#2349: CELL raster format: make ZLIB level 3 standard compression instead of RLE
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Reporter: neteler | Owner: grass-dev@…
Type: enhancement | Status: new
Priority: critical | Milestone: 7.0.0
Component: Raster | Version: svn-releasebranch70
Keywords: | Platform: All
Cpu: Unspecified |
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Comment(by glynn):
Replying to [ticket:2349 neteler]:
> Proposal: make ZLIB, level 3 the standard compression.
r61380 implements the following behaviour:
* zlib compression is the default. Set GRASS_INT_ZLIB=0 to use RLE
compression.
* The compression level can be set via GRASS_ZLIB_LEVEL, whose value
should be an integer between 0 and 9. If not set (or if the value cannot
be parsed as an integer), zlib's default compression level will be used
(lib/gis/flate.c:333, if a different default is preferred).
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Ticket URL: <http://trac.osgeo.org/grass/ticket/2349#comment:5>
GRASS GIS <http://grass.osgeo.org>
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