Re: netCDF: Regularly-spaced coordinates
Barbara Mihalas (bmihalas@ncsa.uiuc.edu)
Wed, 25 Mar 92 15:15:54 CST
<> From steve@unidata.ucar.edu Wed Mar 25 14:45:43 1992
<> Date: Wed, 25 Mar 1992 13:34:32 -0700
<> From: Steve Emmerson <steve@unidata.ucar.edu>
<> To: netcdfgroup@unidata.ucar.edu
<> Subject: Re: netCDF: Regularly-spaced coordinates
<>
<> > I just propose we streighten out more than the issue of the
<> >regularly spaced grids. Why don`t we want the whole pie: the concept
<> >for storage of grids of different complexity and mathematical
<> >generality. I could imagine something like this:
<> >
<> >general grids ----> quadrilateral ---> rectangular ---> reqularly spaced
<> > | / | \
<> > |--> triangular / | \
<> > | linear | other important
<> > |--> other logarithmical
<>
<> Looks like a perfect candidate for a C++ class hierarchy.
<>
<> Anyone seen such a beast?
<>
<> Steve Emmerson <steve@unidata.ucar.edu>
<>
We are looking at the related issue here of representation
of multigrid data. Where there is a large, coarse 3-D grid
(assume rectangular for sanity), and then subsets of it will
be regridded onto a finer mesh. This can be done hierarchically
with several layers of increasingly refined subgridding.
Multigrid may be the way to handle difficult 3-D fluid dynamics
problems, and is being explored by a number of adventurous
fluid dynamicists.
Any netcdfers have ideas on representation strategies?
--Barbara Mihalas bmihalas@ncsa.uiuc.edu
