Hi,
I tried to orthorectify aerial photographs. That worked fine by now,
until i got scans wich appear to be darker as before. At least this is
the first observation I made. The effect occured with that scans is,
that after rectification some of the dark areas become white (or rather
null, querying that cells result in -0.722622310236638).
Has anyone had similar experiences when rectifying aerial photographs.
And hopefully a hint how to avoid this damages. I suspect that the
orthorectified images become double precision whereas the imported scans
are integer...
best regards
Stefan
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