-
Notifications
You must be signed in to change notification settings - Fork 1
/
ros_pals.R
108 lines (97 loc) · 2.22 KB
/
ros_pals.R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
#' Paletas de colores de **rOpenSpain**
#'
#' Paletas de colores basadas en el tema de **rOpenSpain**.
#'
#' @family ros_plot
#'
#' @rdname ros_pals
#' @name ros_pals
#'
#' @return Paletas de colores
#'
#' @export
#'
#' @param n Número de colores
#' @param alpha Valor alfa (transparencia) de los colores. alpha = 1 es opaco
#' y alpha = 0 totalmente transparente
#' @param rev Valor lógico que indica si los colores se han de mostar en orden
#' inverso.
#'
#'
#'
#' @examples
#'
#' scales::show_col(ros_green_pal(9))
#'
#' scales::show_col(ros_violet_pal(9))
#'
#' scales::show_col(ros_gradient_pal(9))
#'
#' scales::show_col(ros_qualitative_pal(9))
ros_green_pal <- function(n = 4, alpha = 0.9, rev = FALSE) {
cols <- c("#98c00b", "#e0ecb5")
if (rev) {
cols <- rev(cols)
}
ramp <- colorRampPalette(cols)
if (alpha == 1) {
return(ramp(n))
}
col_end <- adjustcolor(ramp(n), alpha.f = alpha)
return(col_end)
}
#' @rdname ros_pals
#'
#' @export
ros_violet_pal <- function(n = 4, alpha = 0.9, rev = FALSE) {
cols <- c("#986dbd", "#e0d3eb")
if (rev) {
cols <- rev(cols)
}
ramp <- colorRampPalette(cols)
if (alpha == 1) {
return(ramp(n))
}
col_end <- adjustcolor(ramp(n), alpha.f = alpha)
return(col_end)
}
#' @rdname ros_pals
#'
#' @export
ros_gradient_pal <- function(n = 4, alpha = 0.9, rev = FALSE) {
cols <- c("#98c00b", "#e0ecb5", "#e0d3eb", "#986dbd")
if (rev) {
cols <- rev(cols)
}
ramp <- colorRampPalette(cols)
if (alpha == 1) {
return(ramp(n))
}
col_end <- adjustcolor(ramp(n), alpha.f = alpha)
return(col_end)
}
#' @rdname ros_pals
#'
#' @export
ros_qualitative_pal <- function(n = 6, alpha = 0.9, rev = FALSE) {
color <- "#98c00b"
rgb_col <- col2rgb(color)
hsv_col <- rgb2hsv(rgb_col)[, 1]
hue <- hsv_col[1]
sat <- hsv_col[2]
val <- hsv_col[3]
cols <- seq(hue, hue + 1, by = 1 / n)
cols <- cols[seq_len(n)]
cols[cols > 1] <- cols[cols > 1] - 1
colors <- hsv(cols, sat, val)
if (substr(color, 1, 1) == "#" && nchar(color) == 9) {
alpha <- substr(color, 8, 9)
colors <- paste(colors, alpha, sep = "")
}
if (rev) colors <- rev(colors)
if (alpha == 1) {
return(colors)
}
colors <- adjustcolor(colors, alpha.f = alpha)
return(colors)
}