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Add EPSG:3857 as an additionally supported projection to a WMS service

Question asked by msbsmith on Dec 22, 2015
Latest reply on Dec 30, 2015 by msbsmith

Hello,

 

I have a published WMS service that supports EPSG:27700 (projection of the map document) and EPSG:4326.  I want to leave these as supported projections but also include EPSG:3857.

 

I've been reading online: Defining a custom projection for a WMS service—Documentation  (10.3 and 10.3.1) | ArcGIS for Server

about defining custom projections, but the example isn't described very well and after trying a few things I'm left rather confused.

 

I get the impression I can Edit the WMS service via Admin by adding the listCustomCRS property, however I don't know what value(s) to set to add EPSG:3857.  The example on the page says it "overwrites the definition of EPSG:3857 using another WKT string", but I don't want to overwrite it, I want to add it.  I've tried adding the property: "listCustomCRS": "EPSG:3857=DEFAULT", but this doesn't work, it could be because "DEFAULT" needs setting to something else, but how do I find out what?

 

So can anyone please give me the answer, how do I add EPSG:3857 as an additionally supported projection to a WMS service which is already supporting EPSG:27700 and EPSG:4326 (without changing the projection of the source map document, this is 27700)?

 

Thank you.

 

Mark.

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