diff --git a/dev/tag-message b/dev/tag-message
index 54af56c9412adf40c628eb6d913b9994e73160dc..a05446c51d7364433a162f68bf1c544b97d9a188 100644
--- a/dev/tag-message
+++ b/dev/tag-message
@@ -1,16 +1,13 @@
-so.ii Version: 1.0.27.0
+so.ii Version: 1.0.28.0
0 errors ✔ | 0 warnings ✔ | 0 notes ✔
**Note de version**
- * ajout de aggregate_wide
- * ajout de add_margin
+ * ajout de add_bar
**Détails**
- * aggregate_wide permet de renvoyer directement une matrice quand un
- aggregate est réalisé sur 2 dimensions.
- * add_margin permet d'utiliser addmargins directement sur un data.frame
+ * add_bar permet d'ajouter une barre d'échelle à des cartes.
-# git tag -a v1.0.27.0 -F dev/tag-message
+# git tag -a v1.0.28.0 -F dev/tag-message
# git push --tags
diff --git a/so.ii/DESCRIPTION b/so.ii/DESCRIPTION
index cf42619b4b9e1cf3a6d226794b5b12a6fc80d348..1dc34ba3b7accdecd1f68958919d9d2b014012d6 100644
--- a/so.ii/DESCRIPTION
+++ b/so.ii/DESCRIPTION
@@ -1,6 +1,6 @@
Package: so.ii
Title: Utilities very useful to share within so_ii team
-Version: 1.0.27.0
+Version: 1.0.28.0
Authors@R:
c(
person(given = "Frédéric",
diff --git a/so.ii/NAMESPACE b/so.ii/NAMESPACE
index 437c8b8b3c3f92f0fe5372e1f5558a03c431c0c0..979ca07e06c1d8db296cc2129d43a0c3402dfb9b 100644
--- a/so.ii/NAMESPACE
+++ b/so.ii/NAMESPACE
@@ -1,5 +1,6 @@
# Generated by roxygen2: do not edit by hand
+export(add_bar)
export(add_inset)
export(add_margin)
export(aggregate_wide)
diff --git a/so.ii/R/adjust_terra_scale.R b/so.ii/R/adjust_terra_scale.R
index 7bcbe79130db2ad524aa11e714a7afee8c9e36cb..2fdcfc8c092bd5d5e267289fa59c89a506f171e7 100644
--- a/so.ii/R/adjust_terra_scale.R
+++ b/so.ii/R/adjust_terra_scale.R
@@ -1,3 +1,61 @@
+#' @title Add a bar to a map
+#'
+#' @details
+#' Correct some things in sbar from terra to add scale bar to plots.
+#'
+#' @param d integer, size of the bar in km.
+#' @param xy either a character or a vector giving the position of the bar in
+#' the plot.
+#' @param adj numeric of length 2, adjustment for text placement.
+#' @param lon numeric of length 1, may be adjusted for some plots with
+#' trial-and-error strategy.
+#'
+#' @return NULL.
+#'
+#' @export
+#'
+#' @encoding UTF-8
+#' @author Frédéric Grelot
+#'
+#' @examples
+#'
+#' \dontrun{
+#' library(sf)
+#' plot(so_ii_collectivity[0])
+#' add_bar(d = 10, xy = c(3.55, 43.47), adj = c(0.5, -1))
+#' }
+
+
+add_bar = function(
+ d = NULL,
+ xy = NULL,
+ adj = NULL,
+ lon = 0.4788987
+) {
+ d = adjust_terra_scale(d)
+ xy = calculate_terra_xy(xy)
+ if (is.null(adj)) {
+ # Magical adjustment when scope vary to have text readable
+ # 0.4788987 should correspond to longitude range for so.ii scope
+ adj = diff(graphics::par()$usr[3:4])
+ adj = c(
+ 0.5,
+ -1 * exp(lon / adj - 1)^.024
+ )
+ }
+
+ terra::sbar(
+ d = d[1],
+ xy = xy,
+ type = "bar",
+ below = "km",
+ label = c(0, d[2]/2, d[2]),
+ lonlat = FALSE,
+ adj = adj,
+ cex = .8
+ )
+}
+
adjust_terra_scale = function(d = NULL, lonlat = TRUE) {
destpoint = function (p, d, b = 90, r = 6378137) {
toRad = pi/180
diff --git a/so.ii/R/map_so_ii.R b/so.ii/R/map_so_ii.R
index 54ff95b2a9ae31abcdff7cd8f53ae826421b7e47..4e5783b2ccbff22290a57a202f130bffc521325c 100644
--- a/so.ii/R/map_so_ii.R
+++ b/so.ii/R/map_so_ii.R
@@ -289,33 +289,16 @@ map_so_ii = function(
## Plot bar
if (bar == TRUE) {
if (identical(scope, so.ii::so_ii_limit)) {
- # d = 10
- d = adjust_terra_scale(10)
- xy = c(3.55, 43.47)
- adj = c(0.5, -1)
- } else {
- # area = sf::st_area(sf::st_as_sfc(sf::st_bbox(scope)))
- # d = max(pretty(units::set_units(sqrt(area) / 5, "km")))
- d = adjust_terra_scale()
- xy = calculate_terra_xy("bottomleft")
- # Magical adjustment when scope vary to have text readable
- # 0.4788987 should correspond to longitude range for so.ii scope
- adj = diff(graphics::par()$usr[3:4])
- adj = c(
- 0.5,
- -1 * exp(0.4788987 / adj - 1)^.024
+ # Parameters fitted for so_ii scope
+ add_bar(
+ d = 10,
+ xy = c(3.55, 43.47),
+ adj = c(0.5, -1),
+ lon = 0.4788987
)
+ } else {
+ add_bar()
}
- terra::sbar(
- d = d[1],
- xy = xy,
- type = "bar",
- below = "km",
- label = c(0, d[2]/2, d[2]),
- lonlat = FALSE,
- adj = adj,
- cex = .8
- )
}
## Plot inset
diff --git a/so.ii/man/add_bar.Rd b/so.ii/man/add_bar.Rd
new file mode 100644
index 0000000000000000000000000000000000000000..d8abd09847f9da499d4e2fb5ac1ac23dcd27b38c
--- /dev/null
+++ b/so.ii/man/add_bar.Rd
@@ -0,0 +1,40 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/adjust_terra_scale.R
+\encoding{UTF-8}
+\name{add_bar}
+\alias{add_bar}
+\title{Add a bar to a map}
+\usage{
+add_bar(d = NULL, xy = NULL, adj = NULL, lon = 0.4788987)
+}
+\arguments{
+\item{d}{integer, size of the bar in km.}
+
+\item{xy}{either a character or a vector giving the position of the bar in
+the plot.}
+
+\item{adj}{numeric of length 2, adjustment for text placement.}
+
+\item{lon}{numeric of length 1, may be adjusted for some plots with
+trial-and-error strategy.}
+}
+\value{
+NULL.
+}
+\description{
+Add a bar to a map
+}
+\details{
+Correct some things in sbar from terra to add scale bar to plots.
+}
+\examples{
+
+\dontrun{
+library(sf)
+plot(so_ii_collectivity[0])
+add_bar(d = 10, xy = c(3.55, 43.47), adj = c(0.5, -1))
+}
+}
+\author{
+Frédéric Grelot
+}