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Explain how to fix fill guide for points with filled shapes #6229

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merged 2 commits into from
Dec 13, 2024
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Explain how to fix fill guide for points with filled shapes #6229

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fad53be
Explain how to fix fill guide for points with filled shapes
arcresu Dec 10, 2024
f2c10f5
Refine filled point example in docs
arcresu Dec 13, 2024
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7 changes: 7 additions & 0 deletions R/geom-point.R
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Expand Up @@ -85,6 +85,13 @@
#' ggplot(mtcars, aes(wt, mpg)) +
#' geom_point(shape = 21, colour = "black", fill = "white", size = 5, stroke = 5)
#'
#' # The default shape in legends is not filled, but you can override the shape
#' # in the guide to reflect the fill in the legend
#' ggplot(mtcars, aes(wt, mpg, fill = factor(carb), shape = factor(cyl))) +
#' geom_point(size = 5, stroke = 1) +
#' scale_shape_manual(values = 21:25) +
#' scale_fill_ordinal(guide = guide_legend(override.aes = list(shape = 21)))
#'
#' \donttest{
#' # You can create interesting shapes by layering multiple points of
#' # different sizes
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7 changes: 7 additions & 0 deletions man/geom_point.Rd
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2 changes: 2 additions & 0 deletions vignettes/ggplot2-specs.Rmd
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Expand Up @@ -251,6 +251,8 @@ ggplot(sizes, aes(size, stroke, size = size, stroke = stroke)) +
scale_size_identity()
```

Because points are not typically filled, you may need to change some default settings when using these shapes and mapping `fill`. In particular, discrete `fill` guides will be drawn with an unfilled shape unless overridden (refer to `geom_point()` for an example of this).

## Text

### Font family
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