[gdal-dev] elevation profile

[jluis at ualg.pt]

Citando Jean-Claude REPETTO <jrepetto at free.fr>:

> Michele Sanges a écrit :
>> Hello all,
>>
>> opening a raster file with values of elevation (for example DEM or  
>> DTED files), is there a GDAL C++ API to get all the values of  
>> elevation between two places (elevation profile)?
>>
>> Thanks.
>>
>> Best regards.
>>
>
> Hello Michele,
>
> There is an interesting paper about this problem :
> <http://www.geocomputation.org/1999/082/gc_082.htm>
>
> I don't know if there are libraries implementing these algorithms  
> for DEM interpolation. Does anybody know if there is an open source  
> function to compute the coefficients of a bicubic interpolation ?
>
> Regards,
> Jean-Claude


You can do that very easily with GMT (grdtrack).

Joaquim Luis


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