set options for drawing gridlines on heatmaps
heat_grid(
col = "white",
alpha = 1,
lty = 1,
lwd = 0.5,
lex = 1,
lineend = "round",
linejoin = "round"
)
Colour for lines and borders.
Alpha channel for transparency
Line type
Line width
Multiplier applied to line width
Line end style (round, butt, square)
Line join style (round, mitre, bevel)