I am using Geoserver to serve the maps. I was assuming this is a proper approach to accessing maps from different servers. I am trying to display watershed maps, created by different organizations so potentially in different projections, on a map of North America that is in a projection I defined within Geoserver. I actually have the boundary maps for the watersheds, and expect to probably always be the one serving them, so I can redefine their projections if necessary. I was trying to avoid that though, because I'm guessing they have a reason for the projections they chose.

Any help would be appreciated.

Amy

Olivier Terral wrote:
Hi
You must used a webservice like geoserver of mapserver to reproject
automatically each layer but in your web map, only one epsg (specified in
context doc)  is used for all layer.





Steven M. Ottens wrote:
Amy Johnson wrote:
How do I create a map with layers that have different epsg values? I am putting the values for an EPSG and coordinates in the BoundingBox tag, but it is not clear to me how to use this for maps with differing EPSGs and coordinates that are using differing coordinate systems.
Hi Amy,

It is not a usual usecase to have multiple projections in one map, normally maps with different projections don't fit on top of each other. Could you explain a bit more what you are trying to achieve? The new proj4js library is able to reproject coordinates to a certain level, but it's not capable to reproject images (since the browser is not capable of doing so).

Regards,
Steven
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