Re: [Matplotlib-users] Failing to install matplotlib with python 3

Alan, This mailing list is obsolete; please use matplotlib-us...@python.org. Your traceback looks vaguely familiar as something that has come up before, but I don't have any more recollection than that. Suggestions: 1) Install your python environment the easy way via anaconda or miniconda:

Re: [Matplotlib-users] How do I make a Mercator map larger

On 2016/01/05 9:48 AM, Martin McGlensey wrote: > Arnaldo, > > Thanks for the response. I figured it out. Figsize although the units > are inches it does not correspond to inches on the display. I had to go > up to 23 X 12 to get a large image on the display. If I want to fill the > display what par

Re: [Matplotlib-users] TypeError: can't multiply sequence by non-int of type 'float'

On 2015/09/28 5:43 AM, Benjamin Root wrote: > Confirmed using a fairly recent matplotlib checkout. Could you file a > bug report? This is going to need some investigating. Line3D.set_3d_properties is not doing anything to turn zs into an ndarray; in fact, when zs is a scalar, it is turning it int

Re: [Matplotlib-users] Misleading BoundaryNorm error

Thank you! We are always happy to have new contributors! -- ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo

Re: [Matplotlib-users] Misleading BoundaryNorm error

Forcing the scalar to be a 1-element array would still leave the API inconsistent with what you show for Normalize. One solution is to flag a scalar at the start, and then de-reference at the end. Would you like to submit a PR to take care of this? ---

Re: [Matplotlib-users] Matplotlib differences MacOSXAgg and others

It is not clear to me that 4202 would fix it, and I think 4202 has a basic problem of its own. John, if you haven't already done so, please escalate this to a github issue. Eric On 2015/07/15 4:58 AM, Thomas Caswell wrote: > The PR to fix this is still open > (https://github.com/matplotlib/mat

Re: [Matplotlib-users] TypeError: Dimensions of C (645, 536) are incompatible with X (538) and/or Y (646); see help(pcolormesh)

On 2015/06/30 6:41 AM, Benjamin Root wrote: > It looks like your X data is one element larger than it needs to be. I > know pcolor() accepts grids that are (N+1,M+1), and I *think* pcolormesh > does the same. It will also accept grids that are (N,M) as well, but > will drop the last row and collumn

Re: [Matplotlib-users] backend_webagg for streaming plot updates: examples?

On 2015/06/23 10:39 AM, Eric Firing wrote: > I would like to be able to publish plots that are updated as data are > received by the server. I don't actually want any of the toolbar > interactivity--I just want the updated plot to appear in the browser > automatically. I suspec

[Matplotlib-users] backend_webagg for streaming plot updates: examples?

I would like to be able to publish plots that are updated as data are received by the server. I don't actually want any of the toolbar interactivity--I just want the updated plot to appear in the browser automatically. I suspect this can all be done quite easily using the webagg backend, but

Re: [Matplotlib-users] Problem on Basemap gshhs data and the associated is_land function

On 2015/06/10 4:24 AM, Jiali Ma wrote: > Thanks for reading my mail. > In basemap toolkit of matplotlib, I found the Coastline data used is from > the GSHHS (http://www.soest.hawaii.edu/wessel/gshhs/gshhs.html).But I found > it barely satisfying to use. Are you specifying a sufficiently high reso

Re: [Matplotlib-users] [matplotlib-devel] pyplot functions: do you rely on the "hold" kwarg?

On 2015/06/07 12:05 PM, Nathaniel Smith wrote: > On Sun, Jun 7, 2015 at 2:37 PM, Eric Firing wrote: >> Matplotlib's pyplot retains quite a few vestiges from its original >> Matlab-workalike heritage; we would like to gradually eliminate those >> that no longer make sen

[Matplotlib-users] pyplot functions: do you rely on the "hold" kwarg?

Matplotlib's pyplot retains quite a few vestiges from its original Matlab-workalike heritage; we would like to gradually eliminate those that no longer make sense. One such candidate is the "hold" kwarg that every pyplot function has, with a "True" default. I don't think it serves any useful

Re: [Matplotlib-users] [matplotlib-devel] RFC: candidates for a new default colormap

On 2015/06/05 11:13 AM, Jody Klymak wrote: > Though I was hazily aware of norms, I’d not really seen that before. > I particularly like the example > athttp://matplotlib.org/examples/pylab_examples/pcolor_log.html > > This seems useful enough that a section under “User Guide:Advanced > Guide” would

Re: [Matplotlib-users] [matplotlib-devel] RFC: candidates for a new default colormap

On 2015/06/05 8:17 AM, Sourish Basu wrote: > Very often the "zero" of an anomaly is not at the center of the extrema, > and requires creating a custom diverging colormap anyway (see attached > example). Reminder: in matplotlib, color mapping is done with the combination of a colormap and a norm.

