[Mapserver-users] blank image--white empty image box

don mamwake at yahoo.com
Sat Oct 18 01:08:57 PDT 2003


thanks very much for the pointers but after adding
below lines, every thing now is wierd
 
PROJECTION
    "proj=latlong"
 END

Server error!

The server encountered an internal error and was
unable to complete your request.

    Error message:
Premature end of script headers: mapserv 

httpd log:

[Sat Oct 18 10:07:09 2003] [error] [client
192.168.30.200] Premature end of script headers:
mapserv
[Sat Oct 18 10:07:09 2003] [error] [client
192.168.30.200] mapserv: mapfile.c:790:
msProcessProjection: Assertion `p->proj == ((void
*)0)' failed.
[Sat Oct 18 10:38:26 2003] [error] [client
192.168.30.200] Premature end of script headers:
mapserv
[Sat Oct 18 10:38:26 2003] [error] [client
192.168.30.200] mapserv: mapfile.c:790:
msProcessProjection: Assertion `p->proj == ((void
*)0)' failed.


--- Joe Bussell <joe at otsys.com> wrote:
> Looks like TestRegion is the only layer that you
> have turned on.  Is this your intent?
> 
> Try using a straight in-line layer like:
> 
> LAYER
>    name     background
>     TYPE    polygon
>     STATUS ON
>     CLASS
>         NAME "World"
>         OUTLINECOLOR    0 0 0
>         COLOR    30 144 255
>         SIZE    1
>         SYMBOL  0
>     END
> 
>     FEATURE
>         POINTS 
>             -180 90 
>             -180 -90 
>             180 -90
>             180 90
>             -180 90 
>         END
>     END
> END
> 
> My points are in lat/lon.  I notice that in your
> mapfile you are specifiing meters.  You will have to
> adjust the range accordingly.  I use 
> 
> PROJECTION
>     "proj=latlong"
> END
> 
> as all my data is in lat/lon.  I do not see a
> projection declaration in your mapfile.  
> 
> You are also declaring a shapepath of "data".  To be
> honest I am unsure what the result of this will be. 
> Is this path supposed to be absolute?  Try setting
> it to the absolute path of your test_region.shp
> directory.
> 
> Don't give up now, you are halfway there...
> 
> Cordially,
> 
> Joe Bussell
> www.TrafficDodger.com


=====
don

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