsize(), Get_XMin() - 0.5 * Get_Cellsize(), Get_YMin() - 0.5 * Get_Cellsize());

    pBorders->Set_NoData_Value(0);

    Parameters("BORDERS")->Set_Value(pBorders);

    for(int y=0, yy=1; yy<Get_NY() && Set_Progress(yy); y++, yy++)
    {
        for(int x=0, xx=1; xx<Get_NX(); x++, xx++)
        {
            int		id	= m_pSegments->asInt(x, y);

            if( id != m_pSegments->asInt(xx,  y) )
            {
                pBorders->Set_Value(xx,  y, 1);
            }

            if( id != m_pSegments->asInt( x, yy) )
            {
                pBorders->Set_Value( x, yy, 1);
            }

            if( id != m_pSegments->asInt(xx, yy) )
            {
                pBorders->Set_Value(xx, yy, 1);
            }
        }
    }

    return( true );
}
コード例 #4
0
ファイル: Filter_Rank.cpp プロジェクト: johanvdw/saga-debian
//---------------------------------------------------------
bool CFilter_Rank::On_Execute(void)
{
	int			x, y;
	double		Rank;
	CSG_Grid	*pResult;

	//-----------------------------------------------------
	m_pInput	= Parameters("INPUT" )->asGrid();
	pResult		= Parameters("RESULT")->asGrid();
	Rank		= Parameters("RANK"  )->asInt() / 100.0;

	//-----------------------------------------------------
	m_Kernel.Set_Radius(Parameters("RADIUS")->asInt(), Parameters("MODE")->asInt() == 0);

	//-----------------------------------------------------
	if( !pResult || pResult == m_pInput )
	{
		pResult	= SG_Create_Grid(m_pInput);
	}
	else
	{
		pResult->Set_Name(CSG_String::Format(SG_T("%s [%s: %.1f]"), m_pInput->Get_Name(), _TL("Rank"), 100.0 * Rank));

		pResult->Set_NoData_Value(m_pInput->Get_NoData_Value());
	}

	//-----------------------------------------------------
	for(y=0; y<Get_NY() && Set_Progress(y); y++)
	{
		#pragma omp parallel private(x)
		for(x=0; x<Get_NX(); x++)
		{
			double	Value;

			if( Get_Value(x, y, Rank, Value) )
			{
				pResult->Set_Value(x, y, Value);
			}
			else
			{
				pResult->Set_NoData(x, y);
			}
		}
	}

	//-----------------------------------------------------
	if( !Parameters("RESULT")->asGrid() || Parameters("RESULT")->asGrid() == m_pInput )
	{
		m_pInput->Assign(pResult);

		delete(pResult);

		DataObject_Update(m_pInput);
	}

	m_Kernel.Destroy();

	return( true );
}
コード例 #5
0
ファイル: Filter_LoG.cpp プロジェクト: johanvdw/saga-debian
//---------------------------------------------------------
bool CFilter_LoG::On_Execute(void)
{
	CSG_Grid	*pResult;

	//-----------------------------------------------------
	m_pInput	= Parameters("INPUT")	->asGrid();
	pResult		= Parameters("RESULT")	->asGrid();

	//-----------------------------------------------------
	if( Initialise() )
	{
		if( !pResult || pResult == m_pInput )
		{
			pResult	= SG_Create_Grid(m_pInput);
		}
		else
		{
			pResult->Set_Name(CSG_String::Format(SG_T("%s [%s]"), m_pInput->Get_Name(), _TL("Laplace Filter")));

			pResult->Set_NoData_Value(m_pInput->Get_NoData_Value());
		}

		//-------------------------------------------------
		for(int y=0; y<Get_NY() && Set_Progress(y); y++)
		{
			for(int x=0; x<Get_NX(); x++)
			{
				if( m_pInput->is_InGrid(x, y) )
				{
					pResult->Set_Value(x, y, Get_Value(x, y));
				}
				else
				{
					pResult->Set_NoData(x, y);
				}
			}
		}

		//-------------------------------------------------
		if( !Parameters("RESULT")->asGrid() || Parameters("RESULT")->asGrid() == m_pInput )
		{
			m_pInput->Assign(pResult);

			delete(pResult);

			pResult	= m_pInput;
		}

		DataObject_Set_Colors(pResult, 100, SG_COLORS_BLACK_WHITE);

		m_Kernel.Destroy();

		return( true );
	}

	//-----------------------------------------------------
	return( false );
}
コード例 #6
0
//---------------------------------------------------------
bool CSRTM30_Import::On_Execute(void)
{
	char	x_sTile[9][5]	= {	"W180", "W140", "W100", "W060", "W020", "E020", "E060", "E100", "E140"	},
			y_sTile[3][4]	= {	"S10", "N40", "N90"	};

	double	dSize			= 30.0 / (60.0 * 60.0);

	//-----------------------------------------------------
	int			xTile, yTile;
	double		xMin, xMax, yMin, yMax;
	TSG_Rect	rOut, rTile;
	CSG_String	sTile;
	CSG_Grid	*pOut;

	//-----------------------------------------------------
	xMin		= Parameters("XMIN")->asInt();
	xMax		= Parameters("XMAX")->asInt();
	yMin		= Parameters("YMIN")->asInt();
	yMax		= Parameters("YMAX")->asInt();

	rOut.xMin	= (180 + xMin) / 40.0 * X_WIDTH;
	rOut.xMax	= rOut.xMin + (int)((xMax - xMin) / dSize);
	rOut.yMin	= ( 60 + yMin) / 50.0 * Y_WIDTH;
	rOut.yMax	= rOut.yMin + (int)((yMax - yMin) / dSize);

	//-----------------------------------------------------
	pOut		= SG_Create_Grid(SG_DATATYPE_Short,
					(int)(rOut.xMax - rOut.xMin),
					(int)(rOut.yMax - rOut.yMin),
					dSize,
					xMin + 0.5 * dSize,
					yMin + 0.5 * dSize
				);

	pOut->Set_NoData_Value(-9999);
	pOut->Assign_NoData();
	pOut->Set_Name(SG_T("SRTM30"));
	pOut->Get_Projection().Create(SG_T("GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]]"));

