RES: [Mapserver-users] GMT and netCDF

[Gerry Creager N5JXS]

What are the types of data represented?  Polygons are not well 
represented in netCDF, but discreet point data are.  We can take this 
off-list for a while (unless there's real interest) to see if we can 
work thru this.

gerry

Murilo Lacerda Yoshida wrote:
>   I was planning to use the grid tools of GMT to interpolate a map, GMT
> has some tools to do it.
>   The problem is that I don't know how to translate my shape files into
> a valid GMT input. You said you spent a lot of time into it... Can you
> help me?
>   I need to translate shape files to netCDF files, use these files as
> input for GMT, get the result and translate it back to shape files.
>   Thanks,
>     Murilo
>   
> 
> -----Mensagem original-----
> De: Gerry Creager N5JXS [mailto:gerry.creager at tamu.edu] 
> Enviada em: quarta-feira, 2 de junho de 2004 00:46
> Para: murilo.yoshida at agx.com.br
> Cc: mapserver-users at lists.gis.umn.edu
> Assunto: Re: [Mapserver-users] GMT and netCDF
> 
> If you think of a NetCDF file as a Fortran-formatted data file, it will 
> start making sense. GMT is a good tool for grid data, and works well for
> 
>   producing some maps, but it's not designed to do what Mapserver does.
> 
> They're not the same thing, they are tools for different purposes.
> 
> For what it's worth, I spend a LOT of time with netCDF files, read them,
> 
> put the data in postgres db's and then make shapefiles from them.
> 
> Gerry
> 
> Murilo Lacerda Yoshida wrote:
> 
>>  Hi all,
>>
>> 
>>
>>  Has anyone in the list used the GMT (Generic Mapping Tools)? I
> 
> looked 
> 
>>at its documentation and it is really a mess. What I understood is
> 
> that 
> 
>>the input for GMT is a netCDF file, or a ascii table, or a raster
> 
> file.
> 
>>  I use shape files. I didn't found in the documentation a way to 
>>translate the shape file to a netCDF file, or use the shape file as 
>>input for GMT.
>>
>>  And if I understood the documentation, GMT has what I need, that is 
>>that map interpolation issue. But things are never that easy...
>>
>>  Help me please,
>>
>>    Murilo
>>
> 
> 

-- 
Gerry Creager -- gerry.creager at tamu.edu
Network Engineering -- AATLT, Texas A&M University	
Cell: 979.229.5301 Office: 979.458.4020 FAX: 979.847.8578
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