Re: [Matplotlib-users] Fwd: [matplotlib-devel] RFC: candidates for a new default colormap

On 2015/06/05 6:15 AM, Joe Kington wrote: > Hopefully I will have some time today to play around with the D > option. I want to see if I can shift the curve a bit to include more > yellows and orange so that it can have a mix of cool and warm colors. > > > > I was thinking the same thin

[Matplotlib-users] Fwd: [matplotlib-devel] RFC: candidates for a new default colormap

I am forwarding a message from Nathaniel Smith which is the start of a long thread on matplotlib-devel http://news.gmane.org/gmane.comp.python.matplotlib.devel related to changes that are in the works for matplotlib, and that are therefore of interest to matplotlib users. Specifically, we will b

Re: [Matplotlib-users] problem: AttributeError: 'float' object has no attribute 'trace'

On 2015/06/03 8:03 AM, Juan Wu wrote: > Hi, List experts, > > Any one can help for this error solution? I googled but did not find > this report. > > Thanks in adance... > > > Traceback (most recent call last): > >File "", line 5, in > hddm.analyze.plot_posterior_nodes([float(v_Neutral),

Re: [Matplotlib-users] Runtime Error on Solaris - Error Closing Dupe File Handle

On 2015/05/28 3:13 AM, Bryan Williams wrote: > I have gcc on the box. I also installed the C compiler for Solaris (cc), > but I couldn't seem to find an option to switch it so that it uses cc > rather than gcc. Maybe you can do this with an environment variable? export CC=/usr/bin/cc It does loo

Re: [Matplotlib-users] Annotate not Drawing Properly in a Gridspec - Version 1.4.3

On 2015/05/26 9:10 AM, Benjamin Root wrote: > I think this is a feature/bug that got reverted in the master branch. > Perhaps you could try building matplotlib from source and seeing if the > problem goes away? Ben, it looks familiar, and related to a bizarre feature that I thought we had elimina

Re: [Matplotlib-users] Confused about rgb_to_hsv and hsv_to_rgb

anges the set of colors you end up with. Eric > > Matteo > > On Sat, May 23, 2015 2:19 pm, Eric Firing wrote: >> On 2015/05/22 9:33 AM, Matteo Niccoli wrote: >> >>> The second method suggested by titusjan replaces value in hsv space >>> with intens

Re: [Matplotlib-users] Confused about rgb_to_hsv and hsv_to_rgb

On 2015/05/22 9:33 AM, Matteo Niccoli wrote: > The second method suggested by titusjan replaces value in hsv space with > intensity as suggested. Eric you will notce I did include the line > img_array = plt.get_cmap('cubehelix')(data_n) and yet the colormapping is > not working. I don't understan

Re: [Matplotlib-users] Confused about rgb_to_hsv and hsv_to_rgb

On 2015/05/21 11:28 AM, Matteo Niccoli wrote: > OK, I understand. > > > Could you suggest a way to reduce that 3D array to a 2D array and plot it > with a specific colormap, while preserving the shading? It looks like you will get what you want by following the titusjan's advice in his reply. If

Re: [Matplotlib-users] Confused about rgb_to_hsv and hsv_to_rgb

On 2015/05/21 5:50 AM, Matteo Niccoli wrote: > I posted a question on stackoverflow about creating with making my own > shading effect (I want to use horizontal gradient for the shading). > http://stackoverflow.com/questions/30310002/issue-creating-map-shading-in-matplotlib-imshow-by-setting-opacit

Re: [Matplotlib-users] [matplotlib-devel] Easy problem working with dev library

On 2015/05/16 3:20 PM, Paul Hobson wrote: > > On Saturday, May 16, 2015 at 14:58, Neil Girdhar >, wrote: > > Thanks, and if I want to revert my system to its old matplotlib? > > ​ > ​ > ​Assuming you cloned the repo from git, just checkout any revision you want.

