void Cdodproperror::DisplayFile(CSG_String path)
{

	if (SG_File_Exists(path))
	{
		CSG_File File;
		if (File.Open(path, SG_FILE_R, false))
		{
			CSG_String Line;
			while (! File.is_EOF() && File.Read_Line(Line))
			{
				Message_Add(Line);
			}
			File.Close();
		} 
		else 
		{
			Message_Add(CSG_String("Unable to open " + path + CSG_String(" for reading")));
		}
	}
	else
	{
		Message_Add(CSG_String("File '" + path + CSG_String("' does not exist")));
	}

}
Beispiel #2
0
//---------------------------------------------------------
bool CResection::On_Execute(void)
{

	CSG_PointCloud			*pPoints;									// Input Point Cloud
	CSG_String				fileName;
	CSG_File				*pTabStream = NULL;
	int n					= 6;										// Number of unknowns
	CSG_Vector center(3);
	CSG_Vector target(3);

	double c			= Parameters("F")			->asDouble();		// Focal Length (mm)
	double pixWmm		= Parameters("W")			->asDouble() / 1000;// Pixel Width (mm)
	double ppOffsetX	= Parameters("ppX")			->asDouble();		// Principal Point Offset X (pixels)
	double ppOffsetY	= Parameters("ppY")			->asDouble();		// Principal Point Offset Y (pixels)
	pPoints				= Parameters("POINTS")		->asPointCloud();
	fileName			= Parameters("OUTPUT FILE")	->asString();
	center[0]			= Parameters("Xc")			->asDouble();
	center[1]			= Parameters("Yc")			->asDouble();
	center[2]			= Parameters("Zc")			->asDouble();
	target[0]			= Parameters("Xt")			->asDouble();
	target[1]			= Parameters("Yt")			->asDouble();
	target[2]			= Parameters("Zt")			->asDouble();

	int pointCount = pPoints->Get_Point_Count();

	bool estPPOffsets = false;

	if ( Parameters("EST_OFFSETS")->asBool() ) {

		estPPOffsets = true;
		n = 8;															// Increase number of unknowns by 2
	}

	bool applyDistortions = false;
	CSG_Vector K(3);

	if ( Parameters("GIVE_DISTORTIONS")->asBool() ) {

		applyDistortions = true;
		K[0]			= Parameters("K1")			->asDouble();
		K[1]			= Parameters("K2")			->asDouble();
		K[2]			= Parameters("K3")			->asDouble();

	}

	double dxapp = center [0] - target [0];
	double dyapp = center [1] - target [1];
	double dzapp = center [2] - target [2];
	double h_d	= sqrt (dxapp * dxapp + dyapp * dyapp + dzapp * dzapp);	// Distance between Proj. Center & Target (m)
	double h_dmm = h_d * 1000;											// Convert to mm

	if( fileName.Length() == 0 )
	{
		SG_UI_Msg_Add_Error(_TL("Please provide an output file name!"));
		return( false );
	}

	pTabStream = new CSG_File();

	if( !pTabStream->Open(fileName, SG_FILE_W, false) )
	{
		SG_UI_Msg_Add_Error(CSG_String::Format(_TL("Unable to open output file %s!"), fileName.c_str()));
		delete (pTabStream);
		return (false);
	}


	CSG_Vector rotns = methods::calcRotations(center,target);			// Approx. rotations omega, kappa, alpha

	CSG_String msg = "********* Initial Approximate Values *********";
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);

	msg = SG_T("Rotation Angles:");
	pTabStream->Write(SG_T("\n") + msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);

	msg = SG_T("Omega:\t") + SG_Get_String(rotns[0],6,false);
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);
	msg = SG_T("Kappa:\t") + SG_Get_String(rotns[1],6,false);
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);
	msg = SG_T("Alpha:\t") + SG_Get_String(rotns[2],6,false);
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);

	msg = SG_T("Projection Center:");
	pTabStream->Write(SG_T("\n") + msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);

	msg = SG_T("Xc:\t") + SG_Get_String(center[0],4,false);
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);
	msg = SG_T("Yc:\t") + SG_Get_String(center[1],4,false);
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);
	msg = SG_T("Zc:\t") + SG_Get_String(center[2],4,false);
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);
	
	if (estPPOffsets) {

		msg = SG_T("Principal Point Offsets:");
		pTabStream->Write(SG_T("\n") + msg + SG_T("\n"));
		SG_UI_Msg_Add(msg, true);

		msg = SG_T("ppX:\t") + SG_Get_String(ppOffsetX,5,false);
		pTabStream->Write(msg + SG_T("\n"));
		SG_UI_Msg_Add(msg, true);
		msg = SG_T("ppY:\t") + SG_Get_String(ppOffsetY,5,false);
		pTabStream->Write(msg + SG_T("\n"));
		SG_UI_Msg_Add(msg, true);

	}

	double itrNo = 0;
	CSG_Matrix invN;
	
	while (true) {													// Begin Iterations

		itrNo++;
		
		double omega = rotns[0];
		double kappa = rotns[1];
		double alpha = rotns[2];

		CSG_Matrix R = methods::calcRotnMatrix(rotns);				// Rotation Matrix from approximate values
		CSG_Matrix E(3,3);											// [w1;w2;w3] = E * [dw;dk;da]

		E[0][0] = -1;
		E[0][1] = E[1][0] = E[2][0] = 0;
		E[0][2] = sin(kappa);
		E[1][1] = -cos(omega);
		E[1][2] = -sin(omega) * cos(kappa);
		E[2][1] = sin(omega);
		E[2][2] = -cos(omega) * cos(kappa);

		CSG_Matrix N(n,n);											// Transpose(Design Matrix) * I * Design Matrix
		CSG_Vector ATL(n);											// Transpose(Design Matrix) * I * Shortened obs. vector

		double SS = 0;
		double sigma_naught = 0;
		
		for (int i = 0; i < pointCount; i++) {
			
			CSG_Vector pqs(3);										// Approx. pi, qi, si

			for (int j = 0; j < 3; j++) {
				pqs[j] = R[j][0] * (pPoints->Get_X(i) - center[0]) +
						 R[j][1] * (pPoints->Get_Y(i) - center[1]) +
						 R[j][2] * (pPoints->Get_Z(i) - center[2]);
			}

			double p_i = pqs[0];
			double q_i = pqs[1];
			double s_i = pqs[2];

			double dR =  0;
			
			// Undistorted
			double x_u = c * p_i / q_i;
			double y_u = c * s_i / q_i;
			
			double c_hat = c;
			
			if (applyDistortions) {
				double r2 = x_u * x_u + y_u * y_u;
				dR =  K[0] * r2 + K[1] * r2 * r2 + K[2] * r2 * r2 * r2;
				c_hat = c * (1 - dR);
			}

