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How to change line width on parallel coordinates plot

Is there a way to change the width of the lines for my data in a parallel coordinates plot?

Hello, and welcome to the community forum!

Right now you cannot modify the default width of lines. This is because to keep performance very high for large parcoords plots, we made the design choice to make the line width constant.

However, there is an open issue/feature request at https://github.com/plotly/plotly.js/issues/2573 which addresses this specific topic.

Please feel free to comment there if this is functionality you would like to see!