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/******************************************************************************
* $Id: gdaladdo.cpp,v 1.12 2006/03/21 21:34:43 fwarmerdam Exp $
*
* Project: GDAL Utilities
* Purpose: Commandline application to build overviews.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
******************************************************************************
* Copyright (c) 2000, Frank Warmerdam
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
******************************************************************************
*
* $Log: gdaladdo.cpp,v $
* Revision 1.12 2006/03/21 21:34:43 fwarmerdam
* cleanup headers
*
* Revision 1.11 2005/09/15 18:28:47 fwarmerdam
* Cleanup on exit more carefully.
*
* Revision 1.10 2004/07/28 17:56:00 warmerda
* use return instead of exit() to avoid lame warnings on windows
*
* Revision 1.9 2004/07/26 14:15:22 warmerda
* Avoid return type warning.
*
* Revision 1.8 2004/04/02 17:33:22 warmerda
* added GDALGeneralCmdLineProcessor()
*
* Revision 1.7 2002/04/16 14:00:25 warmerda
* added GDALVersionInfo
*
* Revision 1.6 2001/07/18 05:05:12 warmerda
* added CPL_CSVID
*
* Revision 1.5 2001/07/16 15:12:05 warmerda
* Added AVERAGE_MAGPHASE option.
*
* Revision 1.4 2001/01/30 22:32:42 warmerda
* added AVERAGE_MP (magnitude preserving averaging) overview resampling type
*
* Revision 1.3 2000/08/18 15:24:32 warmerda
* use terminal progress monitor
*
* Revision 1.2 2000/07/07 15:19:30 warmerda
* try with read-only access if update fails
*
* Revision 1.1 2000/04/21 21:57:21 warmerda
* New
*
*/
#include "gdal_priv.h"
#include "cpl_string.h"
CPL_CVSID("$Id: gdaladdo.cpp,v 1.12 2006/03/21 21:34:43 fwarmerdam Exp $");
/************************************************************************/
/* Usage() */
/************************************************************************/
static void Usage()
{
printf( "Usage: gdaladdo [-r {nearest,average,average_mp,average_magphase,mode}]\n"
" [--help-general] filename levels\n"
"\n"
"Example:\n"
" %% gdaladdo -r average abc.tif 2 4 8 16\n" );
exit( 1 );
}
/************************************************************************/
/* main() */
/************************************************************************/
int main( int nArgc, char ** papszArgv )
{
GDALDataset *poDataset;
const char * pszResampling = "nearest";
const char * pszFilename = NULL;
int anLevels[1024];
int nLevelCount = 0;
int nResultStatus = 0;
GDALAllRegister();
nArgc = GDALGeneralCmdLineProcessor( nArgc, &papszArgv, 0 );
if( nArgc < 1 )
exit( -nArgc );
/* -------------------------------------------------------------------- */
/* Parse commandline. */
/* -------------------------------------------------------------------- */
for( int iArg = 1; iArg < nArgc; iArg++ )
{
if( EQUAL(papszArgv[iArg],"-r") && iArg < nArgc-1 )
pszResampling = papszArgv[++iArg];
else if( pszFilename == NULL )
pszFilename = papszArgv[iArg];
else if( atoi(papszArgv[iArg]) > 0 )
anLevels[nLevelCount++] = atoi(papszArgv[iArg]);
else
Usage();
}
if( pszFilename == NULL || nLevelCount == 0 )
Usage();
/* -------------------------------------------------------------------- */
/* Open data file. */
/* -------------------------------------------------------------------- */
poDataset = (GDALDataset *) GDALOpen( pszFilename, GA_Update );
if( poDataset == NULL )
poDataset = (GDALDataset *) GDALOpen( pszFilename, GA_ReadOnly );
if( poDataset == NULL )
exit( 2 );
/* -------------------------------------------------------------------- */
/* Generate overviews. */
/* -------------------------------------------------------------------- */
if( poDataset->BuildOverviews( pszResampling,
nLevelCount, anLevels, 0, NULL,
GDALTermProgress, NULL ) != CE_None )
{
printf( "Overview building failed.\n" );
nResultStatus = 100;
}
/* -------------------------------------------------------------------- */
/* Cleanup */
/* -------------------------------------------------------------------- */
delete poDataset;
CSLDestroy( papszArgv );
GDALDestroyDriverManager();
return nResultStatus;
}
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