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geom_violin quantile lines respond to alpha #1714

mnbram opened this issue Aug 16, 2016 · 2 comments

geom_violin quantile lines respond to alpha #1714

mnbram opened this issue Aug 16, 2016 · 2 comments


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@mnbram mnbram commented Aug 16, 2016

The lines drawn by draw_quantiles in geom_violin are affected by the alpha parameter, so they cannot be included along with a transparent fill. Maybe there is a reason, but it seems to me that they should behave like any other lines.

Simple example:

ggplot(mtcars, aes(factor(cyl), mpg)) +
  geom_violin(draw_quantiles = 0.5, alpha = 0)
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@mnbram mnbram commented Aug 22, 2016

I have a one line fix for this, but as it changes default behavior and I'm not exactly an expert software developer, I'm hesitant to submit it as a pull request. Should I do so anyway?

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@thomasp85 thomasp85 commented Aug 23, 2016

No harm in trying - we'll guide you through any quirks

@hadley hadley closed this Sep 23, 2016
@hadley hadley added this to the v2.2.0 milestone Sep 23, 2016
@hadley hadley added bug ready labels Sep 23, 2016
@lock lock bot locked as resolved and limited conversation to collaborators Jun 19, 2018
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