[mapserver-users] max size of raster via WCS GetCoverage request

[Rahkonen Jukka]

For our server the practical limit is somewhere around 5000x5000 pixels which makes 75 MB per image.  Our users have been satisfied with that so I have not bothered to study how to increase the limit.  If the outputformat is geotiff the images can be easily combined later. Users are downloading aeriel images for local use by sending the bounding box and desired output resolution. Stay with WCS 1.0 if you do not have any very special needs, WCS 1.1.0 is an odd invention as a standard.

-Jukka Rahkonen-

John Cartwright wrote:

> Thanks for your quick response Jukka.

So the MAXSIZE sets the maximum size of the map image (e.g. WMS request)
as well as the size of the raster downloaded  with a WCS GetCoverage
request?  There's no provision to allow a larger data download than map
image?

This seems to have changed sometime between 5.6.3 and 6.0.1, but I
didn't see mention in the release notes.

--john

On 10/21/2011 01:17 PM, Rahkonen Jukka wrote:
> Hi,
>
> See MAXSIZE http://mapserver.org/mapfile/map.html
>
> -Jukka Rahkonen-
>
> John Cartwright wrote:
>
>
>> Hello All,
>> I'm finding that a WCS GetCoverage request which results in a large grid
>> works on mapserver 5.6.3, but on 6.0.1 returns an error message:
>> msWCSGetCoverage(): WCS server error. Raster size out of range, width
>> and height of resulting coverage must be no more than MAXSIZE=2048.
>> Is there a way to alter this limit in the mapfile?
> Thanks!
>
> --john
>
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