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====== Basic Appearance Black and White Image ====== Black & White Images : the 'black' and 'white' pixels are considered 'foreground' and 'background' {{image_bw.png?nolink|}} ^ Color and Gray-scale Images ^^^ | Image Transparency | Set the transparency percentage of the image from opaque to completely transparent. || | Transparent Color | Transparent Color Use | Tick to activate the use of a transparent color in the image. | | ::: | Transparent Color | [[227:desktop:dataset:legend:parameters:color|Choose a color]] that should to be transparent. | | ::: | Transparent Color Margin | Enter the acceptable deviation (0-255) of an image pixel color from the chosen transparent color. | | Sharpen Image | See [[http://en.wikipedia.org/wiki/Unsharp_masking|Wikipedia Unsharp masking]]. || | Grayscale | Set the color image to grayscale. || ^ Black & White Images ^^^ | Background | Background Transparency | Set the transparency percentage from opaque to completely transparent. | | ::: | Background Color | Choose a color for the image background. | | Foreground | Foreground Transparency | Set the transparency percentage from opaque to completely transparent. | | ::: | Foreground Color | Choose a color for the image foreground. | {{edit_all_parameters_disabled.png?nolink|}} The "Edit All Parameters" button is disabled, these are the only legend parameters to set for black and white images.