Hi,

Multipart is correct for WCS 1.1.x. If you just begin with WCS and do not have 
any special reason to use 1.1.x then I recommend WCS 2.0. It is much less odd 
than 1.1.x.

The standard texts are in https://www.ogc.org/standard/wcs/

-Jukka Rahkonen-

Lähettäjä: Scott Lewis <gle...@colorado.edu>
Lähetetty: keskiviikko 7. helmikuuta 2024 23.58
Vastaanottaja: geoserver-users@lists.sourceforge.net
Aihe: [Geoserver-users] WCS and multipart/mixed response


Hi, I am still somewhat of a new user of Geoserver (and of W*S in general); I 
know some of the basics, but am starting to work on specific use-case 
implementations for the project I'm on.

I have a store/layer setup on a local instance, and can get the WMS image as 
expected.  However, when I did a WCS requeset, I was able to get a result, but 
the result was in a "multipart/mixed" response, and I had to manually go in and 
extract the TIF image from the second part.  Is this normal for WCS responses?  
Or is there something perhaps configured incorrectly with the WCS server.

For example, here's the URL I used to make the request (semi-redacted):

https://HOSTNAME/geoserver/NSIDC/wcs?service=WCS&version=1.1.0&request=GetCoverage&identifier=IDENTIFIER&BoundingBox=-900000,-900000,900000,900000,EPSG:3411&format=image/geotiff

And the first part of the response:

MIME-Version: 1.0
Content-Type: multipart/mixed;
    boundary="----=_Part_75_128209765.1707259235983"

------=_Part_75_128209765.1707259235983
Content-Type: text/xml
Content-Transfer-Encoding: 7bit
Content-ID: <urn:ogc:wcs:1.1:coverages>

<?xml version="1.0" encoding="UTF-8"?><wcs:Coverages 
xmlns:wcs="http://www.opengis.net/wcs/1.1.1";<http://www.opengis.net/wcs/1.1.1> 
xmlns:xlink="http://www.w3.org/1999/xlink";<http://www.w3.org/1999/xlink> 
xmlns:ogc="http://www.opengis.net/ogc";<http://www.opengis.net/ogc> 
xmlns:ows="http://www.opengis.net/ows/1.1";<http://www.opengis.net/ows/1.1> 
xmlns:gml="http://www.opengis.net/gml";<http://www.opengis.net/gml> 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";<http://www.w3.org/2001/XMLSchema-instance>
 
xsi:schemaLocation="https://HOSTNAME/geoserver/schemas/wcs/1.1.1/wcsCoverages.xsd";<https://HOSTNAME/geoserver/schemas/wcs/1.1.1/wcsCoverages.xsd>><wcs:Coverage><ows:Title>TITLE</ows:Title><ows:Abstract>Generated
 from 
ImageMosaic</ows:Abstract><ows:Identifier>IDENTIFIER</ows:Identifier><ows:Reference
 xlink:href="cid:theCoverage"<cid:theCoverage>/></wcs:Coverage></wcs:Coverages>
------=_Part_75_128209765.1707259235983
Content-Type: image/tiff
Content-Transfer-Encoding: base64
Content-ID: <theCoverage>

TU0AKgAAAAgAEQEAAAMAAAABATAAAAEBAAMAAAABATAAAAECAAMAAAABACAAAAEDAAMAAAABAAEA
AAEGAAMAAAABAAEAAAEVAAMAAAABAAEAAAEaAAUAAAABAAAA3AEbAAUAAAABAAAA5AEoAAMAAAAB
AAEAAAFCAAMAAAABATAAAAFDAAMAAAABATAAAAFEAAQAAAABAAABkgFFAAQAAAABAAWkAAFTAAMA
AAABAAMAAIXYAAwAAAAQAAAA7IevAAMAAAAQAAABbKSBAAIAAAAGAAABjAAAAAAAAAAAAAEAAAAB

.... (more)

Thanks in advance.  I've tried looking for documentation, but either my 
searching skills are just poor, or I'm misunderstanding what I've read.

Scott Lewis
NSIDC
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