Hi Frank,
The .RPB are perfect good example of RPC and GDAL reads it pretty well,
although it is a little bit strange that gdalinfo reports the Reference
System and GeoTransform matrix completely dissociated from the RPC but I
think it does makes sense, since most of the applications will not
process the RPC geometric transformation anyway.
I didn't know that Jared was looking specifically for *internal* RPC
tags. He just said "GeoTIFF with RPC". If the GTIFF driver could write
the RPC he could "gdal_translate" (a verb) the .TIF/.RPB to a GeoTiff
with *internal* RPC. Would that work? By the way, does GDAL support RPC
on any other file format as auxiliary xml?
Regards,
Ivan
On 8/7/12 7:10 PM, Frank Warmerdam wrote:
On Tue, Aug 7, 2012 at 2:39 PM, Ivan Lucena
<ivan.luc...@princeton-ma.us <mailto:ivan.luc...@princeton-ma.us>> wrote:
Jared,
You can find some images with RPC from Bolder Colorado USA here:
http://www.digitalglobe.com/product-samples
"Quickbird: Ortho Ready Standard Satellite Imagery"
Be aware of the license.
Ivan / Jared,
I fetched the dataset and isolated the following file
and it did not have RPCs internally:
05JUL04180116-P2AS-005554608080_01_P001.TIF
I see there is a parallel .RPB and .IMD file which GDAL
reads for metadata but this is *not* an example of the
RPC coefficients within the TIFF file if that is what you
were looking for.
I'm referring to:
http://geotiff.maptools.org/rpc_prop.html
If that is what you need, let me know and I'll
try to prepare an example if there isn't one
already somewhere. Note that to GDAL apps
this should look the same as working with the
quickbird image.
Best regards,
--
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up | Frank Warmerdam,
warmer...@pobox.com <mailto:warmer...@pobox.com>
light and sound - activate the windows | http://pobox.com/~warmerdam
<http://pobox.com/%7Ewarmerdam>
and watch the world go round - Rush | Geospatial Software Developer
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