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[Bug 720556] Re: Blend fails with mask entirely black.

 

My guess is that you have a single object (airplane?) moving across the
scene and that you photographed it multiple times, so you have a lot of
overlap.

My suggestion would be to let Hugin align the images and let nona warp
them.  Select only a few to generate / blend the background, then load
that background plus the warped individual images into Gimp or Photoshop
and overlay the multiple shots of the moving object, masking the alpha
channel.  A feather in the alpha channel should be enough "blending".

Other than that (and than recommending trying with Enblend 3.x and alpha
masks as well) I don't know of anything that could be done with the
report other than say, sorry, won't fix...

** Changed in: enblend
       Status: New => Triaged

** Changed in: hugin
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/720556

Title:
  Blend fails with mask entirely black.

Status in Enblend:
  Triaged
Status in Hugin - Panorama Tools GUI:
  Triaged

Bug description:
  I get the

  enblend: warning: failed to detect any seam
  enblend: mask is entirely black, but white image was not identified as redundant
  enblend: info: remove invalid output image "t2.tif"

  again.

  The issue here is that I cannot just remove the offending image,
  because I have some interesting features in this image that need to be
  included in the final photo. The pano I'm building is a sequence of
  photos of a moving object, and indeed the fourth frame of the sequence
  mostly overlaps the third, but important image-data is included on the
  fourth frame that I have marked with a "include this mask" in the
  masks tab....



References