[gradsusr] problem with projection image

[Yaqiang Wang]

It seems geostationray projection could only set lon_0 and h
parameters. No reference latitude is needed (always 0). The Proj4
string is like following:

+proj=geos +lon_0=0 +h=35785831


On Mon, Dec 13, 2010 at 2:33 PM, Arlindo da Silva <dasilva at alum.mit.edu> wrote:
>
>
> On Wed, Dec 8, 2010 at 8:12 PM, Yaqiang Wang <yaqiang.wang at gmail.com> wrote:
>>
>> I am not sure what is the projection of your image. I tried
>> orthographic projection with central meridian of 0 and reference
>> latitude -10. It's ok but not so nice (result image was attched).
>>
>
> If this image is from a geostationary satellite you should use the
> geostationary projection, not orthographic. Read the basemap documentation
> for information on the different projections:
>
> http://matplotlib.sourceforge.net/matplotlib.toolkits.basemap.basemap.html
>    Arlindo
>
>>
>> On Thu, Dec 9, 2010 at 3:31 AM, Tatiana.Gonzalez
>> <Tatiana.Gonzalez at noaa.gov> wrote:
>> > Hi,
>> > Is there a way to project grads in native satellite image? I have this
>> > image
>> > (see 10Z12DEC2008_wind.png) but what I really need is something like
>> > this
>> > (see sat_image.png)
>> >
>> >
>> >
>> > Can anybody give me some ideas on how to solve this problem?
>> >
>> > Tatiana
>> >
>> > _______________________________________________
>> > gradsusr mailing list
>> > gradsusr at gradsusr.org
>> > http://gradsusr.org/mailman/listinfo/gradsusr
>> >
>> >
>>
>>
>>
>> --
>> *************************************************
>> Dr. Ya-Qiang Wang
>> Centre for Atmosphere Watch and Services (CAWAS), CMA
>> Chinese Academy of Meteorological Sciences (CAMS)
>> 46, Zhong-Guan-Cun South Avenue
>> Beijing, 100081
>> China
>>
>> yaqiang.wang at gmail.com
>> **************************************************
>>
>> _______________________________________________
>> gradsusr mailing list
>> gradsusr at gradsusr.org
>> http://gradsusr.org/mailman/listinfo/gradsusr
>>
>
>
>
> --
> Arlindo da Silva
> dasilva at alum.mit.edu
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>
>



-- 
*************************************************
Dr. Ya-Qiang Wang
Centre for Atmosphere Watch and Services (CAWAS), CMA
Chinese Academy of Meteorological Sciences (CAMS)
46, Zhong-Guan-Cun South Avenue
Beijing, 100081
China

yaqiang.wang at gmail.com
**************************************************
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