# \#sphere

**URL:** https://discourse.julialang.org/tag/sphere/908.md

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## [There's a hole in a sphere generated by makie.surface](https://discourse.julialang.org/t/theres-a-hole-in-a-sphere-generated-by-makie-surface/118555)

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**Author:** [@xczphysics](https://discourse.julialang.org/u/xczphysics)\
**Replies:** 8\
**Last updated:** [August 24, 2024, 5:38pm UTC](https://discourse.julialang.org/t/theres-a-hole-in-a-sphere-generated-by-makie-surface/118555 "2024-08-24T17:38:12Z")

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Take a look at this Eye !!! Unlike mesh(spheremesh) method, current surface(x,y,z) method leaves a circular hole at the north pole of the ball, see: Transparent surfaces in Makie.jl - #2 by sdanisch CairoMakie inve…

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## [\[ANN\] Cosmology on the sphere with PowerSpectra.jl, WignerFamilies.jl, and Healpix.jl 3.0](https://discourse.julialang.org/t/ann-cosmology-on-the-sphere-with-powerspectra-jl-wignerfamilies-jl-and-healpix-jl-3-0/73799)

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**Author:** [@xzackli](https://discourse.julialang.org/u/xzackli)\
**Replies:** 0\
**Last updated:** [December 30, 2021, 1:24am UTC](https://discourse.julialang.org/t/ann-cosmology-on-the-sphere-with-powerspectra-jl-wignerfamilies-jl-and-healpix-jl-3-0/73799 "2021-12-30T01:24:14Z")

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Here are some related packages for the analysis of sky maps. In cosmology, this is sometimes called “curved sky” data analysis, since observations are made on the celestial sphere. These packages have been around for a w…