# Simplex heatmap

**URL:** <https://discourse.julialang.org/t/simplex-heatmap/83640>\
**Category:** Visualization\
**Tags:** gmt\
**Created:** [July 1, 2022, 7:53pm UTC](https://discourse.julialang.org/t/simplex-heatmap/83640 "2022-07-01T19:53:13Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![juliohm](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/juliohm/32/215266_2.png) [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Post date:** [July 1, 2022, 8:09pm UTC](https://discourse.julialang.org/t/simplex-heatmap/83640/2 "2022-07-01T20:09:51Z")

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Are you after a ternary plot?

> [@Ternary plots](https://discourse.julialang.org/t/ternary-plots/60867):
>
> I am looking to replicate the figure below (from Wikipedia on the Dirichlet distribution). Is there any way to do this currently in Julia (the vertical color scale is not that important)? [Dirichlet]

There are open issues in plotting packages to support these maps. I know that TernaryPlots.jl had something working at some point:

> **[GitHub - jacobusmmsmit/TernaryPlots.jl: Ternary/simplex plotting recipe/addon...](https://github.com/jacobusmmsmit/TernaryPlots.jl)**
>
> Ternary/simplex plotting recipe/addon for Plots.jl - GitHub - jacobusmmsmit/TernaryPlots.jl: Ternary/simplex plotting recipe/addon for Plots.jl

Also, Zulip has a discussion with various more advanced tricks:

[https://julialang.zulipchat.com/#narrow/stream/225542-helpdesk/topic/Can.20a.20recipe.20be.20used.20for.20ternary.20plots.3F](https://julialang.zulipchat.com/#narrow/stream/225542-helpdesk/topic/Can.20a.20recipe.20be.20used.20for.20ternary.20plots.3F)

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