	//-----------------------------------------------------
	for(yTile=0, rTile.yMin=0, rTile.yMax=Y_WIDTH; yTile<3; yTile++, rTile.yMin+=Y_WIDTH, rTile.yMax+=Y_WIDTH)
	{
		for(xTile=0, rTile.xMin=0, rTile.xMax=X_WIDTH; xTile<9; xTile++, rTile.xMin+=X_WIDTH, rTile.xMax+=X_WIDTH)
		{
			sTile.Printf(SG_T("Tile: %s%s"), x_sTile[xTile], y_sTile[yTile]);
			Process_Set_Text(sTile);

			sTile.Printf(SG_T("%s%s%s.dem"), Parameters("PATH")->asString(), x_sTile[xTile], y_sTile[yTile]);
			Tile_Load(sTile, rTile, pOut, rOut);
		}
	}

	//-----------------------------------------------------
	Parameters("GRID")->Set_Value(pOut);

	return( true );
}
コード例 #7
0
//---------------------------------------------------------
bool CGrid_Classify_Supervised::On_Execute(void)
{
	//-----------------------------------------------------
	if( !Get_Features() )
	{
		Error_Set(_TL("invalid features"));

		return( false );
	}

	//-----------------------------------------------------
	CSG_Classifier_Supervised	Classifier;

	if( !Set_Classifier(Classifier) )
	{
		return( false );
	}

	//-----------------------------------------------------
	CSG_Grid	*pClasses	= Parameters("CLASSES")->asGrid();
	CSG_Grid	*pQuality	= Parameters("QUALITY")->asGrid();

	pClasses->Set_NoData_Value(0);
	pClasses->Assign(0.0);

	//-----------------------------------------------------
	Process_Set_Text(_TL("prediction"));

	int	Method	= Parameters("METHOD")->asInt();

	for(int y=0; y<Get_NY() && Set_Progress(y); y++)
	{
		#pragma omp parallel for
		for(int x=0; x<Get_NX(); x++)
		{
			int			Class;
			double		Quality;
			CSG_Vector	Features(m_pFeatures->Get_Count());

			if( Get_Features(x, y, Features) && Classifier.Get_Class(Features, Class, Quality, Method) )
			{
				SG_GRID_PTR_SAFE_SET_VALUE(pClasses, x, y, 1 + Class);
				SG_GRID_PTR_SAFE_SET_VALUE(pQuality, x, y, Quality  );
			}
			else
			{
				SG_GRID_PTR_SAFE_SET_NODATA(pClasses, x, y);
				SG_GRID_PTR_SAFE_SET_NODATA(pQuality, x, y);
			}
		}
	}

	//-----------------------------------------------------
	return( Set_Classification(Classifier) );
}
コード例 #8
0
//---------------------------------------------------------
bool CGrid_RGB_Split::On_Execute(void)
{
	CSG_Grid	*pRGB	= Parameters("RGB")->asGrid();

	if( SG_Data_Type_Get_Size(pRGB->Get_Type()) < 4 )
	{
		Message_Add(_TL("warning, input uses less than 4 bytes per value"));
	}

	bool	bNoData	= Parameters("NODATA")->asBool();

	CSG_Grid	*pR	= Parameters("R")->asGrid();	if( bNoData && pR )	pR->Set_NoData_Value(-1);
	CSG_Grid	*pG	= Parameters("G")->asGrid();	if( bNoData && pG )	pG->Set_NoData_Value(-1);
	CSG_Grid	*pB	= Parameters("B")->asGrid();	if( bNoData && pB )	pB->Set_NoData_Value(-1);
	CSG_Grid	*pA	= Parameters("A")->asGrid();	if( bNoData && pA )	pA->Set_NoData_Value(-1);

	for(int y=0; y<Get_NY() && Set_Progress(y); y++)
	{
		#pragma omp parallel for
		for(int x=0; x<Get_NX(); x++)
		{
			if( bNoData || !pRGB->is_NoData(x, y) )
			{
				int	RGB	= pRGB->asInt(x, y);

				if( pR )	pR->Set_Value(x, y, SG_GET_R(RGB));
				if( pG )	pG->Set_Value(x, y, SG_GET_G(RGB));
				if( pB )	pB->Set_Value(x, y, SG_GET_B(RGB));
				if( pA )	pA->Set_Value(x, y, SG_GET_A(RGB));
			}
			else
			{
				if( pR )	pR->Set_NoData(x, y);
				if( pG )	pG->Set_NoData(x, y);
				if( pB )	pB->Set_NoData(x, y);
				if( pA )	pA->Set_NoData(x, y);
			}
		}
	}

	return( true );
}
コード例 #9
0
//---------------------------------------------------------
bool CTC_Classification::Get_Classes(void)
{
	//-----------------------------------------------------
	int	Level, nLevels	= 1 + Parameters("TYPE")->asInt();

	CSG_Grid	*pLandforms	= Parameters("LANDFORMS")->asGrid();

	pLandforms->Assign(0.0);
	pLandforms->Set_NoData_Value(CLASS_FLAG_NODATA);

	Set_LUT(pLandforms, nLevels);

	//-----------------------------------------------------
	for(Level=1; Level<=nLevels && Process_Get_Okay(); Level++)
	{
		Process_Set_Text(CSG_String::Format("%s: %d", _TL("Level"), Level));

		m_Mean_Slope		= Level == 1 ? m_pSlope    ->Get_Mean() : m_Stat_Slope    .Get_Mean();
		m_Mean_Convexity	= Level == 1 ? m_pConvexity->Get_Mean() : m_Stat_Convexity.Get_Mean();
		m_Mean_Texture  	= Level == 1 ? m_pTexture  ->Get_Mean() : m_Stat_Texture  .Get_Mean();

		m_Stat_Slope    .Invalidate();
		m_Stat_Convexity.Invalidate();
		m_Stat_Texture  .Invalidate();

		for(int y=0; y<Get_NY() && Set_Progress(y); y++)
		{
			for(int x=0; x<Get_NX(); x++)
			{
				if( pLandforms->asInt(x, y) == 0 )
				{
					pLandforms->Set_Value(x, y, Get_Class(Level, x, y, Level == nLevels));
				}
			}
		}
	}

	//-----------------------------------------------------
	return( true );
}
コード例 #10
0
//---------------------------------------------------------
bool CSoil_Texture::On_Execute(void)
{
	//-----------------------------------------------------
	CSG_Grid	*pSand	= Parameters("SAND"   )->asGrid();
	CSG_Grid	*pSilt	= Parameters("SILT"   )->asGrid();
	CSG_Grid	*pClay	= Parameters("CLAY"   )->asGrid();
	CSG_Grid	*pClass	= Parameters("TEXTURE")->asGrid();
	CSG_Grid	*pSum	= Parameters("SUM"    )->asGrid();

