[Matplotlib-users] Setting transparent pixels during overplotting

2011-11-25 Thread Keith Hughitt
Hi, I would like to draw a contour plot on top of an image and such that any values of the countour plot x are made transparent. Here is what I am doing at the moment to handle the overplotting: from matplotlib import pyplot as plt fig = plt.figure() axes = fig.add_subplot(111) contour =

[Matplotlib-users] graph for streaming data in gtk+

2011-11-25 Thread Luka Napotnik
Hello. I'm searching for a method to show a stream of data on a graph. So far I've only managed to get the stream on a regular graph but the data bandwidth is very high (100 samples/sec) and the usual graph doesn't handle redrawing so good. I was searching for a way to utilize the animation

Re: [Matplotlib-users] Setting transparent pixels during overplotting

2011-11-25 Thread Benjamin Root
On Friday, November 25, 2011, Keith Hughitt keith.hugh...@gmail.com wrote: Hi, I would like to draw a contour plot on top of an image and such that any values of the countour plot x are made transparent. Here is what I am doing at the moment to handle the overplotting: from matplotlib import

Re: [Matplotlib-users] Removing ticks and frame (imshow)

2011-11-25 Thread Marianne C.
Hi Friedrich and everybody else, Thank you for your reply. I think I am not getting everything, but in my understanding, the object which I create is not a Figure or an Axis, it is an AxesImage. gca() or gcf() return errors indeed. Therefore, I cannot use attributes which are specific to

Re: [Matplotlib-users] Removing ticks and frame (imshow)

2011-11-25 Thread Gökhan Sever
On Thu, Nov 24, 2011 at 7:57 AM, Marianne C. mariyann...@gmail.com wrote: My name is Marianne, I am a beginner user of matplotlib. I am using imshow in pyplot. I am desperate to get rid of the ticks on both x and y axes (see attached picture). I do not need the black box around the data