Re: [Matplotlib-users] Hiding axis

2012-11-28 Thread Angus McMorland
On 28 November 2012 15:28, Vilson Vieira vil...@void.cc wrote: Hi, I'm using matplotlib to draw some generative art works. I'm trying to hide the axis but when I do that the lines that are over the axis are hidden as well, like this example: http://i.imgur.com/hKqMi.png The code I'm using

Re: [Matplotlib-users] Why are bars, errorbars... clipped

2012-03-18 Thread Angus McMorland
On 18 March 2012 04:39, klo uo klo...@gmail.com wrote: Assuming IPython in pylab mode: a = [0.1, 0.2, 0.1] errorbar(arange(3), a, yerr=a-sum(a)/len(a), fmt='ro') Result MPL output clips limit values in two different ways: 1. If GTK backend is used both left and right sides are

Re: [Matplotlib-users] Why are bars, errorbars... clipped

2012-03-18 Thread Angus McMorland
On 18 March 2012 08:43, klo uo klo...@gmail.com wrote: On Sun, Mar 18, 2012 at 1:07 PM, Angus McMorland amcm...@gmail.com wrote: The xlim command can be used to set the x limits. For example: xlim(-.5, 2.5) will prevent the points lying on the axis boundaries for your case. Thanks

Re: [Matplotlib-users] [matplotlib-users] How connect axes on matplotlib subplots

2012-02-02 Thread Angus McMorland
On 2 February 2012 08:32, Fabien Lafont lafont.fab...@gmail.com wrote: Hello! How can I zoom exactly on the same region on two different subplots at the same time. This option is enable when I use plotfile but not if I use plot, and subplots? Create the first axes object, then when you

Re: [Matplotlib-users] How to plot heatmap with matplotlib?

2011-09-26 Thread Angus McMorland
On 25 September 2011 06:59, fdu.xia...@gmail.com fdu.xia...@gmail.com wrote: Dear all, Heatmap (like those on the page http://www2.warwick.ac.uk/fac/sci/moac/students/peter_cock/r/heatmap/) is a frequently used type of image in microarray data analysis. However, it seems there are no

Re: [Matplotlib-users] Matplotlib-users Digest, Vol 62, Issue 3

2011-07-03 Thread Angus McMorland
On 3 July 2011 10:33, Wang Jun daxi...@gmail.com wrote: Hello, Angus! For this method, if I want to draw a colorbar to indicate the specific values for the colors, what should I do? the colorbar() in pylab is not waorking for this case. Use: plt.colorbar(ax.collections[0]) after the call

Re: [Matplotlib-users] 4D Scatter Plot

2011-07-02 Thread Angus McMorland
On 1 July 2011 14:35, Francois Lemery francois.lem...@gmail.com wrote: Hello, I am interested in producing a 4 dimensional plot to represent some data. I picture this as looking like a normal 3d scatter plot with datapoints varying in a color scale which depends on a fourth column of data.

Re: [Matplotlib-users] Spooky side effects of Axes3D

2011-03-27 Thread Angus McMorland
On 27 March 2011 20:47, Warren Weckesser warren.weckes...@enthought.com wrote: I'm using matplotlib 1.0.1.  I have the following simple script to plot a surface: - from numpy import linspace, sin, cos, meshgrid from matplotlib.pyplot import figure, show, xlabel, ylabel from matplotlib

Re: [Matplotlib-users] Specifying exactly zero inter-plot spacing in nested grids

2011-03-25 Thread Angus McMorland
Thanks Paul, On 24 March 2011 19:23, Paul Ivanov pivanov...@gmail.com wrote: I think you can get the desired functionality with gridspec alone. Take a look at doc/users/plotting/examples/demo_gridspec06.py which you can find here

Re: [Matplotlib-users] ramp shaped bars?

2011-03-25 Thread Angus McMorland
On 25 March 2011 07:31, jford14685 jford14...@gmail.com wrote: I am a newbie Python programmer trying to make 3d barplots like http://matplotlib.sourceforge.net/examples/mplot3d/bars3d_demo.html this one on the Matplotlib site. When I run the demo source (python bars3d_demo.py) it works fine.

