scale_identity {ggplot2} | R Documentation |
Use values without scaling.
scale_colour_identity(..., guide = "none") scale_fill_identity(..., guide = "none") scale_shape_identity(..., guide = "none") scale_linetype_identity(..., guide = "none") scale_alpha_identity(..., guide = "none") scale_size_identity(..., guide = "none") scale_color_identity(..., guide = "none")
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Other arguments passed on to
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guide |
Guide to use for this scale - defaults to
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colour <- c("red", "green", "blue", "yellow") qplot(1:4, 1:4, fill = colour, geom = "tile") qplot(1:4, 1:4, fill = colour, geom = "tile") + scale_fill_identity() # To get a legend guide, specify guide = "legend" qplot(1:4, 1:4, fill = colour, geom = "tile") + scale_fill_identity(guide = "legend") # But you'll typically also need to supply breaks and labels: qplot(1:4, 1:4, fill = colour, geom = "tile") + scale_fill_identity("trt", labels = letters[1:4], breaks = colour, guide = "legend") # cyl scaled to appropriate size qplot(mpg, wt, data = mtcars, size = cyl) # cyl used as point size qplot(mpg, wt, data = mtcars, size = cyl) + scale_size_identity()