Added BigTIFF reading #6097
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Added BigTIFF reading #6097
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radarhere
commented
Feb 28, 2022
| return self._fixup_dict(info) | ||
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| def _get_head(self): | ||
| version = b"\x2B" if self.bigtiff else b"\x2A" |
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\x2B is 43, and \x2A is 42, as per https://www.awaresystems.be/imaging/tiff/bigtiff.html
radarhere
commented
Feb 28, 2022
| (TiffTags.FLOAT, "f", "float"), | ||
| (TiffTags.DOUBLE, "d", "double"), | ||
| (TiffTags.IFD, "L", "long"), | ||
| (TiffTags.LONG8, "Q", "long8"), |
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https://www.awaresystems.be/imaging/tiff/bigtiff.html
The StripOffsets, StripByteCounts, TileOffsets, and TileByteCounts tags are allowed to have the datatype TIFF_LONG8 in BigTIFF.
hugovk
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Mar 10, 2022
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Thanks! Shall we add to release notes?
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Resolves #4513
See https://www.awaresystems.be/imaging/tiff/bigtiff.html for a documentation reference.
The test image was created with
convert hopper.tif TIFF64:hopper_bigtiff.tif.