Ah, Mirone is a Matlab based graphical interface to Gdal, that uses
Matlab routines for warping in addition to Gdal. What I am looking for
is a command-line tool to warp an image without any shearing. Ideally in
the form of an option to Gdal. Is this possible, or can it be made? It
wouldn't be too difficult to adapt the -order 1 flag so as to leave out
the shearing.
Jan
On 12/16/2011 08:21 PM, Joaquim Luis wrote:
On 16-12-2011 18:50, Jan Hartmann wrote:
On 16-12-2011 18:25, Joaquim Luis wrote:
Jan,
What you want is to apply a transformation called (at least on the
Matlab parlance) "Linear conformal" which an afine transform but
without the the shear terms. Mirone has it implemented and if your
image has the GCPS embedded the operation is really simple.
Thanks Joaquim, that's exactly what I meant. How can I use Mirone's
implementation?
See the manual for example at (the program comes with a .chm version
too). Expand the "Image->Register Image" entry
http://w3.ualg.pt/~jluis/mirone_/files/DrawGCPoints2.html
the above link is from an old-to-be-updated page. For program download
use w3.ualg.pt/~jluis/mirone
Joaquim
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