	//-----------------------------------------------------
	if( (pSand ? 1 : 0) + (pSilt ? 1 : 0) + (pClay ? 1 : 0) < 2 )
	{
		Error_Set(_TL("at least two contents (sand, silt, clay) have to be given"));

		return( false );
	}

	//-----------------------------------------------------
	pClass->Set_NoData_Value(-1.0);

	CSG_Parameter	*pLUT	= DataObject_Get_Parameter(pClass, "LUT");

	if( pLUT && pLUT->asTable() )
	{
		CSG_Table	*pClasses	= pLUT->asTable();

		for(int iClass=0; iClass<12; iClass++)
		{
			CSG_Table_Record	*pClass	= pClasses->Get_Record(iClass);

			if( pClass == NULL )
			{
				pClass	= pClasses->Add_Record();
			}

			pClass->Set_Value(0, Classes[iClass].Color);
			pClass->Set_Value(1, Classes[iClass].Name);
			pClass->Set_Value(2, Classes[iClass].Key);
			pClass->Set_Value(3, iClass);
			pClass->Set_Value(4, iClass);
		}

		while( pClasses->Get_Count() > 12 )
		{
			pClasses->Del_Record(pClasses->Get_Count() - 1);
		}

		DataObject_Set_Parameter(pClass, pLUT);	// Lookup Table
		DataObject_Set_Parameter(pClass, "COLORS_TYPE", 1);	// Color Classification Type: Lookup Table
	}

	//-----------------------------------------------------
	for(int y=0; y<Get_NY() && Set_Progress(y); y++)
	{
		#pragma omp parallel for
		for(int x=0; x<Get_NX(); x++)
		{
			if(	(pSand && pSand->is_NoData(x, y))
			||	(pSilt && pSilt->is_NoData(x, y))
			||	(pClay && pClay->is_NoData(x, y)) )
			{
				SG_GRID_PTR_SAFE_SET_NODATA(pClass, x, y);
				SG_GRID_PTR_SAFE_SET_NODATA(pSum  , x, y);
			}
			else
			{
				int		Class	= -1;
				double	Sum		= 100.0;

				if( pSand && pSilt && pClay )
				{
					Class	= Get_Texture(pSand->asDouble(x, y), pSilt->asDouble(x, y), pClay->asDouble(x, y), Sum);
				}
				else if( !pSilt )
				{
					Class	= Get_Texture_SandClay(pSand->asDouble(x, y), pClay->asDouble(x, y));
				}
				else if( !pClay )
				{
					Class	= Get_Texture_SandSilt(pSand->asDouble(x, y), pSilt->asDouble(x, y));
				}
				else if( !pSand )
				{
					Class	= Get_Texture_SiltClay(pSilt->asDouble(x, y), pClay->asDouble(x, y));
				}

				SG_GRID_PTR_SAFE_SET_VALUE(pClass, x, y, Class);
				SG_GRID_PTR_SAFE_SET_VALUE(pSum  , x, y, Sum  );
			}
		}
	}

	//-----------------------------------------------------
	return( true );
}
コード例 #11
0
ファイル: mola.cpp プロジェクト: Fooway/SAGA-GIS-git-mirror
//---------------------------------------------------------
bool CMOLA_Import::On_Execute(void)
{
	bool			bDown;
	int				xa, xb, y, yy, NX, NY;
	short			*sLine;
	double			D, xMin, yMin;
	CSG_File		Stream;
	TSG_Data_Type	Type;
	CSG_Grid		*pGrid;
	CSG_String		fName, sName;

	//-----------------------------------------------------
	pGrid	= NULL;

	switch( Parameters("TYPE")->asInt() )
	{
	case 0:				Type	= SG_DATATYPE_Short;	break;
	case 1: default:	Type	= SG_DATATYPE_Float;	break;
	}

	bDown	= Parameters("ORIENT")->asInt() == 1;

	//-----------------------------------------------------
	// MEGpxxnyyyrv
	// 012345678901
	//  p indicates the product type (A for areoid, C for counts, R for
	//    radius, and T for topography)
	//  xx is the latitude of the upper left corner of the image
	//  n indicates whether the latitude is north (N) or south (S)
	//  yyy is the east longitude of the upper left corner of the image
	//  r is the map resolution using the pattern
	//    c =   4 pixel per degree
	//    e =  16 pixel per degree
	//    f =  32 pixel per degree
	//    g =  64 pixel per degree
	//    h = 128 pixel per degree
	//    (This convention is consistent with that used for the Mars Digital
	//    Image Model [MDIM] archives.)
	//  v is a letter indicating the product version.

	fName	= SG_File_Get_Name(Parameters("FILE")->asString(), false);
	fName.Make_Upper();

	if( fName.Length() < 12 )
	{
		return( false );
	}

	//-----------------------------------------------------
	switch( fName[3] )
	{
	default:
		return( false );

	case 'A':
		sName.Printf(SG_T("MOLA: Areoid v%c")		, fName[11]);
		break;

	case 'C':
		sName.Printf(SG_T("MOLA: Counts v%c")		, fName[11]);
		break;

	case 'R':
		sName.Printf(SG_T("MOLA: Radius v%c")		, fName[11]);
		break;

	case 'T':
		sName.Printf(SG_T("MOLA: Topography v%c")	, fName[11]);
		break;
	}

	//-----------------------------------------------------
	switch( fName[10] )
	{
	default:
		return( false );

	case 'C':	// 1/4th degree...
		D		= 1.0 /   4.0;
		NX		=   4 * 360;
		NY		=   4 * 180;
		yMin	= - 90.0;
		xMin	= -180.0;
		break;

	case 'D':	// 1/8th degree...
		D		= 1.0 /   8.0;
		NX		=   8 * 360;
		NY		=   8 * 180;
		yMin	= - 90.0;
		xMin	= -180.0;
		break;

	case 'E':	// 1/16th degree...
		D		= 1.0 /  16.0;
		NX		=  16 * 360;
		NY		=  16 * 180;
		yMin	= - 90.0;
		xMin	= -180.0;
		break;

	case 'F':	// 1/32th degree...
		D		= 1.0 /  32.0;
		NX		=  32 * 360;
		NY		=  32 * 180;
		yMin	= - 90.0;
		xMin	= -180.0;
		break;

	case 'G':	// 1/64th degree...
		D		= 1.0 /  64.0;
		NX		=  64 * 180;
		NY		=  64 *  90;
		yMin	= (fName[6] == 'S' ? -1.0 :  1.0) * fName.Right(8).asInt();
		yMin	= bDown ? yMin - NY * D : -yMin;
		xMin	= fName.Right(5).asInt();
		if( xMin >= 180.0 )
		{
			xMin	-= 360.0;
		}
		break;

	case 'H':	// 1/128th degree...
		D		= 1.0 / 128.0;
		NX		= 128 *  90;
		NY		= 128 *  44;
		yMin	= (fName[6] == 'S' ? -1.0 :  1.0) * fName.Right(8).asInt();
		yMin	= bDown ? yMin - NY * D : -yMin;
		xMin	= fName.Right(5).asInt();
		if( xMin >= 180.0 )
		{
			xMin	-= 360.0;
		}
		break;
	}

