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[Fotis <2091323@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

trying to stitch any (or all) of the photos in the the following batch
(https://filetransfer.io/data-package/bYlL38py#link), causes enblend to
create visual artifacts (muted colors and dark patches). The builtin
(hard seams) blending mode has no problem handling the input however.

The tiff files are generated by Darktable, are 32bit float/channel, with
values greater than zero ( >0). No error is reported during stitching.

running on:
M1 Mac, macOS Sequoia 15.1.1
Hugin 2024.0.1.ead3af10a01a

** Affects: hugin
     Importance: Undecided
         Status: New

** Attachment added: "left: enblend / right: builtin"
   https://bugs.launchpad.net/bugs/2091323/+attachment/5843173/+files/Screenshot%202024-12-09%20at%2022.01.13.jpg

** Description changed:

  trying to stitch any (or all) of the photos in the the following batch
  (https://filetransfer.io/data-package/bYlL38py#link), causes enblend to
  create visual artifacts (muted colors and dark patches). The builtin
  (hard seams) blending mode has no problem handling the input however.
  
  The tiff files are generated by Darktable, are 32bit float/channel, with
- values > zero. No error is reported during stitching.
+ values greater than zero ( >0). No error is reported during stitching.
+ 
+ running on:
+ M1 Mac, macOS Sequoia 15.1.1
+ Hugin 2024.0.1.ead3af10a01a

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https://bugs.launchpad.net/bugs/2091323

Title:
  Enblend dark patches in 32bit tiff files (builtin blending works fine)

Status in Hugin:
  New

Bug description:
  trying to stitch any (or all) of the photos in the the following batch
  (https://filetransfer.io/data-package/bYlL38py#link), causes enblend
  to create visual artifacts (muted colors and dark patches). The
  builtin (hard seams) blending mode has no problem handling the input
  however.

  The tiff files are generated by Darktable, are 32bit float/channel,
  with values greater than zero ( >0). No error is reported during
  stitching.

  running on:
  M1 Mac, macOS Sequoia 15.1.1
  Hugin 2024.0.1.ead3af10a01a

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