grid_orientation.cpp

这是一个GPS相关的程序

///////////////////////////////////////////////////////////
//                                                       //
//                         SAGA                          //
//                                                       //
//      System for Automated Geoscientific Analyses      //
//                                                       //
//                    Module Library:                    //
//                      Grid_Tools                       //
//                                                       //
//-------------------------------------------------------//
//                                                       //
//                  Grid_Orientation.cpp                 //
//                                                       //
//                 Copyright (C) 2003 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                                //
//                                                       //
///////////////////////////////////////////////////////////

//---------------------------------------------------------


///////////////////////////////////////////////////////////
//														 //
//														 //
//														 //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
#include "Grid_Orientation.h"


///////////////////////////////////////////////////////////
//														 //
//														 //
//														 //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
CGrid_Orientation::CGrid_Orientation(void)
{
	//-----------------------------------------------------
	// 1. Info...

	Set_Name(_TL("Grid Orientation"));

	Set_Author(_TL("Copyrights (c) 2001 by Olaf Conrad"));

	Set_Description	(_TW(
		"Copy, mirror (horizontally or vertically) and invert grid values. "
		"If the target is not set, the changes will be stored to the original grid. ")
	);


	//-----------------------------------------------------
	// 2. Parameters...

	Parameters.Add_Grid(
		NULL, "INPUT"	, _TL("Grid"),
		_TL(""),
		PARAMETER_INPUT
	);

	Parameters.Add_Grid(
		NULL, "RESULT"	, _TL("Changed Grid"),
		_TL(""),
		PARAMETER_OUTPUT_OPTIONAL
	);

	Parameters.Add_Choice(
		NULL, "METHOD"	, _TL("Method"),
		_TL(""),
		CSG_String::Format(SG_T("%s|%s|%s|%s|"),
			_TL("Copy"),
			_TL("Flip"),
			_TL("Mirror"),
			_TL("Invert")
		)
	);
}

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


///////////////////////////////////////////////////////////
//														 //
//														 //
//														 //
///////////////////////////////////////////////////////////

//---------------------------------------------------------
bool CGrid_Orientation::On_Execute(void)
{
	CSG_Grid		*pInput, *pResult;

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

	if( !pResult )
	{
		pResult		= pInput;
		Parameters("RESULT")->Set_Value(pInput);
	}
	else if( pResult != pInput )
	{
		pResult->Assign(pInput);
	}

	switch( Parameters("METHOD")->asInt() )
	{
	case 0:	default:	// Copy...
		break;

	case 1:				// Flip...
		pResult->Flip();
		break;

	case 2:				// Mirror...
		pResult->Mirror();
		break;

	case 3:				// Invert...
		pResult->Invert();
		break;
	}

	return( true );
}