[GRASS-dev] [GRASS GIS] #2750: LZ4 when writing raster rows; better than double I/O bound r.mapcalc speed

GRASS GIS trac at osgeo.org
Thu Feb 25 16:05:24 PST 2016


#2750: LZ4 when writing raster rows; better than double I/O bound r.mapcalc speed
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  Reporter:  sprice       |      Owner:  grass-dev@…
      Type:  enhancement  |     Status:  new
  Priority:  normal       |  Milestone:  7.1.0
 Component:  Raster       |    Version:  svn-trunk
Resolution:               |   Keywords:  ZLIB LZ4 ZSTD
       CPU:  OSX/Intel    |   Platform:  MacOSX
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Comment (by neteler):

 Replying to [comment:48 mmetz]:
 > In your opinion:
 > * Adding new compression methods in G71 for cell/fcell files that are
 not readable by G70 is ok.

 No. If the format is broken, we need to call it G8 and provide converters.

 > * Compression of null files in G71 not readable by G70 is not ok.

 Yes (I find double negation sentences confusing, though).

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Ticket URL: <https://trac.osgeo.org/grass/ticket/2750#comment:49>
GRASS GIS <https://grass.osgeo.org>



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