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How to remove a single semi-transparent pixel at the edge of a graph

I use the same time point as the start time and end time to draw a Gantt chart.

However, I found that there is a light edge of one pixel between the two tasks, which is very ugly.

So I asked this question: How to remove a single semi-transparent pixel at the edge of a graph?

My English is not good, please forgive me.

image

image

I find it~
https://community.plotly.com/t/how-to-remove-the-white-border-from-bar-marker/41724

1 Like