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[Fotis <2089848@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I'm testing an HDR workflow with 32bit HDR tiff files (BT.2020 Linear) and have noticed 2 issues:
1) The thumbnails on the Photos tab have different gamma/color mapping to the previews in the Masks and Control points (I suspect that these three tabs are not using the same gamma curve).
2) cpfind returns 0 control points.


running on: 
M1 Mac, macOS Sequoia 15.1.1
cpfind 2024.0.1.ead3af10a01a built by Author name


cpfind log:
Hugin's cpfind 2024.0.1.ead3af10a01a built by Author name
based on Pan-o-matic by Anael Orlinski
Using 7 threads

Project contains the following images:
Image 0
  Imagefile: /Volumes/Ursula/trip photos/RAW to JXL (automated 1.5eV)/subs/P8240703 panorama (mono and color)/P8240703.tiff
  Remapped : no
Image 1
  Imagefile: /Volumes/Ursula/trip photo/RAW to JXL (automated 1.5eV)/subs/P8240703 panorama (mono and color)/P8240704.tiff
  Remapped : no
Image 2
  Imagefile: /Volumes/Ursula/trip photo/RAW to JXL (automated 1.5eV)/subs/P8240703 panorama (mono and color)/P8240705.tiff
  Remapped : no
Image 3
  Imagefile: /Volumes/Ursula/trip photo/RAW to JXL (automated 1.5eV)/subs/P8240703 panorama (mono and color)/P8240706.tiff
  Remapped : no

--- Analyze Images ---
i0 : Analyzing image...
i1 : Analyzing image...
i3 : Analyzing image...
i2 : Analyzing image...
Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.

** Affects: hugin
     Importance: Undecided
         Status: New

** Attachment added: "Screenshot 2024-11-28 at 14.17.13.jpg"
   https://bugs.launchpad.net/bugs/2089848/+attachment/5840894/+files/Screenshot%202024-11-28%20at%2014.17.13.jpg

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https://bugs.launchpad.net/bugs/2089848

Title:
  possible 32bit TIFF mishandling

Status in Hugin:
  New

Bug description:
  I'm testing an HDR workflow with 32bit HDR tiff files (BT.2020 Linear) and have noticed 2 issues:
  1) The thumbnails on the Photos tab have different gamma/color mapping to the previews in the Masks and Control points (I suspect that these three tabs are not using the same gamma curve).
  2) cpfind returns 0 control points.


  running on: 
  M1 Mac, macOS Sequoia 15.1.1
  cpfind 2024.0.1.ead3af10a01a built by Author name

  
  cpfind log:
  Hugin's cpfind 2024.0.1.ead3af10a01a built by Author name
  based on Pan-o-matic by Anael Orlinski
  Using 7 threads

  Project contains the following images:
  Image 0
    Imagefile: /Volumes/Ursula/trip photos/RAW to JXL (automated 1.5eV)/subs/P8240703 panorama (mono and color)/P8240703.tiff
    Remapped : no
  Image 1
    Imagefile: /Volumes/Ursula/trip photo/RAW to JXL (automated 1.5eV)/subs/P8240703 panorama (mono and color)/P8240704.tiff
    Remapped : no
  Image 2
    Imagefile: /Volumes/Ursula/trip photo/RAW to JXL (automated 1.5eV)/subs/P8240703 panorama (mono and color)/P8240705.tiff
    Remapped : no
  Image 3
    Imagefile: /Volumes/Ursula/trip photo/RAW to JXL (automated 1.5eV)/subs/P8240703 panorama (mono and color)/P8240706.tiff
    Remapped : no

  --- Analyze Images ---
  i0 : Analyzing image...
  i1 : Analyzing image...
  i3 : Analyzing image...
  i2 : Analyzing image...
  Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
  Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
  Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
  Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
  Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
  Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
  Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.
  Warning: TIFFDecoder: no TIFFTAG_SAMPLEFORMAT or TIFFTAG_DATATYPE, guessing pixeltype 'UINT32'.

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