[OSM-dev] slippymap doesnt wrap around +-180deg

Christopher Schmidt crschmidt at metacarta.com
Fri Apr 11 12:46:01 BST 2008

On Fri, Apr 11, 2008 at 01:14:35PM +0200, Stefan Baebler wrote:
> On Fri, Apr 11, 2008 at 11:46 AM, Tom Hughes <tom at compton.nu> wrote:
> >  > Should be fairly easy to fix that with openlayers:
> >  > http://openlayers.org/dev/examples/wrapDateLine.html
> >
> >  I don't think so. The tiles look like they are wrapping round just
> >  fine at the moment - the problem is that the name crosses the tile
> Actualy no, it doesn't wrap around 180 at the moment.
> See the bug on URL initially provided by Luka
> http://www.openstreetmap.org/?lat=-41.47&lon=-179.23&zoom=6
> and try moving the map to the right (seeing more to the left).

Right. Tiles wrap, the map doesn't. The wrapDateLine option should
accomodate for this use case.

> >  boundary and the renderer hasn't rendered the other half of the
> >  name on the other tile I think.
> That is another, totally separate rendering problem.

Which can't be fixed by OpenLayers.

Christopher Schmidt

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