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RawTherapee will launch in an separate window and open to the most recent profile that has been worked on. Select the appropriate batch and allow it to load. Scroll through and make a mental note if some images are out of the ordinary (i.e. too bright, too dark, out of focus, etc).
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2.1 Look for a Color Checker
We want to use an image with a color checker, if one is available within the batch. Choose the most average looking picture (lighting and color-wise).
2.1 Creating a color profile
Our goal when creating a color profile is to have every image look similarly to the rest of the batch. When RawTherapee launches, it will bring us to the last batch we worked on by default. Be sure to navigate to the intended batch.
It is good practice to scan through all images to get an idea of what they are looking like, if there are any outliers, or anything to make note of.
2.2 Look for a Color Checker
We want to use an image with a color checker, if one is available within the batch. Choose the most average looking picture (lighting and color-wise). If they all look reasonably similar, we can choose whichever we want.
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*In the Semifield applications, we typically use a more compact smaller, Color Checker lanyard. The Field color checker Color Checker may be used instead, but the compact larger one is preferred for this application.
2.2 Creating a color profile
- Either is acceptable.
2.21 Bring in a recent profile
- To bring in a recent profile, we use the folder icon towards the top right of the screen, located to the left of the save button. This will open a window containing a list of saved profiles within the local user. We want to choose the most recent date in relation to the one we are working on now. The toggle tool is helpful for name and date modified, making it easier to find most recent profiles.
2.22 Color Picker
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When making a color profile, we Once a previous profile is loaded in and applied, we want to use the color picker tool. The Color Picker tool is accessible by the tool bar above the working image or on “Pick” within the White Balance tab on the panel to the right.
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We are only interested in using a specific gray with the color picker tool. The In the image above, the gray we want is two squares away from above the black. Use this gray for every profile you make.
When finished, be sure to choose the hand icon to return to normal cursor mode.
2.23 Adjust exposure & saturation
Now, we navigate into the Exposure tab. This is the only tab we will work in, aside from the tab to access the Color Picker. There are only a few helpful settings to toggle here.
Our goal is to create an image that looks most closely like a real-
2.24 Save new profile and exit RawTherapee
- life view of these plants. Our eyes are the most accurate check, but it can be helpful to keep an eye on the color graph in the top left that shifts when settings are changed. A good rule of thumb is for the peak of the three curves to land near this region of the graph.
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*Laptop screens and Monitor settings will impact what we are working on. Try to always use the same screen when creating color profiles.
Exposure Compensation & Highlight Compression
These two go hand-in-hand. Exposure compensation should always be set to slightly more than Highlight Compression
Lightness
Has a similar effect to Exposure Compensation
Saturation
Toggle keeping in mind the intensity of colors on the color checker.
3. Running the pipeline
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When the color profile has been saved, we must send it through the pipeline. Be sure to be navigated to the Semifield folder and make a new screen, use uppercase r (-R). If returning to an already existing screen, use lowercase r (-r) with the appropriate screen name.
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