Dear all!
I've just released pv 1.0.7, which now has code to stitch and
exposure-fuse images with alpha channel as well. This makes the feature
pretty complete. Stitching and fusing alpha channel images should do
'the obvious' and look similar to the 'live stitching' and 'live HDR
blending' which pv displays on-screen. The alpha channel handling is
quite elaborate: instead of simply discarding all pixels which don't
have full opacity, I make an attempt of mathematically correct alpha
blending. The code is fresh and not well-tested, check it out, comments,
as ever, are welcome.
If your images don't have an alpha channel, but you want to use
alpha-only features like --facet_fade_out, just start pv with
--alpha=yes, it will add an alpha channel to the images and produce
output with alpha channel if your output format supports it (like TIFF
and EXR).
I've also made a new bundle for windows, which you can download here:
https://www.magentacloud.de/lnk/f5iohtoR
Password: hugin-ptx
Kay
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