[GRASS-dev] GRASS GIS raster files: LZW compression?

Markus Neteler neteler at osgeo.org
Fri Oct 27 12:01:43 PDT 2017


On Thu, Oct 26, 2017 at 8:01 PM, Seth Price <seth at planet.com> wrote:
>
> Also, it's worth remembering that LZ4 is not intended for file size. It's there because it
> decompresses at least an order of magnitude faster than LZW.

Yes, I am using LZ4 as the default for our data in order to gain speed.
In this SRTM case the size exceeded what we were willing to reserve
for it... I changed back to DEFLATE for now for this dataset.

markusN

> --
>
> Seth Price
>
> Director of Putting the Pixels Where They Belong
> Satellitenfernerkundungsspezialist
> Planet Labs
> Email: seth at planet.com
> Phone: (608) 335-8068


-- 
Markus Neteler, PhD
http://www.mundialis.de - free data with free software
http://grass.osgeo.org
http://courses.neteler.org/blog


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