Why does my MATLAB plot refresh at unpredicatable times even though 'EraseMode' is set to 'None'?

Lincoln asked: 2020-08-07 matlab , plot ,

Struggling with unpredictable MATLAB plot refreshing despite using EraseMode? Discover why it happens & how to fix it! Get solutions for stable MATLAB plots n

Expert Answer

John Williams answered . 2025-07-14 13:52:17

Fix for MarkerEdgeColor Bug in MATLAB

A bug in MATLAB affects how the MarkerEdgeColor property handles color transitions between blue and cyan. Our development team is currently investigating this issue.

Solution:

Switching to any colormap that avoids blue/cyan or cyan/blue transitions (such as pink, hot, cool, spring, or flag) resolves the problem.

Workaround:

To avoid this bug, do not change the MarkerEdgeColor property. Keeping this property constant ensures that the EraseMode functions correctly.

This advice can help you avoid issues with color transitions in MATLAB plots.

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