Raster
class RasterMapping(var x: Any? = null, var y: Any? = null, var alpha: Any? = null, var fill: Any? = null, var group: Any? = null, var paint_a: Any? = null, var paint_b: Any? = null, var paint_c: Any? = null) : RasterAesthetics, WithGroupOption, PaintAesthetics
Aesthetic mappings supported by geomRaster().
Parameters
x
X-axis coordinates of the center of rectangles.
y
Coordinates of the center of rectangles.
alpha
Transparency level of a layer. Understands numbers between 0 and 1.
fill
Fill color. For more info see: aesthetics.html#color-and-fill.
group
Grouping key. If not set, grouping may be inferred from other aesthetics (e.g., color, size).
paint_a
Auxiliary paint channel A that can be used as either color or fill as needed. Map a variable here for composite/multi-channel color with a matching scale.
paint_b
Auxiliary paint channel B. See paint_a.
paint_c
Auxiliary paint channel C. See paint_a.