[Matplotlib-users] Difficulty with colorbar

2009-01-17 Thread David Trethewey
I've been trying to add a colorbar to my figure and have used the following code; cax = axes([0.85, 0.1, 0.075, 0.8]) colorbar(cax=cax) as a template (from http://matplotlib.sourceforge.net/examples/pylab_examples/subplots_adjust.html) However I get an error: Traceback (most recent call

Re: [Matplotlib-users] Difficulty with colorbar

2009-01-17 Thread David Trethewey
I think I realised what I was doing wrong, I didn't have the imshow() call beforehand in my program: But using the code: cax = fig.add_axes([0.85, 0.1, 0.075, 0.8]) a=outer(arange(0,1,0.01),ones(10)) imshow(a,aspect='auto',cmap=cm.gray,origin='lower') I get a set of axes from 0 to

Re: [Matplotlib-users] Difficulty with colorbar

2009-01-17 Thread David Trethewey
Managed to solve the problem now. David David Trethewey wrote: I think I realised what I was doing wrong, I didn't have the imshow() call beforehand in my program: But using the code: cax = fig.add_axes([0.85, 0.1, 0.075, 0.8]) a=outer(arange(0,1,0.01),ones(10))

Re: [Matplotlib-users] Color themes

2009-01-17 Thread C Lewis
Someplace to start: from matplotlib import cm shade = cm.bone_r cmstep = shade.N/len(vg_bulk) #TODO: even *more* elegant to space colors by time elapsed for ii in range(len(vg_bulk)): hue = shade(ii*cmstep) #convert to moles for iii in (0,1,2):

Re: [Matplotlib-users] cmap from sepparate color values

2009-01-17 Thread John Hunter
On Fri, Jan 16, 2009 at 10:34 PM, Eric Firing efir...@hawaii.edu wrote: antonv wrote: Thanks for the quick reply John! Now it makes a lot more sense. The next dumb question is what is SVN and where can I find more bout it? http://sourceforge.net/svn/?group_id=80706

Re: [Matplotlib-users] NOAA .bull file parsing

2009-01-17 Thread Pierre GM
but it creates a lot of issues when I am trying to parse it. Here is a link to one of these files: ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/wave/prod/wave.20090117/bulls.t00z/akw.46001.bull Do you have any idea on how to extract the data there in columns for plotting with matplotlib

[Matplotlib-users] Backtrace with CocoaAgg backend

2009-01-17 Thread Adam Mercer
Hi I'm trying to track down an issue with the CocoaAgg backend on Mac OS X using MacPorts, when run with the CocoaAgg backend the following code: from pylab import * import time ion() tstart = time.time() x = arange(0,2*pi,0.01) line, = plot(x,sin(x)) for i in arange(1,200):