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Add a minor note about the difference of the unit of size to FAQ #5446

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Dec 15, 2023
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Add a minor note about the difference of the unit of size to FAQ #5446

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Add notes about the difference of the unit of size
yutannihilation Oct 1, 2023
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Mention size.unit
yutannihilation Dec 14, 2023
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6 changes: 6 additions & 0 deletions vignettes/articles/faq-customising.Rmd
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Expand Up @@ -505,6 +505,12 @@ GeomLabel$default_aes$size

You can change the size using the `size` argument in `geom_text()` for a single plot. If you want to use the same updated size, you can set this with `update_geom_defaults()`, e.g. `update_geom_defaults("text", list(size = 6))`.

One tricky thing is that this `size` is in **mm** while the `size` of `element_text()` is in pt.
If you want to match `geom_text()`'s font size to the theme's size,
specify `size.unit = "pt"` in `geom_text()` for a single plot,
or divide the number by the `.pt` constant variable for `update_geom_defaults()`.
Please refer to ["Font size" section of the aesthetic specifications](https://ggplot2.tidyverse.org/articles/ggplot2-specs.html#font-size) for more details.

<details>

<summary>See example</summary>
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