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Message definition (Digikam/Process RAW Files)
By default, '''digiKam''' converts RAW files into 8-bit color images, but you can choose the 16-bit mode instead by enabling the 16 bits color depth option. The 8-bit mode is faster, but the 16-bit conversion is by far the best way to go, as it provides better tonal range. If you choose to work in the 16-bit mode, it’s recommended that you enable and configure color management options in the <menuchoice>Color Management</menuchoice> section to prevent dark rendering of the image in the editor. Due to the way certain algorithms process green pixels, the resulting image can contain undesirable patterns and artifacts. Enabling the <menuchoice>Interpolate RGB as four colors</menuchoice> option can fix that. The <menuchoice>Do not stretch or rotate pixels</menuchoice> option is there specifically for Fujifilm’s cameras with the Super CCD sensors and cameras using sensors with non-square pixels. When this option is enabled, the image is titled 45 degrees, so that each output pixel corresponds to one RAW pixel. This option also prevents the image from stretching to its correct aspect ratio.

Som standard omdanner digiKam RAW_filer til farvebilleder i 8-bit, men du kan vælge 16 bit-tilstand i stedet for ved at aktivere tilvalget for 16 bits farvedybde. 8 bit-tilstanden er hurtigere, men 16 bit-omdannelse er langt at foretrække, da den giver et større farvetone-område. Hvis du vælger at arbejde i 16 bit-tilstand, så anbefales det, at du aktiverer og konfigurerer tilvalgene for farvehåndtering i afsnittet Farvehåndtering for at forhindre, at billedet kommer til at virke for mørkt, når det vises i editoren. På grund af den måde, som nogle af algoritmerne behandler grønne pixels kan det resulterende billede indeholde visse uønskede mønstre og artefakter. Aktivering af tilvalget Interpolate RGB as four colors kan løse dette problem. Tilvalget Do not stretch or rotate pixels er specielt til Fujifilms kameraer med Super CCD-sensorerne og kameraer, som bruger ikke-kvadratiske pixels. Når dette tilvalg er aktiveret, så hælder billeder 45 grader, sådan at hver outputpixel svarer til en RAW-pixel. Dette tilvalg forhindrer også, at billeder strækkes til sit korrekte skalaforhold.