[mapserver-users] Mapserver Projection Errors
jmckenna at gatewaygeomatics.com
Wed Oct 19 09:07:12 EDT 2011
On 11-10-19 9:45 AM, SixDegrees wrote:
> I have a mapfile that contains several layers. Each layer has its own
> projection, given in Proj.4 format, so the projection block looks like this:
> "+proj=longlat +ellps=WGS84 +towgs84=0,0,0,0,0,0,0 +no_defs"
> "+proj=utm +zone=39 +ellps=WGS84 +towgs84=0,0,0,0,0,0,0 +units=m
> These seem to display properly when served directly to a web page, or when
> loaded into QGis - in both cases as a WMS layer. But in the latter case, my
> mapserver log fills up with the error message
> msProcessProjection(): Projection library error. projection not named
> Access directly through the website, involving a Mapserver request for a WMS
> layer, produces no errors.
> What is causing this? And should I be worried about it?
I don't have your answer, but I know I have hit issues with PROJ.4 use
in WMS layers before (http://trac.osgeo.org/mapserver/ticket/2028),
maybe give that discussion a read...Daniel wrote some good words of
advice in it.
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