Re: I mean regridding the data to a rectiliniear lat / lon grid

I need *regrid* the 2D lat/lon to a rectilinear lat lon.
 
any comments will be grateful enough support, I'm new to NCL.Thank you,Gualberto
 
 
 

> Date: Tue, 7 Aug 2012 10:41:42 -0600
> From: shea@ucar.edu
> To: betoic@hotmail.com
> CC: ncl-talk@ucar.edu
> Subject: Re: I mean regridding the data to a rectiliniear lat / lon grid
>
> Technically, this is already a rectilinear grid.
>
> double lat ( lat )
> _CoordinateAxisType : GeoY
> axis : Y
> grid_spacing : 27.0 km
> long_name : y coordinate of projection
> standard_name : projection_y_coordinate
> units : km
>
> double lon ( lon )
> _CoordinateAxisType : GeoX
> axis : X
> grid_spacing : 27.0 km
> long_name : x coordinate of projection
> standard_name : projection_x_coordinate
> units : km
>
> float u10 ( time, lat, lon )
> long_name : 10 m u wind (m/sec)
> _FillValue : -9999
> grid_mapping : Lambert_Conformal
>
> The issue is that the poorly named 'lat' and 'lon' variables
> should be (say) 'y' and 'x'.
>
> Basically, the projection information
>
> character Lambert_Conformal ( ncl_scalar )
> grid_mapping_name : lambert_conformal_conic
> long_name :
> latitude_of_projection_origin : 0
> longitude_of_central_meridian : -124.17
> false_easting : 0
> false_northing : -27
> standard_parallel : 0
> _CoordinateTransformType : Projection
> _CoordinateAxisTypes : GeoX GeoY
> earth_shape : Earth spherical with radius of 6,371,229.0 m
> earth_radius : 6371229
>
> must be used to generate two-dimensional latitude and longitude
> coordinates for each grid point. Then the data can be plotted on the
> lambert map projection. Is this what you want?
>
> *** I have no idea how to do this. Maybe someone else does. ***
>
> Then, if you really want to *regrid* the 2D lat/lon to a rectilinear
> lat lon, you would have to use the ESMF regridding
> http://www.ncl.ucar.edu/Applications/ESMF.shtml
>
>
>
>
>
> On 8/7/12 10:12 AM, Gualberto Hernández Juárez wrote:
> > Hi,
> >
> > I mean regridding the data to a rectiliniear lat / lon grid
> >
> > locate the file in the directory:
> >
> > ftp://ftp.cgd.ucar.edu/incoming/
> >
> >
> > or you can download from this link:
> >
> >
> > https://dl.dropbox.com/u/96409134/MMOUT_DOMAIN1.nc
> >
> >
> > Thanks I'll be awaiting your response.
> > Gualberto
> >
> >
> >
> >
> >
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Received on Tue Aug 7 10:54:54 2012