Re: running ferret from a CGI script

[Rodrigo Caballero <rca@xxxxxxxxxxxxxxxxxxx>]

yes, that was the problem, thanks.

the cgi script now works fine, i'd be happy to share my experience in 
doing this with anyone interested.

rodrigo

On Wednesday, March 10, 2004, at 02:45  PM, Steve Hankin wrote:

> Hi Rodrigo,
>
> Might the error message **ERROR: .gif: Permission denied." suggest 
> that the
> CGI process lacks the privileges needed to write a GIF file in that
> directory?
>
>     - steve
>
> =======================================
>
> Rodrigo Caballero wrote:
>
> > Hello,
> >
> > I have a somewhat technical question that I hope someone can help me
> > with.
> >
> > I'm trying to call ferret from a CGI script in order to read some 
> > data,
> > make a simple XY plot, plot it out to gif file, and then send the gif
> > back to the browser client. The CGI script sets up all the ferret
> > environment variables and then does
> >
> > ferret -gif < foo.jnl > /tmp/ferret.log,
> >
> > where foo.jnl is simply:
> >
> > file/skip=2/var=hour,toasw "/tmp/diurnal"
> > plot/vs/line hour,toasw
> > frame/file="/tmp/foo.gif"
> >
> > This works fine when I do it from the command line, but when I do it
> > from the CGI script I get the following error:
> >
> > **ERROR: .gif: Permission denied
> > gsetcolourrep()    7 GKS not in proper state: GKS shall be in one of
> > the states WSOP, WSAC or SGOP
> > gupdatews()    7 GKS not in proper state: GKS shall be in one of the
> > states WSOP, WSAC or SGOP
> > gclearws()    6 GKS not in proper state: GKS shall be either in the
> > state WSOP or in the state WSAC
> > ginqwsconntype()    7 GKS not in proper state: GKS shall be in one of
> > the states WSOP, WSAC or SGOP
> > gsetwswindow()    7 GKS not in proper state: GKS shall be in one of 
> > the
> > states WSOP, WSAC or SGOP
> > gescsetdcsize()    7 GKS not in proper state: GKS shall be in one of
> > the states WSOP, WSAC or SGOP
> > gupdatews()    7 GKS not in proper state: GKS shall be in one of the
> > states WSOP, WSAC or SGOP
> >   **ERROR: required program command has not been given: graphical 
> > output
> > device isnt ready
> >
> > I guess I should really be using the LAS, but I'd rather not get
> > involved in those intricacies. Any suggestions?
> >
> > Thanks,
> > Rodrigo
> >
> > ---
> >
> > Rodrigo Caballero Augi (http://geosci.uchicago.edu/~rca)
> > Research Associate
> > Department of the Geophysical Sciences, University of Chicago
> > 5734 South Ellis Avenue, Chicago, IL 60637, USA.
> --
>
> Steve Hankin, NOAA/PMEL -- Steven.C.Hankin@noaa.gov
> 7600 Sand Point Way NE, Seattle, WA 98115-0070
> ph. (206) 526-6080, FAX (206) 526-6744