Hi All,
I wanted to try to use LCP Creator with RawTherapee, however it doesn't
support manual lenses for chromatic aberration, and I didn't realize
that lensfun was supported by rawtherapee, its kind of hidden.
However, I put together a nice checkerboard chart. I tried using it
with hugin's calibrate lens and it didn't quite work. I also tried some
grid lines from my go board no luck.
I wonder what would be a good calibration chart for hugin's lens
calibrate GUI? Concentric rectangles, but I could find any ready-to-go
chart out there.
I got to thinking about even concentric rectangles might not be so
great, because it assumes that you have straight lines in the image to
find in the first place.
I tried the lcp convert to convert my lcp files however, it gets stuck
in an endless loop and observably it seems like a half baked utility to
convert an entire database, not a one by one lens conversion utility.
Any ideas for a calibration chart, a way to use checker boards, or a
conversion algorithm( I think I would be relatively happy with a guide
on how to manually copy numbers from one xml to another for my
collection of lenses.)
In the past I used those charts from Bob Atkins, but I had to run the
algorithm a bunch of times, and it was kind of a gestimate in the end,
most of the lines were just noise.
Sincerely yours,
Robin
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