Both of these settings are intended to provide a reasonable starting-point for RAWs produced by a broad range of SLR and mirrorless cameras, but they can be overridden with an automatically-applied preset if the defaults produce consistently dark images for your camera. The exposure module includes an automatic exposure adjustment of +0.7 EV, and automatically enables the “compensate camera exposure” option for the filmic workflow. Selecting this option automatically enables the filmic rgb, exposure and color calibration modules for new edits and sets the module order to v3.0 RAW. Scene-referred (filmic) (default) assumes that most processing will be performed in a linear RGB color space. 3D lut root folder Define the root folder (and sub-folders) containing Lut files used by the lut 3D module auto-apply pixel workflow defaults Choose which modules and module order are applied to new RAW image edits by default: This option is therefore only provided for transforming (scaling) algorithms and is the default value. Lanczos3 can cause pixel overshoots leading to artefacts but sometimes gives a more crisp visual appearance. The same options are provided as for the warp modules, but with the addition of lanczos3. pixel interpolator (scaling) The pixel interpolator used for scaling. In general, bicubic is a safe option for most cases and is the default value. For warping modules, darktable offers bilinear, bicubic or lanczos2. Whenever we scale or distort an image we have to choose a pixel interpolation algorithm (see wikipedia for details). pixel interpolator (warp) The pixel interpolator used for rotation, lens correction, liquify, crop and final scaling. If the given ICC is LUT-based or contains both a LUT and a matrix, darktable will use LittleCMS 2 to render the colors regardless of this parameter’s value (default off). This is significantly slower than the default but might give more accurate results in some cases. □image processing always use LittleCMS 2 to apply output color profile If this option is activated, darktable will use the LittleCMS 2 system library to apply the output color profile instead of its own internal routines.
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