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Bug #9863

Hdr have magenta highlights with Canon 70D CR2 files

Added by Julien CHIQUET over 5 years ago. Updated over 4 years ago.

Status:
Fixed
Priority:
Low
Category:
Darkroom
Target version:
-
Start date:
03/20/2014
Due date:
% Done:

100%

Affected Version:
1.4.1
System:
Ubuntu
bitness:
64-bit
hardware architecture:
amd64/x86

Description

Trying to create HDR with Darktable's feature makes magenta highlights in the generated DNG file. It seems to occur only with Canon 70D CR2 files ; with the 40D CR2 files, it works properly.

It is tested with Darktable-1.4.1 and Ubuntu-12.04, with the default import and the history stack set to "0-original". Here are the CR2 files :
https://www.dropbox.com/l/1V6FzOhUrSPHLlPzGt8wG8?


Related issues

Related to darktable - Bug #10105: darktable creates bad HDR image Fixed 09/09/2014

History

#1 Updated by Roman Lebedev almost 5 years ago

  • Related to Bug #10105: darktable creates bad HDR image added

#2 Updated by Roman Lebedev almost 5 years ago

  • % Done changed from 0 to 100
  • Assignee set to Johannes Hanika
  • Status changed from New to Fixed

There were some changes in the HDR merging code, so hopefully this is fixed.
Could you please test and report any (new?) issues if you could find them.

#3 Updated by Julien CHIQUET over 4 years ago

Tests were done with the same set of CR2 files processed in darktable-1.6, Ubuntu-14.04-LTS 64-bit.
Results still are magenta highlights, whatever is done in the history stack (I tried different kinds of exposure or highlight recovery). In fact the sky has moving parts (clouds) as it is a long exposure, and darktable does not seem to handle these regions.

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