Alpha affects line geom_sf()

[yutannihilation]

Fix #3589

library(ggplot2)
library(sf)
#> Linking to GEOS 3.7.2, GDAL 3.0.1, PROJ 6.2.0

d <- data.frame(x = 1:5, y = 1:5)

l <- st_linestring(as.matrix(d))
sf <- st_sf(geometry = st_sfc(l))

p1 <- ggplot(d, aes(x, y)) + geom_line(alpha = 0.1) + ggtitle("geom_line()")
p2 <- ggplot(sf) + geom_sf(alpha = 0.1) + ggtitle("geom_sf()")

patchwork::wrap_plots(p1, p2)

^{Created on 2019-11-04 by the reprex package (v0.3.0)}

[clauswilke]

Maybe write in a positive way: "geom_sf() now applies alpha to linestring geometries ..."?

[yutannihilation]

Thanks, it sounds better.

[lock]

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