Re: [Matplotlib-users] Good line plot color cycle for colorblind readers?

On 2015/05/15 11:41 AM, Nathan Goldbaum wrote: > Hi all, > > This is a bit of a case of lazy mailing list, but I'm hoping there might > be some experts here who can point me in the right direction. > > Does anyone know of a good resource to pull a color cycle for line plots > that are good for colo

Re: [Matplotlib-users] Visulization of orthogonal grid

On 2015/05/05 6:03 PM, GoogleWind wrote: > Dear all, > > Matplotlib currently support the visuliaztion of triangular mesh and > square-cell map. Is there any solutions to support the visulization of > orthogonal grid as follows, >

Re: [Matplotlib-users] I need to force the "rounding" of x axis limits

On 2015/04/05 11:19 PM, giacomo boffi wrote: > INTRO > = > > please consider the following code (I'm trying to draw a timeline) > > 1 from matplotlib import pyplot, patches > 2 fig = pyplot.figure() > 3 ax = fig.add_subplot('111') > 4 ax.add_patch(patches.Rectangle((1933,0.25), 73, 0.5)) > 5 py

Re: [Matplotlib-users] sharex with one figure aspect = 1.0

On 2015/04/08 11:15 AM, Jody Klymak wrote: > Hi Eric, > >>> import matplotlib.pyplot as plt >>> fig, axes = plt.subplots(nrows=2,sharex=True) >>> axes[0].set_aspect(1.) >>> axes[0].plot(np.arange(10),np.arange(10)) >>> axes[0].set_ylim([0,24]) >>> axes[0].set_xlim([0,12]) >>> axes[1].plot(np.arange

Re: [Matplotlib-users] sharex with one figure aspect = 1.0

On 2015/04/08 8:43 AM, Jody Klymak wrote: > Hi Eric, > >> On 8 Apr 2015, at 11:02 AM, Eric Firing wrote: >> >> I'm the guilty party for most of how set_aspect works. I developed it a >> long time ago. Yes, there was a reason--still is, I'm 99% sure--but I

Re: [Matplotlib-users] sharex with one figure aspect = 1.0

On 2015/04/08 7:04 AM, Jody Klymak wrote: > Maybe there is a reason for the default, but I really think the data > view should be prioritized over the shape of the axis. I forgot to include: I was trying to make everything sane (and reversible) under zoom and pan as well as reshaping and resizing

Re: [Matplotlib-users] sharex with one figure aspect = 1.0

On 2015/04/08 7:04 AM, Jody Klymak wrote: > Following up on this, I’d like to complain about set_aspect()… > > If I do: > > import matplotlib.pyplot as plt > fig, axes = plt.subplots(nrows=2,sharex=True) > axes[0].set_ylim(0,1.) > axes[0].set_aspect(1.) > plt.show() > > the x-axis goes from 0. to 1

Re: [Matplotlib-users] Wind barb plot for a single station data

On 2015/03/25 7:08 AM, Foehn wrote: > Hello all, > > the routine barbs(x,y,u,v) in basemap plots a regular 2-dimensional > vector field for a geographic projection. > > What I want is a barb-routine that plots single station wind data (and > not fields!) at their approriate lat,lon or x,y-position

Re: [Matplotlib-users] Plotting style

On 2015/03/09 8:56 PM, Marin GILLES wrote: > Actually, I just brute loaded mpl for source... I am not really used to it. > So I guess I'll have to make a virtual env and install mpl in it? You have to build and install it somewhere, where it will be found when you try to import it; whether you us

Re: [Matplotlib-users] Plotting style

On 2015/03/09 8:14 PM, Marin GILLES wrote: > Hi, > As suggested in PR 2702 > , I have been trying > to tell |scatter| to |get_current_color_cycle| for the facecolor. I > guess I can use |axes.get_color()|to get the current color in the color > cyc

Re: [Matplotlib-users] Multiplot with one colorbar

On 2015/03/05 11:36 PM, Dyah rahayu martiningrum wrote: > Hello all, > > I make multi plot with colorbars. I need help, how do make only one > colorbar for six panels? I also want to show only lowest x-axis. I copy > my recent code and figure here. An old example of something like this is here:

