Not knowing much about how the OL3 works, could a new UI checkbox (off by 
default) be added to the layer preview screen under the “…” icon to turn 
wrapping on/off?

Chris Snider
Senior Software Engineer
Intelligent Software Solutions, Inc.
[Description: Description: Description: cid:[email protected]]

From: Andrea Aime [mailto:[email protected]]
Sent: Wednesday, August 10, 2016 9:28 AM
To: Andreas Hocevar <[email protected]>
Cc: geoserver-devel <[email protected]>; Bart van den 
Eijnden <[email protected]>
Subject: Re: [Geoserver-devel] GeoServer OpenLayers Preview - new 
ol.proj.Projection

On Tue, Aug 9, 2016 at 11:12 PM, Andreas Hocevar 
<[email protected]<mailto:[email protected]>> wrote:
My recommendation would be to not consider the current behaviour a
bug, and make the GeoServer preview not wrap the globe at all.

This is a significant regression for those mapping near and across the 
dateline, they
need to see the map wrap (yes, they can build their own custom client to do 
that,
but the preview would be almost useless to them).

Torben, if we cannot make OL3 work as OL2, here is my suggestion: in java code, 
try to build
a ProjectionHandler for the target projection using the ProjectionHandlerFinder 
and the
current geoserver settings vs wrapping, and if the object you get back is a 
WrappingProjectionHandler,
then raise whatever flag makes OL continously wrap the map.

If not even that works, hmmm... we'll have to consider offering the possibility 
to
switch to OL2 or some other mapping library as a visible option in the UI, 
instead
of using the current system variable trick.

Cheers
Andrea


--
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Ing. Andrea Aime
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