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[Bug 679858] Re: nona should scale non-float HDR output files

To: hugin-devs@xxxxxxxxxxxxxxxxxxx
From: tmodes <679858@xxxxxxxxxxxxxxxxxx>
Date: Sun, 04 Dec 2016 09:49:22 -0000
Reply-to: Bug 679858 <679858@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

The HDR options outputs in 0..1 range. This is done by design.
If you need output in input range use the LDR options. This does as last stage the rescaling to the input range.

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

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https://bugs.launchpad.net/bugs/679858

Title:
  nona should scale non-float HDR output files

Status in Hugin:
  Opinion

Bug description:
  If nona is used with the HDR option (-r hdr) and a pixel type other
  than FLOAT (e.g. UINT16), the output is still in the range 0..1 rather
  than 0..65535.    This particular combination of options is useful in
  aligning 16-bit linear files without converting to EXR or HDR.

  Note that this can be worked around by setting the EV of the input
  images to 16.

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