[Matplotlib-users] Specifying exactly zero inter-plot spacing in nested grids

2011-03-24 Thread Angus McMorland
Hi all, I'm trying to get a grid of grids of plots, where the inner grids have no inter-plot spacing. Is there a recommended way to go about this? I'm aware AxesGrid can do the no-spacing requirement, but it's not so obvious that it can be used to nest one grid within another, as gridspec can.

[Matplotlib-users] whitespace around custom projection

2011-01-04 Thread Angus McMorland
Hi all, I've created a custom projection for drawing Lambert plots on two adjacent hemispheres, copied closely from the custom_projection_example [1], and attached here. The basics are working I think, but the axes objects have too much whitespace around them, and I can't immediately work out

Re: [Matplotlib-users] drawing triangle

2010-08-27 Thread Angus McMorland
On 27 August 2010 09:35, xyz mit...@op.pl wrote: Hello, I would like to draw the following triangle: A / \ 5 / \ 5 / \ / \ BC 4 How is it possible to draw the above triangle with Matplotlib and are there any examples? How

Re: [Matplotlib-users] hz to khz

2010-07-28 Thread Angus McMorland
On 28 July 2010 15:25, Waléria Antunes David waleriantu...@gmail.com wrote: Hello all, Well, my problem is ... My current code is as follow bellow: http://pastebin.com/7p2N5d64 Hi Waléria, We can't easily fix your problem without knowing what data f and Sserie contain. It would help us to

Re: [Matplotlib-users] Hz to KHz

2010-07-26 Thread Angus McMorland
On 26 July 2010 12:47, Waléria Antunes David waleriantu...@gmail.com wrote: My code like this in django: http://pastebin.com/nzM5jvuc Are you perhaps suffering from integer division? How about dividing by 1000.0, instead of 1000? Angus. i'm lost On Mon, Jul 26, 2010 at 1:42 PM,

Re: [Matplotlib-users] Hz to KHz

2010-07-26 Thread Angus McMorland
to do this is 1/1000.0 (or 1/1000. for short). I hope that helps, Angus. On Mon, Jul 26, 2010 at 1:57 PM, Angus McMorland amcm...@gmail.com wrote: On 26 July 2010 12:47, Waléria Antunes David waleriantu...@gmail.com wrote: My code like this in django: http://pastebin.com/nzM5jvuc Are you

[Matplotlib-users] install from svn, pick correct of two numpy header locations

2010-07-07 Thread Angus McMorland
Hi all, I'm trying to install matplotlib from svn. I have two versions of numpy on my computer: one installed by the Ubuntu package manager in /usr/lib and one installed from source in /usr/local/lib which takes precedence based on the order of my PYTHONPATH. I'm trying to install the latest

Re: [Matplotlib-users] install from svn, pick correct of two numpy header locations

2010-07-07 Thread Angus McMorland
On 7 July 2010 14:00, John Hunter jdh2...@gmail.com wrote: On Wed, Jul 7, 2010 at 12:12 PM, Eric Firing efir...@hawaii.edu wrote: On 07/07/2010 04:25 AM, Angus McMorland wrote: Hi all, I'm trying to install matplotlib from svn. I have two versions of numpy on my computer: one installed

Re: [Matplotlib-users] multiple lines

2010-06-01 Thread Angus McMorland
On 1 June 2010 19:05, Howard Sun h...@nvidia.com wrote: Sorry for the newbie question, how do you plot one x with multiple ys. In below data, x column is followed by 5 y columns: Many thanks! You can make an x vector and a y array, so that the first dimension of y is the same length as x:

Re: [Matplotlib-users] imshow, imsave to PIL image conversion

2010-05-31 Thread Angus McMorland
On 31 May 2010 19:49, rugspin piet_par...@web.de wrote: I have a small problem how to convert an image from matplotlib to PIL right now doing somthing like this: -- from scipy import * from pylab import * from PIL import Image a =

