Help! How to get the weather information of a point plot?
ricardo marcelo da silva
ricardom at ACD.UFRJ.BR
Sun Jan 30 16:44:44 EST 2005
fwrite outputs in binary, so you will not be able to open
it in a text editor like a ASCII file.
You can try to write it to a ASCII file, using
write command script. Note, it is not a GrADS command,
but a GrADS script command.
After that you can use PHP/Java,etc... to read that file.
On Sun, 30 Jan 2005 17:32:20 -0400, z z wrote
> Dear Lee
> Thanks for your reply. But I still have a question about the fwrite.
> For example:
> I want to collect the paramters value of the point(-90 45)) and write
> these paramters to a binary file. I wrote the script like this:
> 'set lon -90 -90'
> 'set lat 45 45'
> 'set t 1'
> 'set gxout fwrite'
> 'set fwrite output.dat'
> 'd z'
> 'd u'
> 'disable fwrite'
> The output.dat file was generated. But how can i open and read this
> file from another application? is it a standard binary file? I got
[UTF-8?]> this unreadable info "C pÂ·?Ã£Ë? " when I try to open this file in
> text editor.
> Is my understand right? expecting your response
> Thanks alot
> On Sat, 29 Jan 2005 18:05:27 -0700 (MST), labyerle at met.utah.edu
> <labyerle at met.utah.edu> wrote:
> > Harry,
> > If you want to use the data in another application you can use fwrite (see
> > grads index page), to write the parameter(s) to an unformatted binary
> > file.
> > Lee
> > > Dear all,
> > > Is there any way to get the weather value of one point plot using GrADS?
> > > For example:
> > > I set the longitude -90, latitude 46 (that will be a point), there are
> > > some weather parameter (such as u-wind, air temperature, etc) defined
> > > in the control file. How can I get these weather value(wind air
> > > temperature) of this point? so that these value can be called by
> > > another program (such as a Java application)
> > > Thanks in advance
> > > harry
> > >
Ricardo Marcelo da Silva
Universidade do Brasil
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