	//-----------------------------------------------------
	if( Stream.Open(Parameters("FILE")->asString(), SG_FILE_R, true) )
	{
		if( (pGrid = SG_Create_Grid(Type, NX, NY, D, xMin + D / 2.0, yMin + D / 2.0)) != NULL )
		{
			pGrid->Set_Name(sName);
			pGrid->Set_NoData_Value(-999999);
			pGrid->Get_Projection().Create(SG_T("+proj=lonlat +units=m +a=3396200.000000 +b=3376200.000000"), SG_PROJ_FMT_Proj4);

			//---------------------------------------------
			sLine	= (short *)SG_Malloc(NX * sizeof(short));

			for(y=0; y<NY && !Stream.is_EOF() && Set_Progress(y, NY); y++)
			{
				yy	= bDown ? NY - 1 - y : y;

				Stream.Read(sLine, NX, sizeof(short));

				if( fName[10] == 'G' || fName[10] == 'H' )
				{
					for(xa=0; xa<NX; xa++)
					{
						SG_Swap_Bytes(sLine + xa, sizeof(short));

						pGrid->Set_Value(xa, yy, sLine[xa]);
					}
				}
				else
				{
					for(xa=0, xb=NX/2; xb<NX; xa++, xb++)
					{
						SG_Swap_Bytes(sLine + xa, sizeof(short));
						SG_Swap_Bytes(sLine + xb, sizeof(short));

						pGrid->Set_Value(xa, yy, sLine[xb]);
						pGrid->Set_Value(xb, yy, sLine[xa]);
					}
				}
			}

			//---------------------------------------------
			SG_Free(sLine);

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

	return( pGrid != NULL );
}
コード例 #12
0
ファイル: grid_table.cpp プロジェクト: johanvdw/saga-debian
//---------------------------------------------------------
bool CGrid_Table_Import::On_Execute(void)
{
	bool			bDown;
	int				x, y, nx, ny;
	double			dxy, xmin, ymin, zFactor, zNoData;
	TSG_Data_Type		data_type;
	CSG_String		FileName, Unit;
	CSG_Grid			*pGrid;
	CSG_Table			Table;
	CSG_Table_Record	*pRecord;

	//-----------------------------------------------------
	FileName	= Parameters("FILE_DATA")		->asString();
	dxy			= Parameters("DXY")				->asDouble();
	xmin		= Parameters("XMIN")			->asDouble();
	ymin		= Parameters("YMIN")			->asDouble();
	bDown		= Parameters("TOPDOWN")			->asInt() == 1;
	Unit		= Parameters("UNIT")			->asString();
	zFactor		= Parameters("ZFACTOR")			->asDouble();
	zNoData		= Parameters("NODATA")			->asDouble();

	switch( Parameters("DATA_TYPE")->asInt() )
	{
	default:	data_type	= SG_DATATYPE_Undefined;	break;	// not handled
	case 0:		data_type	= SG_DATATYPE_Byte;			break;	// 1 Byte Integer (unsigned)
	case 1:		data_type	= SG_DATATYPE_Char;			break;	// 1 Byte Integer (signed)
	case 2:		data_type	= SG_DATATYPE_Word;			break;	// 2 Byte Integer (unsigned)
	case 3:		data_type	= SG_DATATYPE_Short;		break;	// 2 Byte Integer (signed)
	case 4:		data_type	= SG_DATATYPE_DWord;		break;	// 4 Byte Integer (unsigned)
	case 5:		data_type	= SG_DATATYPE_Int;			break;	// 4 Byte Integer (signed)
	case 6:		data_type	= SG_DATATYPE_Float;		break;	// 4 Byte Floating Point
	case 7:		data_type	= SG_DATATYPE_Double;		break;	// 8 Byte Floating Point
	}

	//-----------------------------------------------------
	if( Table.Create(FileName) && (nx = Table.Get_Field_Count()) > 0 && (ny = Table.Get_Record_Count()) > 0 )
	{
		pGrid	= SG_Create_Grid(data_type, nx, ny, dxy, xmin, ymin);

		for(y=0; y<ny && Set_Progress(y, ny); y++)
		{
			pRecord	= Table.Get_Record(bDown ? ny - 1 - y : y);

			for(x=0; x<nx; x++)
			{
				pGrid->Set_Value(x, y, pRecord->asDouble(x));
			}
		}

		pGrid->Set_Unit			(Unit);
		pGrid->Set_ZFactor		(zFactor);
		pGrid->Set_NoData_Value	(zNoData);
		pGrid->Set_Name			(SG_File_Get_Name(FileName, false));

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

		return( true );
	}

	//-----------------------------------------------------
	return( false );
}
コード例 #13
0
//---------------------------------------------------------
bool CCRU_Table_Import::On_Execute(void)
{
	//-----------------------------------------------------
	CSG_File	File;

	if( !File.Open(Parameters("FILE")->asString(), SG_FILE_R, false) )
	{
		Error_Fmt("%s [%s]", _TL("could not open file"), Parameters("FILE")->asString());

		return( false );
	}

	//-----------------------------------------------------
	CSG_String	sLine;

	if( !File.Read_Line(sLine) )
	{
		Error_Fmt("%s [%s]", _TL("failed to read header"), Parameters("FILE")->asString());

		return( false );
	}

	//-----------------------------------------------------
	int		nx, ny, nMonths;
	double	Cellsize, xMin, yMin, xMax, yMax;

	if( !File.Scan(Cellsize)
	||  !File.Scan(xMin    ) || !File.Scan(yMin    )
	||  !File.Scan(xMax    ) || !File.Scan(yMax    )
	||  !File.Scan(nx      ) || !File.Scan(ny      )
	||  !File.Scan(nMonths ) )
	{
		Error_Fmt("%s [%s]", _TL("failed to read header"), Parameters("FILE")->asString());

		return( false );
	}

	//-----------------------------------------------------
	CSG_Grid_System	System(Cellsize, xMin, yMin, nx, ny);

	if( !System.is_Valid() || System.Get_XMax() != xMax || System.Get_YMax() != yMax )
	{
		Error_Fmt("%s [%s]", _TL("failed to read header"), Parameters("FILE")->asString());

		return( false );
	}

	//-----------------------------------------------------
	bool	bShift	= Parameters("SHIFT")->asBool();

	if( bShift )
	{
		System.Assign(Cellsize, xMin - 180.0, yMin, nx, ny);
	}

	//-----------------------------------------------------
	CSG_String	Name	= SG_File_Get_Name(Parameters("FILE")->asString(), false);

