# AlgebraOfGraphics visual(Lines): how can I keep AoG from joining up lines corresponding to different parameter values?

**URL:** <https://discourse.julialang.org/t/algebraofgraphics-visual-lines-how-can-i-keep-aog-from-joining-up-lines-corresponding-to-different-parameter-values/100661>\
**Category:** Visualization\
**Created:** [June 21, 2023, 3:08pm UTC](https://discourse.julialang.org/t/algebraofgraphics-visual-lines-how-can-i-keep-aog-from-joining-up-lines-corresponding-to-different-parameter-values/100661 "2023-06-21T15:08:42Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![karlroyen](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/karlroyen/32/9301_2.png) [@karlroyen](https://discourse.julialang.org/u/karlroyen)\
**Post date:** [June 22, 2023, 4:48am UTC](https://discourse.julialang.org/t/algebraofgraphics-visual-lines-how-can-i-keep-aog-from-joining-up-lines-corresponding-to-different-parameter-values/100661/6 "2023-06-22T04:48:41Z")

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You can add `NaN` to the end of the data for each line:

```julia
dfs = [DataFrame(x = [1:10; Inf], y = [α*(1:10).^2; NaN], parameter = α) for α = 1.0:0.1:1.5]

```

 ![aog-example-colorbar](https://global.discourse-cdn.com/julialang/original/3X/2/8/286a787f93edf0ef6bb0d117b19c37017a1f29e8.png)

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