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ceossar.c
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/******************************************************************************
* $Id$
*
* Project: ASI CEOS Translator
* Purpose: Functions related to CeosSARVolume_t.
* Author: Paul Lahaie, [email protected]
*
******************************************************************************
* Copyright (c) 2000, Atlantis Scientific Inc
*
* 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.
****************************************************************************/
#include "ceos.h"
CPL_CVSID("$Id$")
extern Link_t *RecipeFunctions;
void InitCeosSARVolume(CeosSARVolume_t *volume, int32 file_name_convention)
{
volume->Flavor = \
volume->Sensor = \
volume->ProductType = 0;
volume->FileNamingConvention = file_name_convention ;
volume->VolumeDirectoryFile =
volume->SARLeaderFile =
volume->SARTrailerFile =
volume->NullVolumeDirectoryFile =
volume->ImageDesc.ImageDescValid = FALSE;
volume->RecordList = NULL;
}
void CalcCeosSARImageFilePosition(CeosSARVolume_t *volume, int channel, int line, int *record, int *file_offset)
{
struct CeosSARImageDesc *ImageDesc;
int TotalRecords=0, TotalBytes=0;
if(record)
*record = 0;
if(file_offset)
*file_offset = 0;
if( volume )
{
if( volume->ImageDesc.ImageDescValid )
{
ImageDesc = &( volume->ImageDesc );
switch( ImageDesc->ChannelInterleaving )
{
case CEOS_IL_PIXEL:
TotalRecords = (line - 1) * ImageDesc->RecordsPerLine;
TotalBytes = (TotalRecords) * ( ImageDesc->BytesPerRecord );
break;
case CEOS_IL_LINE:
TotalRecords = (ImageDesc->NumChannels * (line - 1) +
(channel - 1)) * ImageDesc->RecordsPerLine;
TotalBytes = (TotalRecords) * ( ImageDesc->BytesPerRecord ) ;
break;
case CEOS_IL_BAND:
TotalRecords = (((channel - 1) * ImageDesc->Lines) *
ImageDesc->RecordsPerLine) +
(line - 1) * ImageDesc->RecordsPerLine;
TotalBytes = (TotalRecords) * ( ImageDesc->BytesPerRecord );
break;
}
if(file_offset)
*file_offset = ImageDesc->FileDescriptorLength + TotalBytes;
if(record)
*record = TotalRecords + 1;
}
}
}
int32 GetCeosSARImageData(CPL_UNUSED CeosSARVolume_t *volume,
CPL_UNUSED CeosRecord_t *processed_data_record,
CPL_UNUSED int channel,
CPL_UNUSED int xoff,
CPL_UNUSED int xsize,
CPL_UNUSED int bufsize,
CPL_UNUSED uchar *buffer)
{
return 0;
}
void DetermineCeosSARPixelOrder( CPL_UNUSED CeosSARVolume_t *volume,
CPL_UNUSED CeosRecord_t *record )
{
}
void GetCeosSAREmbeddedInfo(CPL_UNUSED CeosSARVolume_t *volume,
CPL_UNUSED CeosRecord_t *processed_data_record,
CPL_UNUSED CeosSAREmbeddedInfo_t *info)
{
}
void DeleteCeosSARVolume(CeosSARVolume_t *volume)
{
Link_t *Links;
if( volume )
{
if( volume->RecordList )
{
for(Links = volume->RecordList; Links != NULL; Links = Links->next)
{
if(Links->object)
{
DeleteCeosRecord( Links->object );
Links->object = NULL;
}
}
DestroyList( volume->RecordList );
}
HFree( volume );
}
}