[mapserver-users] Mapserver WMS Reprojection

2013-05-19 Thread Donald Kerr
Hi List,

I am trying to reproject a WMS request from 27700 (UK Ordnance Survey) to
900913 (OSM OpenStreetMap) without success. There no issue with the map file
map or layer definitions in terms of serving up the WMS in 27700 but
reprojection seems to fail. There appears to be very little online and I
cannot find a solution; hence this request for help or advice.

Relevant parts of map file (some parts removed):

PROJECTION
init=epsg:27700
END

WEB
METADATA
wms_title My WMS
wms_onlineresource  http://localhost/mapserver/mapserv.asp?;
wms_srs EPSG:27700  EPSG:900913
wms_enable_request *
wms_abstract My WMS 
wms_extent 0 0 67 123
wms_feature_info_mime_type text/plain
wms_feature_info_mime_type text/html
wms_feature_info_mime_type application/vnd.ogc.gml #
info_format=application/vnd.ogc.gml
...

Layer:

METADATA
wms_title CME
wms_extent 0 0 67 123
#wms_srs EPSG:27700 EPSG:900913
wms_include_items all # No spaces
gml_include_items all # No spaces
gml_featureid ID
END

PROJECTION
init=EPSG:27700
END # PROJECTION

Openlayers request:

http://maps1/cgi-bin/mapserv.exe?MAP=D:\MyMapFile.mapLAYERS=CMETRANSPARENT
=TRUEFORMAT=pngSERVICE=WMSVERSION=1.1.1REQUEST=GetMapSTYLES=SRS=EPSG%3
A900913BBOX=-484682.60504583,7512726.3043776,-415889.27960147,7547122.96709
97WIDTH=900HEIGHT=450

The result is a transparent image with no data showing. :( The same map file
works correctly and serves an image if used with Openlayers and a map on
EPSG 27700 so it's pointing at the reprojection of the BBOX maybe.

What am I doing wrong? Any help greatly appreciated.

Many thanks.

Regards,

Donald

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Re: [mapserver-users] Mapserver WMS Reprojection

2013-05-19 Thread Donald Kerr
Slight mistake below; the projection definition in the layer is as follows
with epsg in lowercase as I am led to believe that it should be so:
init=epsg:27700

-Original Message-
From: mapserver-users-boun...@lists.osgeo.org
[mailto:mapserver-users-boun...@lists.osgeo.org] On Behalf Of Donald Kerr
Sent: 19 May 2013 20:36
To: mapserver-users@lists.osgeo.org
Subject: [mapserver-users] Mapserver WMS Reprojection

Hi List,

I am trying to reproject a WMS request from 27700 (UK Ordnance Survey) to
900913 (OSM OpenStreetMap) without success. There no issue with the map file
map or layer definitions in terms of serving up the WMS in 27700 but
reprojection seems to fail. There appears to be very little online and I
cannot find a solution; hence this request for help or advice.

Relevant parts of map file (some parts removed):

PROJECTION
init=epsg:27700
END

WEB
METADATA
wms_title My WMS
wms_onlineresource  http://localhost/mapserver/mapserv.asp?;
wms_srs EPSG:27700  EPSG:900913
wms_enable_request *
wms_abstract My WMS 
wms_extent 0 0 67 123
wms_feature_info_mime_type text/plain
wms_feature_info_mime_type text/html
wms_feature_info_mime_type application/vnd.ogc.gml #
info_format=application/vnd.ogc.gml
...

Layer:

METADATA
wms_title CME
wms_extent 0 0 67 123
#wms_srs EPSG:27700 EPSG:900913
wms_include_items all # No spaces
gml_include_items all # No spaces
gml_featureid ID
END

PROJECTION
init=EPSG:27700
END # PROJECTION

Openlayers request:

http://maps1/cgi-bin/mapserv.exe?MAP=D:\MyMapFile.mapLAYERS=CMETRANSPARENT
=TRUEFORMAT=pngSERVICE=WMSVERSION=1.1.1REQUEST=GetMapSTYLES=SRS=EPSG%3
A900913BBOX=-484682.60504583,7512726.3043776,-415889.27960147,7547122.96709
97WIDTH=900HEIGHT=450

The result is a transparent image with no data showing. :( The same map file
works correctly and serves an image if used with Openlayers and a map on
EPSG 27700 so it's pointing at the reprojection of the BBOX maybe.

What am I doing wrong? Any help greatly appreciated.

Many thanks.

Regards,

Donald

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