			// Approx. image coordinates (with distortions)
			double x_i = (1 - dR) * x_u + ppOffsetX * pixWmm;
			double z_i = (1 - dR) * y_u + ppOffsetY * pixWmm;

			// Shortened obervation vector: dxi & dzi
			double dx_i = pPoints->Get_Attribute(i,0) * pixWmm - x_i;
			double dz_i = pPoints->Get_Attribute(i,1) * pixWmm - z_i;
			SS += pow(dx_i,2) + pow(dz_i,2);

			/*
				x_i, z_i in [mm]
				p_i,q_i,s_i in [m]
				h_d in [m]
				c, c_hat in [mm]
				h_dmm in [mm]
			*/
			CSG_Matrix L(3,2);										// CSG_Matrix takes columns first and rows second
			CSG_Matrix V(3,3);
			CSG_Matrix LR(3,2);
			CSG_Matrix LVE(3,2);

			L[0][0] = L[1][2] = c_hat / (1000 * q_i);
			L[0][2] = L[1][0] = 0;
			L[0][1] = -x_u * (1 - dR) / (1000 * q_i);
			L[1][1] = -y_u * (1 - dR) / (1000 * q_i);

			V[0][0] = V[1][1] = V[2][2] = 0;
			V[0][1] =  s_i / h_d;
			V[0][2] = -q_i / h_d;
			V[1][0] = -s_i / h_d;
			V[1][2] =  p_i / h_d;
			V[2][0] =  q_i / h_d;
			V[2][1] = -p_i / h_d;

			LVE = ( L * V ) * E;
			LR = L * R;

			// Design Matrix (J)
			CSG_Matrix design(n,2);

			for(int j = 0; j < 2; j++) {
				for(int k = 0; k < 3; k++) {
					design[j][k] = LVE[j][k];
					design[j][k+3] = -LR[j][k];
				}
			}

			if ( estPPOffsets ) {
				design[0][6] = design[1][7] = 1.0;
			}

			// Build Normal Matrix
			for(int j = 0; j < n; j++) {
				for(int k = 0; k < n; k++) {
					N[j][k] += (design[0][j] * design[0][k] + design[1][j] * design[1][k]);
				}
			}

			// Build Tranpose (J) * I * (Shortened obs. vector)
			for (int m=0; m < n; m++) {
				ATL[m] += design[0][m] * dx_i + design[1][m] * dz_i;
			}

			L.Destroy();
			V.Destroy();
			LR.Destroy();
			LVE.Destroy();
			pqs.Destroy();
			design.Destroy();

		} // end looping over observations

		// Eigen values and Eigen Vectors
		CSG_Vector eigenVals(n);
		CSG_Matrix eigenVecs(n,n);
		SG_Matrix_Eigen_Reduction(N, eigenVecs, eigenVals, true);

		// One of the Eigen Values is 0
		if (std::any_of(eigenVals.cbegin(),
		                eigenVals.cend(),
		                [] (double i) { return i == 0; })) {
			msg = "The Normal Matrix has a rank defect. Please measure more points.";
			pTabStream->Write(msg + SG_T("\n"));
			SG_UI_Msg_Add(msg, true);
			break;
		}

		double mx = *std::max_element(eigenVals.cbegin(), eigenVals.cend());
		double mn = *std::min_element(eigenVals.cbegin(), eigenVals.cend());

		// Ratio of Smallest to the Biggest Eigen value is too small
		if ((mn / mx) < pow(10,-12.0)) {
			msg = SG_T("Condition of the Matrix of Normal Equations:\t") + CSG_String::Format(SG_T("  %13.5e"), mn/mx);
			pTabStream->Write(msg + SG_T("\n"));
			SG_UI_Msg_Add(msg, true);
			msg = "The Normal Matrix is weakly conditioned. Please measure more points.";
			pTabStream->Write(msg + SG_T("\n"));
			SG_UI_Msg_Add(msg, true);
			break;
		}

		// Calculate the adjustments
		double absMax = 0;
		invN = N.Get_Inverse();
		CSG_Vector est_param_incs = invN * ATL;

		for (int i = 0; i < n; i++) {
			if (abs(est_param_incs[i]) > absMax) {
				absMax = abs(est_param_incs[i]);
			}
		}

		if (absMax < thresh) {
			msg = "Solution has converged.";
			pTabStream->Write(SG_T("\n") + msg + SG_T("\n"));
			SG_UI_Msg_Add(msg, true);
			break;
		}

		for (int a = 0; a < 3; a++) {
			rotns[a] += est_param_incs[a] / h_dmm;								// New Approx. rotations omega, kappa, alpha
			center[a] += est_param_incs[a+3] / 1000;							// New Approx. Projection Center
		}

		if ( estPPOffsets ) {
			ppOffsetX += (est_param_incs[6] / pixWmm);							// New Approx. Principal Point
			ppOffsetY += (est_param_incs[7] / pixWmm);
		}

		sigma_naught = sqrt(SS / (2 * pointCount - n));

		// Writing To Output File & SAGA Console
		msg = "********* Iteration: " + SG_Get_String(itrNo,0,false) + " *********";
		pTabStream->Write(SG_T("\n") + msg + SG_T("\n"));
		SG_UI_Msg_Add(msg, true);

		msg = "Sum of Squared Residuals:\t" + SG_Get_String(SS,5,false);
		pTabStream->Write(SG_T("\n") + msg + SG_T("\n"));
		SG_UI_Msg_Add(msg, true);
		
		msg = "Sigma Naught:\t" + SG_Get_String(sigma_naught,5,false);
		pTabStream->Write(msg + SG_T("\n"));
		SG_UI_Msg_Add(msg, true);
		
		msg = SG_T("Condition of the Matrix of Normal Equations:\t") + CSG_String::Format(SG_T("  %13.5e"), mn/mx);
		pTabStream->Write(msg + SG_T("\n"));
		SG_UI_Msg_Add(msg, true);
		
		R.Destroy();
		E.Destroy();
		N.Destroy();
		ATL.Destroy();
		invN.Destroy();
		eigenVals.Destroy();
		eigenVecs.Destroy();
		est_param_incs.Destroy();

