Dear OpenDX users,

does anybody have a good suggestion for the following task:

The data to visualize are 'Lagrangian', i.e., the form is
  value(x(t),y(t),z(t),t)
whereby 
   value(t)
is in one netCDF file and
   x(t), y(t), z(t)
are in the second netCDF file
(t is time, x,y,z are spatial coordinates).

To import and combine these data into a series object with
'positions' x(t), y(t), z(t), and 'data' value(t) is no problem!

However, we would like to visualize  a spatial
subset of these data (positions=x,y,z,data=value, time-series) for the 
complete time series (e.g., as 2D plot with value(t), i.e., with the time as 
axis).

Since both, the number of points (x(t),y(t),z(t)) and the length of the time 
series are very large, it is not possible to import the complete series in 
one step and then 'slice' or 'slab' a subset x,y,z!

Is there an efficient way to import a spatial subset of the data, rather than 
one time step of the series (which is straightforward with 'import'), or to 
create a respective object ?

Any comments are very much appreciated!
With kind regards ...

         Patrick Jöckel


-- 
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Dr. Patrick Joeckel
Max Planck Institute for Chemistry
Joh.-J. Becher Weg 27         
55128 Mainz                   phone:++49-6131-305452      
Germany                       fax  :++49-6131-305436     
                             e-mail:[EMAIL PROTECTED]
                         http://www.mpch-mainz.mpg.de/~joeckel
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Never trust an operating system you don't have sources for.

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