Colors lost in Matplotlib 3D scatter plot
Rather than using ax.plot(x,y, 'o') try ax.plot(x,y,'.') or ax.plot(x,y,'*'. The 'o' is specifying the marker to use, and the 'o' marker is a large filled circle, which is why your plot looks ugly.
Rather than using ax.plot(x,y, 'o') try ax.plot(x,y,'.') or ax.plot(x,y,'*'. The 'o' is specifying the marker to use, and the 'o' marker is a large filled circle, which is why your plot looks ugly.