The file is AAI/Grid. It runs -180 to 180 and -90 to 90. Will this be possible?
-----Original Message----- From: UMN MapServer Users List [mailto:[EMAIL PROTECTED] On Behalf Of Ed McNierney Sent: Thursday, February 16, 2006 1:07 PM To: [email protected] Subject: Re: [UMN_MAPSERVER-USERS] Polar reprojection (again) What is the file format and geographic extent of the raster image you're trying to reproject? Raster data in "lat/lon" projection (EPSG:4326) in polar regions is rather badly distorted if not undefined or infinite in extent. - Ed Ed McNierney President and Chief Mapmaker TopoZone.com / Maps a la carte, Inc. 73 Princeton Street, Suite 305 North Chelmsford, MA 01863 [EMAIL PROTECTED] (978) 251-4242 -----Original Message----- From: UMN MapServer Users List [mailto:[EMAIL PROTECTED] On Behalf Of Christopher Condit Sent: Thursday, February 16, 2006 3:44 PM To: [email protected] Subject: Re: [UMN_MAPSERVER-USERS] Polar reprojection (again) All my data is epsg:4326 Each layer has: PROJECTION "init=epsg:4326" END I want proj.4 to re-project this on the fly to a polar view, but it only works for vector data. > >What does the PROJECTION of your RASTER LAYER look like? It needs to match >whatever PROJECTION your raster data is in. >MAP > PROJECTION > "proj=laea" > "lat_0=-90" > END > LAYER > TYPE RASTER > PROJECTION > ??? > END > END >END -----Original Message----- From: UMN MapServer Users List [mailto:[EMAIL PROTECTED] On Behalf Of Charlton Purvis Sent: Thursday, February 16, 2006 12:18 PM To: [email protected] Subject: Re: [UMN_MAPSERVER-USERS] Polar reprojection (again) > Under certain application conditions, I need to re-project the map into a > polar view. To do this I change projection string to > > PROJECTION > > "proj=laea" > > "lat_0=-90" > > END > > This works very well for all of my vector data, but none of my raster data > appears. The raster data is in AAI/Grid format. Will this raster format > not re-project? Should I use a different projection string?
