Søren Nielsen wrote: > > Søren Nielsen wrote: > > Also, if I want to use matplotlib.patches on a canvas where I > can actually see individual pixels, is it possible to only > draw on the available pixels showing, and not just make a nice > high resolution line that is plotted on top of my image? > > I'm not sure I understand the question. You mean to draw a line > using large pixels, rather than as a vector? I don't think > there's an easy way on that one -- but maybe someone else here can > think of a creative way to do it. > > > Yes you understod it correctly, I guess I could figure out what pixels > are involved in a line or a circle for instance, and then do a scatter > plot on those pixels to form the shape.. but it sounds really > computationally heavy.. and I need something that works fast, (the > user should be able to mask a circle in an image using the pixels > available in the image) Also the circle should be shown as it is > created (like choosing a center and moving the mouse enlarges the > circle). > > Maybe someone tried this? masking stuff in an image seems like a > fairly common thing :) Of the top of my head and hand waving over all of the gory details -- you could try drawing the line to one plot, saving the image (to a CStringIO in-memory "file"), and then loading that into another plot using imshow(). (Easier said than done, but should be theoretically possible, and not extremely slow).
Mike > > Thanks for the help! > Soren > > > > > > Cheers, > Mike > > > Thanks, > Soren > > > > ------------------------------------------------------------------------ > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by the 2008 JavaOne(SM) > Conference Don't miss this year's exciting event. There's > still time to save $100. Use priority code J8TL2D2. > > http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone > > ------------------------------------------------------------------------ > > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > <mailto:Matplotlib-users@lists.sourceforge.net> > https://lists.sourceforge.net/lists/listinfo/matplotlib-users > > > > -- > Michael Droettboom > Science Software Branch > Operations and Engineering Division > Space Telescope Science Institute > Operated by AURA for NASA > > -- Michael Droettboom Science Software Branch Operations and Engineering Division Space Telescope Science Institute Operated by AURA for NASA ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
