grads on win XP

[See Hai Ooi]

Hi Monica,

   I did the following testings of the above problem
in three different computers:-

(i) Computer A (Dell pentium for use by one person
only)
     Operating system : Window XP (in directory C);
     GrADS: version 1.8SL9 (in directory C);
     an x-server installed in directory C ;
     no cygwin installed and tmp (not temp)
subdirectory in C;
     data and workarea for GrADS in directory D.

     GrADS works beautifully !

(ii) Computer B (NEC pentium for multiusers with one
administrator and only one directory C (=> no further
partition) )
      Operating system : Window XP;
      GrADS version 1.8SL9 and same x-server installed
by user O in directory C after entering his own user
signon slot;
      cygwin installed by user E in C after entering
the administrator's slot;
      no tmp subdirectory created in C;
      data and workarea for GrADS in user O's
subdirectory;

      GrADS also works beautifully !

(iii) Computer C (Acer pentium used mainly by one
person and shared occasionally by others)

      Operating system: Window XP;
      GrADS version 1.8SL9 and same x-server installed
in directory C;
      cygwin installed in C;
      tested with tmp and no tmp subdirectory created
in C;
      data and workarea for GrADS in directory D.

      Same problems occurred with/without tmp
subdirectory in C as shown in the following two
examples:-

Example (1):- [not for netcdf file as in example 2]
-----------
     open d:\ncep\4898\data\hgt25.ctl
     scanning description file:
d:\ncep\4898\data\hgt25.ctl
     open error: data file type invalid
     --> the invalid description file record is:
     -> dtype grib
     the data file was not opened.

Example (2):-
------------
     (a) sdfopen d:\cdc\slp\slp.1979.nc
         d slp/100
         the chart plotted appeared OK !

     but when I did
     (b) sdfopen d:\cdc\slp\slp.1979.nc
         set lon 100
         set lat 5
         set t 1 3
         d slp/100

         the graph plotted is OK but grads window
shows the following display (this does not appears in
computers A and B):-

gxstart=0, gxstop=1, gystart=0, gystop=1
gzstart=0, gzstop=1, gtstart=0, gtstop=3
gxstart=0, gxstop=1, gystart=0, gystop=1
gzstart=0, gzstop=1, gtstart=0, gtstop=3
gxstart=0, gxstop=1, gystart=0, gystop=1
gzstart=0, gzstop=1, gtstart=0, gtstop=3

    I am puzzled ! Hope you, Derek or anyone else can
help to throw some light on this outcome before I try
to delete cygwin and reinstall GrADS in computer C as
you did to test the new outcome.

    Thank you and best regards.

Ooi



--- Monica Ionita <monica.ionita at METEO.INMH.RO> wrote:

> Usually one of the problems with Windows XP and
> Grads comes when you have
> installed on windows Cygwin ( the Linux environment
> for Windows).
> Cygwin uses the same dll files as Grads and
> overwrites the dll file of
> Grads, making Grads mostly unusable. You can open
> Grads, but is rather
> impossible to open the descriptor file.
> I had this problem, so after I delete Cygwin and
> reinstall Grads everything
> was O.K.
> This could be one of the problems for which Grads is
> not opening your
> descriptor file.
>
> Monica Ionita
>


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