Re: [Matplotlib-users] How to draw a region of interest

[Charlie M. <cw...@gm...>]

On 8/4/06, Daniel Kornhauser <kor...@re...> wrote:
> Hi:
>
> Just stared playing with matplotlib, I want to draw a polygon on top of
> an image to select a region of interest in the image.
> Does anybody have any example or advice on how to interactively draw a
> polygon with the mouse by placing it's vertices's one click at a time ?
> Another case that I have would be just to fill a region with a thick
> line, searched for a "doodle example" or a "paint example" but could not
> find them, any advice would be appreciated too.

Look in at the widget examples.  There is a new Lasso widget for
"doodling" and a RectangleSelector.

- Charlie