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Camera Support #11633

White balance presets for Canon EOS M5

Added by Rich Renomeron about 2 years ago. Updated about 2 years ago.

Status:
New
Priority:
Low
Assignee:
-
Category:
-
Target version:
-
Start date:
06/03/2017
Due date:
% Done:

0%

Affected Version:
2.2.5

Description

So I tried this myself with running src/tools/extract_wb on a set of 7 raw files, and got this, which is confusing:

{ "Canon", "EOS M5", Daylight            , 0, { 0.793010752688172, 1, 10.978494623655914, 0 } },
{ "Canon", "EOS M5", Daylight            , 0, { 0.8209959623149394, 1, 10.928667563930013, 0 } },
{ "Canon", "EOS M5", Daylight            , 0, { 0.8225806451612904, 1, 10.908602150537634, 0 } },
{ "Canon", "EOS M5", Daylight            , 0, { 0.9435483870967742, 1, 10.623655913978494, 0 } },
{ "Canon", "EOS M5", Daylight            , 0, { 1.0080645161290323, 1, 10.473118279569892, 0 } },
{ "Canon", "EOS M5", Daylight            , 0, { 1.053763440860215, 1, 10.365591397849462, 0 } },
{ "Canon", "EOS M5", Daylight            , 0, { 1.0604026845637584, 1, 10.332885906040268, 0 } },
{ "Canon", "EOS M5", Daylight            , 0, { 1.5361328125, 1, 1.3193359375, 0 } },
{ "Canon", "EOS M5", Shade               , 0, { 0.8623157894736843, 1, -0.15410526315789475, 0 } },
{ "Canon", "EOS M5", Shade               , 0, { 1.7607421875, 1, 1.14453125, 0 } },
{ "Canon", "EOS M5", Cloudy              , 0, { 0.010914051841746248, 1, 0.279399727148704, 0 } },
{ "Canon", "EOS M5", Cloudy              , 0, { 1.6435546875, 1, 1.22265625, 0 } },
{ "Canon", "EOS M5", Tungsten            , 0, { 1.0576171875, 1, 1.8994140625, 0 } },
{ "Canon", "EOS M5", Tungsten            , 0, { 5.20616570327553, 1, 0.15414258188824662, 0 } },
{ "Canon", "EOS M5", CoolWhiteFluorescent, 0, { 1.326171875, 1, 1.734375, 0 } },
{ "Canon", "EOS M5", WhiteFluorescent    , 0, { 1.7607421875, 1, 1.14453125, 0 } },
{ "Canon", "EOS M5", Flash               , 0, { 1.958984375, 1, 1.0390625, 0 } },
{ "Canon", "EOS M5", Flash               , 0, { 2.3063063063063063, 1, 1.6441441441441442, 0 } },

Not sure how it came up with 18 presets, and so many of them for 'daylight'. Each raw file was done with a different WB preset.

History

#1 Updated by Roman Lebedev about 2 years ago

Rich Renomeron wrote:

So I tried this myself with running src/tools/extract_wb on a set of 7 raw files, and got this, which is confusing:

...

Not sure how it came up with 18 presets, and so many of them for 'daylight'. Each raw file was done with a different WB preset.

There are two things at play here.
First, each raw file has full set of wb presets, and that is pretty common for new-ish canon's.
Second, presets are not presets, but they are dynamically calculated it seems. Which means, there is no point in adding these wb presets into dt..
Also, there is something wrong with the extract_wb, because e.g. -0.15410526315789475 makes no sense.

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