Tom,
It would be interesting if you could provide an image how to reproduce that
With the sample file from the autotest suite, I can't reproduce that:
$ gdal_translate ../autotest/gdrivers/data/jpeg/byte_with_xmp.jpg out.tif
$ gdalinfo out.tif -mdd all
Driver: GTiff/GeoTIFF
Files: out.tif
Size is 1, 1
Metadata (xml:XMP):
<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d'?>
<x:xmpmeta xmlns:x='adobe:ns:meta/' x:xmptk='Image::ExifTool 7.89'>
<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>
<rdf:Description rdf:about=''
xmlns:dc='http://purl.org/dc/elements/1.1/'>
<dc:description>
<rdf:Alt>
<rdf:li xml:lang='x-default'>Description</rdf:li>
</rdf:Alt>
</dc:description>
<dc:subject>
<rdf:Bag>
<rdf:li>XMP</rdf:li>
<rdf:li>Test</rdf:li>
</rdf:Bag>
</dc:subject>
<dc:title>
<rdf:Alt>
<rdf:li xml:lang='x-default'>Title</rdf:li>
</rdf:Alt>
</dc:title>
</rdf:Description>
<rdf:Description rdf:about=''
xmlns:tiff='http://ns.adobe.com/tiff/1.0/'>
<tiff:BitsPerSample>
<rdf:Seq>
<rdf:li>8</rdf:li>
</rdf:Seq>
</tiff:BitsPerSample>
<tiff:Compression>1</tiff:Compression>
<tiff:ImageLength>20</tiff:ImageLength>
<tiff:ImageWidth>20</tiff:ImageWidth>
<tiff:PhotometricInterpretation>1</tiff:PhotometricInterpretation>
<tiff:PlanarConfiguration>1</tiff:PlanarConfiguration>
<tiff:SamplesPerPixel>1</tiff:SamplesPerPixel>
</rdf:Description>
</rdf:RDF>
</x:xmpmeta>
<?xpacket end='w'?>
Metadata (DERIVED_SUBDATASETS):
DERIVED_SUBDATASET_1_NAME=DERIVED_SUBDATASET:LOGAMPLITUDE:out.tif
DERIVED_SUBDATASET_1_DESC=log10 of amplitude of input bands from out.tif
Image Structure Metadata:
INTERLEAVE=BAND
Corner Coordinates:
Upper Left ( 0.0, 0.0)
Lower Left ( 0.0, 1.0)
Upper Right ( 1.0, 0.0)
Lower Right ( 1.0, 1.0)
Center ( 0.5, 0.5)
Band 1 Block=1x1 Type=Byte, ColorInterp=Gray
Le 08/08/2022 à 20:32, Tom O'Reilly a écrit :
gdal_translate output .tif file does not contain XMP tags that were
present in the input .jpg file.
The output file contains many of the input EXIF tags, aggregated as
the GDALMetadata tag, but not the XMP tags.
Why does gdal_translate remove XMP tags - is there an option to
preserve them?
Thanks
Tom
--------------------------------------------------
Thomas C. O'Reilly
Monterey Bay Aquarium Research Institute
7700 Sandholdt Road
Moss Landing, California 95039-9644
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831-775-1620 (FAX)
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"The machine does not isolate us from the great mysteries
of nature, but plunges us more deeply into them."
- ANTOINE DE SAINT-EXUPERY
"Wind, Sand, and Stars" (1939)
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