[gdal-dev] RPC

[Nikos Alexandris]

Surya Prakash:

> Hi ALL, I have some imagery associated with RPC files. The locational
> accuracy of the images defined by the RPCs is quite poor and I would
> like to update the RPCs by using some additional GCPs. How to do this,
> Please guide me.

Hi Surya!

May I ask which kind of imagery?  If the (official in-metadata?) RPC
data you have are "poor", perhaps, a better option would be to have a
fine(r) elevation model and, based on it, perform an
ortho-rectification?

Cheers, Nikos