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[Bug 721156] Re: left image margin shows though image is totally masked

 

Hi Kay,

so if I understand you correctly you're asking for a new feature that
was not intended in the original design of the current masking tool?
How difficult is it to make the mask more accurate?  We anyway still
have an old masking tool that is lingering in the codebase
http://hugin.hg.sourceforge.net/hgweb/hugin/hugin/file/1bdea5dfddaf
(gsoc2008_masking branch).  It has not been updated for 21 months and it
would be neat to integrate it.  Not sure if it has the same accuracy you
ask, though.

Should we classify this feature request as "wishlist"?  not that much
will happen with it.  Nothing dies of old age here, but after a while it
expires and becomes less visible.

** Changed in: hugin
   Importance: Undecided => Wishlist

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https://bugs.launchpad.net/bugs/721156

Title:
  left image margin shows though image is totally masked

Status in Hugin - Panorama Tools GUI:
  Won't Fix

Bug description:
  I noticed what I think is faulty mask processing on images where a mask boundary coincides with the left image boundary. I have managed to produce a very simple demonstartion of the behaviour with the enclosed files. The pto contains a single monochrome image with a mask of precisely the same dimensions, and one would assume that this should render the whole image invisible. But in the previews and in the final output, a narrow strip of the image's left margin still shows. In the pto I have attached I have centered on this and chosen a small FOV to make this well visible - if you can reproduce the bug it would show as a vertical malachite band in the preview. The attached file contains input image, pto and output image - since the images are jpg and very small, I took the liberty to attach them as well. Notice that I manually edited the k-line in the pto to position the mask precisely on the image boundaries.
  I noticed this using Pre-Release 2010.5.0.5a0bdb77823c, self-compiled on Kubuntu 10.10, but I've seen it earlier as well and was never bothered enough to send in a bug report. I think it only occurs if the left margin coincides with the mask and the remainder of the mask can be any shape.
  Kay



References