Re: [Matplotlib-users] Plotting style

On 2015/03/05 6:11 AM, Marin GILLES wrote: > Hello everyone, > After working a bit on the styles, I noticed that some parameters could > not be modified using an rc or style file (for example, turning off the > right, left, up or down axis). I kind of saw how to do it using the > |Axis.spine.set_vi

Re: [Matplotlib-users] Problems with pyplot and cm in Matplotlib ver. 1.4.3

On 2015/02/21 5:32 PM, Starfighter wrote: > Per request my question is being resubmitted here. > > I'm attempting to generate contour and a color map in Matplotlib ver. 1.4.3 > on a MacBook Pro under Mac OS X ver. 10.10.2 in Python 2.7.3 with the > Anaconda environment. > > A zip file has been atta

Re: [Matplotlib-users] axes.get_position() inaccurate until after savefig()?

On 2015/02/18 7:51 AM, Ryan Nelson wrote: > I don't have an answer to your question exactly. But I'll just say that > this does make sense. The aspect-corrected axes (after show) is a subset > of what you originally asked for, i.e. the bottom is higher, and the > height is smaller. My guess is that

Re: [Matplotlib-users] what are the new features of nbagg?

On 2015/02/18 2:31 PM, Thomas Caswell wrote: > Recent means IPython > 2.4. Did you mean 2.2? It works on 2.3. Eric > > For 3.0 > > %matplotlib notebook > > will also work. > > Tom > > On Wed Feb 18 2015 at 7:25:41 PM Eric Firing <mailto:efir...@hawaii.

Re: [Matplotlib-users] what are the new features of nbagg?

On 2015/02/18 6:44 AM, Emilia Petrisor wrote: > Hi all, > > I looked for a link where I could find out what’s new in |matplotlib > 1.4.3|, but there is no one. > > Especially I’m interested in the new features of |nbagg backend|. All I > know is what I read in an email here, namely that /The nbagg

Re: [Matplotlib-users] quiverkey() doesn't plot the reference vector?

Wed Feb 18 2015 at 6:00:26 PM Eric Firing <mailto:efir...@hawaii.edu>> wrote: > > On 2015/02/18 9:52 AM, njs wrote: > > Hi All, > > > > I'm having issues with quiver, and quiverkey() although, I have never > > experienced th

Re: [Matplotlib-users] quiverkey() doesn't plot the reference vector?

On 2015/02/18 9:52 AM, njs wrote: > Hi All, > > I'm having issues with quiver, and quiverkey() although, I have never > experienced these issues in the past. I attached an image to this post that > demonstrates that quiver_key() used to work for me, this image was generated > on 17-Jul-2014. Howe

Re: [Matplotlib-users] Trouble getting colormap set_under and set_over to work with PolyCollection

On 2015/02/17 12:24 PM, Luke Lee wrote: > It's been suggested to on the above tracker to use imshow. However, that > doesn't address the issue I'm having using PolyCollection. I don't think this has anything to do with PolyCollection versus Image, and I was not suggesting that you use imshow. W

Re: [Matplotlib-users] MultipleLocator and MaxNLocator

On 2015/02/14 9:15 AM, Tommy Carstensen wrote: > Eric, it works if I do: > return MultipleLocator.tick_values(self, vmin, vmax)[2:] > > But not if I do as first suggested by you: > return MultipleLocator.tick_values(self, vmin, vmax)[1:] > Are you using my test script but getti

Re: [Matplotlib-users] MultipleLocator and MaxNLocator

On 2015/02/14 8:45 AM, Tommy Carstensen wrote: Erik, that doesn't seem to work either. I tried this: import matplotlib.pyplot as plt from matplotlib.ticker import MultipleLocator class TrimmedMultipleLocator(MultipleLocator): def tick_values(self, vmin, vmax): return MultipleLoca

Re: [Matplotlib-users] MultipleLocator and MaxNLocator

r import MultipleLocator >>> fig = plt.figure() >>> ax1 = fig.add_subplot(111) >>> ax1.xaxis.set_major_locator(MultipleLocator(5)) >>> xticks = ax1.xaxis.get_major_ticks() >>> #xticks[0].label1.set_visible(False) >>> #xticks[-1].label1.set_visible(Fa

