draw_key_pic: Draw key function for geom_bar_pic

In MalditoBarbudo/ggpic: Using raster objects as geoms in ggplot2

Description

To be able to generate a legend with the raster image, ggpic needs a custom draw_key function.

Usage

draw_key_pic(data, params, size)

Arguments

data	A single row data frame containing the scaled aesthetics to display in this key
params	A list of additional parameters supplied to the geom.
size	Width and height of key in mm.

Details

When pic and fill aesthetics does not map to the same variable, fill guide is redirected to draw_key_rect and pic guide to a raster grob.

MalditoBarbudo/ggpic documentation built on May 7, 2019, 2:09 p.m.