Re: java netCDF issue

• To: Emory Creel <emory@xxxxxxxxxxx>
• Subject: Re: java netCDF issue
• From: John Caron <caron@xxxxxxxxxxxxxxxx>
• Date: Thu, 02 Mar 2000 16:51:38 -0700

yes, the copy in/out is a bit tricky and crucial for performance.

speaking of performance, we are working on improvements to MultiArray
that make it quite a bit faster, especially for transpose and clip type
operations.  Its actually a different API and implementation.  We
probably wont release it till this summer. However, if you're
performance limited and want to have a look, let me know.

Emory Creel wrote:
> 
> I pretty much found a solution to the problem.
> Now I'm just copying only portions of the
> data out of the file, which was probably how
> it is supposed to be done.
> 
> When I wrote the program before, I did so in a hurry and wasnt'
> able to learn about all of the aspects of the java
> setup.
> 
> Thanks for taking the time on this, I appreciate it.
> 
> -Emory
> 
> John Caron wrote:
> 
> > I dont understand your notation
> >
> > > In terms of a netCDF file:
> > > var A:{ {11,12},{21,22},{31,32}}
> >
> > is this a 6 dimensional array ?
> >
> > > Dim0:{A, B, C}
> > > Dim1:{a, b}
> >
> > what does this mean?
> >
> > >
> > > I am trying to reoder the data into the following format
> > > (don't ask why...)
> > > A a 11
> > > A b 12
> > > B a 21
> > > B b 22
> > > C a 31
> > > C b 32
> >
> > what does this mean?