[mapserver-users] Refreshing AWS credentials for the /vsis3/ driver

Even Rouault even.rouault at spatialys.com
Wed Oct 26 12:39:49 PDT 2016


Le mercredi 26 octobre 2016 21:37:14, Peter Schmitt a écrit :
> On Tue, Oct 25, 2016 at 2:04 AM, Even Rouault <even.rouault at spatialys.com>
> 
> wrote:
> > You're the first user of MapServer I'm aware of reporting use of /vsis3/
> > (for
> > those wondering what it is, see
> > http://www.gdal.org/cpl__vsi_8h.html#a5b4754999acd06444bfda172ff2aaa16)
> > Congrats !
> > 
> > You could do just what you mention by using the "CONFIG key value" syntax
> > in
> > the MAP object. See http://mapserver.org/mapfile/map.html
> > As mentionned in the doc, it is for MapServer config options, but also
> > for any
> > GDAL config option.
> 
> Thanks Even, this is exactly what I was looking for!  Mapserver rendering
> images with /vsis3/ works surprisingly for data appropriately prepared
> (JPEG-compressed with ycbcr, internal tiling, overview levels added).  Nice
> work on the vsis3 driver!

I've written recently a best practice for generating cloud optimized geotiffs:
https://trac.osgeo.org/gdal/wiki/CloudOptimizedGeoTIFF
(it mentions deflate compression, but jpeg-compressed can work of course)

> 
> Cheers,
> Pete

-- 
Spatialys - Geospatial professional services
http://www.spatialys.com



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