Re: [Matplotlib-users] MultipleLocator and MaxNLocator

is.get_major_ticks() > #xticks[0].label1.set_visible(False) > #xticks[-1].label1.set_visible(False) > ax1.set_xticks(ax1.get_xticks()[1:-1]) > ax1.plot(list(range(11))) > plt.show() > > On Sat, Feb 14, 2015 at 2:01 AM, Eric Firing wrote: >> On 2015/02/13 3:29

Re: [Matplotlib-users] MultipleLocator and MaxNLocator

On 2015/02/13 3:29 PM, Tommy Carstensen wrote: > Is it possible to combine MultipleLocator and MaxNLocator? One seems > to erase the effect of the other. They are for different situations. MultipleLocator is for when you know what you want your tick interval to be; MaxNLocator is for when you d

Re: [Matplotlib-users] Bug in matplotlib 1.4.2

On 2015/02/09 8:19 AM, Thomas Caswell wrote: > Can you test with 1.4.3rc1? I believe this has been fixed. Oops! Of course--I never use ',', and I was forgetting that it *is* just one pixel. Eric > > On Mon Feb 09 2015 at 1:07:28 PM Alex Böhnert > wrote: > >

Re: [Matplotlib-users] Bug in matplotlib 1.4.2

On 2015/02/09 8:19 AM, Thomas Caswell wrote: > Can you test with 1.4.3rc1? I believe this has been fixed. I don't think so. I can reproduce it on master. Regardless of the "ms" kwarg, I see only a pixel. Eric > > On Mon Feb 09 2015 at 1:07:28 PM Alex Böhnert

Re: [Matplotlib-users] Plotting maps with matplotlib-basemap very slow

On 2015/01/24 6:11 AM, Sappy85 wrote: > I would like to draw very, very simple maps of only europe in matplotlib / > basemap, which takes very much time (around 10 seconds!). This is just > unreal!? Setting of resolution is only "l" (low). > I need to plot hundreds of those maps every few hours. Th

Re: [Matplotlib-users] matplotlib power spectral density (PSD) value discrepancy

On 2014/12/17, 5:37 AM, Thomas Caswell wrote: > What version of mpl are you using? These functions got a lot of work > between 1.3 and 1.4. Tom, Sorry, I answered only in his parallel github issue. https://github.com/matplotlib/matplotlib/issues/3927. I'm closing it now. The upshot is that ps

Re: [Matplotlib-users] how to prevent colorbar from taking space from axes

On 2014/12/12, 5:11 AM, Slavin, Jonathan wrote: > Hi Ben, > > Thanks for those tips. I ended up giving a list of axes to the ax > argument of colorbar as you suggested. That took care of the > misalignment of the top plots and bottom plots but then the colorbar > extended the full vertical height

Re: [Matplotlib-users] multiple plots on single axis

On 2014/11/27, 4:55 AM, Bala subramanian wrote: > Friends, > > I want to make multiple graphs on a single axes. As an example, i am > pasting below an article where it has been shown. > > http://www.ncbi.nlm.nih.gov/pubmed/23403925 > > My plot of interest is *Figure7B*, where multiple distribution

Re: [Matplotlib-users] How to plot other than rectangular grid?

On 2014/11/20, 7:11 PM, Maria Liukis wrote: > Hello, > > I have a problem plotting data which is defined on a grid other than > rectangular mesh, and would greatly appreciate any advise. My data is > defined for 0.1degree grid for the state of California, and I don’t > want to interpolate my data o

Re: [Matplotlib-users] Single color transparent colormap

On 2014/11/19, 1:03 PM, Benjamin Root wrote: > What you are seeing is the fact that the adjacent cells share the same > coordinates, so neighboring cells overlap by one pixel. This is only > visible when alpha != 1. This is a tricky issue to solve, but I could > have sworn we made some progress on

Re: [Matplotlib-users] [matplotlib-devel] Development issue: Assign labels to colorbar extensions

On 2014/11/16, 10:21 AM, j1 wrote: > I have posted this in the user sub forum as well because i'm not sure that it > is a user issue or development issue. > Information about my problem and my code are here > > http://matplotlib.1069221.n5.nabble.com/Assign-labels-to-colorbar-extensions-user-or-dev

Re: [Matplotlib-users] Problem extending a custom colormap

On 2014/11/03, 2:19 PM, Damien Irving wrote: > I often like to define my own colormaps using hex strings, e.g. > hex_list = ['#FFF295', '#FFD555', '#FF850B', '#D55000', '#D5', > '#550040','#600080', '#80', '#D5', '#0B85FF', '#55AAFF', '#95CAFF'] > > However, when I pass them to contourf

