On Thu, Dec 1, 2016 at 2:24 PM, Robert William Hutton
<r...@helms-deep.net> wrote:
> On 01/12/16 21:51, Roman Lebedev wrote:
>>
>> On Thu, Dec 1, 2016 at 2:55 AM, Robert William Hutton
>>>>>
>>>>> for file in *; do ~/wd/darktable/tools/extract_wb "$file" >>
>>>>> ~/white_balance.txt ; echo >> ~/white_balance.txt ; done
>>
>>
>> Uh, oh, s/is the tool/can work on multiple raw files at once, no need
>> to call it in a loop/
>
>
> Ah, the reason I called it in a loop was so that I could get a blank line
> between the output for each image with the echo >> ~/white_balance.txt.
> This is because the script gave me multiple lines of output for each file,
> and I had to go and sort out which line I wanted to keep. E.g.:
>
>
> $ ~/wd/darktable/tools/extract_wb IMG_2130.CR2 2> /dev/null
> { "Canon", "PowerShot G7 X", Daylight , 0, { 1.7831603229527104, 1,
> 2.1199538638985005, 0 } },
> { "Canon", "PowerShot G7 X", Daylight , 0, { 2.1252847380410023, 1,
> 1.703872437357631, 0 } },
> { "Canon", "PowerShot G7 X", Shade , 0, { 2.4133180252583237, 1,
> 1.4638346727898968, 0 } },
> { "Canon", "PowerShot G7 X", Cloudy , 0, { 2.2782212086659066, 1,
> 1.5530216647662485, 0 } },
> { "Canon", "PowerShot G7 X", Tungsten , 0, { 1.4674285714285715, 1,
> 2.7302857142857144, 0 } },
> { "Canon", "PowerShot G7 X", WhiteFluorescent, 0, { 2.0830188679245283, 1,
> 2.3559748427672957, 0 } },
> { "Canon", "PowerShot G7 X", Flash , 0, { 2.5853658536585367, 1,
> 1.3612078977932636, 0 } },
>
>
> Note that in that output there is two daylight lines... The first is the
> value I want, shot at -9 on the blue/amber axis, the second is the value for
> 0 on the blue/amber axis, and the following ones are also for 0 on the
> blue/amber axis for the other presets. So I had to go delete all the
> spurious lines and change the number from 0 to -9, and so on for all the
> other files. Having the blank line in between just made this less
> confusing.
Yeah, it does not do anything wrt blue/amber axis tune values.
> Worth filing bug reports for this stuff?
Yes, and please provide a few shots to debug this on.
E.g. Daylight -9; 0; 9
> -R
Roman.
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