Hi, If your output is 8 bit you can just use -scale without min/max values. From https://gdal.org/programs/gdal_translate.html:
"Rescale the input pixels values from the range src_min to src_max to the range dst_min to dst_max. If omitted the output range is 0 to 255. If omitted the input range is automatically computed from the source data." If your data is higher than 8 bit and you want to keep it so you are out of luck with gdal_translate because it first omits the output range and sets it into 0-255 before it can omit the input range and compute the range automatically. The current behavior is not optimal for certain use cases (https://gis.stackexchange.com/questions/294129/min-max-stretch-using-gdal-translate-in-a-batch). Some programmer learning GDAL could take this as a challenge and formulate how to improve the automatic scaling support so that it would not break too much. As a first aid a Python script for automatic min/max scaling would be nice, and why not with an option to utilize the histogram and use for example +/- 98% of the histogram. Or mean +/- (2 x RMS). -Jukka Rahkonen- jesus.moran wrote > Hello GDAL team and thank you for welcome me. > > > > I have an issue with the gdal_translate command. I would like to use the > STATISTICS_MIN and STATISTICS_MAX metadata key values in the -scale > parameter of the program, so I dont need to specify it manually every > time > I want to scale the output. Is there any way to do this? > > > > Thanks a lot in advance! > > > > > <http://www.solute.es/> > > > Jesús Maria Morán Rosado > Project Engineer > > Av. Cerro del Águila, 3, 28703 S.S. de los Reyes, Madrid > > CONFIDENTIALITY: This e-mail and any attachments are confidential and may > be > privileged. If you are not a named recipient, please notify the sender > immediately and do not disclose the contents to another person, use it for > any purpose or store or copy the information in any medium. > > > > > _______________________________________________ > gdal-dev mailing list > gdal-dev@.osgeo > https://lists.osgeo.org/mailman/listinfo/gdal-dev > > > image001.gif (2K) > <http://osgeo-org.1560.x6.nabble.com/attachment/5452429/0/image001.gif> -- Sent from: http://osgeo-org.1560.x6.nabble.com/GDAL-Dev-f3742093.html _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/gdal-dev