Re: [GRASS-dev] GRASS_COMPRESSOR=BZIP2 in winGRASS
>> r.in.gdal and GRASS_COMPRESSOR=BZIP2 and GRASS_INT_ZLIB=9 > >Note that GRASS_INT_ZLIB affects only ZLIB compression. copy/paste error; should be added to the sentence before: GRASS_COMPRESSOR=ZLIB and GRASS_INT_ZLIB=9 >If you want to save a lot of disk space, you can convert FCELL maps to >CELL maps, e.g. for temperature values rounding to Celsius * 10, then >check again which compressor best fits your needs. In previous tests I >found that BZIP2 only gives me a disk space advantage for large maps >with >1 columns. Also, it seems that BZIP2 might compress integer >maps better than fp maps. will try to convert and test size. thanks. - best regards Helmut -- View this message in context: http://osgeo-org.1560.x6.nabble.com/GRASS-COMPRESSOR-BZIP2-in-winGRASS-tp5286534p5286838.html Sent from the Grass - Dev mailing list archive at Nabble.com. ___ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev
Re: [GRASS-dev] GRASS_COMPRESSOR=BZIP2 in winGRASS
Hi, 2016-09-19 16:14 GMT+02:00 Helmut Kudrnovsky: > r.compress -p map=checkcompression@checkbzip2 > is compressed (method 4: BZIP2). Data type: FCELL > --- > > thanks for activating BZIP2 compression. OK, I activated BZIP2 compression also in relbr72 (r69534). Could you please test it also with the next build of GRASS 7.2? Thanks, Martin -- Martin Landa http://geo.fsv.cvut.cz/gwiki/Landa http://gismentors.cz/mentors/landa ___ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev
Re: [GRASS-dev] GRASS_COMPRESSOR=BZIP2 in winGRASS
Hi, 2016-09-18 20:04 GMT+02:00 Markus Neteler: >> "GRASS needs to be compiled with BZIP2 for BZIP2 compression" >> ? > > I checked > https://wingrass.fsv.cvut.cz/grass73/x86_64/logs/log-r69510-8/ > BZIP2 support: no > > That's why it is at time not included in winGRASS... bzlib2 support activated in trunk (r69517). Let's check the next WinGRASS build. Martin -- Martin Landa http://geo.fsv.cvut.cz/gwiki/Landa http://gismentors.cz/mentors/landa ___ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev
Re: [GRASS-dev] GRASS_COMPRESSOR=BZIP2 in winGRASS
On Sun, Sep 18, 2016 at 7:53 PM, Markus Netelerwrote: > On Sun, Sep 18, 2016 at 7:41 PM, Helmut Kudrnovsky wrote: >> Hi, >> >> experimentally I've tried set GRASS_COMPRESSOR=BZIP2 in today's >> OSGeo4W-wingrass7.3 (trunk). >> >> By writing a raster map, I got the message, that BZIP2 grass compresser >> isn't implemented in this grass version. > > What is the exact error message? This one: > > "GRASS needs to be compiled with BZIP2 for BZIP2 compression" > ? I checked https://wingrass.fsv.cvut.cz/grass73/x86_64/logs/log-r69510-8/ BZIP2 support: no That's why it is at time not included in winGRASS... Markus ___ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev
Re: [GRASS-dev] GRASS_COMPRESSOR=BZIP2 in winGRASS
On Sun, Sep 18, 2016 at 7:41 PM, Helmut Kudrnovskywrote: > Hi, > > experimentally I've tried set GRASS_COMPRESSOR=BZIP2 in today's > OSGeo4W-wingrass7.3 (trunk). > > By writing a raster map, I got the message, that BZIP2 grass compresser > isn't implemented in this grass version. What is the exact error message? This one: "GRASS needs to be compiled with BZIP2 for BZIP2 compression" ? Markus ___ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev