On Thu, Aug 08, 2002 at 06:34:16PM -0600, Dave Brown wrote:
>I'm not familiar with the EASE grid but I just did a Google search for
>it. I'm guessing you would be using a South azimuthal equal-area grid
>which I believe should work with the new implementation.
Yes, that's the same grid I'm using. Mine is just tailored to my
specific application (naturally).
>I'm not sure I totally understand your situation, but if the invalid
>data locations are clustered into identifiable regions (i.e. not
>scattered throughout the whole data domain) then I think you could
>simply stuff missing values into these locations in the data grid,
>and the contouring code would be able to handle it.
We have two types of "invalid": where we really have no data and
where the data are outside our domain of interest. The domain itself
is just a nominally convex interior subset of the larger grid that
is also nowhere near rectangular (hence resorting to lists of data
and assoc. lat/long). However, if this new contouring code is as
good as it sounds, I'll find a way to produce a rectangle if I have
to and populate with UNDEFs as needed.
The possibility also exists, depending on grid resolution, that
there could be interior missing data. I'll assume that will also
work until shown otherwise.
So is this functionality available yet? If so, how do I use it?
If not, how soon can I expect to see it? I'd be happy to test it
for you (on linux) if that would help.
thx,
dave reusch
dbr AT geosc.psu.edu
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