darktable page lede image
darktable page lede image

8.6. Processing

These options control some of the internals processing of darktable.

usa sempre LittleCMS2 per applicare il profilo colore di uscita

Se questa opzione è attiva, darktable userà la libreria di sistema LittleCMS2 invece delle sue routine. Ciò rallenta di molto l'esportazione ma può dare risultati più accurati in alcuni casi (inizialmente disabilitato).

Notare che se il profilo ICC fornito si basa su di una LUT o contiene entrambe, una LUT e una matrice, darktable utilizzerà LittleCMS2 per visualizzare i colori senza considerare il valore di configurazione di questo parametro.

interpolatore di pixel

L'interpolatore di pixel usato nella rotazione, nella correzione obiettivo e nel ridimensionamento; le opzioni sono «bilineare», «bicubico», «lanczos2», «lanczos3» (predefinito).

3D lut root folder

Set folder that contains Lut files used by lut 3D module. (need a restart)

auto-apply pixel workflow defaults

With that setting, you can define which default workflow to work on. Two workflows are available:

  • Scene-referred workflow is based on linear modules and will auto-apply filmic and exposure. This workflow consist of adding, by default, +0,5 EV of exposure (in exposure module), to adjust the global brightness and mid-grey to a similar value to that used by most JPEGs produced by SLR cameras. The interest of filmic is to apply a tone mapping curve at the end of the pipeline, allowing a physically realistic retouching on RGB values encoded linearly before, but also to manage color consistency through the tone mapping, in order to preserve hues as much as possible and to avoid gamut overruns.

    This default +0,5 EV value can be overridden using an auto-apply preset if it is found the images from a particular camera are consistently too dark.

    The scene-referred workflow also enables by default the "compensate camera exposure" option in the exposure module, to adjust the global brightness appropriately in cases where the camera's exposure compensation dial was used to protect highlights in the image or Expose To The Right (ETTR) to optimally make use of the sensor's dynamic range.

  • Display-referred workflow, used by default, is based on Lab modules and will auto-apply base curve and the legacy module pipe order (darktable 2.6 and older). It will apply the non-linear transformation at the beginning of the pipeline, and all editing will then be done on non-linear RGB.

A third option is available to not use any workflow and so deactivate all automatic modules. That allow you to manage your pipeline manually.

applica automaticamente i preset della curva base per la fotocamera

Utilizza di default la curva specifica per il modello di fotocamera e non quella generica del produttore (se disponibile). Per maggiori dettagli vedi Sezione 3.4.1.5, «Curva base» (inizialmente disabilitata).

auto-apply sharpen

This added sharpen is not recommended on cameras without a low-pass filter. The default is to not add any sharpening automatically as most recent cameras have no low-pass filter. (need a restart)

detect monochrome previews

If switched on, darktable analyses the preview image available via exif data during import or refreshing exif for being monochrome and sets the darktable|mode|monochrome tag accordingly. As this reduces performance it is turned off by default. Turn on for better monochrome image workflow support.