	} // end of iterations

	msg = "********* Final Estimated Parameters *********";
	pTabStream->Write(SG_T("\n") + msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);

	msg = SG_T("Rotation Angles:");
	pTabStream->Write(SG_T("\n") + msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);

	msg = SG_T("Omega:\t") + SG_Get_String(rotns[0],6,false);
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);
	msg = SG_T("Kappa:\t") + SG_Get_String(rotns[1],6,false);
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);
	msg = SG_T("Alpha:\t") + SG_Get_String(rotns[2],6,false);
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);

	msg = SG_T("Projection Center:");
	pTabStream->Write(SG_T("\n") + msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);

	msg = SG_T("Xc:\t") + SG_Get_String(center[0],4,false);
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);
	msg = SG_T("Yc:\t") + SG_Get_String(center[1],4,false);
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);
	msg = SG_T("Zc:\t") + SG_Get_String(center[2],4,false);
	pTabStream->Write(msg + SG_T("\n"));
	SG_UI_Msg_Add(msg, true);

	if (estPPOffsets) {

		msg = SG_T("Principal Point Offsets:");
		pTabStream->Write(SG_T("\n") + msg + SG_T("\n"));
		SG_UI_Msg_Add(msg, true);

		msg = SG_T("ppX:\t") + SG_Get_String(ppOffsetX,5,false);
		pTabStream->Write(msg + SG_T("\n"));
		SG_UI_Msg_Add(msg, true);
		msg = SG_T("ppY:\t") + SG_Get_String(ppOffsetY,5,false);
		pTabStream->Write(msg + SG_T("\n"));
		SG_UI_Msg_Add(msg, true);

	}


	K.Destroy();
	rotns.Destroy();
	center.Destroy();
	target.Destroy();

	pTabStream->Close();
	
	return true;
}
//---------------------------------------------------------
bool CPointcloud_To_Text_File::On_Execute(void)
{
	CSG_PointCloud			*pPoints;
	CSG_String				fileName;
	CSG_File				*pTabStream = NULL;
	bool					bWriteHeader;
	CSG_String				fieldSep;

	CSG_Parameters			P;
	CSG_Parameter			*pNode;
	CSG_String				s;
	std::vector<int>		vCol, vPrecision;


	//-----------------------------------------------------
	pPoints			= Parameters("POINTS")		->asPointCloud();
	fileName		= Parameters("FILE")		->asString();
	bWriteHeader	= Parameters("WRITE_HEADER")->asBool();


	switch (Parameters("FIELDSEP")->asInt())
    {
	default:
    case 0:		fieldSep = "\t";	break;
    case 1:		fieldSep = " ";		break;
    case 2:		fieldSep = ",";		break;
    }


	if( fileName.Length() == 0 )
	{
		SG_UI_Msg_Add_Error(_TL("Please provide an output file name!"));
		return( false );
	}


	if (SG_UI_Get_Window_Main())
	{
		P.Set_Name(_TL("Check the fields to export"));

		for(int iField=0; iField<pPoints->Get_Field_Count(); iField++)
		{
			s.Printf(SG_T("NODE_%03d") , iField + 1);
			pNode	= P.Add_Node(NULL, s, CSG_String::Format(_TL("%d. %s"), iField + 1, _TL("Field")), _TL(""));

			s.Printf(SG_T("FIELD_%03d"), iField);
			P.Add_Value(pNode, s, CSG_String::Format(SG_T("%s"), pPoints->Get_Field_Name(iField)), _TL(""), PARAMETER_TYPE_Bool, false);

			s.Printf(SG_T("PRECISION_%03d"), iField);
			P.Add_Value(pNode, s, _TL("Decimal Precision"), _TL(""), PARAMETER_TYPE_Int, 2.0, 0.0, true);
		}


		//-----------------------------------------------------
		if( Dlg_Parameters(&P, _TL("Field Properties")) )
		{
			vCol.clear();
			vPrecision.clear();

			for(int iField=0; iField<pPoints->Get_Field_Count(); iField++)
			{
				if( P(CSG_String::Format(SG_T("FIELD_%03d" ), iField).c_str())->asBool() )
				{
					vCol.push_back(iField);
					vPrecision.push_back(P(CSG_String::Format(SG_T("PRECISION_%03d" ), iField).c_str())->asInt());
				}
			}
		}
		else
			return( false );
	}
	else // CMD
	{
		CSG_String		sFields, sPrecision;
		CSG_String		token;
		int				iValue;


		sFields		= Parameters("FIELDS")->asString();
		sPrecision	= Parameters("PRECISIONS")->asString();

		CSG_String_Tokenizer   tkz_fields(sFields, ";", SG_TOKEN_STRTOK);

		while( tkz_fields.Has_More_Tokens() )
		{
			token	= tkz_fields.Get_Next_Token();

			if( token.Length() == 0 )
				break;

			if( !token.asInt(iValue) )
			{
				SG_UI_Msg_Add_Error(_TL("Error parsing attribute fields: can't convert to number"));
				return( false );
			}

			iValue	-= 1;

			if( iValue < 0 || iValue > pPoints->Get_Field_Count() - 1 )
			{
				SG_UI_Msg_Add_Error(_TL("Error parsing attribute fields: field index out of range"));
				return( false );
			}
			else
				vCol.push_back(iValue);
		}

		CSG_String_Tokenizer   tkz_precisons(sPrecision.c_str(), ";", SG_TOKEN_STRTOK);

		while( tkz_precisons.Has_More_Tokens() )
		{
			token	= tkz_precisons.Get_Next_Token();

			if( token.Length() == 0 )
				break;

			if( !token.asInt(iValue) )
			{
				SG_UI_Msg_Add_Error(_TL("Error parsing attribute fields: can't convert to number"));
				return( false );
			}

			vPrecision.push_back(iValue);
		}
	}


	if( vCol.size() == 0 )
	{
		SG_UI_Msg_Add_Error(_TL("Please provide at least one column to export!"));
		return( false );
	}

	if( vCol.size() != vPrecision.size() )
	{
		SG_UI_Msg_Add_Error(_TL("Number of fields and precisions must be equal!"));
		return( false );
	}

	//-----------------------------------------------------
	pTabStream = new CSG_File();

	if( !pTabStream->Open(fileName, SG_FILE_W, false) )
	{
		SG_UI_Msg_Add_Error(CSG_String::Format(_TL("Unable to open output file %s!"), fileName.c_str()));
		delete (pTabStream);
		return (false);
	}


	if( bWriteHeader )
	{
	    CSG_String  sHeader;

		for(size_t i=0; i<vCol.size(); i++)
		{
		    sHeader += CSG_String::Format(SG_T("%s"), pPoints->Get_Field_Name(vCol.at(i)));

		    if( i < vCol.size()-1 )
                sHeader += fieldSep.c_str();
		}

		sHeader += SG_T("\n");

		pTabStream->Write(sHeader);
	}


	for(int iPoint=0; iPoint<pPoints->Get_Count() && Set_Progress(iPoint, pPoints->Get_Count()); iPoint++)
	{
		CSG_String	sLine;