Re: [Matplotlib-users] imshow, imsave to PIL image conversion

2010-05-31 Thread Angus McMorland
On 31 May 2010 23:17, Angus McMorland amcm...@gmail.com wrote: On 31 May 2010 19:49, rugspin piet_par...@web.de wrote: I have a small problem how to convert an image from matplotlib to PIL right now doing somthing like this: -- from scipy import

[Matplotlib-users] axes_grid: labels on colorbar

2010-04-06 Thread Angus McMorland
Hi all, I'm trying to use an AxesGrid to plot 5 images and a color bar. I can't work out how to get labels on the colorbar, and none of the examples shows this. Can anyone help? I presume this is a simple thing, once one knows the correct command. I'm creating the grid using the following code

[Matplotlib-users] permille sign in labels

2010-03-24 Thread Angus McMorland
On 24 March 2010 10:05, Nils Wagner nwag...@iam.uni-stuttgart.de wrote: Hi all, does anybody know how to draw a permille sign in ylabel ? ax.set_ylabel(u'blah \u2030') -- AJC McMorland Post-doctoral research fellow Neurobiology, University of Pittsburgh

Re: [Matplotlib-users] format yticks

2010-03-24 Thread Angus McMorland
On 24 March 2010 17:33, Nils Wagner nwag...@iam.uni-stuttgart.de wrote: Hi all, how can I change the output format of yticks from 100 to 1.e6 ? I'm not sure if there's an easier way still, but this works: from matplotlib.ticker import Formatter class SciFormatter(Formatter): def

[Matplotlib-users] Lambert transform plot for hemisphere

2010-03-02 Thread Angus McMorland
Hi all, I'm playing around with plotting with the Lambert transform. I want to only plot one hemisphere at a time. I see that if I create the appropriate axes: ax = plt.subplot(111, projection='lambert') the resulting axis object's ax.get_xlim() and ax.get_ylim() methods give the limits in

Re: [Matplotlib-users] Setting graph to commence at 1 on x-axis

2010-02-24 Thread Angus McMorland
On 24 February 2010 13:36, AG computing.acco...@googlemail.com wrote: Hi How do I set up my matplotlib.pyplot code so that the data for the x-axis is plotted beginning at 1 not the default 0.  To illustrate: I have a set of time trials and error probability calculations.  Trials are x and

[Matplotlib-users] Equal area projection

2009-07-27 Thread Angus McMorland
Hi all, I've recently implemented a simple equal area (Lambert) projection in mpl, using two polar Axes (to draw each hemisphere), and this currently works fine to draw lines and points, since I'm transforming the points in my own code, from 3d-polar to 2d-projected-polar co-ordinates, and then

Re: [Matplotlib-users] Basemap installation on Ubuntu 9.04 (Jaunty Jackalope)

2009-07-23 Thread Angus McMorland
2009/7/23 Nicolas nicolas.faucher...@gmail.com: Hi all I was wondering if anyone managed to find / install Basemap on a i386 machine running ubuntu 9.04 (Jaunty Jackalope) ... I've installed the debs through synaptic, and I've tried without success to compile Basemap (0.99), with failure

[Matplotlib-users] sphinx mathmpl usage

2008-12-15 Thread Angus McMorland
Hi guys, I'm trying to use sphinx and your mathmpl extension to document some of my own code, but I'm getting an error saying, in the simplest instance: Warning: Could not render math expression $alpha$ Is mathmpl dependent on a particular version of sphinx? I'm using 0.4.2-1 from debian at the

Re: [Matplotlib-users] sphinx mathmpl usage

2008-12-15 Thread Angus McMorland
Hi Mike et al, Thanks for the reply. 2008/12/15 Michael Droettboom md...@stsci.edu: You don't need the $. In fact, an unescaped $ in a math expression is a syntax error. Admittedly, the feedback about this could be better than just couldn't render. I'll look at passing more information

Re: [Matplotlib-users] sphinx mathmpl usage

2008-12-15 Thread Angus McMorland
Hi Mike, 2008/12/15 Michael Droettboom md...@stsci.edu: Angus McMorland wrote: I think I've copied the usage suggested by the 'writing mathtext' page in the mpl documentation (i.e. looking at its rst source [1]). That is to say, the appearance of $ and the lack of \ are produced

