int ScanSARRecipeFCN( CeosSARVolume_t *volume, const void *token )
{
struct CeosSARImageDesc *ImageDesc = &(volume->ImageDesc);
memset( ImageDesc, 0, sizeof( struct CeosSARImageDesc ) );
if( CeosDefaultRecipe( volume, token ) )
{
ImageDesc->Lines *= 2;
return 1;
}
return 0;
}
static int PALSARRecipeFCN( CeosSARVolume_t *volume, void *token )
{
struct CeosSARImageDesc *ImageDesc = &(volume->ImageDesc);
CeosTypeCode_t TypeCode;
CeosRecord_t *record;
char szSARDataFormat[29], szProduct[32];
memset( ImageDesc, 0, sizeof( struct CeosSARImageDesc ) );
/* -------------------------------------------------------------------- */
/* First, we need to check if the "SAR Data Format Type */
/* identifier" is set to "COMPRESSED CROSS-PRODUCTS" which is */
/* pretty idiosyncratic to SIRC products. It might also appear */
/* for some other similarly encoded Polarimetric data I suppose. */
/* -------------------------------------------------------------------- */
/* IMAGE_OPT */
TypeCode.UCharCode.Subtype1 = 63;
TypeCode.UCharCode.Type = 192;
TypeCode.UCharCode.Subtype2 = 18;
TypeCode.UCharCode.Subtype3 = 18;
record = FindCeosRecord( volume->RecordList, TypeCode,
__CEOS_IMAGRY_OPT_FILE, -1, -1 );
if( record == NULL )
return 0;
ExtractString( record, 401, 28, szSARDataFormat );
if( !EQUALN( szSARDataFormat, "INTEGER*18 ", 25) )
return 0;
ExtractString( record, 49, 16, szProduct );
if( !EQUALN( szProduct, "ALOS-", 5 ) )
return 0;
/* -------------------------------------------------------------------- */
/* Apply normal handling... */
/* -------------------------------------------------------------------- */
CeosDefaultRecipe( volume, token );
/* -------------------------------------------------------------------- */
/* Make sure this looks like the SIRC product we are expecting. */
/* -------------------------------------------------------------------- */
if( ImageDesc->BytesPerPixel != 18 )
return 0;
/* -------------------------------------------------------------------- */
/* Then fix up a few values. */
/* -------------------------------------------------------------------- */
ImageDesc->DataType = __CEOS_TYP_PALSAR_COMPLEX_SHORT;
ImageDesc->NumChannels = 6;
/* -------------------------------------------------------------------- */
/* Sanity checking */
/* -------------------------------------------------------------------- */
if( ImageDesc->PixelsPerLine == 0 || ImageDesc->Lines == 0 ||
ImageDesc->RecordsPerLine == 0 || ImageDesc->ImageDataStart == 0 ||
ImageDesc->FileDescriptorLength == 0 || ImageDesc->DataType == 0 ||
ImageDesc->NumChannels == 0 || ImageDesc->BytesPerPixel == 0 ||
ImageDesc->ChannelInterleaving == 0 || ImageDesc->BytesPerRecord == 0)
{
return 0;
} else {
ImageDesc->ImageDescValid = TRUE;
return 1;
}
}
static int SIRCRecipeFCN( CeosSARVolume_t *volume, const void *token )
{
struct CeosSARImageDesc *ImageDesc = &(volume->ImageDesc);
CeosTypeCode_t TypeCode = { 0 };
CeosRecord_t *record;
char szSARDataFormat[29];
memset( ImageDesc, 0, sizeof( struct CeosSARImageDesc ) );
/* -------------------------------------------------------------------- */
/* First, we need to check if the "SAR Data Format Type */
/* identifier" is set to "COMPRESSED CROSS-PRODUCTS" which is */
/* pretty idiosyncratic to SIRC products. It might also appear */
/* for some other similarly encoded Polarimetric data I suppose. */
/* -------------------------------------------------------------------- */
/* IMAGE_OPT */
TypeCode.UCharCode.Subtype1 = 63;
TypeCode.UCharCode.Type = 192;
TypeCode.UCharCode.Subtype2 = 18;
TypeCode.UCharCode.Subtype3 = 18;
record = FindCeosRecord( volume->RecordList, TypeCode,
CEOS_IMAGRY_OPT_FILE, -1, -1 );
if( record == NULL )
return 0;
ExtractString( record, 401, 28, szSARDataFormat );
if( !STARTS_WITH_CI(szSARDataFormat, "COMPRESSED CROSS-PRODUCTS") )
return 0;
/* -------------------------------------------------------------------- */
/* Apply normal handling... */
/* -------------------------------------------------------------------- */
CeosDefaultRecipe( volume, token );
/* -------------------------------------------------------------------- */
/* Make sure this looks like the SIRC product we are expecting. */
/* -------------------------------------------------------------------- */
if( ImageDesc->BytesPerPixel != 10 )
return 0;
/* -------------------------------------------------------------------- */
/* Then fix up a few values. */
/* -------------------------------------------------------------------- */
/* It seems the bytes of pixel data per record is just wrong. Fix. */
ImageDesc->PixelDataBytesPerRecord =
ImageDesc->BytesPerPixel * ImageDesc->PixelsPerLine;
ImageDesc->DataType = CEOS_TYP_CCP_COMPLEX_FLOAT;
/* -------------------------------------------------------------------- */
/* Sanity checking */
/* -------------------------------------------------------------------- */
if( ImageDesc->PixelsPerLine == 0 || ImageDesc->Lines == 0 ||
ImageDesc->RecordsPerLine == 0 || ImageDesc->ImageDataStart == 0 ||
ImageDesc->FileDescriptorLength == 0 || ImageDesc->DataType == 0 ||
ImageDesc->NumChannels == 0 || ImageDesc->BytesPerPixel == 0 ||
ImageDesc->ChannelInterleaving == 0 || ImageDesc->BytesPerRecord == 0)
{
return 0;
} else {
ImageDesc->ImageDescValid = TRUE;
return 1;
}
}