Re: [Matplotlib-users] twinx cla problem

On 2014/10/10, 4:45 AM, Duke, Charles wrote: > With matplotlib 1.4.0 the cla() method for the twinx axes also clears > the primary axes. With matplotlib 1.3.1 the method only clears the > twinx axes as expected. I have a much longer program where the twinx > axes must be cleared while retaining t

Re: [Matplotlib-users] Antialiasing colorbars

On 2014/09/30, 2:41 AM, Jesper Larsen wrote: > Hi matplotlib users, > > Is it possible to disable antialiasing for a colorbar? If not directly > is it the possible to "postprocess" the axes instance to se antialiasing > for relevant elements? The colorbar returns a Colorbar object, the "solids" at

Re: [Matplotlib-users] plt.ion() doesn't enable interactive mode when ran as script on mac osx 10.8.5

On 2014/09/21, 6:07 AM, Petar Bakalov wrote: > Using python 2.7.5 and matplotlib 1.4.0 on mac OSX 10.8.5. > > The output of the following snippet: > > |import matplotlib.pyplotas plt > plt.ion() > print "Is interactive:?", plt.isinteractive() > | > > when ran from shell ($ python snippet.py) is

Re: [Matplotlib-users] Build error; Matplotlib 1.4.0 on Ubuntu 12.04, Python 3.2

On 2014/08/31, 6:48 PM, John Ladasky wrote: > Hi folks, > > I am trying to install Matplotlib 1.4.0 on an older laptop, running > Ubuntu 12.04. I am committed to Python 3. In the standard Ubuntu > repositories, python3-matplotlib (of any version) is unavailable until > Ubuntu 13.04. > > My first

Re: [Matplotlib-users] Region within contour --> 2D array

On 2014/08/28, 3:02 AM, Matthew Czesarski wrote: > Hi Matplotlib Users! > > > > I have some 2-d arrays, which i am displaying with implot, and deriving > contours for with contour. Easy - I'm just pulling them out of > collections[0].get_paths() . > > However what's not easy is that I would like

Re: [Matplotlib-users] Basic matshow question

On 2014/07/30, 7:26 AM, Benjamin Root wrote: > There is no --pylab for that. I don't know what development version you are using, but for 2.1.0, it is still there--and it does what needs to be done. -- Infragistics Profe

Re: [Matplotlib-users] Basic matshow question

On 2014/07/29, 7:04 PM, JBB wrote: > Hello, > > I am relatively new to Python, numpy, matplotlib, etc., with a > reasonable amount of Matlab experience. > > I am trying to do some simple array visualizations before moving on to > specific work. > > e.g. I have a 5x5x10 array and I'd like to see eac

Re: [Matplotlib-users] ImportError: No module named 'mpl_toolkits'

On 2014/07/13, 12:05 AM, Tommy Carstensen wrote: > To matplotlib-users, > > When I do this on Linux: > from mpl_toolkits.basemap import Basemap > > Then I get this error: > ImportError: No module named 'mpl_toolkits' Sounds like it might be a problem with the particular versions of matplotlib and

Re: [Matplotlib-users] refresh a matplotlib plot when reruning a script

On 2014/06/27, 9:59 AM, zunbeltz wrote: > I have a script that fetchs data from a database and plot using > something similar to > > fig, (ax1, ax3) = plt.subplots(2, 1, sharex=False, sharey=False, num=fignum) > ax1.errorbar(...) > title(...) > ax2 = ax1.twiny() > ax4 = ax2.twiny() > ... > plt.lege

Re: [Matplotlib-users] How to make diagram x_label by time and x_lable can move automatic

On 2014/06/21, 3:39 PM, 不坏阿峰 wrote: > is there someone can help me ? Posting a *simple*, self-contained example as a starting point would make it more likely that someone would understand your question. Leave out everything that is irrelevant--I suspect all the gui and threading code is in tha

Re: [Matplotlib-users] colors

On 2014/06/18, 5:23 AM, Bruno Pace wrote: > Ok, so using the norm=SymLogNorm I cannot distinguish the values that > are exactly 0.0 from the really small ones, right? Would it be possible Correct, the scale is linear for small values. > to make use of the set_bad method without having to use mask

Re: [Matplotlib-users] colors

On 2014/06/17, 8:59 AM, Bruno Pace wrote: > Hi all, > > I'm trying to use imshow to plot some values which fall on the interval > [0,1]. I need to > use a logscale to emphasize the scales of the data. The solution I found > checking some discussions was like this > > plt.imshow(X, interpolation='no

Re: [Matplotlib-users] Adding a colorbar --- how?

