>> Hi, >> >> I have already asked about that but I'm back once again :) >> >> The way I use matplotlib may be a corner case: >> I'm often looking at large (4k x 4k) images and I do want to see the >> pixels values moving the mouse over the display. >> imshow does a great job but all the backend only display "x= y=". >> I would love to see "x= y= Z=" (or "value="...call it the way you want ;)) >> >> What is the best way to do that? >> imshow is great because there is nothing to connect to see x and y >> values on the backend. >> I need to code something as simple as imshow to get also the pixel values. >> > > The easiest way I can think of is to override Axes.format_coord > method. A pseudo code might look like below > > def report_pixel(x, y): > # get the pixel value > v = get_pixel_value_of_your_image(x,y) > > return "x=%f y=%f value=%f" % (x, y, v) > > ax = gca() > ax.format_coord = report_pixel > > The code will become more complicated if you want to support multiple images. > This solution is far from elegant, but maybe the easiest one. > > -JJ > > >> Is there really on way to get that as a new option in imshow? at least >> in one of the backend (as a starting point) >> >> Best Regards, >> Xavier >> Thanks it does work but I still wonder why it is not an option in imshow
Xavier ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
