wasp_map.cpp

这是一个GPS相关的程序

///////////////////////////////////////////////////////////
//                                                       //
//                         SAGA                          //
//                                                       //
//      System for Automated Geoscientific Analyses      //
//                                                       //
//                    Module Library:                    //
//                     shapes_tools                      //
//                                                       //
//-------------------------------------------------------//
//                                                       //
//                     WASP_MAP.cpp                      //
//                                                       //
//                 Copyright (C) 2006 by                 //
//                      Olaf Conrad                      //
//                                                       //
//-------------------------------------------------------//
//                                                       //
// This file is part of 'SAGA - System for Automated     //
// Geoscientific Analyses'. SAGA is free software; you   //
// can redistribute it and/or modify it under the terms  //
// of the GNU General Public License as published by the //
// Free Software Foundation; version 2 of the License.   //
//                                                       //
// SAGA is distributed in the hope that it will be       //
// useful, but WITHOUT ANY WARRANTY; without even the    //
// implied warranty of MERCHANTABILITY or FITNESS FOR A  //
// PARTICULAR PURPOSE. See the GNU General Public        //
// License for more details.                             //
//                                                       //
// You should have received a copy of the GNU General    //
// Public License along with this program; if not,       //
// write to the Free Software Foundation, Inc.,          //
// 59 Temple Place - Suite 330, Boston, MA 02111-1307,   //
// USA.                                                  //
//                                                       //
//-------------------------------------------------------//
//                                                       //
//    e-mail:     [e-mail]                   //
//                                                       //
//    contact:    Olaf Conrad                            //
//                Institute of Geography                 //
//                University of Goettingen               //
//                Goldschmidtstr. 5                      //
//                37077 Goettingen                       //
//                Germany                                //
//                                                       //
///////////////////////////////////////////////////////////

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//														 //
//														 //
//														 //
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//---------------------------------------------------------
#include "wasp_map.h"


///////////////////////////////////////////////////////////
//														 //
//														 //
//														 //
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//---------------------------------------------------------
CWASP_MAP_Export::CWASP_MAP_Export(void)
{
	Set_Name		(_TL("Export WASP terrain map file"));

	Set_Author		(_TL("Copyrights (c) 2006 by Olaf Conrad"));

	Set_Description	(_TW(
		"Reference:\n"
		"<a href=\"http://www.risoe.dk/vea/projects/nimo/WAsPHelp/Wasp8.htm#FileFormatofMAP.htm\" target=\"_blank\">"
		"http://www.risoe.dk/vea/projects/nimo/WAsPHelp/Wasp8.htm#FileFormatofMAP.htm</a>"
	));

	//-----------------------------------------------------
	CSG_Parameter	*pShapes	= Parameters.Add_Shapes(
		NULL	, "SHAPES"		, _TL("Contour Lines"),
		_TL(""),
		PARAMETER_INPUT			, SHAPE_TYPE_Line
	);

	Parameters.Add_Table_Field(
		pShapes	, "ELEVATION"	, _TL("Map File"),
		_TL("")
	);

	Parameters.Add_FilePath(
		NULL	, "FILE"		, _TL("File Name"),
		_TL(""),
		CSG_String::Format(SG_T("%s|*.map|%s|*.*"),
			_TL("WASP Map Files (*.map)"),
			_TL("All Files")
		), NULL, true
	);
}

//---------------------------------------------------------
CWASP_MAP_Export::~CWASP_MAP_Export(void)
{}

//---------------------------------------------------------
bool CWASP_MAP_Export::On_Execute(void)
{
	int			zField;
	FILE		*Stream;
	CSG_String	fName;
	CSG_Shape	*pLine;
	CSG_Shapes	*pLines;

	//-----------------------------------------------------
	pLines	= Parameters("SHAPES")		->asShapes();
	zField	= Parameters("ELEVATION")	->asInt();
	fName	= Parameters("FILE")		->asString();

	//-----------------------------------------------------
	if( pLines && pLines->is_Valid() && (Stream = fopen(fName.b_str(), "w")) != NULL )
	{
		// 1)	Text string identifying the terrain map: + ...

		fprintf(Stream, "+ %s\n", pLines->Get_Name());


		// 2)	Fixed point #1 in user and metric [m] coordinates:
		//			X1(user) Y1(user) X1(metric) Y1(metric)

		fprintf(Stream, "%f %f %f %f\n", 0.0, 0.0, 0.0, 0.0);


		// 3)	Fixed point #2 in user and metric [m] coordinates:
		//			X2(user) Y2(user) X2(metric) Y2(metric)

		fprintf(Stream, "%f %f %f %f\n", 1.0, 1.0, 1.0, 1.0);


		// 4)	Scaling factor and offset for height scale (Z):
		//			Zmetric = {scaling factor}(Zuser + {offset})

		fprintf(Stream, "%f %f\n", 1.0, 0.0);


		for(int iLine=0; iLine<pLines->Get_Count() && Set_Progress(iLine, pLines->Get_Count()); iLine++)
		{
			pLine	= pLines->Get_Shape(iLine);

			for(int iPart=0; iPart<pLine->Get_Part_Count(); iPart++)
			{
				if( pLine->Get_Point_Count(iPart) > 1 )
				{
					// 5a)	Height contour: elevation (Z) and number of points (n) in line:
					//			Z n

					fprintf(Stream, "%f %d\n", pLine->Get_Record()->asDouble(zField), pLine->Get_Point_Count(iPart));


					// 5b)	Roughness change line:
					//			roughness lengths to the left (z0l) and right (z0r) side of the line,
					//			respectively, and number of points:
					//				z0l z0r n

					// 5c)	Roughness and contour line:
					//			roughness lengths to the left and right of the line,
					//			respectively, elevation and number of points:
					//				z0l z0r Z n


					// 6