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Fix grid errors when quantiles falls outside of violin #3254

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Merged
thomasp85 merged 3 commits into from
Apr 24, 2019
Merged

Fix grid errors when quantiles falls outside of violin #3254

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5443a21
Fix grid errors when quantiles falls outside of violin
thomasp85 Apr 23, 2019
596926e
Add news bullet
thomasp85 Apr 23, 2019
29fbf65
Fix NEWS spelling/grammar
yutannihilation Apr 24, 2019
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3 changes: 3 additions & 0 deletions NEWS.md
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,9 @@ core developer team.

* `geom_rug()` now works with `coord_flip()` (@has2k1, #2987).

* `geom_violin()` no longer throws an error when quantile lines fall outside
the violin polygon (@thomasp85, #3254).

* Default labels are now generated more consistently; e.g., symbols no longer
get backticks, and long expressions are abbreviated with `...`
(@yutannihilation, #2981).
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9 changes: 7 additions & 2 deletions R/geom-violin.r
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Expand Up @@ -136,12 +136,17 @@ GeomViolin <- ggproto("GeomViolin", Geom,
quantiles <- create_quantile_segment_frame(data, draw_quantiles)
aesthetics <- data[
rep(1, nrow(quantiles)),
setdiff(names(data), c("x", "y")),
setdiff(names(data), c("x", "y", "group")),
drop = FALSE
]
aesthetics$alpha <- rep(1, nrow(quantiles))
both <- cbind(quantiles, aesthetics)
quantile_grob <- GeomPath$draw_panel(both, ...)
both <- both[!is.na(both$group), , drop = FALSE]
quantile_grob <- if (nrow(both) == 0) {
zeroGrob()
} else {
GeomPath$draw_panel(both, ...)
}

ggname("geom_violin", grobTree(
GeomPolygon$draw_panel(newdata, ...),
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