# meshL (Line) with different colored dots in plot

**URL:** <https://community.freefem.org/t/meshl-line-with-different-colored-dots-in-plot/4106>\
**Category:** General Discussion\
**Created:** [October 20, 2025, 11:08am UTC](https://community.freefem.org/t/meshl-line-with-different-colored-dots-in-plot/4106 "2025-10-20T11:08:36Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![MBK](https://avatars.discourse-cdn.com/v4/letter/m/838e76/32.png) [@MBK](https://community.freefem.org/u/MBK)\
**Post date:** [October 20, 2025, 11:08am UTC](https://community.freefem.org/t/meshl-line-with-different-colored-dots-in-plot/4106/1 "2025-10-20T11:08:36Z")

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Hello!

When playing and testing with meshL I have sometimes red or black dots on the line in plot.  
What does that colored difference mean?

Some kind of indicator for cleanness?

Greetings