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ggplotly breaks discrete x-axis with facet_yyyy in panels > 1 with only one category #1720

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trekonom opened this issue Mar 10, 2020 · 0 comments · Fixed by #1788
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trekonom commented Mar 10, 2020

ggplotly breaks a discrete axis with facet_yyyy when there is only one category present in a panel, except for the case that this happens to be the first panel. I stumbled over this bug based on a question on Stackoverflow:

library(plotly)

d <- data.frame(cat = c("A", "A", "A"), pan = paste("Panel", c(1, 2, 2)))
ggplot(d, aes(cat)) +
  geom_bar() +
  facet_wrap(~pan)

ggplotly()

facet-breaks-axis

Created on 2020-06-02 by the reprex package (v0.3.0)

@trekonom trekonom changed the title ggplotly breaks discrete x-axis with facet_yyyy and scales "free_x" when there is only one category a panel ggplotly breaks discrete x-axis with facet_yyyy in panels > 1 with only one category Jun 2, 2020
chschan pushed a commit to Displayr/plotly that referenced this issue Jun 22, 2020
* Fix bug in verify_attr. Closes issue plotly#1720.

* Add test to check that ggplotly does not break discrete x-axis in facet panels with only one category.

* Update tests/testthat/test-facet-axis.R

Co-authored-by: Carson Sievert <cpsievert1@gmail.com>

* Add news item.

* Translate `\n` to `<br />` in fct labels, too (plotly#1700)

* Translate `\n` to `<br />` in fct labels, too

Before, this only worked for colums of type character.

* add @salim-b as ctb

* Add test for `translate_linebreaks()`

* remove superfluous char conversion

* change order of authors

* replace forcats code with base R

* add news item

Co-authored-by: Stefan Moog <moogs@gmx.de>
Co-authored-by: Carson Sievert <cpsievert1@gmail.com>
Co-authored-by: Salim B <salim@posteo.de>
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