Re: equal area projection

Hi David,
  Your examples are exactly what I was looking for. Thanks,
  Lei

On Tue, Mar 23, 2010 at 2:54 PM, David Brown <dbrown@ucar.edu> wrote:

> This sounds similar to a grid used by ISCCP (see
> http://isccp.giss.nasa.gov/docs/mapgridinfo.html). NCL can plot this sort
> of grid directly using the triangular mesh method if you simply pass in the
> data and lat/lon locations as 1D arrays. I am attaching some sample ISCCP
> data and an NCL script that plots it. It does reveal a limitation with the
> plotting method: on a global Cylindrical Equidistant projection the edges do
> not fill out completely at the corners and the poles. It looks better in an
> orthographic projection.
> -dave
>
>
>
> You will need to modify the script a bit to get it to read the file in the
> current directory and plot to your preferred workstation.
> -dave
>
> On Mar 23, 2010, at 12:05 PM, Lei Meng wrote
>
> Hi,
>> I was wondering if there is a way in NCL to plot global data with equal
>> area spatial resolution (i.e., equal area grid of 0.25 degree by 0.25 degree
>> at the equator). The data has more grid cells near equator and less grid
>> cells in high latitude. Any suggestions would be appreciated.
>> Lei _______________________________________________
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>
>
>

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Received on Tue Mar 23 13:10:38 2010