	Parameters("GRIDS")->asGridList()->Del_Items();

	for(int iMonth=0; iMonth<nMonths && !File.is_EOF() && Process_Get_Okay(); iMonth++)
	{
		Process_Set_Text("%s %d", _TL("Band"), 1 + iMonth);

		CSG_Grid	*pGrid	= SG_Create_Grid(System, SG_DATATYPE_Short);

		pGrid->Fmt_Name("%s_%02d", Name.c_str(), 1 + iMonth);
		pGrid->Set_NoData_Value(-9999);
		pGrid->Get_Projection().Set_GCS_WGS84();

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

		//-------------------------------------------------
		for(int y=0; y<ny && !File.is_EOF() && Set_Progress(y, ny); y++)
		{
			if( File.Read_Line(sLine) && sLine.Length() >= 5. * nx )
			{
				for(int x=0, xx=bShift?nx/2:x, yy=ny-1-y; x<nx; x++, xx++)
				{
					double	z;

					CSG_String	s	= sLine.Mid(x * 5, 5);

					if( s.asDouble(z) )
					{
						pGrid->Set_Value(xx % nx, yy, z);
					}
					else
					{
						pGrid->Set_NoData(xx % nx, yy);
					}
				}
			}
		}
	}

	//-----------------------------------------------------
	return( true );
}
コード例 #14
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 );
}
コード例 #15
0
ファイル: surfer.cpp プロジェクト: am2222/SAGA-GIS
//---------------------------------------------------------
bool CSurfer_Import::On_Execute(void)
{
	int			x, y, NX, NY;
	short		sValue;
	long		lValue;
	float		*fLine;
	double		*dLine, dValue, DX, DY, xMin, yMin;
	FILE		*Stream;
	CSG_String	fName;
	CSG_Grid	*pGrid;

	//-----------------------------------------------------
	pGrid	= NULL;
	fName	= Parameters("FILE")->asString();

	//-----------------------------------------------------
	if( fName.Length() > 0 && (Stream = fopen(fName.b_str(), "rb")) != NULL )
	{
		fread(&lValue, 1, sizeof(long), Stream);

		//-------------------------------------------------
		// Surfer 7: Binary...

		if( !strncmp((char *)&lValue, "DSRB", 4) )
		{
			fread(&lValue, 1, sizeof(long)	, Stream);			// SectionSize...
			fread(&lValue, 1, sizeof(long)	, Stream);			// Version
			fread(&lValue, 1, sizeof(long)	, Stream);

			if( lValue == 0x44495247 )							// Grid-Header...
			{
				fread(&lValue	, 1, sizeof(long)	, Stream);	// SectionSize...

				fread(&lValue	, 1, sizeof(long)	, Stream);	// NX...
				NY		= (int)lValue;
				fread(&lValue	, 1, sizeof(long)	, Stream);	// NY...
				NX		= (int)lValue;

				fread(&xMin		, 1, sizeof(double)	, Stream);	// xMin...
				fread(&yMin		, 1, sizeof(double)	, Stream);	// yMin...

				fread(&DX		, 1, sizeof(double)	, Stream);	// DX...
				fread(&DY		, 1, sizeof(double)	, Stream);	// DY...

				fread(&dValue	, 1, sizeof(double)	, Stream);	// zMin...
				fread(&dValue	, 1, sizeof(double)	, Stream);	// zMax...

				fread(&dValue	, 1, sizeof(double)	, Stream);	// Rotation (unused)...
				fread(&dValue	, 1, sizeof(double)	, Stream);	// Blank Value...
				fread(&lValue	, 1, sizeof(long)	, Stream);	// ???...

				if( lValue == 0x41544144 )						// Load Binary Double...
				{
					fread(&lValue, 1, sizeof(long)	, Stream);	// SectionSize...

					//-------------------------------------
					if( !feof(Stream) && (pGrid = SG_Create_Grid(SG_DATATYPE_Double, NX, NY, DX, xMin, yMin)) != NULL )
					{
						dLine	= (double *)SG_Malloc(pGrid->Get_NX() * sizeof(double));

						for(y=0; y<pGrid->Get_NY() && !feof(Stream) && Set_Progress(y, pGrid->Get_NY()); y++)
						{
							fread(dLine, pGrid->Get_NX(), sizeof(double), Stream);

							for(x=0; x<pGrid->Get_NX(); x++)
							{
								pGrid->Set_Value(x, y, dLine[x]);
							}
						}

						SG_Free(dLine);
					}
				}
			}
		}

		//-------------------------------------------------
		// Surfer 6: Binary...

		else if( !strncmp((char *)&lValue, "DSBB", 4) )
		{
			fread(&sValue	, 1, sizeof(short)	, Stream);
			NX		= sValue;
			fread(&sValue	, 1, sizeof(short)	, Stream);
			NY		= sValue;

			fread(&xMin		, 1, sizeof(double)	, Stream);
			fread(&dValue	, 1, sizeof(double)	, Stream);	// XMax
			DX		= (dValue - xMin) / (NX - 1.0);

			fread(&yMin		, 1, sizeof(double)	, Stream);
			fread(&dValue	, 1, sizeof(double)	, Stream);	// YMax...
			DY		= (dValue - yMin) / (NY - 1.0);

			fread(&dValue	, 1, sizeof(double)	, Stream);	// ZMin...
			fread(&dValue	, 1, sizeof(double)	, Stream);	// ZMax...