On 2014/06/15, 12:17 PM, Virgil Stokes wrote: > There are some rather nice and useful matplotlib examples for colormaps > that are shown at: > > http://nbviewer.ipython.org/github/dpsanders/matplotlib-examples/blob/master/colorline.ipynb > > In*Example 1. Sine wave colored by time (uses the defaul

Re: [Matplotlib-users] a possible bug report

On 2014/06/12, 6:07 AM, M.Rule wrote: > Hi all, > > I haven't been able to find a more official place to report potential > Matplotlib bugs, so I'm going to describe the issue I'm seeing here. > Sorry if this is the wrong forum. This is *exactly* the right place to make a report like this. It is

Re: [Matplotlib-users] Upgrading matplotlib

On 2014/06/12, 4:14 AM, Rachana Katkam wrote: > Hi all, > I have an issue in upgrading my matplotlib 1.0.1 to 1.3.1 > I am using Fedora, but the command: > Yum update python-matplotlib is not working. > My python version is 2.7, is that an issue? > Is there any way for upgrading matplotlib? Updati

Re: [Matplotlib-users] Matplotlib brewer2mpl issue with plotting

On 2014/06/12, 1:01 AM, Rachana Katkam wrote: > Hi all, > > I am stuck with plotting that uses brewer2mpl. > The following link describes my problem, please have a look at it: > > http://stackoverflow.com/questions/24181183/matplotlib-brewr2mpl-plotting-issue The traceback doesn't match the code I

Re: [Matplotlib-users] pick markers only but not the connecting line

On 2014/06/07, 5:03 PM, C M wrote: > > > > On Sat, Jun 7, 2014 at 10:18 PM, Eric Firing <mailto:efir...@hawaii.edu>> wrote: > > On 2014/06/07, 4:12 PM, C M wrote: > > I had been using a custom function (written originally by > Jae-Joon and >

Re: [Matplotlib-users] pick markers only but not the connecting line

On 2014/06/07, 4:12 PM, C M wrote: > I had been using a custom function (written originally by Jae-Joon and > modified a little by me...quite a long time back now) that was working > to allow point picking of markers, but *not* the line connecting them. > However, I've now discovered with the help

Re: [Matplotlib-users] closing of matplotlib.pyplot closes parent window also

On 2014/05/22 7:21 PM, Rachana Katkam wrote: > Hi, > I am facing little trouble in understanding the pyplot concept. Pyplot is designed mainly for interactive work, and for situations where no explicit calls to a gui library are needed. When you do need to work directly with a gui library, do

Re: [Matplotlib-users] Undefined color model and inconsistencies between backends

On 2014/05/16 4:41 PM, Michael Goerz wrote: > Hi, > > While playing around for an afternoon with colors in matplotlib, I came > across some inconsistencies. I was trying to define colors in sRGB (my > understanding is that sRGB as a standardized color space is > device-independent). Giving RGB valu

Re: [Matplotlib-users] Re-combine different axes to make new figure in matplotlib

On 2014/05/11 7:56 PM, Yuxiang Wang wrote: > Dear all, > > I am curious that whether this is possible in matplotlib: > > I first create some figures, with subplots. > > import matplotlib.pyplot as plt > fig1, axs1 = plt.subplots(2, 2) > fig2, axs2 = plt.subplots(2, 2) > > And then, could I recombin

Re: [Matplotlib-users] Set sharex and sharey on the axes object

On 2014/05/07 2:12 PM, Yuxiang Wang wrote: > Dear all, > > I was wondering that, is there a method like axes.set_sharex(ax0) so I > can directly set the sharex and sharey properties of an axes object? > It seems that the only way to do this is at time of creation via > fig.add_subplots(1, 2, 2, sha

Re: [Matplotlib-users] basic pgf test fails

On 2014/05/07 2:34 AM, Neal Becker wrote: > Neal Becker wrote: > >> I tried the simple example, but all examples I try choke on savefig >> ('blah.pdf') This is fedora20 linux, with pretty modern, complete texlive. >> >> I tried rm'ing tex-cache >> >> example.py >> # -*- coding: utf

Re: [Matplotlib-users] Composing image from hex tiles using RegularPolyCollection

On 2014/04/24 11:40 PM, Tom Grydeland wrote: > Hi all, > > I will explain what I’m trying to achieve first, then the approaches I’ve > attempted so far, with results. > > I have data on a 2D grid which I want to present as an image — a la > pyplot.imshow() — except that the grid is hexagonal, not

Re: [Matplotlib-users] Entropy calculation incorrect?

