Selecting this option will automatically enable the filmic rgb and exposure modules and will set the pixelpipe order to v3.0 which is the (scene-referred) order defined for darktable 3.0 and later. Scene-referred workflow (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 to apply to new images 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.
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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).
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pixel interpolator (warp) The pixel interpolator used for rotation, lens correction, liquify, crop and final scaling.
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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. 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.