[gradsusr] SeaWIFS NDVI data

[Matt Alonso]

GENIUS!!!  I guess I must've tried every option but hdf4.  Thanks so much
for your help w/this.  I was able to find a kludgy workaround using gdal and
imagemagick but I much prefer using GrADS for several reasons not the least
of which is the fact that the other method took ~2.5 minutes to make the
same plot that GrADS can make is just over 1 second.

Thanks again.

Cheers,
Matt

On Mon, Apr 5, 2010 at 3:54 PM, Huddleston, John <
Huddleston at cira.colostate.edu> wrote:

> Matt, see the following for the specifications.
>
> http://oceancolor.gsfc.nasa.gov/DOCS/Ocean_Level-3_SMI_Products.pdf
>
> The control file is something like:
>
> dset ^S20100652010072.L3m_8D_LAND_NDVI_4km
> dtype hdf4
> title SeaWiFS Level-3 Standard Mapped Image
> undef -1 Fill
> unpack Slope Intercept
> options yrev
> xdef 8640 linear -179.9791667   0.04166666667
> ydef 4320 linear -89.97916667    0.04166666667
> zdef 1 linear 1 1
> tdef 1  linear 00:00Z23apr2006 1dy
> vars 1
> l3m_data=>sea  1 y,x l3m_data
> endvars
>
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