[mapserver-users] Runtime Substitution Not Working

[Ryan Dussiaume]

Hi,

I'm trying to use runtime substitution to replace the DATA setting of the Mapfile at runtime.  I'm running in tile mode and using GRD raster format.

Here's the mapfile:
MAP
    NAME Blah2
    STATUS ON
    SHAPEPATH "C:/Contours/FSGrids"
    PROJECTION "init=epsg:26918" END
    LAYER
        NAME Contour
        TYPE RASTER
        STATUS ON
        DATA '%file%'
        CLASS
            NAME "Contour"
        END
        PROJECTION "init=epsg:26918" END
    END # Layer
END

And here is a sample request for one of the tiles that I've copied from Fiddler ...

http://<my server>/cgi-bin/mapserv.exe?map=C:/ms4w/Maps/mapfile2.map&file=Site_1_1_1_Total.grd&mode=tile&layers=Contour&tilemode=ve&tile=03023032203031<http://%3cmy%20server%3e/cgi-bin/mapserv.exe?map=C:/ms4w/Maps/mapfile2.map&file=Site_1_1_1_Total.grd&mode=tile&layers=Contour&tilemode=ve&tile=03023032203031>

If I put the filename directly in the DATA setting of the mapfile it works fine and I see the grid in Virtual Earth.  If I try to use runtime substitution to put the file name it just produces blank tiles.

Any help is very much appreciated, thanks!

Ryan
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