		for(size_t i=0; i<vCol.size(); i++)
		{
			switch (pPoints->Get_Field_Type(vCol.at(i)))
			{
			case SG_DATATYPE_Double:
			case SG_DATATYPE_Float:
				sLine += SG_Get_String(pPoints->Get_Value(iPoint, vCol.at(i)), vPrecision.at(i), false);
				break;
			default:
				sLine += CSG_String::Format(SG_T("%d"), (int)pPoints->Get_Value(iPoint, vCol.at(i)));
				break;
			}

            if( i < vCol.size()-1 )
                sLine += fieldSep.c_str();
		}

		sLine += SG_T("\n");

		pTabStream->Write(sLine);
	}


	pTabStream->Close();
	delete (pTabStream);

	return( true );
}
bool CGridNet::On_Execute(void)
{
	TSG_Data_Type Type;
	CSG_String InputBasename = CSG_String("input");
	CSG_String OutputBasename = CSG_String("output");
	CSG_String FLOWD8_INPUT_FileName, FLOWD8_INPUT_FilePath;
	CSG_String LONGEST_OUTPUT_FileName, LONGEST_OUTPUT_FilePath;
	CSG_String TOTAL_LENGTH_OUTPUT_FileName, TOTAL_LENGTH_OUTPUT_FilePath;
	CSG_String ORDER_OUTPUT_FileName, ORDER_OUTPUT_FilePath;
	CSG_String OUTLET_INPUT_FileName, OUTLET_INPUT_FilePath, MASK_INPUT_FileName, MASK_INPUT_FilePath;
	CSG_String GDALDriver, sCmd, TempDirPath, TauDEMBinDir, BinaryName, BinaryPath, LogFile;
	CSG_String LONGESTName, LENGTHName, ORDERName;
	CSG_Projection Projection;
	CSG_GDAL_DataSet DataSet;
	CSG_Grid *FLOWD8_INPUT_Grid, *LONGEST_OUTPUT_Grid, *TOTAL_LENGTH_OUTPUT_Grid, *ORDER_OUTPUT_Grid, *MASK_INPUT_Grid;
	CSG_Shapes *OUTLET_INPUT_Grid;
	int Threshold, nproc;

	FLOWD8_INPUT_Grid = Parameters("FLOWD8_INPUT")->asGrid();
	LONGEST_OUTPUT_Grid = Parameters("LONGEST_OUTPUT")->asGrid();
	TOTAL_LENGTH_OUTPUT_Grid = Parameters("TOTAL_LENGTH_OUTPUT")->asGrid();
	ORDER_OUTPUT_Grid = Parameters("ORDER_OUTPUT")->asGrid();
	MASK_INPUT_Grid = Parameters("MASK_INPUT")->asGrid();
	OUTLET_INPUT_Grid = Parameters("OUTLET_INPUT")->asShapes();
	Threshold = Parameters("THRESHOLD")->asInt();
	nproc = Parameters("NPROC")->asInt();

	GDALDriver = CSG_String("GTiff");
	Get_Projection(Projection);
	Type = FLOWD8_INPUT_Grid->Get_Type();

	//TempDirPath = SG_File_Get_Path_Absolute(CSG_String("taudem_tmp"));
	TempDirPath = Parameters("TEMP_DIR")->asFilePath()->asString();

	FLOWD8_INPUT_FileName = InputBasename + CSG_String("p");
	FLOWD8_INPUT_FilePath = SG_File_Make_Path(TempDirPath, FLOWD8_INPUT_FileName, CSG_String("tif")); 

	LONGEST_OUTPUT_FileName = OutputBasename + CSG_String("plen");
	LONGEST_OUTPUT_FilePath = SG_File_Make_Path(TempDirPath, LONGEST_OUTPUT_FileName, CSG_String("tif"));

	TOTAL_LENGTH_OUTPUT_FileName = OutputBasename + CSG_String("tlen");
	TOTAL_LENGTH_OUTPUT_FilePath = SG_File_Make_Path(TempDirPath, TOTAL_LENGTH_OUTPUT_FileName, CSG_String("tif"));

	ORDER_OUTPUT_FileName = OutputBasename + CSG_String("gord");
	ORDER_OUTPUT_FilePath = SG_File_Make_Path(TempDirPath, ORDER_OUTPUT_FileName, CSG_String("tif"));

	OUTLET_INPUT_FileName = InputBasename + CSG_String("o");
	OUTLET_INPUT_FilePath = SG_File_Make_Path(TempDirPath, OUTLET_INPUT_FileName, CSG_String("shp")); 

	MASK_INPUT_FileName = InputBasename + CSG_String("wg");
	MASK_INPUT_FilePath = SG_File_Make_Path(TempDirPath, MASK_INPUT_FileName, CSG_String("tif")); 

	LogFile = SG_File_Make_Path(TempDirPath, CSG_String("taudem_log.txt"));
	LogFile = SG_File_Get_Path_Absolute(LogFile);

	TauDEMBinDir = SG_File_Make_Path(CSG_String("bin"), CSG_String("TauDEM"));
	TauDEMBinDir = SG_File_Get_Path_Absolute(TauDEMBinDir);

	// optional flags
	CSG_String OptionalFlags = CSG_String("");
	if (OUTLET_INPUT_Grid != NULL)
	{
		OptionalFlags = CSG_String::Format(SG_T(" -o \"%s\""), OUTLET_INPUT_FilePath.c_str());
	}
	if (MASK_INPUT_Grid != NULL)
	{
		OptionalFlags = OptionalFlags + CSG_String::Format(SG_T(" -mask \"%s\" -thresh %d"), MASK_INPUT_FilePath.c_str(), Threshold);
	}
		
	BinaryName = CSG_String("GridNet"); 
	BinaryPath = SG_File_Make_Path(TauDEMBinDir, BinaryName);
	sCmd = CSG_String::Format(SG_T("\"mpiexec -n %d \"%s\" -p \"%s\" -plen \"%s\" -tlen \"%s\" -gord \"%s\" %s > \"%s\" 2>&1\""), nproc, BinaryPath.c_str(), FLOWD8_INPUT_FilePath.c_str(), LONGEST_OUTPUT_FilePath.c_str(), TOTAL_LENGTH_OUTPUT_FilePath.c_str(), ORDER_OUTPUT_FilePath.c_str(), OptionalFlags.c_str(), LogFile.c_str());
	LONGESTName = CSG_String("D8 LongestPath");
	LENGTHName = CSG_String("D8 TotalLength");
	ORDERName = CSG_String("D8 GridOrder");

	// make sure temp dir exists
	if (!SG_Dir_Exists(TempDirPath))
	{
		if (!SG_Dir_Create(TempDirPath))
		{
			Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to create temp directory"), TempDirPath.c_str()));
		}
	}