			//---------------------------------------------
			if( !feof(Stream) && (pGrid = SG_Create_Grid(SG_DATATYPE_Float, NX, NY, DX, xMin, yMin)) != NULL )
			{
				fLine	= (float *)SG_Malloc(pGrid->Get_NX() * sizeof(float));

				for(y=0; y<pGrid->Get_NY() && !feof(Stream) && Set_Progress(y, pGrid->Get_NY()); y++)
				{
					fread(fLine, pGrid->Get_NX(), sizeof(float), Stream);

					for(x=0; x<pGrid->Get_NX(); x++)
					{
						pGrid->Set_Value(x, y, fLine[x]);
					}
				}

				SG_Free(fLine);
			}
		}

		//-------------------------------------------------
		// Surfer 6: ASCII...

		else if( !strncmp((char *)&lValue, "DSAA", 4) )
		{
			fscanf(Stream, "%d %d"	, &NX	, &NY);

			fscanf(Stream, "%lf %lf", &xMin	, &dValue);
			DX		= (dValue - xMin) / (NX - 1.0);

			fscanf(Stream, "%lf %lf", &yMin	, &dValue);
			DY		= (dValue - yMin) / (NY - 1.0);

			fscanf(Stream, "%lf %lf", &dValue, &dValue);

			//---------------------------------------------
			if( !feof(Stream) && (pGrid = SG_Create_Grid(SG_DATATYPE_Float, NX, NY, DX, xMin, yMin)) != NULL )
			{
				for(y=0; y<pGrid->Get_NY() && !feof(Stream) && Set_Progress(y, pGrid->Get_NY()); y++)
				{
					for(x=0; x<pGrid->Get_NX(); x++)
					{
						fscanf(Stream, "%lf", &dValue);

						pGrid->Set_Value(x, y, dValue);
					}
				}
			}
		}

		fclose(Stream);
	}

	//-----------------------------------------------------
	if( pGrid )
	{
		pGrid->Set_Name(Parameters("FILE")->asString());
		pGrid->Set_NoData_Value(Parameters("NODATA")->asInt() == 0 ? NODATAVALUE : Parameters("NODATA_VAL")->asDouble());

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

	return( pGrid != NULL );
}
コード例 #16
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 );
}
コード例 #17
0
//---------------------------------------------------------
CSG_Shape * CWatersheds_ext::Get_Basin(CSG_Grid *pBasins, CSG_Shapes *pPolygons)
{
	int			x, y, nEdges, Basin_ID;
	CSG_Grid	Edge;
	CSG_Shape	*pPolygon	= NULL;

	Basin_ID	= 1 + pPolygons->Get_Count();

	//-----------------------------------------------------
	Edge.Create(SG_DATATYPE_Char, 2 * Get_NX() + 1, 2 * Get_NY() + 1, 0.5 * Get_Cellsize(), Get_XMin() - 0.5 * Get_Cellsize(), Get_YMin() - 0.5 * Get_Cellsize());
	Edge.Set_NoData_Value(0);

	for(y=0, nEdges=0; y<Get_NY() && Process_Get_Okay(); y++)
	{
		for(x=0; x<Get_NX(); x++)
		{
			if( pBasins->asInt(x, y) == Basin_ID )
			{
				for(int i=0; i<8; i+=2)
				{
					int	ix	= Get_xTo(i, x);
					int	iy	= Get_yTo(i, y);

					if( !is_InGrid(ix, iy) || pBasins->asInt(ix, iy) != Basin_ID )
					{
						ix	= 1 + 2 * x;
						iy	= 1 + 2 * y;

						Edge.Set_Value(               ix,                 iy ,  1);
						Edge.Set_Value(Get_xTo(i    , ix), Get_yTo(i    , iy), -1);
						Edge.Set_Value(Get_xTo(i - 1, ix), Get_yTo(i - 1, iy), -1);

						nEdges++;
					}
				}
			}
		}
	}

	//-----------------------------------------------------
	if( nEdges > 0 )
	{
		for(int yEdge=0; yEdge<Edge.Get_NY(); yEdge++)	for(int xEdge=0; xEdge<Edge.Get_NX(); xEdge++)
		{
			int	i	= 4;

			if( Edge.asInt(xEdge, yEdge) == 1 && Edge.asInt(Get_xTo(i, xEdge), Get_yTo(i, yEdge)) == -1 )
			{
				if( pPolygon == NULL )
				{
					pPolygon	= pPolygons->Add_Shape();
				}

				int	iPart	= pPolygon->Get_Part_Count();
				int	xFirst	= x	= Get_xTo(i, xEdge);
				int	yFirst	= y	= Get_yTo(i, yEdge);
				i	= i + 2;

				pPolygon	->Add_Point(Edge.Get_System().Get_Grid_to_World(x, y), iPart);

				do
				{
					int	ix	= Get_xTo(i + 2, x);
					int	iy	= Get_yTo(i + 2, y);

					if( Edge.is_InGrid(ix, iy) && Edge.asInt(ix, iy) == -1 )			// go right ?
					{
						pPolygon->Add_Point(Edge.Get_System().Get_Grid_to_World(x, y), iPart);

						i	= (i + 2) % 8;
					}
					else
					{
						if( Edge.asInt(ix, iy) == 1 )
						{
							Edge.Set_NoData(ix, iy);	// erase class id in right cells
						}

						ix	= Get_xTo(i, x);
						iy	= Get_yTo(i, y);

						if( Edge.is_InGrid(ix, iy) && Edge.asInt(ix, iy) == -1 )		// go ahead ?
						{
							// nop
						}
						else
						{
							ix	= Get_xTo(i + 6, x);
							iy	= Get_yTo(i + 6, y);

							if( Edge.is_InGrid(ix, iy) && Edge.asInt(ix, iy) == -1 )	// go left ?
							{
								pPolygon->Add_Point(Edge.Get_System().Get_Grid_to_World(x, y), iPart);

								i	= (i + 6) % 8;
							}
							else
							{
								return( false );
							}
						}
					}

					x	= ix;
					y	= iy;
				}
				while( x != xFirst || y != yFirst );

				pPolygon->Add_Point(Edge.Get_System().Get_Grid_to_World(x, y), iPart);
			}
		}
	}

	//-----------------------------------------------------
	return( pPolygon );
}
コード例 #18
0
//---------------------------------------------------------
bool CSurfer_Import::On_Execute(void)
{
	//-----------------------------------------------------
	CSG_String	File	= Parameters("FILE")->asString();

	FILE	*Stream	 = fopen(File.b_str(), "rb");

	if( !Stream )
	{
		Error_Set(_TL("failed to open file"));

		return( false );
	}

	CSG_Grid	*pGrid	= NULL;

	char	Id[4];	fread(Id, 1, 4 * sizeof(char), Stream);

