Theme • omni

library(omni)
library(tidyverse)

You can add the function omni_theme() to the end of any ggplot2 pipeline and it will generate plots that look like the same. The theme uses minimalist gridlines and the Lato font throughout.

iris %>%
  group_by(Species) %>%
  summarise(sepal_length_mean = mean(Sepal.Length)) %>%
  ggplot(ggplot2::aes(x = Species, y = sepal_length_mean, fill = Species)) +
  geom_bar(stat = "identity") +
  coord_flip() +
  scale_fill_omni_discrete() +
  theme_omni()

The theme_omni() function has two arguments. show_grid_lines (set to TRUE by default) determines whether or not grid lines show up. Here’s a plot with no grid lines.

iris %>%
  group_by(Species) %>%
  summarise(sepal_length_mean = mean(Sepal.Length)) %>%
  ggplot(ggplot2::aes(x = Species, y = sepal_length_mean, fill = Species)) +
  geom_bar(stat = "identity") +
  coord_flip() +
  scale_fill_omni_discrete() +
  theme_omni(show_grid_lines = FALSE)

The second argument is show_legend (set to TRUE by default). Here’s a plot with the legend removed.

iris %>%
  group_by(Species) %>%
  summarise(sepal_length_mean = mean(Sepal.Length)) %>%
  ggplot(ggplot2::aes(x = Species, y = sepal_length_mean, fill = Species)) +
  geom_bar(stat = "identity") +
  coord_flip() +
  scale_fill_omni_discrete() +
  theme_omni(show_legend = FALSE)