Re: [Matplotlib-users] Filling between curves conditionally

2008-11-22 Thread Angus McMorland
2008/11/22 Zane Selvans [EMAIL PROTECTED]: Does anybody know of an easy way to take two intersecting curves, A(x) and B(x), and fill the areas between them only when A(x) B(x) and not when A(x) B(x)? Looks like this example from the new shiny matplotlib website should help:

Re: [Matplotlib-users] Problems in importing Pylab

2008-10-24 Thread Angus McMorland
2008/10/24 Lorenzo Isella [EMAIL PROTECTED]: Dear All, I am running Debian testing on my box. I had not used Python for about a couple of weeks (during which I updated my system regularly) only to find out that today I have a trouble if I try to import pylab. See below what happens In [1]:

Re: [Matplotlib-users] how do I get my axis

2008-10-13 Thread Angus McMorland
Hi Mathew, 2008/10/13 Mathew Yeates [EMAIL PROTECTED] Okay, I've gotten this far. I have a Figure and I think I can change the formatting of the values displayed in the toolbar by setting taking the X axis and setting the function format_xdata to something of my own (something that computes

[Matplotlib-users] Fwd: how do I get my axis

2008-10-13 Thread Angus McMorland
And forwarded to the list... forgot to hit reply to all. -- Forwarded message -- From: Angus McMorland [EMAIL PROTECTED] Date: 2008/10/13 Subject: Re: [Matplotlib-users] how do I get my axis To: Mathew Yeates [EMAIL PROTECTED] 2008/10/13 Mathew Yeates [EMAIL PROTECTED] Thanks

[Matplotlib-users] latest debian package

2008-10-08 Thread Angus McMorland
Hi all, This is just a head's-up for those using debian and who upgrade regularly. There's a problem with the latest debian package to hit testing: 0.98.1-1, which is currently unusable, throwing up the error: ImportError: /usr/lib/python2.5/site-packages/matplotlib/nxutils.so: undefined symbol:

[Matplotlib-users] Colorbar values

2008-10-05 Thread Angus McMorland
Hi all, I'm trying to plot a colour bar for a scatter plot, and set the maximum value of the plot to something arbitrary. At the moment it always comes up as 255. How can I change this? ax = plt.gca() pts = ax.scatter(coords[:,0], coords[:,1], c=np.linspace(0,1,n_pts), s=16,

[Matplotlib-users] Multiple lines with axhline?

2008-06-27 Thread Angus McMorland
Hi all, I sometimes find myself wanting to plot a series of lines using axhline or axvline. Is there a mechanism to do this that I'm missing, or would it be difficult to support the positional parameter being an array of values at which to draw each line? Angus. -- AJC McMorland, PhD candidate

Re: [Matplotlib-users] Multiple lines with axhline?

2008-06-27 Thread Angus McMorland
2008/6/27 Angus McMorland [EMAIL PROTECTED]: Hi all, I sometimes find myself wanting to plot a series of lines using axhline or axvline. Is there a mechanism to do this that I'm missing, or would it be difficult to support the positional parameter being an array of values at which to draw

Re: [Matplotlib-users] Developing with IPython

2008-04-28 Thread Angus McMorland
2008/4/28 G Jones [EMAIL PROTECTED]: Hello, I appologize for a slightly off topic post, but I'm sure someone here knows the answer. You're probably right, and people are pretty happy to answer things here in general. You're more likely to get traction for this question on the IPython mailing

Re: [Matplotlib-users] Polygon masking possible?

2008-01-22 Thread Angus McMorland
On 22/01/2008, Søren Nielsen [EMAIL PROTECTED] wrote: I'm looking for a way to do masking of an Image.. I need to be able to make a circle / box or a user made polygon on an image using the mouse and retrieve the pixellocations of all pixels inside the masked area.. (which will then be

Re: [Matplotlib-users] Polygon masking possible?

