[OpenLayers-Users] Vector layer on top of SphericalMercator layer

[jrom]

I've tried this as you can see on the attached file.
In this case, the point appears on the map...but it is always on
lat=0/lon=0 nevermind the value of the WKT coordinates :(

On Wed, May 7, 2008 at 4:12 PM, Christopher Schmidt
<crschmidt at metacarta.com> wrote:
> On Wed, May 07, 2008 at 04:08:40PM +0200, jrom wrote:
>  > Hi,
>  >
>  > I am trying to reproject lat/lon vector ontop of commercial api using
>  > OpenLayers.
>  > I've spent quite a lot of time on a strange behaviour. My vector does
>  > not appear on the map when i switch on sphericalMercator to true...
>  >
>  > The problem is that the point does not appear at all on the map.
>  > However, when i switch sphericalMercator to false, it appears (but not
>  > on the right place at large scale due to projection difference)
>  >
>  > I really don't understand what i am doing wrong. I've check the
>  > projected coordinates and they are correct...
>  >
>  > Did someone experience such an issue ?
>
>  The layer is being turned off because it is 'out of range'. The reason
>  for this is that you have not defined the spherical mercator projection
>  propertpies on the map: this means that the overlay is pulling the
>  defaults from the map (which are in lon/lat) and therefore has a
>  resolutions range of 1.40625 -> some very small number, while your
>  spherical mercator layer has a range of 150000ish -> 100ish, and the end
>  result is that your layer is never on.
>
>  Copy the options from the map creation in the spherical-mercator.html
>  example, and add them to your map constructor, and your layer should
>  appear.
>
>  -- Chris

-- 
jrom.
http://www.ombresetlumieres.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.osgeo.org/pipermail/openlayers-users/attachments/20080507/0b48afcd/sphericalMercator.html