Date: Jan 25, 2013 2:56 AM
Author: Derek Goring
Subject: Re: drawing over contourf plots with plot

On Friday, January 25, 2013 2:05:08 PM UTC+13, G. Michael wrote:
> I have made a contour plot with contourf, i have hold on. I want to draw lines on top of the contour plot using plot, but nothing is drawn. How do I draw on top of contour plots using plot?

Just do it the way you describe.
It works. I do it all the time.
Of course, the colour of the lines has to be distinguishable from the colours of the contours and the data have to be within the x-y domain of contourf.