	//-----------------------------------------------------
	if( !strncmp(Id, "DSRB", 4) )	// Surfer 7: Binary...
	{
		long	lValue, nx, ny;
		double	dValue, dx, dy, xmin, ymin;

		fread(&lValue, 1, sizeof(long), Stream);		// SectionSize...
		fread(&lValue, 1, sizeof(long), Stream);		// Version
		fread(&lValue, 1, sizeof(long), Stream);

		if( lValue == 0x44495247 )						// Grid-Header...
		{
			fread(&lValue, 1, sizeof(long  ), Stream);	// SectionSize...
			fread(&ny    , 1, sizeof(long  ), Stream);
			fread(&nx    , 1, sizeof(long  ), Stream);
			fread(&xmin  , 1, sizeof(double), Stream);
			fread(&ymin  , 1, sizeof(double), Stream);
			fread(&dx    , 1, sizeof(double), Stream);
			fread(&dy    , 1, sizeof(double), Stream);
			fread(&dValue, 1, sizeof(double), Stream);
			fread(&dValue, 1, sizeof(double), Stream);
			fread(&dValue, 1, sizeof(double), Stream);	// Rotation (unused)...
			fread(&dValue, 1, sizeof(double), Stream);	// Blank Value...
			fread(&lValue, 1, sizeof(long  ), Stream);	// ???...

			if( lValue == 0x41544144 )	// Load Binary Double...
			{
				fread(&lValue, 1, sizeof(long), Stream);	// SectionSize...

				//-----------------------------------------
				if( !feof(Stream) && (pGrid = SG_Create_Grid(SG_DATATYPE_Double, nx, ny, dx, xmin, ymin)) != NULL )
				{
					double	*Line	= (double *)SG_Malloc(pGrid->Get_NX() * sizeof(double));

					for(int y=0; y<pGrid->Get_NY() && !feof(Stream) && Set_Progress(y, pGrid->Get_NY()); y++)
					{
						fread(Line, pGrid->Get_NX(), sizeof(double), Stream);

						for(int x=0; x<pGrid->Get_NX(); x++)
						{
							pGrid->Set_Value(x, y, Line[x]);
						}
					}

					SG_Free(Line);
				}
			}
		}
	}

	//-----------------------------------------------------
	else if( !strncmp(Id, "DSBB", 4) )	// Surfer 6: Binary...
	{
		short	nx, ny;
		double	dValue, dx, dy, xmin, ymin;

		fread(&nx    , 1, sizeof(short ), Stream);
		fread(&ny    , 1, sizeof(short ), Stream);
		fread(&xmin  , 1, sizeof(double), Stream);
		fread(&dx    , 1, sizeof(double), Stream);	dx	= (dx - xmin) / (nx - 1.0);	// XMax
		fread(&ymin  , 1, sizeof(double), Stream);
		fread(&dy    , 1, sizeof(double), Stream);	dy	= (dy - ymin) / (ny - 1.0);	// YMax...
		fread(&dValue, 1, sizeof(double), Stream);	// ZMin...
		fread(&dValue, 1, sizeof(double), Stream);	// ZMax...

		//-------------------------------------------------
		if( !feof(Stream) && (pGrid = SG_Create_Grid(SG_DATATYPE_Float, nx, ny, dx, xmin, ymin)) != NULL )
		{
			float	*Line	= (float *)SG_Malloc(pGrid->Get_NX() * sizeof(float));

			for(int y=0; y<pGrid->Get_NY() && !feof(Stream) && Set_Progress(y, pGrid->Get_NY()); y++)
			{
				fread(Line, pGrid->Get_NX(), sizeof(float), Stream);

				for(int x=0; x<pGrid->Get_NX(); x++)
				{
					pGrid->Set_Value(x, y, Line[x]);
				}
			}

			SG_Free(Line);
		}
	}

	//-----------------------------------------------------
	else if( !strncmp(Id, "DSAA", 4) )	// Surfer 6: ASCII...
	{
		int		nx, ny;
		double	dx, dy, xmin, ymin, dValue;

		fscanf(Stream, "%d  %d" , &nx    , &ny    );
		fscanf(Stream, "%lf %lf", &xmin	 , &dx    );	dx	= (dx - xmin) / (nx - 1.0);
		fscanf(Stream, "%lf %lf", &ymin	 , &dy    );	dy	= (dy - ymin) / (ny - 1.0);
		fscanf(Stream, "%lf %lf", &dValue, &dValue);

		//-------------------------------------------------
		if( !feof(Stream) && (pGrid = SG_Create_Grid(SG_DATATYPE_Float, nx, ny, dx, xmin, ymin)) != NULL )
		{
			for(int y=0; y<pGrid->Get_NY() && !feof(Stream) && Set_Progress(y, pGrid->Get_NY()); y++)
			{
				for(int x=0; x<pGrid->Get_NX(); x++)
				{
					fscanf(Stream, "%lf", &dValue);

					pGrid->Set_Value(x, y, dValue);
				}
			}
		}
	}

	//-----------------------------------------------------
	fclose(Stream);

	if( pGrid )
	{
		pGrid->Set_Name(SG_File_Get_Name(File, false));

		pGrid->Set_NoData_Value(Parameters("NODATA")->asInt() == 0 ? NODATAVALUE : Parameters("NODATA_VAL")->asDouble());

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

		return( true );
	}

	return( false );
}
コード例 #19
0
//---------------------------------------------------------
bool CFilter_3x3::On_Execute(void)
{
	//-----------------------------------------------------
	CSG_Table	*pFilter	= Parameters("FILTER")->asTable()
		? Parameters("FILTER"    )->asTable()
		: Parameters("FILTER_3X3")->asTable();

	if( pFilter->Get_Count() < 1 || pFilter->Get_Field_Count() < 1 )
	{
		Error_Set(_TL("invalid filter matrix"));

		return( false );
	}

	//-----------------------------------------------------
	CSG_Matrix	Filter(pFilter->Get_Field_Count(), pFilter->Get_Count());

	{
		for(int iy=0; iy<Filter.Get_NY(); iy++)
		{
			CSG_Table_Record	*pRecord	= pFilter->Get_Record(iy);

			for(int ix=0; ix<Filter.Get_NX(); ix++)
			{
				Filter[iy][ix]	= pRecord->asDouble(ix);
			}
		}
	}

	int	nx	= (Filter.Get_NX() - 1) / 2;
	int	ny	= (Filter.Get_NY() - 1) / 2;

