On Wednesday, March 9, 2011, Mads Ipsen <madsip...@gmail.com> wrote: > Hi, > > I am using the Qt4 based back engine for displaying a 2D plot in a > widget. The plot typically contains lots of line plots. Suppose I add a > CirclePolygon to the plot like this: > > circle = CirclePolygon((x,y), radius=0.04, edgecolor='black', > facecolor='red', zorder=1) > axes.add_patch(circle) > > Then when I start to zoom in the window the aspect ratio of the circle > is not preserved (it appears like an ellipse). If you plot a line with > points, displaying its points using circles, these circles do have their > aspect ratio (and size) preserved. There must be some approach for > achieving the same effect for a manually added circle. > > Any help is appreciated, > > Best regards, > > Mads >
Mads, The way this is done is tricky. The transform object assigned to the circles in plot() and scatter() are different than the default when you make a circle polygon yourself. The easiest way to get them is to just simply use scatter() and pass in your own size value. I hope that helps! Ben Root ------------------------------------------------------------------------------ Colocation vs. Managed Hosting A question and answer guide to determining the best fit for your organization - today and in the future. http://p.sf.net/sfu/internap-sfd2d _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
