Thanks! On Mon, 4 Dec 2023 at 16:46, Even Rouault <even.roua...@spatialys.com> wrote:
> Javier, > > TIFFTAG_DATETIME or AREA_OR_POINT are copied by the COG/GTiff drivers from > the source dataset metadata. > > So using gdal_translate / GDALTranslate(), you may set them with the "-mo > KEY=VALUE" option. > > If using an intermediate VRT as the source for GDALCreateCopy(), then you > may call SetMetadataItem("KEY", "VALUE") on the VRT. I don't see an option > in GDALBuildVRT() to do that, but you can definitely open the VRT after it > has been created and call SetMetadataItem() on it > > Even > Le 04/12/2023 à 16:14, Javier Jimenez Shaw via gdal-dev a écrit : > > Hi > > I am trying to convert a "normal" tiff file into a COG. For that I am > using an intermediate vrt file to add the geolocation parameters, and > finally copy the vrt into a COG. > I am doing it in C++, but it should be similar doing it on the command > line I hope. (In some cases I am using also other parameters of the > gdalbuildvrt). > > My problem is how are the "magic words" to set the TIFFTAG_* (like > TIFFTAG_DATETIME) in the final COG. I guess I could use the option "-oo" > for the options in GDALBuildVRT, or in the options of the method > "CreateCopy" for COG driver. > Is that doable that way? Should I prefix "TIFFTAG_..." with something like > "GDALMETADATA:"? (I tried, unsuccessfully) > Is that the same for AREA_OR_POINT? > > Thanks. > .___ ._ ..._ .. . ._. .___ .. __ . _. . __.. ... .... ._ .__ > > _______________________________________________ > gdal-dev mailing > listgdal-dev@lists.osgeo.orghttps://lists.osgeo.org/mailman/listinfo/gdal-dev > > -- http://www.spatialys.com > My software is free, but my time generally not. > >
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