[gradsusr] Maskout sea from shapefile

[Rabah Hachelaf]

Thanks for the response.

Rabah

2015-12-04 8:42 GMT-05:00 Stephen McMillan <smcmillan at planalytics.com>:

> Your best bet is to use a shapefile for sea areas, if not already included
> in your shapefile.  Have you looked at the .dbf to see if sea areas are
> included?  If so, you can specify a range of element numbers (may have to
> repeat 'draw shp...' command more than once if more than one set of element
> ranges).
> Stephen Mc
>
> On Thu, Dec 3, 2015 at 10:17 PM, Rabah Hachelaf <r.hachelaf at gmail.com>
> wrote:
>
>>
>> Hello all,
>>
>> I am trying to maskout sea area from shapefile, but the command i found
>> masked out land area
>>
>> like :
>>
>> 'open gfs.ctl'
>> 'set rgb 99 227 210 145'
>> 'set lat 12 33'
>> 'set lon 34.5 60'
>> 'd tmp2m'
>> 'set shpopts 99'
>> 'draw shp world'
>> 'printim tmp2m.png'
>>
>>
>> I am wondring if there is a command line to inverse the process and
>> maskout sea instead of land.
>>
>> Thank you
>>
>> Rabah
>> --
>>
>>
>>
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>>
>>
>
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>


-- 
------------------------------
Cordialement,
Best regards,
Rabah Hachelaf
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