intent This option lets you define the intent – the way in which darktable will handle out-of-gamut colors. Select “image settings” if you want the settings in the output color profile module of the individual images to be respected. Only works for some image formats (currently TIFF and XCF). store masks Store masks as layers in exported image. This can sometimes result in better quality, but will always be slower. The image will be processed in full resolution and only downscaled at the very end. high quality resampling Set this to ‘yes’ to perform high quality resampling on the image. If set to “no” the exported image’s dimensions will not exceed the dimensions of the original image (after cropping). allow upscaling Set to “yes” to perform an upscaling step if the user-defined maximum width and height exceed the original dimensions of the image. If the entered values exceed the original dimensions darktable will either export with the original dimensions or upscale the image, depending on the “allow upscaling” parameter. Set both to zero to export with the original dimensions (after cropping). Exported images will be constrained so as not to exceed either of these values, while retaining the correct aspect ratio. max size Set the maximum width and height of the exported image(s) in pixels, cm or inches (depending on the selected unit) – zero means that no constraint will be set on that dimension. It will be automatically set to 300 if “in pixels” or “by scale” is chosen. The dpi will also be stored in the Exif data of the exported image. For example, entering a value of 0.5 will result in an output image with half the width and height (in pixels) of the original image.ĭpi If units of cm or inches are chosen, set the dpi of the output image. by scale (for file): Enter a multiplier to specify by how much the exported image should be scaled compared to the input image.The equivalent size in pixels will be automatically calculated. in inch (for print): Enter the maximum width and height in inches and define the image’s dpi.in cm (for print): Enter the maximum width and height in cm and define the image’s dpi.in pixels (for file): Enter the maximum width and height in pixels.□global options set size Choose how to measure the maximum size of your exported image The latter option will result in smaller files. This setting controls whether the resulting file encodes the shades of gray as separate RGB channels, or as a single grayscale channel. b&w image For TIFF export format, it is possible to save a monochrome image. The higher the level, the more the data will be compressed, at the cost of more CPU cycles. compression level For export formats where compression can be specified, the compression level specifies how much compression to apply. compression The type of compression to use. More bits means less posterization/color banding. bit depth The number of bits used for each color channel. for online image display or uploads) you should consider a value of “90” instead. If you need a good compromise between size and quality (e.g. The default quality (95) is a good setting for very high quality exports (e.g. quality The quality of the exported file. Additional options will appear (below) depending on the selected format. □format options file format Choose the file format for the exported image. skip: Do not export images where the destination filename already exists.Note: This dialog is not presented per-file but as a one-off confirmation before the export job starts. This option will present you with a confirmation dialog in order to protect you from accidental data loss – you can disable this in preferences > security > ask before exporting in overwrite mode.
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