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2002.10.10 01:03 "ExtraSamples = 999 in Corel TIFF", by Frank Warmerdam
2002.10.10 14:02 "Re: ExtraSamples = 999 in Corel TIFF", by Martí_Maria
2002.10.24 12:00 "Re: 1:2 Compression ?", by
2002.10.24 11:49 "Re: {SPAM?} Re: 1:2 Compression ?", by Nicholas Humfrey

2002.10.10 01:03 "ExtraSamples = 999 in Corel TIFF", by Frank Warmerdam

Folks,

I have a TIFF file generated by Corel with an ExtraSamples value of 999. Does anyone have any idea what this is intended to represent?

eg.

warmerda@gdal[771]% tiffdump Corel_extra_samples_error.tif

Corel_extra_samples_error.tif:
Magic: 0x4949 <little-endian> Version: 0x2a
Directory 0: offset 12608433 (0xc063b1) next 0 (0)
SubFileType (254) LONG (4) 1<0>
ImageWidth (256) LONG (4) 1<1500>
ImageLength (257) LONG (4) 1<2100>
BitsPerSample (258) SHORT (3) 4<8 8 8 8>
Compression (259) SHORT (3) 1<1>
Photometric (262) SHORT (3) 1<2>
ImageDescription (270) ASCII (2) 1<\020>
StripOffsets (273) LONG (4) 1050<33 12033 24033 36033 48033 60033 72033 84033 96033 108033
120033 132033 144033 156033 168033 180033 192033 204033 216033 228033 240033 252033 264033
276033 ...>
Orientation (274) SHORT (3) 1<1>
SamplesPerPixel (277) SHORT (3) 1<4>
RowsPerStrip (278) LONG (4) 1<2>
StripByteCounts (279) LONG (4) 1050<12000 12000 12000 12000 12000 12000 12000 12000 12000
12000 12000 12000 12000 12000 12000 12000 12000 12000 12000 12000 12000 12000 12000 12000 ...>

XResolution (282) RATIONAL (5) 1<118.11> YResolution (283) RATIONAL (5) 1<118.11>

ResolutionUnit (296) SHORT (3) 1<3>
ExtraSamples (338) SHORT (3) 1<999>

Best regards,

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