Tif won't display

Tim Schaub tim at COMMENSPACE.ORG
Tue Oct 4 08:11:55 PDT 2005


> No error messages ever are displayed.  I have checked the map 
> file using the shp2img tool and get a 159 byte image returned 
> that is blank.  The tiff works fine in ArcView and has the 
> same projection as all my other data.

Looks like your TIFF is in a different coordinate system (map: state
plane feet, TIFF: UTM meters).  Your map EXTENT and TIFF extent don't
overlap.

>   EXTENT 4523731 708810 5081065 996372
>   UNITS FEET
>   PROJECTION Oregon SP South
>     "init=epsg:32127"
>   END

>     PROJECTION["Transverse_Mercator"],
>     UNIT["metre",1,
...
> Upper Left  ( 1002578.640,  117637.560) (121d19'26.51"W, 44d 
> 3'31.10"N) Lower Left  ( 1002578.640,  116829.840) 
> (121d19'26.49"W, 44d 3'4.93"N) Upper Right ( 1003386.360,  
> 117637.560) (121d18'50.22"W, 44d 3'31.11"N) Lower Right ( 
> 1003386.360,  116829.840) (121d18'50.21"W, 44d 3'4.94"N)

Try specifying the PROJECTION for your TIFF.

Tim



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