[mapserver-dev] Downloading GeoTIFFs with overviews from WCS

Rahkonen Jukka (MML) jukka.rahkonen at maanmittauslaitos.fi
Tue May 2 13:15:16 PDT 2017

Hi Michael,

I don't believe that overviews could be created by fiddling with outputformat. The usual GDAL workflow is to create overviews as post-processing step with gdaladdo.


-----Alkuperäinen viesti-----
Michael Smith wrote:
Re: [mapserver-dev] Downloading GeoTIFFs with overviews from WCS


Can you specify the overview creation in the format options to the geotiff driver?


Michael Smith

Remote Sensing/GIS Center
US Army Corps of Engineers

On 5/2/17,  3:12 PM, "mapserver-dev on behalf of Rahkonen Jukka (MML)"
<mapserver-dev-bounces at lists.osgeo.org on behalf of jukka.rahkonen at maanmittauslaitos.fi> wrote:

>For downloading raster images from WCS so that they could used directly 
>in applications in most effective way they should be tiled, compressed, 
>and include overviews. Compression and tiling can be handled fine with 
>Mapserver and GeoTIFF Coverage Encoding Profile extension. Only thing 
>that is missing is the creation of overviews on the server side.
>If Mapserver would be able to deliver GeoTIFFs enhanced with overviews 
>some days, would it be then from WPS through some CreateOverviews 
>process, or from WCS by applying out own vendor options?
>-Jukka Rahkonen-
>mapserver-dev mailing list
>mapserver-dev at lists.osgeo.org

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