	// Delete old input file if exists
	if (SG_File_Exists(FLOWD8_INPUT_FilePath))
	{
		if (!SG_File_Delete(FLOWD8_INPUT_FilePath))
		{
			Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to delete previous input file: "), FLOWD8_INPUT_FilePath.c_str()));
			return( false );
		}
	}

	if (OUTLET_INPUT_Grid != NULL)
	{
		// Delete old input file if exists
		if (SG_File_Exists(OUTLET_INPUT_FilePath))
		{
			if (!SG_File_Delete(OUTLET_INPUT_FilePath))
			{
				Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to delete previous input file: "), OUTLET_INPUT_FilePath.c_str()));
				return( false );
			}
		}
	}

	if (MASK_INPUT_Grid != NULL)
	{
		// Delete old input file if exists
		if (SG_File_Exists(MASK_INPUT_FilePath))
		{
			if (!SG_File_Delete(MASK_INPUT_FilePath))
			{
				Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to delete previous input file: "), MASK_INPUT_FilePath.c_str()));
				return( false );
			}
		}
	}

	// Delete old output files
	if (SG_File_Exists(LONGEST_OUTPUT_FilePath))
	{
		if (!SG_File_Delete(LONGEST_OUTPUT_FilePath))
		{
			Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to delete previous output file: "), LONGEST_OUTPUT_FilePath.c_str()));
			return( false );
		}
	}

	// Delete old output files
	if (SG_File_Exists(TOTAL_LENGTH_OUTPUT_FilePath))
	{
		if (!SG_File_Delete(TOTAL_LENGTH_OUTPUT_FilePath))
		{
			Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to delete previous output file: "), TOTAL_LENGTH_OUTPUT_FilePath.c_str()));
			return( false );
		}
	}

	// Delete old output files
	if (SG_File_Exists(ORDER_OUTPUT_FilePath))
	{
		if (!SG_File_Delete(ORDER_OUTPUT_FilePath))
		{
			Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to delete previous output file: "), ORDER_OUTPUT_FilePath.c_str()));
			return( false );
		}
	}

	// save input file
	if( !DataSet.Open_Write(FLOWD8_INPUT_FilePath, GDALDriver, CSG_String(""), Type, 1, *Get_System(), Projection) )
	{
		Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to open file for writing: "), FLOWD8_INPUT_FilePath.c_str()));
		return( false );
	}
	DataSet.Write(0, FLOWD8_INPUT_Grid);
	
	if( !DataSet.Close() )
	{
		Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to close file after writing: "), FLOWD8_INPUT_FilePath.c_str()));
		return( false );
	}

	// save mask grid
	if (MASK_INPUT_Grid != NULL)
	{
		if( !DataSet.Open_Write(MASK_INPUT_FilePath, GDALDriver, CSG_String(""), Type, 1, *Get_System(), Projection) )
		{
			Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to open file for writing: "), MASK_INPUT_FilePath.c_str()));
			return( false );
		}
		DataSet.Write(0, MASK_INPUT_Grid);
	
		if( !DataSet.Close() )
		{
			Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to close file after writing: "), MASK_INPUT_FilePath.c_str()));
			return( false );
		}
	}

	// save outlet shapefile
	if (OUTLET_INPUT_Grid != NULL)
	{
		CSG_OGR_DataSource	DataSource;
		CSG_String OGRDriver = CSG_String("ESRI Shapefile");
		if( !DataSource.Create(OUTLET_INPUT_FilePath, OGRDriver) )
		{
			Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to open file for writing: "), OUTLET_INPUT_FilePath.c_str()));
			return( false );
		}
		DataSource.Write(OUTLET_INPUT_Grid, OGRDriver);
	}


	// Run TauDEM GridNet

	Message_Add(CSG_String("Executing ") + sCmd);

	// run process
	if (system(sCmd.b_str()) != 0)
	{
		Error_Set(CSG_String::Format(SG_T("Error executing '%s' see Execution log for details"), BinaryName.c_str()));
		// read log output
		CSG_File File;
		if (File.Open(LogFile, SG_FILE_R, false))
		{
			CSG_String Line;
			while (! File.is_EOF() && File.Read_Line(Line))
			{
				Message_Add(Line);
			}
			File.Close();
		} else 
		{
			Message_Add(CSG_String("Unable to open " + LogFile + CSG_String(" for reading")));
		}

		return( false );
	}

	// Open new output tif file
	if( !DataSet.Open_Read(LONGEST_OUTPUT_FilePath))
	{
		Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to open generated file: "), LONGEST_OUTPUT_FilePath.c_str()));
		return( false );
	} 
	else 
	{
		LONGEST_OUTPUT_Grid->Assign(DataSet.Read(0));
		LONGEST_OUTPUT_Grid->Set_Name(LONGESTName);
		Parameters("LONGEST_OUTPUT")->Set_Value(LONGEST_OUTPUT_Grid);

		CSG_Colors colors;
		DataObject_Get_Colors(FLOWD8_INPUT_Grid, colors);
		DataObject_Set_Colors(LONGEST_OUTPUT_Grid, colors);
		DataObject_Update(LONGEST_OUTPUT_Grid, false);		
	}

	// Open new output tif file
	if( !DataSet.Open_Read(TOTAL_LENGTH_OUTPUT_FilePath))
	{
		Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to open generated file: "), TOTAL_LENGTH_OUTPUT_FilePath.c_str()));
		return( false );
	} 
	else 
	{
		TOTAL_LENGTH_OUTPUT_Grid->Assign(DataSet.Read(0));
		TOTAL_LENGTH_OUTPUT_Grid->Set_Name(LENGTHName);
		Parameters("TOTAL_LENGTH_OUTPUT")->Set_Value(TOTAL_LENGTH_OUTPUT_Grid);

		CSG_Colors colors;
		DataObject_Get_Colors(FLOWD8_INPUT_Grid, colors);
		DataObject_Set_Colors(TOTAL_LENGTH_OUTPUT_Grid, colors);
		DataObject_Update(TOTAL_LENGTH_OUTPUT_Grid, false);		
	}

	// Open new output tif
	if( !DataSet.Open_Read(ORDER_OUTPUT_FilePath))
	{
		Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to open generated file: "), ORDER_OUTPUT_FilePath.c_str()));
		return( false );
	} 
	else 
	{
		ORDER_OUTPUT_Grid->Assign(DataSet.Read(0));
		ORDER_OUTPUT_Grid->Set_Name(ORDERName);
		Parameters("ORDER_OUTPUT")->Set_Value(ORDER_OUTPUT_Grid);

