Request something like "dodge" along path

[dmoul]

Thanks for this package!

Would it be possible to provide more control over where the text / label is placed along the curve? I think in general putting it in the middle is a good guess, but sometime the middle is where things are the most busy, as in the example below.

library(tidyverse)
library(geomtextpath)

set.seed(2022)
tibble(x = seq(0, 1, 0.01),
       a_fairly_long_label = rnorm(x, mean = 0, sd = 1),
       b_fairly_long_label = rnorm(x, mean = 0.5, sd = 1)
) %>%
  pivot_longer(cols = c(a_fairly_long_label, b_fairly_long_label), 
               names_to = "group", values_to = "y") %>%
  ggplot(aes(x, y, linetype = group)) +
  #geom_smooth(se = FALSE) +
  geom_labelsmooth(aes(label = group), method = "loess", formula = y ~ x,
                   se = FALSE) +
  theme_minimal() +
  theme(legend.position = "none")

^{Created on 2022-02-22 by the reprex package (v2.0.1)}

[teunbrand]

Hi there,

Have you tried playing around with the hjust aesthetic? It control where along the line text is placed. See also this part of the vignette.

[AllanCameron]

You can set the hjust to any value between 0 and 1, or you can map it to an aesthetic (we have included scale_hjust_* functions for this very purpose, which by default dodge labels), or you can even set it to "auto"

library(tidyverse)
library(geomtextpath)

set.seed(2022)
tibble(x = seq(0, 1, 0.01),
       a_fairly_long_label = rnorm(x, mean = 0, sd = 1),
       b_fairly_long_label = rnorm(x, mean = 0.5, sd = 1)
) %>%
  pivot_longer(cols = c(a_fairly_long_label, b_fairly_long_label), 
               names_to = "group", values_to = "y") %>%
  ggplot(aes(x, y, linetype = group)) +
  #geom_smooth(se = FALSE) +
  geom_labelsmooth(aes(label = group), method = "loess", formula = y ~ x,
                   se = FALSE, hjust = "auto") +
  theme_minimal() +
  theme(legend.position = "none")

^{Created on 2022-02-23 by the reprex package (v2.0.1)}

[dmoul]

Wow, very good! Thanks for the explanation. For anyone who comes along after and is reading this:

• using hjust = 0.2 will put both labels in this case on the left side of the cross-over.
• using hjust = "auto" in this case puts them at opposite ends as shown above.