How to remove outline of circle marker when using pyplot.plot in matplotlib

Question

I\'m producing a scatter plot using pyplot.plot (instead of scatter - I\'m having difficulties with the colormap)

I am plotting using the \'o\' marker to get a circl

Answer 1

This is outlined in matplotlib.axes.Axes.scatter documentation found at https://matplotlib.org/api/_as_gen/matplotlib.axes.Axes.scatter.html

It specifies that line edge colors for scatter plot markers can be set with

 edgecolors : color or sequence of color, optional, default: ‘face’
 The edge color of the marker. Possible values:

 - ‘face’: The edge color will always be the same as the face color.
 - ‘none’: No patch boundary will be drawn.
 - A matplotib color.

 For non-filled markers, the edgecolors kwarg is ignored and forced to ‘face’ internally.

The width of the line edges can be specified with

`linewidths` : scalar or array_like, optional, default: None

The linewidth of the marker edges.

Note: The default edgecolors is ‘face’.

You may want to change this as well. If None, defaults to rcParams lines.linewidth.