[Matplotlib-users] How do you add contrasting text to color image

I have I have an image with both light and dark regions. I want to write text on it in a color that contrasts with the underlying image color. Right now if I make the text black, it is not very legible if the underling color is dark. Similarly, if I make the text white, it is not legible if the u

[Matplotlib-users] force the scale of one scatter plot on a second scatter plot

I want to make one scatter plot and use the same scales on another. I think I seen getting the Axes from the first scatter plot using v=axis() and then setting them on second with axis(v) but I can not get to work. Any help appreciated ---