** Changed in: hugin
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2002813
Title:
align_image_stack hangs
Status in Hugin:
Fix Released
Bug
I'll take out the "-i" and put it back when the next version of ais is
released.
Align_image_stack is excellent software - with excellent support. Thanks
tmodes.
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The main issue here is, that ais has found only 2 cp, but there are 6
parameters to optimize. Then the optimizer goes haywire and the autocrop hangs.
I added an additional check to prevent this loop.
** Changed in: hugin
Status: Incomplete => Fix Committed
** Changed in: hugin
I originally added any parameter that looked useful with necessarily
understanding exactly what each did and whether they might clash.
This fails:
align_image_stack -a test.jpg -i -A -C problemR.jpg problemL.jpg -v -p test.txt
This works:
align_image_stack -a test.jpg-A -C problemR.jpg
In the first case the problem is complex and a combination of several
switches. With the optimization of HFOV (-m) the optimization leads to a
movement of the second image outside of the ROI. When now running
autocrop (-C switch) it resulted in the hang because the second image is
outside of the
Removing "-i Optimize image center shift for all images, except for first."
fixes those two.
However (as for -m) I would expect the software to give up neatly rather than
getting stuck in a loop.
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** Attachment added: "problemR.jpg"
https://bugs.launchpad.net/hugin/+bug/2002813/+attachment/5641250/+files/problemR.jpg
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Title:
Ais gets stuck on these two even now I have removed the "-m", so that
isn't the real problem. One is poorly focussed and so the pair is
probably too difficult a problem to align, however I would expect the
software to give up neatly rather than getting stuck in a loop.
** Attachment added:
I've realised I should have tried removing the parameters one at a time to try
to find which was the problem. What works is removing "-m" "Optimize field of
view for all images, except for first. Useful for aligning focus stacks with
slightly different magnification." I've been using this
align_image_stack -a test.jpg -m -i --use-given-order -A -C problem-
image2.jpg problem-image1.jpg -v -p test.txt
I can't check test.txt because I can't stop ais without closing the
terminal.
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align_image_stack -o test problem-image1.jpg problem-image2.jpg
WARNING: Spread of exposure values is very small.
Disabling sorting images by exposure value.
No Feature Points
Bad params
An error occurred during optimization.
Try adding "-p debug.pto" and checking output.
Exiting...
** Attachment added: "problem-image2.jpg"
https://bugs.launchpad.net/hugin/+bug/2002813/+attachment/5641224/+files/problem-image2.jpg
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** Attachment added: "problem-image1.jpg"
https://bugs.launchpad.net/hugin/+bug/2002813/+attachment/5641223/+files/problem-image1.jpg
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Yes, having the 2 images would be helpful. Otherwise it is very
difficult to find the point.
** Changed in: hugin
Status: New => Incomplete
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