2008-01-22 Thread Angus McMorland
Hi Søren, I've put this back on the list in case it's useful to anyone else, or if there are better suggestions or improvements around. Hope you don't mind. On 22/01/2008, Søren Nielsen [EMAIL PROTECTED] wrote: Yeah i'd like to see your code if I can.. import numpy as n def get_poly_pts(x, y,

Re: [Matplotlib-users] Plotting Continuous Functions

2007-11-24 Thread Angus McMorland
On 25/11/2007, Rich Shepard [EMAIL PROTECTED] wrote: On Sat, 24 Nov 2007, Angus McMorland wrote: Great. Hopefully this correction will make things even more clear. While the functions and equations are now clear, I get an error that was present in matplotlib-0.87, but which should

Re: [Matplotlib-users] Plotting Continuous Functions

2007-11-24 Thread Angus McMorland
On 25/11/2007, Rich Shepard [EMAIL PROTECTED] wrote: On Sun, 25 Nov 2007, Angus McMorland wrote: I'm not completely sure, but I suspect that this is an implementation bug, rather than a version bug, particularly because the line in question isn't involving matplotlib at all. If you post

Re: [Matplotlib-users] Plotting Continuous Functions

2007-11-23 Thread Angus McMorland
On 24/11/2007, Rich Shepard [EMAIL PROTECTED] wrote: On Fri, 23 Nov 2007, Angus McMorland wrote: For parsimony, I think you're probably best off just using the Gaussian equation: def fwhm2k(fwhm): '''converts fwhm value to k (see above)''' return fwhm/(2 * n.sqrt( n.log( 2

Re: [Matplotlib-users] Plotting Continuous Functions

2007-11-23 Thread Angus McMorland
On 24/11/2007, Rich Shepard [EMAIL PROTECTED] wrote: On Sat, 24 Nov 2007, Angus McMorland wrote: fwhm is the full-width at half the maximum height, i.e. it's the difference between the two values of x when: |r - c| = 0.5 Looking at my reply, I realised this was rubbish - sorry about

Re: [Matplotlib-users] IDL Font question

2007-11-01 Thread Angus McMorland
On 01/11/2007, Jose Gomez-Dans [EMAIL PROTECTED] wrote: Hi, Some colleagues have sent some plots which they generated using IDL (boo!!! hiss!! :D), and they look quite dissimilar to my matplotlib ones. I would like to mimic their layout as much as possible, which so far is a success. The only

[Matplotlib-users] Fwd: dendrograms

2007-10-29 Thread Angus McMorland
Sorry for the double sending, Giorgio. I got bitten by the Reply-To bug for this list. -- Forwarded message -- From: Angus McMorland [EMAIL PROTECTED] Date: 30 Oct 2007 09:27 Subject: Re: [Matplotlib-users] (no subject) To: [EMAIL PROTECTED] [EMAIL PROTECTED] On 23/10/2007

[Matplotlib-users] clf bug with errorbar and legend

2007-09-08 Thread Angus McMorland
Hi devs, This is a quick report of a bug in 0.90.1 (via debian testing package). Sorry, I'm not sure if this is still present in svn, and I'm keen to keep to the debian packages for now, so if it is already fixed then feel free to ignore. Bug is repeatably demonstrated by: import pylab as p,

Re: [Matplotlib-users] stuck after a mpl_connect - how to disconnect and go on

2007-08-23 Thread Angus McMorland
Hi Eric, On 23/08/07, Eric Emsellem [EMAIL PROTECTED] wrote: thanks a lot for this feedback! Your example is quite nice indeed. However there is something I may not have fully understand. If I use the example you sketch, I of course need to call the displayer class (right?), by doing

Re: [Matplotlib-users] stuck after a mpl_connect - how to disconnect and go on

2007-08-22 Thread Angus McMorland
Hi Eric, On 23/08/07, Eric Emsellem [EMAIL PROTECTED] wrote: Hi sorry to post this again but all my attempts to solve the matplotlib problem below failed and I desperately need this to progress. I would like to use mpl_connect and disconnect to examine a series of 2d arrays in turn (with a

Re: [Matplotlib-users] HOW TO: have multiple plot windows open at the same time?

