Skip to content

Fix for position_dodge(preserve = "single") with location based data #6000

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Sep 13, 2024
Merged

Fix for position_dodge(preserve = "single") with location based data #6000

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
d8bd6d7
fallback for location based data
teunbrand Jul 15, 2024
1a39648
Warn when x/xmin are absent
teunbrand Sep 13, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 9 additions & 2 deletions R/position-dodge.R
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,11 @@ PositionDodge <- ggproto("PositionDodge", Position,
reverse = NULL,
setup_params = function(self, data) {
flipped_aes <- has_flipped_aes(data, default = self$orientation == "y")
check_required_aesthetics(
if (flipped_aes) "y|ymin" else "x|xmin",
names(data), snake_class(self)
)

data <- flip_data(data, flipped_aes)
if (is.null(data$xmin) && is.null(data$xmax) && is.null(self$width)) {
cli::cli_warn(c(
Expand All @@ -117,8 +122,10 @@ PositionDodge <- ggproto("PositionDodge", Position,
if (identical(self$preserve, "total")) {
n <- NULL
} else {
n <- vec_unique(data[c("group", "PANEL", "xmin")])
n <- vec_group_id(n[c("PANEL", "xmin")])
data$xmin <- data$xmin %||% data$x
cols <- intersect(colnames(data), c("group", "PANEL", "xmin"))
n <- vec_unique(data[cols])
n <- vec_group_id(n[setdiff(cols, "group")])
n <- max(tabulate(n, attr(n, "n")))
}

Expand Down
16 changes: 16 additions & 0 deletions tests/testthat/test-position_dodge.R
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -37,3 +37,19 @@ test_that("position_dodge() can reverse the dodge order", {
ld <- get_layer_data(p + geom_col(position = position_dodge(reverse = FALSE)))
expect_equal(ld$label[order(ld$x)], c("A", "A", "B", "B", "C"))
})

test_that("position_dodge warns about missing required aesthetics", {

# Bit of a contrived geom to not have a required 'x' aesthetic
GeomDummy <- ggproto(NULL, GeomPoint, required_aes = NULL, optional_aes = "x")

p <- ggplot(mtcars, aes(cyl, disp, colour = factor(vs))) +
layer(
geom = GeomDummy,
stat = "identity",
position = position_dodge(width = 0.5),
mapping = aes(x = NULL)
)

expect_error(ggplot_build(p), "requires the following missing aesthetics")
})
Loading