To have an GDAL independent point of view, I use Phil Harveys exiftool. In the source file are the domains IMAGE_STRUCTURE and EXIF present. Y - use GDALSetMetadataItem(h_dataset, key, value,"EXIF") N - use GDALSetMetadataItem(h_dataset, key, value, NULL)
N|Y parameter to choose the metatdata domain for storag. N|Y parameter to remove the EXIT_ prefix from the tag N - don do it, Y - yes remov it. list the content of metadata domains of the resulting image. try to copy the tags of the EXIF domain with 4 different settings. list the content of metadata domains of the source image. make a copy of it with the help of GDALCreateCopy(.). To reproduce the issue I've written a small C test program that takes a source GTiff, What is the right procedure to copy / set these tags into the new file? Steps to reproduce the problem. GDALSetMetadataItem(h_dataset, key, value, "EXIF"),Īs proposed in the GDAL-GeoTiff documentation section Metadata, to copy the tags from the source file, the EXIF domain is empty. When I use GDAL to copy the dataset via GDALCreateCopy(.) for further work all additional tags from the EXIF domain are lost. I use GDAL version 2.0.2 on a device running debian 8. Each camera uses geo-tagging and stores position and time meta-data in exif tags. I work on toolkit that automatically classifies data from a bunch of aerial cameras.
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