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Merge pull request #64 from RawTherapee/colorman
Change include jpg in color_management
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content/Color_Management/index.md

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@@ -20,8 +20,9 @@ of colors from scene to intermediate formats, editors and various output
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media. This is an often complicated and technical matter that
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RawTherapee tries to handle as correctly as possible behind the scenes.
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More can be read about it
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[here](http://rawpedia.rawtherapee.com/Color_Management_addon). The
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various options of the Color Management tool are explained below.
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[here](/color_management_addon/)
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The various options of the Color Management tool are explained below.
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## Input Profile
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input profile.
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<figure>
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<img src="/images/ColorManagement-InputProfile-GUI.jpg"
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title="ColorManagement-InputProfile-GUI.jpg" />
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<figcaption>ColorManagement-InputProfile-GUI.jpg</figcaption>
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<img src="colormanagement-inputprofile.jpg"
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title="colormanagement-inputprofile.jpg" />
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<figcaption>ColorManagement-InputProfile.jpg</figcaption>
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</figure>
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#### No Profile
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to 770nm.
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<figure>
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<img src="/images/ciexy-color.jpg" title="ciexy-color.jpg" width="600" />
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<img src="ciexy-color1.jpg" title="ciexy-color1.jpg" width="600" />
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<figcaption>ciexy-color.jpg</figcaption>
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</figure>
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- A triangular color-space model based on the primaries.
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<figure>
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<img src="/images/ciexy-3space.jpg" title="ciexy-3space.jpg" width="600" />
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<img src="ciexy-3space1.jpg" title="ciexy-3space1.jpg" width="600" />
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<figcaption>ciexy-3space.jpg</figcaption>
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</figure>
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- The curve showing the evolution of the white point (one of the bases
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of the illuminants D50, D65, Std A, ).
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<figure>
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<img src="/images/ciexy-wp.jpg" title="ciexy-wp.jpg" width="600" />
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<img src="ciexy-wp1.jpg" title="ciexy-wp1.jpg" width="600" />
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<figcaption>ciexy-wp.jpg</figcaption>
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</figure>
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By default, the illuminant is set to the corresponding value in the
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Working profile. For example this corresponds to D50 for "ProPhoto", D65
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for "sRGB", D60 for "ACESp1".
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<img src="/images/ciexy-wp.jpg" title="ciexy-wp.jpg" width="600"
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alt="ciexy-wp.jpg" /> Why change it? There are several reasons for
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<img src="ciexy-wp0.jpg" title="ciexy-wp0.jpg" width="600"
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alt="ciexy-wp0.jpg" />
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Why change it? There are several reasons for
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wanting to change this value:
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- To deliberately change the colors as you would with a Channel Mixer or
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#### Apply a TRC
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<img src="/images/flowerT-trc.jpg" title="flowerT-trc.jpg" width="600"
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alt="flowerT-trc.jpg" /> Examine the green part of the image:
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<img src="flowert-trc1.jpg" title="flowert-trc1.jpg" width="600"
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alt="flowert-tr1c.jpg" />
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Examine the green part of the image:
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- The more you act on Slope, the more the dark part will lighten
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- The more you act on Gamma, the brighter the light part will be.
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#### Change primaries
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Adobe RGB replace Prophoto (Working profile), Rawtherapee's default
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setting <img src="/images/flowerT-primaries.jpg" title="flowerT-primaries.jpg"
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width="600" alt="flowerT-primaries.jpg" /> Try changing 'Destination
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primaries - Adobe RGB' to another value, for example Rec2020 or ACESp0
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setting <img src="flowert-primaries1.jpg" title="flowert-primaries1.jpg"
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width="600" alt="flowert-primaries1.jpg" />
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Try changing 'Destination primaries - Adobe RGB' to another value, for example Rec2020 or ACESp0
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#### Change primaries - Custom CIExy diagram
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<img src="/images/flowerT-prim-CIExydiag.jpg" title="flowerT-prim-CIExydiag.jpg"
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width="600" alt="flowerT-prim-CIExydiag.jpg" /> The change concerns only
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<img src="flowert-prim-ciexydiag1.jpg" title="flowert-prim-ciexydiag1.jpg"
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width="600" alt="flowert-prim-ciexydiag1.jpg" />
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The change concerns only
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the red point from Adobe RGB: observe the image and the change in the
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values of the primaries Rx, Ry
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you can (should) use settings that are closer to the Working profile
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values.
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<img src="/images/ciexy-bw1.jpg" title="ciexy-bw1.jpg" width="600"
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alt="ciexy-bw1.jpg" /> Raw file:
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[2](https://drive.google.com/file/d/1azCxu1midw6dcuN7SbvbAiJH4pxX5BTA/view?usp=sharing)
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<img src="ciexy-bw-1.jpg" title="ciexy-bw-1.jpg" width="600"
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alt="ciexy-bw-1.jpg" />
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Raw file: [2](https://drive.google.com/file/d/1azCxu1midw6dcuN7SbvbAiJH4pxX5BTA/view?usp=sharing)
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### How the "Primaries and White Point" algorithm works
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