Line graph points create lines to other points

[evancrow]

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What did you do?

I created a line graph using iOS-Charts

What did you expect to happen?

I wanted it to just make a line graph with points

What happened instead?

When multiple points are added some of the points draw lines to the other points, create wierd patterns that aren't wanted.

Charts Environment

Charts version/Branch/Commit Number:
Xcode version: 10.2
Swift version: 4.2
Platform(s) running Charts: iOS
macOS version running Xcode:

Demo Project

ℹ Please link to or upload a project we can download that reproduces the issue.

[liuxuan30]

upload screenshot to demo it. cannot understand. reopen with more details