I wrote the original jpipkak driver years ago and it a driver I would suggest for deprecation but I am no longer involved in j2k development to know how much it is being used.
You will need a jpip server to use the jpip client. Wavelets are different to cogs and you will get the benefits of progressive display. Norman On Fri, Aug 26, 2022, 5:12 PM Kurt Schwehr <schw...@gmail.com> wrote: > It costs, but you could try this: > > https://gdal.org/drivers/raster/jpipkak.html > > I have kakadu, but I have never tried the jpip functionality so I can't > say how well it works. > > On Fri, Aug 26, 2022, 5:03 AM Martin <e11904...@student.tuwien.ac.at> > wrote: > >> Hi, >> >> I want to process JP2 data via vsicurl. Which works so far. >> Unfortunately hundreds of requests are sent, even if only the data of one >> tile is required. >> I understand that due to the structure of a JP2 file multiple requests >> are necessary. But it looks like GDAL is searching every single tile >> (resulting in ~120 requests). >> >> Is there a way to reduce the number of requests? >> >> I have already tried the JP2ECW-ERDAS driver, same result. >> >> Do I have to configure GDAL in a certain way? >> >> cmd for request: >> >> #!/bin/bash >> >> export GDAL_DISABLE_READDIR_ON_OPEN="YES" >> export CPL_VSIL_CURL_ALLOWED_EXTENSIONS="jp2" >> export CPL_CURL_VERBOSE="YES" >> export GDAL_HTTP_MERGE_CONSECUTIVE_RANGES="YES" >> >> gdal_translate --debug ON -srcwin 0 0 256 256 /vsicurl/ >> http://localhost:8083/T33UWP_20220515T100031_TCI_10m_J2Lmin.jp2 >> ./out_subWin.tif >> >> What options do I need to specify when creating the JP2 file to support >> GDAL? >> >> Currently I use the following options: >> >> #!/bin/bash >> >> gdal_translate \ >> -of JP2OpenJPEG \ >> -co QUALITY=100 \ >> -co TLM=YES \ >> -co PLT=YES \ >> -co PROGRESSION=LRCP \ >> -co WRITE_METADATA=YES \ >> ../test_data/T33UWP_20220515T100031_TCI_10m.tif \ >> ./T33UWP_20220515T100031_TCI_10m_J2Lmin.jp2 >> >> Some logs: >> >> [gdal degug output](https://pastebin.com/vTf7tjLJ) >> [nginx logs](https://pastebin.com/8bWW15Tp) >> [gdalinfo](https://pastebin.com/HWSmypEQ) >> [opj_dump](https://pastebin.com/rdYbHEnY) >> [kdu_jp2info](https://pastebin.com/atVUfeVx) >> _______________________________________________ >> gdal-dev mailing list >> gdal-dev@lists.osgeo.org >> https://lists.osgeo.org/mailman/listinfo/gdal-dev >> > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/gdal-dev >
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