[OpenLayers-Users] display a border at the end of the world

杨华杰 yhjhoo at gmail.com
Mon Mar 11 17:42:12 PDT 2013


I am using POSTGIS, what can I do with that?


On Tue, Mar 12, 2013 at 4:26 AM, Phil Scadden <p.scadden at gns.cri.nz> wrote:

> "It's better to have a general solution."
>
> Backend databases that maintain geometry POSTGis, Oracle SDO, and ArcGIS
> SDE all have their own market interests and drivers. With that go their own
> peculiarities. You cannot at either geoserver or openlayers side, do
> anything about topology management at the database end of it. You have to
> live and work around what is provided. A general solution would only be
> possible if all the database vendors did it. The sad truth is that very few
> people need to maintain topologies across the 180 line so its bottom of the
> list for these vendors. If my memory serves me right, the first time ESRI
> promised us a fix for the 180 issues was in 1988. "Next version" said our
> rep. We finally got something that worked for "many" cases in around 2002.
> A general solution for all projections? Still waiting - and that is just
> one vendor. When you save a geometry to geoserver, it ultimately has to
> write that into whatever your backend database is.
>
>
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