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Plot Compositions don't render in Quarto with knitr #970
Description
The new plot composition options are really exciting, but they don't work when the engine is set to knitr. (This issue might instead belong to Quarto or knitr.)
---
title: "Plot composition in Quarto"
engine: knitr
---
```{python}
from plotnine import ggplot, aes, geom_point, geom_bar
from plotnine.data import diamonds
p1 = (
ggplot(
data = diamonds,
mapping = aes(x = "carat", y = "price"))
+ geom_point()
)
p2 = (
ggplot(
data = diamonds,
mapping = aes(x = "cut"))
+ geom_bar()
)
```
Individual plots can be shown with `.show()`:
```{python}
p1.show()
```
Combined plots don't have a `.show()` method.
```{python}
combined = p1 / p2
combined
```
When rendered, the last code chunk yields this as output:
Stack(items=[<plotnine.ggplot.ggplot object at 0x108f3eb10>, <plotnine.ggplot.ggplot object at 0x10d893ac0>])
Activity
ENH: Improve getting output with quarto and the knitr engine
has2k1 commentedon Aug 28, 2025
Resolving this as part of #969, and when the plots are the last they should be shown automatically.
jmclawson commentedon Aug 28, 2025
Thanks, on both counts. I look forward to trying it out!
ENH: Improve getting output with quarto and the knitr engine