All right, the SCALESIZE axis are output grid axes which are named as i and j 
in DescribeCoverage
gml:axisLabels>i j</gml:axisLabels
So the E and N which are used for subset are wrong for SCALESIZE

Another thing is that i and j can't be used as it but they require URI for the 
axis. So this is a working query:

http://localhost:8080/geoserver/wcs?service=WCS&version=2.0.1&request=GetCoverage&coverageID=sf__sfdem&SUBSET=E(589980,590000)&SUBSET=N(4913700,4923700)&SCALESIZE=http://www.opengis.net/def/axis/OGC/1/i(200),http://www.opengis.net/def/axis/OGC/1/j(200)

Now I wonder if it is necessary and useful to require that long format for axis 
names. The KVP examples in the Scaling Extension standard are using this short 
and more human-writable syntax:
…& SCALESIZE=i(1000),j(1000),k(10) &…

-Jukka-

________________________________________
Lähettäjä: Rahkonen Jukka (MML)
Lähetetty: 21. maaliskuuta 2017 20:03
Vastaanottaja: 'Geoserver-devel'
Aihe: [Geoserver-devel] WCS 2.0.1 with SCALESIZE

Hi,

Is there something wrong with this GetCoverage?

localhost:8080/geoserver/wcs?service=WCS&version=2.0.1&request=GetCoverage&coverageID=sf__sfdem&SUBSET=E(589980,590000)&SUBSET=N(4913700,4923700)&SCALESIZE=E(200),N(200)

The error from GeoServer 2.11-RC1 is
"ScaleAxisUndefined" locator="E">

-Jukka Rahkonen-
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