		CSG_Colors colors;
		DataObject_Get_Colors(FLOWD8_INPUT_Grid, colors);
		DataObject_Set_Colors(ORDER_OUTPUT_Grid, colors);
		DataObject_Update(ORDER_OUTPUT_Grid, false);		
	}

	return( true );
}
bool CStreamNet::On_Execute(void)
{
	// Inputs and Output Strings
	CSG_String InputBasename = CSG_String("input");
	CSG_String OutputBasename = CSG_String("output");
	CSG_String FEL_INPUT_FileName, FEL_INPUT_FilePath;
	CSG_String FLOWD8_INPUT_FileName, FLOWD8_INPUT_FilePath;
	CSG_String AREAD8_INPUT_FileName, AREAD8_INPUT_FilePath;
	CSG_String SRC_INPUT_FileName, SRC_INPUT_FilePath;
	CSG_String ORD_OUTPUT_FileName, ORD_OUTPUT_FilePath, ORD_OUTPUT_Name;
	CSG_String W_OUTPUT_FileName, W_OUTPUT_FilePath, W_OUTPUT_Name;
	CSG_String NET_OUTPUT_FileName, NET_OUTPUT_FilePath, NET_OUTPUT_Name;
	CSG_String TREE_OUTPUT_FileName, TREE_OUTPUT_FilePath, TREE_OUTPUT_Name;
	CSG_String COORD_OUTPUT_FileName, COORD_OUTPUT_FilePath, COORD_OUTPUT_Name;
	CSG_String OUTLET_INPUT_FileName, OUTLET_INPUT_FilePath;

	// Data Objects
	CSG_Grid *FEL_INPUT_Grid, *FLOWD8_INPUT_Grid, *SRC_INPUT_Grid, *AREAD8_INPUT_Grid, *ORD_OUTPUT_Grid, *W_OUTPUT_Grid;
	CSG_Shapes *OUTLET_INPUT_Shapes, *NET_OUTPUT_Shapes;
	CSG_Table *TREE_OUTPUT_Table, *COORD_OUTPUT_Table;

	// Misc
	TSG_Data_Type Type;
	CSG_String GDALDriver, sCmd, TempDirPath, TauDEMBinDir, BinaryName, BinaryPath, LogFile;
	CSG_Projection Projection;
	CSG_GDAL_DataSet DataSet;
	CSG_OGR_DataSource	OGRDataSource;
	CSG_String OGRDriver = CSG_String("ESRI Shapefile");
	bool sw;
	int nproc;
	
	// Grab inputs
	FEL_INPUT_Grid = Parameters("FEL_INPUT")->asGrid();
	FLOWD8_INPUT_Grid = Parameters("FLOWD8_INPUT")->asGrid();
	SRC_INPUT_Grid = Parameters("SRC_INPUT")->asGrid();
	AREAD8_INPUT_Grid = Parameters("AREAD8_INPUT")->asGrid();
	ORD_OUTPUT_Grid = Parameters("ORD_OUTPUT")->asGrid();
	W_OUTPUT_Grid = Parameters("W_OUTPUT")->asGrid();
	nproc = Parameters("NPROC")->asInt();

	OUTLET_INPUT_Shapes = Parameters("OUTLET_INPUT")->asShapes();
	NET_OUTPUT_Shapes = Parameters("NET_OUTPUT")->asShapes();

	TREE_OUTPUT_Table = Parameters("TREE_OUTPUT")->asTable();
	COORD_OUTPUT_Table = Parameters("COORD_OUTPUT")->asTable();

	sw = Parameters("SW")->asBool();

	GDALDriver = CSG_String("GTiff");
	Get_Projection(Projection);
	Type = FEL_INPUT_Grid->Get_Type();
	
	//TempDirPath = SG_File_Get_Path_Absolute(CSG_String("taudem_tmp"));
	TempDirPath = Parameters("TEMP_DIR")->asFilePath()->asString();

	FEL_INPUT_FileName = InputBasename + CSG_String("fel");
	FEL_INPUT_FilePath = SG_File_Make_Path(TempDirPath, FEL_INPUT_FileName, CSG_String("tif")); 

	FLOWD8_INPUT_FileName = InputBasename + CSG_String("p");
	FLOWD8_INPUT_FilePath = SG_File_Make_Path(TempDirPath, FLOWD8_INPUT_FileName, CSG_String("tif"));

	SRC_INPUT_FileName = InputBasename + CSG_String("src");
	SRC_INPUT_FilePath = SG_File_Make_Path(TempDirPath, SRC_INPUT_FileName, CSG_String("tif"));

	AREAD8_INPUT_FileName = InputBasename + CSG_String("ad8");
	AREAD8_INPUT_FilePath = SG_File_Make_Path(TempDirPath, AREAD8_INPUT_FileName, CSG_String("tif"));

	ORD_OUTPUT_FileName = OutputBasename + CSG_String("ord");
	ORD_OUTPUT_FilePath = SG_File_Make_Path(TempDirPath, ORD_OUTPUT_FileName, CSG_String("tif"));
	ORD_OUTPUT_Name = CSG_String("NetworkOrder");

	W_OUTPUT_FileName = OutputBasename + CSG_String("w");
	W_OUTPUT_FilePath = SG_File_Make_Path(TempDirPath, W_OUTPUT_FileName, CSG_String("tif"));
	W_OUTPUT_Name = CSG_String("WatershedIDs");

	OUTLET_INPUT_FileName = InputBasename + CSG_String("o");
	OUTLET_INPUT_FilePath = SG_File_Make_Path(TempDirPath, OUTLET_INPUT_FileName, CSG_String("shp"));

	NET_OUTPUT_FileName = OutputBasename + CSG_String("net");
	NET_OUTPUT_FilePath = SG_File_Make_Path(TempDirPath, NET_OUTPUT_FileName, CSG_String("shp"));
	NET_OUTPUT_Name = CSG_String("Channel Network");

	TREE_OUTPUT_FileName = OutputBasename + CSG_String("tree");
	TREE_OUTPUT_FilePath = SG_File_Make_Path(TempDirPath, TREE_OUTPUT_FileName, CSG_String("dat"));
	TREE_OUTPUT_Name = CSG_String("Channel Network Tree");

	COORD_OUTPUT_FileName = OutputBasename + CSG_String("coord");
	COORD_OUTPUT_FilePath = SG_File_Make_Path(TempDirPath, COORD_OUTPUT_FileName, CSG_String("dat"));
	COORD_OUTPUT_Name = CSG_String("Channel Network Coords");

	LogFile = SG_File_Make_Path(TempDirPath, CSG_String("taudem_log.txt"));
	LogFile = SG_File_Get_Path_Absolute(LogFile);

	TauDEMBinDir = SG_File_Make_Path(CSG_String("bin"), CSG_String("TauDEM"));
	TauDEMBinDir = SG_File_Get_Path_Absolute(TauDEMBinDir);

