add_logo: Add Eurocontrol logo and save ggplot chart

In euctrl-pru/ectrlplot: Making ggplot2 graphics in PRU style

Add Eurocontrol logo and save ggplot chart

Description

Running this function will add the Eurocontrol logo in your plot and save it to your specified location.

Usage

add_logo(plot_name, source_name,
  save_filepath = file.path(Sys.getenv("TMPDIR"), "tmp-nc.png"),
  width_pixels = 640, height_pixels = 450,
  logo_image_path = system.file("extdata", "euctrl-logo-wide.png",
  package = "ectrlplot"))

Arguments

plot_name	The variable name of the plot you have created that you want to format and save
source_name	The text you want to come after the text 'Source:' in the bottom left hand side of your chart
save_filepath	The exact filepath that you want your plot to be saved to
width_pixels	Width in pixels that you want to save your chart to - defaults to 640
height_pixels	Height in pixels that you want to save your chart to - defaults to 450
logo_image_path	File path for the logo image you want to use in the right hand side of your chart, which needs to be a PNG file - defaults to Eurocontrol logo that sits within the extdata folder of your package

Examples

library(ggplot2)

myplot <- ggplot(mpg, aes(displ, hwy)) +
geom_point() +
theme_pru()  +
labs(title = 'Scatterplot example in ggplot2',
     subtitle = 'A plot that is only useful for demonstration purposes')

add_logo(plot_name = myplot,
source = "Source: The source of my data",
width_pixels = 640,
height_pixels = 450,
save_filepath = "path-name.png")

# If you want to use your own logo image,
# change the path in the logo-image-path argument

## Not run: 
add_logo(plot_name = myplot,
source = "Source: The source of my data",
save_filepath = "path-name.png",
width_pixels = 640,
height_pixels = 450,
logo_image_path = "use-your-logo-image-path")

## End(Not run)

euctrl-pru/ectrlplot documentation built on April 12, 2024, 1:34 p.m.