[query/ggplot] Shows legend group for single-value columns #13113
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CHANGELOG:
hail.ggplot.geom_point
now displays a legend group for a column even when it has only one value in it.Currently, if a column with only one value in it is passed to either the
color
or theshape
aesthetic forgeom_point
, the generated legend will not include a group with a single entry for that aesthetic. However, R's ggplot2 library in the same situation includes such a legend group.This change brings our ggplot implementation into line with R's ggplot2 in that regard.
For example, this code:
generates a plot legend like this on
main
:but generates one like this on this branch: