1 Load packages
library(tidyverse) # data wrangling
library(spiro)
library(viridisLite)2 Spiro
These images and their code are taken from the phantastic Spiro R package bei W. J. Schneider.
3 You’re my favorite
k <- 36
files <- paste0("s", 1:k, ".svg")
pen_radii <- seq(3.8, 1.5, length.out = k)
alphas <- rep_len(c(0.85, rep(0.2, 4)), k)
colors <- rep_len(viridis(6, alpha = alphas, begin = 0, end = 1, direction = 1, option = "D"), k)
#colors <- rep_len(scico(6, palette = "devon"), k) %>%
# alpha(., alpha = alphas)
tibble::tibble(
file = files,
pen_radius = pen_radii,
colors = colors) %>%
purrr::pmap_chr(
spiro,
fixed_radius = 7,
cycling_radius = 4,
rotation = -pi / 10,
points_per_polygon = 500,
draw_fills = T,
xlim = c(-7, 7),
ylim = c(-7, 7)) %>%
image_merge(
output = "youre_my_favorite.svg") %>%
add_lines(colors = c(rep(NA,k - 1), "gray")) %>%
image_rotate(degrees = (1:k / 2.5)) %>%
add_background_gradient(
colors = c(
"#FFFFFF",
"#26588E",
"#E5E3F9",
"#283568",
"#C8C3F3"),
radius = 1,
rounding = 1,
stops = c(0.42,0.93,0.96,0.97,1))
4 Reproducibility
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