[gdal-dev] RPC orthorectification accuracy issues.

[Pablo d'Angelo]

Hi Even,

Am 19.06.2015 um 23:53 schrieb Even Rouault:
> Actually keeping the RPC metadata as it is found in the sources (with the
> exception of Pleiades and their weird center of pixel (1,1) convention
> perhaps, as proposed in
> https://trac.osgeo.org/gdal/attachment/ticket/5993/fix_PleiadesRPC.patch ?),
> and doing the adjustment in the computation will be less disruptive for the
> existing code than modifying the RPC metadata values for a half-pixel shift in
> all deserializing/serializing .rpb and _rpc.txt code (+ you'd have to make a
> special case when deserializing/serializing the RPC metadata domain in
> .aux.xml and VRT !), so on reflection, I'm happy with Pablo's approach.
I think this is also nicer for third party applications that use the
GDAL RPC metadata. Changing the LINE_OFF and SAMP_OFF
would also require changes in third party code.

Best regards,
   Pablo