Should the MAP PROJECTION block be in the MAP object?
-----Original Message-----
From: mapserver-users-boun...@lists.osgeo.org
[mailto:mapserver-users-boun...@lists.osgeo.org] On Behalf Of William Hudspeth
Sent: Thursday, March 24, 2011 12:50 PM
To: mapserver-users@lists.osgeo.org
Cc: w...@unm.edu
Subject: [mapserver-users] Problem with cascading WMS reprojection
Hello,
I am trying to reproject a cascaded NASA MODIS NDVI raster. The original
raster is served as epsg:4326 from the NASA servers. It is using
version=1.3.0 and CRS-CRS:84. I am cascading it through my own mapserver
client/server and trying to reproject as epsg:26913 (utm zone13), where
the MAP projection and extents are in 26913.
My MAP projection looks like this:
MAP
.....
EXTENT 93549 3464749 694099 4065299
UNITS METERS
.....
END #END MAP OBJECT
PROJECTION
"init=epsg:26913" #UTM-Zone 13N
END #END MAP PROJECTION OBJECT
and, my LAYER definition looks like this:
LAYER
NAME "MOD13A2_E_NDVI"
TYPE RASTER
CONNECTION "http://neowms.sci.gsfc.nasa.gov/wms/wms?";
CONNECTIONTYPE WMS
STATUS ON
METADATA
"wms_name" "MOD13A2_E_NDVI"
"wms_server_version" "1.1.1"
"wms_srs" "EPSG:4326"
"wms_format" "image/jpeg"
"wms_latlonboundingbox" "-180 -90 180 90"
"wms_transparent" "FALSE"
END #METADATA
PROJECTION
"init=epsg:4326" #WGS84 Decimal Degrees
END #PROJECTION
END #LAYER
Interestingly, even though the MAP projection is NOT set to EPSG:4326, I
can make a successful request using epsg:4326. In all cases, the LAYER
metadata uses EPSG:4326.
So, while this request is successful:
http://edacwms.unm.edu/cgi-bin/mapfiles/epht_environment/epht_enviro_wms?version=1.1.1&SERVICE=WMS&REQUEST=GetMap&FORMAT=image/jpeg&STYLES=&SRS=EPSG:4326&BBOX=-120.000,26.000,-97.000,44.000&Width=600&Height=470&Layers=MOD13A2_E_NDVI
This one is NOT successful:
http://edacwms.unm.edu/cgi-bin/mapfiles/epht_environment/epht_enviro_wms?version=1.1.1&SERVICE=WMS&REQUEST=GetMap&FORMAT=image/jpeg&STYLES=&SRS=EPSG:26913&BBOX=93549,3464749,694099,4065299&Width=600&Height=470&Layers=MOD13A2_E_NDVI
where I get an error: msWMSLoadGetMapParams(): WMS server error.
Invalid SRS given : SRS must be valid for all requested layers.
Any insight would be greatly appreciated...
Bill
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