Polar heatmaps

using Plots
gr()

θ = range(0, 2π; length = 100)
ρ = range(0, 120; length = 50)
z = sin.(ρ ./ 10) .* (cos.(θ))'
heatmap(θ, ρ, z; projection = :polar, color = :cividis, right_margin = 2 * Plots.mm)

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