ggplot_add_polygon: Add a series of polygons to a ggplot object

In GJMeijer/soilmech: R functions and plots for Soil Mechanics teaching

Add a series of polygons to a ggplot object

Description

Function to make it faster to add a series of soil, water or structure polygons to an existing ggplot object

Usage

ggplot_add_polygon(
  plt,
  df,
  type = "soil",
  fill = NULL,
  settings = tibble::tibble(id = c("soil", "saturated", "water", "structure"), fill =
    c("#d3bc5f", "#aebab7", "#2a7fff", "#333333"), colour = c(NA, NA, NA, NA), )
)

Arguments

plt	ggplot to be added to
df	tibble with data. Should contain fields 'x' and 'y' for polygon point positions. May contain optional field 'group' to differentiate between different polygons
type	either 'soil', 'water' or 'structure'. This setting is used to determine the fill colour of the polygons
fill	if specified, overrides the fill colour defined through the 'settings' settings
settings	dataframe with default settings for soil, water and structure elements

Value

ggplot object

GJMeijer/soilmech documentation built on May 22, 2022, 10:39 a.m.