	// options
	CSG_String OptionalFlags = CSG_String("");
	if (OUTLET_INPUT_Shapes != NULL)
	{
		OptionalFlags = CSG_String::Format(SG_T("-o \"%s\" "), OUTLET_INPUT_FilePath.c_str());
	}
	if (sw)
	{
		OptionalFlags = OptionalFlags + CSG_String::Format(SG_T("-sw"));
	}

	// exec commnad
	BinaryName = CSG_String("StreamNet"); // D8
	BinaryPath = SG_File_Make_Path(TauDEMBinDir, BinaryName);
	sCmd = CSG_String::Format(SG_T("\"mpiexec -n %d \"%s\" -fel \"%s\" -p \"%s\" -ad8 \"%s\" -src \"%s\" -ord \"%s\" -tree \"%s\" -coord \"%s\" -net \"%s\" -w \"%s\" %s >\"%s\" 2>&1\""), nproc, BinaryPath.c_str(), FEL_INPUT_FilePath.c_str(), FLOWD8_INPUT_FilePath.c_str(), AREAD8_INPUT_FilePath.c_str(), SRC_INPUT_FilePath.c_str(), ORD_OUTPUT_FilePath.c_str(), TREE_OUTPUT_FilePath.c_str(), COORD_OUTPUT_FilePath.c_str(), NET_OUTPUT_FilePath.c_str(), W_OUTPUT_FilePath.c_str(), OptionalFlags.c_str(), LogFile.c_str());

	// make sure temp dir exists
	if (!SG_Dir_Exists(TempDirPath))
	{
		if (!SG_Dir_Create(TempDirPath))
		{
			Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to create temp directory"), TempDirPath.c_str()));
		}
	}

	CSG_String FilePaths [10] = {FEL_INPUT_FilePath, FLOWD8_INPUT_FilePath, SRC_INPUT_FilePath, AREAD8_INPUT_FilePath, ORD_OUTPUT_FilePath, W_OUTPUT_FilePath, OUTLET_INPUT_FilePath, NET_OUTPUT_FilePath, TREE_OUTPUT_FilePath, COORD_OUTPUT_FilePath};
	for (int i = 0; i < 10; i++)
	{
		CSG_String FilePath = FilePaths[i];
		// Delete old file if exists
		if (SG_File_Exists(FilePath))
		{
			if (!SG_File_Delete(FilePath))
			{
				Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to delete existing file: "), FilePath.c_str()));
				return( false );
			}
		}
	}

	// SAVE TIFFS
	CSG_String TIFF_INPUT_FilePaths [4] = {FEL_INPUT_FilePath, FLOWD8_INPUT_FilePath, SRC_INPUT_FilePath, AREAD8_INPUT_FilePath};
	CSG_Grid* TIFF_INPUT_Grids [4] = {FEL_INPUT_Grid, FLOWD8_INPUT_Grid, SRC_INPUT_Grid, AREAD8_INPUT_Grid};
	for (int i = 0; i < 4; i++)
	{
		CSG_String FilePath = TIFF_INPUT_FilePaths[i];
		CSG_Grid* Grid = TIFF_INPUT_Grids[i];

		if( !DataSet.Open_Write(FilePath, GDALDriver, CSG_String(""), Type, 1, *Get_System(), Projection) )
		{
			Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to open file for writing: "), FilePath.c_str()));
			return( false );
		}
		DataSet.Write(0, Grid);
		if( !DataSet.Close() )
		{
			Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to close file after writing: "), FilePath.c_str()));
			return( false );
		}
	}

	if (OUTLET_INPUT_Shapes != NULL)
	{
		// save outlet shapefile
		CSG_String OGRDriver = CSG_String("ESRI Shapefile");
		if( !OGRDataSource.Create(OUTLET_INPUT_FilePath, OGRDriver) )
		{
			Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to open file for writing: "), OUTLET_INPUT_FilePath.c_str()));
			return( false );
		}
		OGRDataSource.Write(OUTLET_INPUT_Shapes, OGRDriver);
		OGRDataSource.Destroy();
	}
	

	// Run TauDEM StreamNet
	Message_Add(CSG_String("Executing ") + sCmd);
	if (system(sCmd.b_str()) != 0)	
	{
		Error_Set(CSG_String::Format(SG_T("Error executing '%s' see Execution log for details"), BinaryName.c_str()));
		// read log output
		CSG_File File;
		if (File.Open(LogFile, SG_FILE_R, false))
		{
			CSG_String Line;
			while (! File.is_EOF() && File.Read_Line(Line))
			{
				Message_Add(Line);
			}
			File.Close();
		} else 
		{
			Message_Add(CSG_String("Unable to open " + LogFile + CSG_String(" for reading")));
		}

		return( false );
	}

	// Load output tiffs

	if( !DataSet.Open_Read(ORD_OUTPUT_FilePath))
	{
		Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to open output file: "), ORD_OUTPUT_FilePath.c_str()));
		return( false );
	} 
	else
	{
		ORD_OUTPUT_Grid->Assign(DataSet.Read(0));
		ORD_OUTPUT_Grid->Set_Name(ORD_OUTPUT_Name);
		Parameters("ORD_OUTPUT")->Set_Value(ORD_OUTPUT_Grid);	
	}

	if( !DataSet.Open_Read(W_OUTPUT_FilePath))
	{
		Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to open output file: "), W_OUTPUT_FilePath.c_str()));
		return( false );
	} 
	else
	{
		W_OUTPUT_Grid->Assign(DataSet.Read(0));
		W_OUTPUT_Grid->Set_Name(W_OUTPUT_Name);
		Parameters("W_OUTPUT")->Set_Value(W_OUTPUT_Grid);

		CSG_Colors colors;
		DataObject_Get_Colors(SRC_INPUT_Grid, colors);
		DataObject_Set_Colors(ORD_OUTPUT_Grid, colors);
		DataObject_Update(ORD_OUTPUT_Grid, false);		
	}

	// load output shapefile
	if( !OGRDataSource.Create(NET_OUTPUT_FilePath) )
	{
		Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Failed to open file for reading: "), NET_OUTPUT_FilePath.c_str()));
		return( false );
	} 
	NET_OUTPUT_Shapes->Assign(OGRDataSource.Read(0, 0));
	NET_OUTPUT_Shapes->Set_Name(NET_OUTPUT_Name);
	OGRDataSource.Destroy();
	
	// load table data

	if (!SG_File_Exists(COORD_OUTPUT_FilePath))
	{
		Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Output file does not exist: "), COORD_OUTPUT_FilePath.c_str()));
		return false;
	} 
	else
	{
		COORD_OUTPUT_Table->Destroy();
		COORD_OUTPUT_Table->Set_Name(COORD_OUTPUT_Name);

