How to annotate heat maps in Makie.jl.
I was going through this post and the code in the question doesn’t seem to produce the text (numbers) on the heatmap.
The code is also provided below:
using DataFrames using CSV using CairoMakie download("https://raw.githubusercontent.com/mwaskom/seaborn-data/master/flights.csv", "flights.csv") flights = DataFrame(CSV.File("flights.csv")) data = Array(unstack(flights, :year, :month, :passengers)[!, 2:end]) fig = Figure() ax = Axis(fig[1, 1], xlabel = "Year", ylabel = "Month") hm = heatmap!(ax, data) Colorbar(fig[1, 2], hm) text!(ax, string.(data'), position = [Point2f(x, y) for x in 1:12 for y in 1:12], align = (:center, :center), color = ifelse.(data' .< 400, :white, :black), textsize = 14, ) save("figure.png", fig) fig
The error that I get:
Any help is appreciated. Thanks!