There is the following comment from Stefan Steiniger in the
AddRasterImageLayerWizard class :
~~~
TODO: [sstein] Feb.2009 - I discovered a 0.5px offset towards south-east
for the envelope, in comparison with images loaded with
Jon's/VividSolutions implementation, if the envelope is obtained from a
worldfile. Not sure what is correct. I.e. this implementation seems to
assume that the worldfile coordinate system origin is the corner of the
first pixel and not the center. I have corrected this in
WorldFileHandler.readWorldFile()
~~~
---
** [bugs:#503] 1/2 pixel shift in image georeferencement**
**Status:** open
**Milestone:** undecided
**Created:** Sun Sep 13, 2020 09:52 AM UTC by michael michaud
**Last Updated:** Sun Sep 13, 2020 09:52 AM UTC
**Owner:** nobody
There is still 1/2 pixel difference between image georeferenced with Sextant
Raster reader and images georeferenced with other readers. I have not
investigated yet and don't know which one is correct.
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