	//-----------------------------------------------------
	CSG_Grid	*pInput 	= Parameters("INPUT" )->asGrid();
	CSG_Grid	*pResult	= Parameters("RESULT")->asGrid();

	if( !pResult || pResult == pInput )
	{
		pResult	= SG_Create_Grid(pInput);
	}
	else
	{
		pResult->Fmt_Name("%s [%s]", pInput->Get_Name(), _TL("Filter"));

		pResult->Set_NoData_Value(pInput->Get_NoData_Value());
	}

	//-----------------------------------------------------
	bool	bAbsolute	= Parameters("ABSOLUTE")->asBool();

	for(int y=0; y<Get_NY() && Set_Progress(y); y++)
	{
		#pragma omp parallel for
		for(int x=0; x<Get_NX(); x++)
		{
			double	s	= 0.0;
			double	n	= 0.0;

			if( pInput->is_InGrid(x, y) )
			{
				for(int iy=0, jy=y-ny; iy<Filter.Get_NY(); iy++, jy++)
				{
					for(int ix=0, jx=x-nx; ix<Filter.Get_NX(); ix++, jx++)
					{
						if( pInput->is_InGrid(jx, jy) )
						{
							s	+=      Filter[iy][ix] * pInput->asDouble(jx, jy);
							n	+= fabs(Filter[iy][ix]);
						}
					}
				}
			}

			if( n > 0.0 )
			{
				pResult->Set_Value(x, y, bAbsolute ? s : s / n);
			}
			else
			{
				pResult->Set_NoData(x, y);
			}
		}
	}

	//-----------------------------------------------------
	if( !Parameters("RESULT")->asGrid() || Parameters("RESULT")->asGrid() == pInput )
	{
		pInput->Assign(pResult);

		delete(pResult);

		DataObject_Update(pInput);
	}

	return( true );
}
コード例 #20
0
ファイル: Filter.cpp プロジェクト: am2222/SAGA-GIS
//---------------------------------------------------------
bool CFilter::On_Execute(void)
{
	int			x, y, Mode, Radius, Method;
	double		Mean;
	CSG_Grid	*pResult;

	//-----------------------------------------------------
	m_pInput	= Parameters("INPUT")	->asGrid();
	pResult		= Parameters("RESULT")	->asGrid();
	Radius		= Parameters("RADIUS")	->asInt();
	Mode		= Parameters("MODE")	->asInt();
	Method		= Parameters("METHOD")	->asInt();

	if( !pResult || pResult == m_pInput )
	{
		pResult	= SG_Create_Grid(m_pInput);

		Parameters("RESULT")->Set_Value(m_pInput);
	}

	pResult->Set_NoData_Value(m_pInput->Get_NoData_Value());

	switch( Mode )
	{
	case 0:								break;
	case 1:	m_Radius.Create(Radius);	break;
	}

	//-----------------------------------------------------
	for(y=0; y<Get_NY() && Set_Progress(y); y++)
	{
		for(x=0; x<Get_NX(); x++)
		{
			if( !m_pInput->is_InGrid(x, y) )
			{
				pResult->Set_NoData(x, y);
			}
			else
			{
				switch( Mode )
				{
				case 0:		Mean	= Get_Mean_Square(x, y, Radius);	break;
				case 1:		Mean	= Get_Mean_Circle(x, y);			break;
				}

				switch( Method )
				{
				case 0:	default:	// Smooth...
					pResult->Set_Value(x, y, Mean);
					break;

				case 1:				// Sharpen...
					pResult->Set_Value(x, y, m_pInput->asDouble(x, y) + (m_pInput->asDouble(x, y) - Mean));
					break;

				case 2:				// Edge...
					pResult->Set_Value(x, y, m_pInput->asDouble(x, y) - Mean);
					break;
				}
			}
		}
	}

	//-----------------------------------------------------
	if( m_pInput == Parameters("RESULT")->asGrid() )
	{
		m_pInput->Assign(pResult);

		delete(pResult);
	}

	m_Radius.Destroy();

	return( true );
}
コード例 #21
0
//---------------------------------------------------------
bool CGrid_Cluster_Analysis::On_Execute(void)
{
	if( Parameters("OLDVERSION")->asBool() )	{	return( _On_Execute() );	}

	//-----------------------------------------------------
	bool					bNormalize;
	int						iFeature;
	sLong					iElement, nElements;
	CSG_Cluster_Analysis	Analysis;
	CSG_Grid				*pCluster;
	CSG_Parameter_Grid_List	*pGrids;

	//-----------------------------------------------------
	pGrids		= Parameters("GRIDS"    )->asGridList();
	pCluster	= Parameters("CLUSTER"  )->asGrid();
	bNormalize	= Parameters("NORMALISE")->asBool();

	if( !Analysis.Create(pGrids->Get_Count()) )
	{
		return( false );
	}

	//-----------------------------------------------------
	pCluster->Set_NoData_Value(0.0);

	for(iElement=0, nElements=0; iElement<Get_NCells() && Set_Progress_NCells(iElement); iElement++)
	{
		bool	bNoData		= false;

		for(iFeature=0; iFeature<pGrids->Get_Count() && !bNoData; iFeature++)
		{
			if( pGrids->asGrid(iFeature)->is_NoData(iElement) )
			{
				bNoData	= true;
			}
		}

		if( bNoData || !Analysis.Add_Element() )
		{
			pCluster->Set_Value(iElement, 0);
		}
		else
		{
			pCluster->Set_Value(iElement, 1);

			for(iFeature=0; iFeature<pGrids->Get_Count(); iFeature++)
			{
				double	d	= pGrids->asGrid(iFeature)->asDouble(iElement);

				if( bNormalize )
				{
					d	= (d - pGrids->asGrid(iFeature)->Get_Mean()) / pGrids->asGrid(iFeature)->Get_StdDev();
				}

				Analysis.Set_Feature(nElements, iFeature, d);
			}

			nElements++;
		}
	}

	if( nElements <= 1 )
	{
		return( false );
	}

	//-----------------------------------------------------
	bool	bResult	= Analysis.Execute(
		Parameters("METHOD"  )->asInt(),
		Parameters("NCLUSTER")->asInt(),
		Parameters("MAXITER" )->asInt()
	);

	for(iElement=0, nElements=0; iElement<Get_NCells(); iElement++)
	{
		Set_Progress_NCells(iElement);

		if( !pCluster->is_NoData(iElement) )
		{
			pCluster->Set_Value(iElement, 1 + Analysis.Get_Cluster(nElements++));
		}
	}

	Save_Statistics(pGrids, bNormalize, Analysis);

	Save_LUT(pCluster);

	return( bResult );
}