Hi HaJo,
Thanks! I found an ICC profile for the Canon T3i, named 6000 (which I
guess would be for the 600D). That did the trick. I've been taking a lot
of pictures of the sky, and all the subtlety of the colour has been
restored! So much better. Unfortunately the curve needed for "unbreak
input profile" is still very difficult to get EXACTLY, so I'm still
slightly stumped, because although the colour is great, the tones are all
strange. Still this is leaps and bounds ahead of where I was before.
Here are examples of the exports of the pictures
http://greenbeemedia.com/stuff/dt-color-experiments/ including a scaled
down version of the embedded preview. If you want a copy of the raw to
take a look, that's fine. As you will probably notice, there's a turquoise
quality to the ICC profiled version, which is there mainly because of the
unbreak input profile curve isn't quite right, but is closer to the
original colour I saw, and shows up in some of the other photos that were
taken out of the set, so it's a lot truer to the original. Further,
linearRGB seems to have a colour that is similar, but any attempts to use
velvia do bring more saturated color, but not quite as close all the time.
Any idea where I can find proper settings for "unbreak" as well as a proper
"base curve" to use?
John P Santos
Digital Media Consultant
*Green Bee Media*
greenbeemedia.com
facebook.com/greenbeemedia.ca
twitter.com/greenbeemedia
On Fri, Aug 2, 2013 at 6:44 AM, HaJo Schatz <[email protected]> wrote:
> http://albertoferrante.name/tips.php
>
> I do think to remember though that if you install Canon's DPP (or whatever
> the name of the RAW converter was) then you'll also have the profiles
> somewhere on your HDD.
>
>
> --
> Composed on my tablet. Apologies for typos.
>
> On 2 Aug 2013, at 13:14, "John P Santos" <[email protected]>
> wrote:
>
> Where did you find the profile for the 7D, I'm looking for one for the T3i.
>
>
> John P Santos
> Digital Media Consultant
> *Green Bee Media*
> greenbeemedia.com
> facebook.com/greenbeemedia.ca
> twitter.com/greenbeemedia
>
>
>
> On Fri, Jul 19, 2013 at 7:35 AM, HaJo Schatz <[email protected]> wrote:
>
>> ...and possibly the "unbreak [something or another]" module to adjust
>> gamma/lightness, no?
>>
>> Coincidentally, after this thread really arose my interest, I figured
>> that quite a few of these
>> profiles are readily available on the Internet. I downloaded one for my
>> Canon 7D and tried it compared to the enhanced matrix that DT offers. The
>> difference between both is only noticeable in the reds with the downloaded
>> profile turning the reds down a bit. A bit!
>> But, to start with, I can not complain about the base curve throwing off
>> the reds badly, my skin tones look proper -- no matter whether I use the
>> enhanced matrix or the downloaded profile. For me, removing the lowest
>> point in the curve throws the left end up and therefore washes out the
>> darkest parts badly.
>> All this with proper output color profile applied, that is. If I mess
>> with that, the reds get very badly blown up, yes.
>>
>> So, I doubt that there's a bug in DT unless it just creeped in in one of
>> the recent github versions.
>>
>>
>> --
>> Composed on my tablet. Apologies for typos.
>>
>> On 19 Jul 2013, at 19:35, "johannes hanika" <[email protected]> wrote:
>>
>> .. and then place the profile in ~/.config/darktable/color/in/ and select
>> it in the 'input color profile' module to use it.
>>
>> j.
>>
>>
>> On Thu, Jul 18, 2013 at 8:59 PM, Torsten Bronger <
>> [email protected]> wrote:
>>
>>> Hallöchen!
>>>
>>> Torsten Bronger writes:
>>>
>>> > [...]
>>> >
>>> > 2. You take a picture of it with your best lens in direct sunlight,
>>> > but let it use only half of the viewframe width. Avoid glare.
>>> > Take an exposure series, and select the raw for which the white
>>> > patch (GS0) has an L value closest to 90 with the colour picker
>>> > of Darktable. (Mind to set the display profile to "linear RGB"
>>> > before using the colour picker.)
>>>
>>> Oh yes, and switch of basecurve for this, and set input profile also
>>> to "linear RGB".
>>>
>>> Tschö,
>>> Torsten.
>>>
>>> --
>>> Torsten Bronger Jabber ID: [email protected]
>>> or http://bronger-jmp.appspot.com
>>>
>>>
>>>
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