Citando Jean-Claude REPETTO <jrepe...@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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