Re: [Geoserver-users] geotiff compression with predictor

2017-05-25 Thread Andrea Aime
wrote: > Hi, > > I wonder if it woud work with the imageio-ext GDAL plugin > http://docs.geotools.org/stable/userguide/library/coverage/imageio.html > which seems to contain GDAL GeoTIFF driver > > -Jukka Rahkonen- > ____ > Keith Jenki

Re: [Geoserver-users] geotiff compression with predictor

2017-05-25 Thread Keith Jenkins
r > > -Jukka Rahkonen- > ____ > Keith Jenkins wrote: > Re: [Geoserver-users] geotiff compression with predictor > > Thanks, Andrea. For now, I'm just planning to avoid using compression > predictors in any GeoTiFFs. > > When we ge

Re: [Geoserver-users] geotiff compression with predictor

2017-05-25 Thread Rahkonen Jukka (MML)
Hi, I wonder if it woud work with the imageio-ext GDAL plugin http://docs.geotools.org/stable/userguide/library/coverage/imageio.html which seems to contain GDAL GeoTIFF driver -Jukka Rahkonen- Keith Jenkins wrote: Re: [Geoserver-users] geotiff

Re: [Geoserver-users] geotiff compression with predictor

2017-05-25 Thread Keith Jenkins
Thanks, Andrea. For now, I'm just planning to avoid using compression predictors in any GeoTiFFs. When we get data from other sources, we don't always know how the files were generated. As far as I can tell, gdalinfo will indicate if compression is used in a GeoTIFF, but it doesn't say what

Re: [Geoserver-users] geotiff compression with predictor

2017-05-25 Thread Andrea Aime
Hi Keith, as far as I know predictor=3 is completely unknown to the TIFF reader, and the type=2 does not support 32 bit data. There is a ticket open in imageio-ext (the library we use to read TIFF) about this, although it may be a bit too specific (only talks about type 3):