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Re: Land Mask data set available? (in lat and lon) [message #29317 is a reply to message #29254] Sun, 10 February 2002 13:02 Go to previous message
Mark Hadfield is currently offline  Mark Hadfield
Messages: 783
Registered: May 1995
Senior Member
"Robert Stockwell" <rgs1967@hotmail.com> wrote in message
news:3C63E83E.8000700@hotmail.com...
> Mark Hadfield wrote:
>
>> I don't have a land-mask data set, but I do have a routine that
>> calculates a land mask (in fact a land fraction) for a specified
>> grid using vector shoreline data from the GSHHS data set:
>>
>> http://www.ngdc.noaa.gov/mgg/shorelines/gshhs.html
>
>
> Thanks for the info Mark. I took a look at the webpage, and it looks
> promising. Is your routine in entirely in IDL, partly in IDL, or C.
> (do you use the C code to read the data that they provide?)

It appears that there are other datasets more suitable for your
purposes, but for the record my GSHHS routines are written entirely in
IDL.

--
---
Mark Hadfield
m.hadfield@niwa.co.nz http://katipo.niwa.co.nz/~hadfield
National Institute for Water and Atmospheric Research
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