[Qgis-developer] Error in georeferencer

Agustin Lobo alobolistas at gmail.com
Mon Oct 28 09:17:40 PDT 2013


I'm finding wrong, distorted results with qgis 2.0 georeferencer. We've tried
with the same set of gcp's in envi and the same method (polynomial deg 2) and
there the results are correct, but with
qgis the result is very distorted. Actually, the errors represented by
the red segments in the
georeferencer do not correspond with the actual gcps displayed on the reference
image in Qgis main display.
See an snapshot here:
https://dl.dropboxusercontent.com/u/3180464/georef_error.jpeg

Reported in
http://hub.qgis.org/issues/8961

A video of the 2 results and reference ortho:
https://dl.dropboxusercontent.com/u/3180464/qgisgeoref.ogv

Agus


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