		// create table fields
		COORD_OUTPUT_Table->Add_Field(SG_T("X"), SG_DATATYPE_Double);
		COORD_OUTPUT_Table->Add_Field(SG_T("Y"), SG_DATATYPE_Double);
		COORD_OUTPUT_Table->Add_Field(SG_T("Terminal Distance"), SG_DATATYPE_Double);
		COORD_OUTPUT_Table->Add_Field(SG_T("Elevation"), SG_DATATYPE_Double);
		COORD_OUTPUT_Table->Add_Field(SG_T("Contributing Area"), SG_DATATYPE_Double);

		// read table data
		CSG_File File;
		if (File.Open(COORD_OUTPUT_FilePath, SG_FILE_R, false))
		{
			CSG_String Line;
			// determine number of lines
			while (! File.is_EOF() && File.Read_Line(Line))
			{
				Line.Trim();
				if (Line.Length() == 0) 
				{
					break;
				} 
				else
				{
					CSG_Table_Record *Record = COORD_OUTPUT_Table->Add_Record();
					for (int i = 0; i < COORD_OUTPUT_Table->Get_Field_Count(); i++)
					{
						Record->Set_Value(i, Line.asDouble());
						Line = Line.AfterFirst('\t');
						Line.Trim();
					}
				}
			}
			File.Close();
		} else 
		{
			Message_Add(CSG_String("Unable to open " + COORD_OUTPUT_FilePath + CSG_String(" for reading")));
		}
	}

	if (!SG_File_Exists(TREE_OUTPUT_FilePath))
	{
		Error_Set(CSG_String::Format(SG_T("%s: '%s' "), _TL("Output file does not exist: "), TREE_OUTPUT_FilePath.c_str()));
		return false;
	} 
	else
	{
		TREE_OUTPUT_Table->Destroy();
		TREE_OUTPUT_Table->Set_Name(TREE_OUTPUT_Name);

		// create table fields
		TREE_OUTPUT_Table->Add_Field(SG_T("Link"), SG_DATATYPE_Int);
		TREE_OUTPUT_Table->Add_Field(SG_T("Start Point"), SG_DATATYPE_Int);
		TREE_OUTPUT_Table->Add_Field(SG_T("End Point"), SG_DATATYPE_Int);
		TREE_OUTPUT_Table->Add_Field(SG_T("Next (Downstream) Link"), SG_DATATYPE_Int);
		TREE_OUTPUT_Table->Add_Field(SG_T("First Previous (Upstream) Link"), SG_DATATYPE_Int);
		TREE_OUTPUT_Table->Add_Field(SG_T("Second Previous (Upstream) Link"), SG_DATATYPE_Int);
		TREE_OUTPUT_Table->Add_Field(SG_T("Strahler Order"), SG_DATATYPE_Int);
		TREE_OUTPUT_Table->Add_Field(SG_T("Monitoring Point ID"), SG_DATATYPE_Int);
		TREE_OUTPUT_Table->Add_Field(SG_T("Link Network Magnitude"), SG_DATATYPE_Int);

		// read table data
		CSG_File File;
		if (File.Open(TREE_OUTPUT_FilePath, SG_FILE_R, false))
		{
			CSG_String Line;
			// determine number of lines
			while (! File.is_EOF() && File.Read_Line(Line))
			{
				Line.Trim();
				if (Line.Length() == 0) 
				{
					break;
				} 
				else
				{
					CSG_Table_Record *Record = TREE_OUTPUT_Table->Add_Record();
					for (int i = 0; i < TREE_OUTPUT_Table->Get_Field_Count(); i++)
					{
						Record->Set_Value(i, Line.asDouble());
						Line = Line.AfterFirst('\t');
						Line.Trim();
					}
				}
			}
			File.Close();
		} else 
		{
			Message_Add(CSG_String("Unable to open " + TREE_OUTPUT_FilePath + CSG_String(" for reading")));
		}
	}


	return( true );

}
//---------------------------------------------------------
bool CTable_Text_Export::On_Execute(void)
{
    CSG_String	StrFormat, Separator;
    CSG_File	Stream;
    CSG_Table	*pTable;

    //-----------------------------------------------------
    pTable		= Parameters("TABLE"   )->asTable();
    StrFormat	= Parameters("STRQUOTA")->asBool() ? SG_T("\"%s\"") : SG_T("%s");

    switch( Parameters("SEPARATOR")->asInt() )
    {
    case 0:
        Separator	= "\t";
        break;
    case 1:
        Separator	=  ";";
        break;
    case 2:
        Separator	=  ",";
        break;
    case 3:
        Separator	=  " ";
        break;
    default:
        Separator	= Parameters("SEP_OTHER")->asString();
        break;
    }

    //-----------------------------------------------------
    if( !Stream.Open(Parameters("FILENAME")->asString(), SG_FILE_W, false) )
    {
        Message_Add(_TL("file could not be opened."));
    }

    //-----------------------------------------------------
    else
    {
        if( Parameters("HEADLINE")->asBool() )
        {
            for(int iField=0; iField<pTable->Get_Field_Count(); iField++)
            {
                Stream.Printf(StrFormat.c_str(), pTable->Get_Field_Name(iField));
                Stream.Printf(iField < pTable->Get_Field_Count() - 1 ? Separator.c_str() : SG_T("\n"));
            }
        }

        //-------------------------------------------------
        for(int iRecord=0; iRecord<pTable->Get_Record_Count() && Set_Progress(iRecord, pTable->Get_Record_Count()); iRecord++)
        {
            CSG_Table_Record	*pRecord	= pTable->Get_Record(iRecord);

            for(int iField=0; iField<pTable->Get_Field_Count(); iField++)
            {
                switch( pTable->Get_Field_Type(iField) )
                {
                default:
                case SG_DATATYPE_Char:
                case SG_DATATYPE_String:
                case SG_DATATYPE_Date:
                    Stream.Printf(StrFormat.c_str(), pRecord->asString(iField));
                    break;

                case SG_DATATYPE_Short:
                case SG_DATATYPE_Int:
                case SG_DATATYPE_Color:
                    Stream.Printf(SG_T("%d")	, pRecord->asInt(iField));
                    break;

                case SG_DATATYPE_Long:
                    Stream.Printf(SG_T("%ld")	, (long)pRecord->asDouble(iField));
                    break;

                case SG_DATATYPE_ULong:
                    Stream.Printf(SG_T("%lu")	, (unsigned long)pRecord->asDouble(iField));
                    break;

                case SG_DATATYPE_Float:
                case SG_DATATYPE_Double:
                    Stream.Printf(SG_T("%f")	, pRecord->asDouble(iField));
                    break;
                }

                Stream.Printf(iField < pTable->Get_Field_Count() - 1 ? Separator.c_str() : SG_T("\n"));
            }
        }

        //-------------------------------------------------
        Stream.Close();

        return( true );
    }

    return( false );
}