[GRASS-user] Are RADAR GIFs raster?

[José Anderson]

Thomas,

here is an example.

http://radar.weather.gov/ridge/Conus/index_loop.php

Choose a Mosaic Sector.

Next, pick a State and a RADAR location (left side menu).

Unmark other layers than the RADAR images.

Then you can download the image by right-clicking on it.

Thank you very much

Jose

Em dom, 14 de jun de 2015 06:33, Thomas Adams <tea3rd at gmail.com> escreveu:

> José,
>
> It would be helpful if you could provide a link to the data you are
> downloading for me and others to give
> you an informed response. You could simply be looking at color values, or
> they could be radar reflectivity
> values (dBZ), or precipitation amounts, or wind velocities — not to
> mention what the units of the data. This
> would come from the metadata of the data you are using.
>
> More information is needed.
>
> Tom
>
> On Sun, Jun 14, 2015 at 2:56 AM, José Anderson <
> joseandersonbatista at gmail.com> wrote:
>
>> Hello everyone,
>>
>> I georefered several RADAR GIF from a desired storm in my research and
>> realized there are some numbers set as an attribute in the pixels, beside
>> the pixel RGB color.
>>
>> I found GIF generally is an option to export original CAPPI and PPI RADAR
>> images.
>>
>> Such original RADAR images contains Unsigned Character Values set to the
>> pixels.
>>
>> So I'm wondering what that GIF pixel attribute values could mean.
>>
>> I'd appriciate any kind of answer
>>
>> Jose
>>
>> _______________________________________________
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>> grass-user at lists.osgeo.org
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>>
>
>
>
> --
>
>
>
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