2007-08-21 Thread Angus McMorland
On 22/08/07, Geoffrey Zhu [EMAIL PROTECTED] wrote: On 8/20/07, Angus McMorland [EMAIL PROTECTED] wrote: On 21/08/07, Geoffrey Zhu [EMAIL PROTECTED] wrote: Hi Everyone, I just started to use pylab, and there are two issues I can't figure out a way to get around. 1. show() does

Re: [Matplotlib-users] HOW TO: have multiple plot windows open at the same time?

2007-08-20 Thread Angus McMorland
On 21/08/07, Geoffrey Zhu [EMAIL PROTECTED] wrote: Hi Everyone, I just started to use pylab, and there are two issues I can't figure out a way to get around. 1. show() does not return until I close the plot window. This makes it impossible to show multiple plots at the same time. How can I

Re: [Matplotlib-users] Probing scalar values...

2007-08-06 Thread Angus McMorland
On 07/08/07, fred [EMAIL PROTECTED] wrote: Angus McMorland a écrit : Since all sorts of data can be displayed in am mpl window (e.g. a plot, a contour...) you have to tell it how to access the correct scalar value to display. You could do this with the motion_notify_event. Register

Re: [Matplotlib-users] Probing scalar values...

2007-08-03 Thread Angus McMorland
Hi fred, On 04/08/07, fred [EMAIL PROTECTED] wrote: Well, running mpl examples (say image_demo.py), you can see the point coordinates under the pointer. Good point ;-) I would like to have the scalar value under the pointer to be displayed too. How could I do this ? Since all sorts of

Re: [Matplotlib-users] Filtering plots

2007-07-18 Thread Angus McMorland
Hi Armando, On 18/07/07, Armando Serrano Lombillo [EMAIL PROTECTED] wrote: Hello, I have a question. Let's say I have the following data: [1,3,6,1,2,0,0,0,0,1,4,7,9,4,2,4,6,0,0,0,0,0,0,0,0,0,0,0,0,1,3,5,6,7,8] which I want to plot, but I want to omit the zeros, so I would like to do

Re: [Matplotlib-users] issues with interacting with a plot

2007-06-11 Thread Angus McMorland
Hi Trevis, snip On 12/06/07, Trevis Crane [EMAIL PROTECTED] wrote: So, I figured maybe if I zoomed in then it'd be easier to select the desired point. The problem is that after zooming/panning, the mouse cursor changes and my click events are no longer recognized as such. Furthermore, I

Re: [Matplotlib-users] troubles with contour3d, contourf3d in v0.87.5

2007-02-07 Thread Angus McMorland
Hi all, Did any progress get made beyond this discussion below? I'm trying to get contourf3D working, using latest svn, and it still seems to be out-of-order. Contour3D works, but I get exactly the same errors (and went exactly the same route trying to fix them) as Matthew. On 13/01/07, Eric

Re: [Matplotlib-users] a memory + CPU problem when using mpl_connect?

2007-01-01 Thread Angus McMorland
Hi Eric, On 30/12/06, Eric Emsellem [EMAIL PROTECTED] wrote: Hi, I am writing a small module to easily load images and interact with them. Sorry for getting to this thread late - back from a quick holiday now. I have written an image browser module that does what it sounds like you're trying

Re: [Matplotlib-users] disconnect an event when zoom-to-rectangle gets activated

2006-11-24 Thread Angus McMorland
On 25/11/06, Martin Richter [EMAIL PROTECTED] wrote: Hello everyone, although I thought this topic had been discussed earlier I wasn't able to find it in the archives. So please forgive me if I'm repeating something. Here the question I'm not able to answer on my own: We really shoud wiki

Re: [Matplotlib-users] Removing a data series

2006-11-09 Thread Angus McMorland
On 10/11/06, Dan Karipides [EMAIL PROTECTED] wrote: Fernando, Thanks, this is exactly what I need. BTW, I think I missed it in the search because the archive here: http://sourceforge.net/mailarchive/forum.php?forum_id=33405 doesn't show anything more recent that 10/02/2006. I'm not sure