[Mapserver-users] Large Raster files

Tyler Mitchell TMitchell at lignum.com
Tue May 18 11:19:02 EDT 2004

You still need to setup PROJECTION for your ortho layers so that Mapserver 
knows what projection they are in.  Have you done that?

mapserver-users-admin at lists.gis.umn.edu wrote on 05/18/2004 03:53:41 AM:

> I have a question regarding the relationship between PROJECTION and 
> EXTENT for the display of layers in the mapfile  (mapserve src 4.02 and 
> the new 4.2beta) I have managed to get a custom region working using the 

> mapderve cgi tutorial files as a start. I have successfully displayed 
> and tiled natural color ortho tiffs in EPSG:32115 (NY East state plane), 

> and I have succeeded with a UTM location that displays shape files in 
> EPSG:26918 (UTM 18N NAD83 GRS80).
> I have downloaded 302 world-file-referenced tiffs with the 1:24000 scale 

> topo info for NYS. These are in EPSG:26918 (UTM 18NnAD83 GRS80)  and the 

> extents, coordinate system and mapping have been verified in my GIS 
> program (grass 5.03).  These files will not display, neither as single 
> maps nor as a tiled map, even though the shapefile for the TILEINDEX 
> (with the exact same coord parameters) displays just fine (I even got a 
> county line shapefile map in latlong coordinates to plot properly on the 

> UTM basemap). No errors in the logs.  I used .tfw and .wld and internal 
> GeoTiff (gdal_translated) files all with the same null result.
> I have searched and read the posts on related problems, and it seems I 
> have considered al the possibilities listed. I tried a gdalwarp into 
> state plane (tiff output) coordinates to see if I could "TRANSFORM" it 
> onto the base EPSG:26918 map, but failed to get anything more than the 
> blank map frame.
> Is there something about UTM and EPSG I am missing, at least as they 
> concern mapserver?
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