Nathan, Thanks for bringing this up. It looks like the short-term fix is to make the documentation match the code. Longer term, it seems to me like this is the sort of thing that should be deprecated; it doesn't belong in matplotlib any more. Would you open an issue on Github, please? Even

Re: [Matplotlib-users] turning off autoscale

On 2014/04/23 11:19 AM, Michael Mossey wrote: > I'm sorry, these are questions that could be found in the Axes > documentation, but I really don't feel like scrolling through 100 pages > that are irrelevant hoping I can find the relevant functions, which I > don't even know what they are called. Is

Re: [Matplotlib-users] checking if an artist is in the list of artists for an axes

On 2014/04/21 8:30 PM, Michael Mossey wrote: > How do I check if an artist is in the list of artists attached to an axes? if a in ax.get_children(): ... Eric > > Mike > > > > -- > Start Your Social Network Today - Do

Re: [Matplotlib-users] Spooling up on matplotlib .... run all the examples

On 2014/04/17 11:07 AM, Elden Crom wrote: > > matplotlib is impressive in its capabilities, I didn't realize how much so > until I download from the git, and made a little script to run all of the > examples. > Thank you. It's hidden away, but a script to do this type of thing exists. For a lon

Re: [Matplotlib-users] removing a plot from an axes

On 2014/04/18 12:21 PM, Michael Mossey wrote: > Sorry for what is a beginnerish question but I'm having a hard time > using the docs. I want to remove a previous plot from an axes. How do I > do this? If you want to clear the axes, call the "cla()" or "clear()" method. If you want to remove an ar

Re: [Matplotlib-users] Left-aligned and centered title

On 2014/03/17 3:31 AM, Florian M. Wagner wrote: > Dear users, > > I would like label my subplots with a horizontally left-aligned letter > (wanted by the journal) and the normal, centered axes title, which > should both be vertically in line. The following example does not work: > > from matplo

Re: [Matplotlib-users] Troubleshooting

On 2014/03/12 2:41 PM, Caio Sanches wrote: > Hey there! > I have a mac 10.9 (Mavericks), and I needed matplotlib for a course I was > participating. > I installed python 2.7.6, as requested, and downloaded the installer (dmg) > from the sourceforge page. > I created a simple file, to plot a simpl

Re: [Matplotlib-users] Clip or skip lines going over border of canvas

On 2014/03/06 10:43 PM, svebert wrote: > Hi! > > I plot measurment data and connect them with lines (style eg. "-*r"). Points > which are outside of the ylimits are still connected with points which are > inside of the ylimits. Is there any way to tell matplot to only connect two > points if both a

Re: [Matplotlib-users] Color bar extents

On 2014/03/06 4:18 AM, Asma Riyaz wrote: > Hi, > > I am stuck at setting the color bar minimum and maximum values, > according to what I found I need to set ticks to a numpy linspace array. > Here is my code: > > *threshold=1.01 > > fig = plt.figure(figsize=(25,25)) > plt.suptitle(file_ha

Re: [Matplotlib-users] imshow for .png- low resultion

On 2014/03/05 11:37 AM, Asma Riyaz wrote: > Sorry I somehow forgot to paste the imshow call to plot the .png > image(pasted the entire code again), I am trying the different > interpolation parameters in the mean time as suggested by Pierre > > data=np.array(full_len) > cmap = mpl.cm.hot >

Re: [Matplotlib-users] Issue with relim and autoscale_view in 1.3.1

On 2014/03/04 12:56 PM, Stuart Mentzer wrote: > Hi, > > I'm seeing odd behavior with the relim() and autoscale_view() call > sequence with matplotlib 1.3.1. In some cases I am ending up with axis > ranges of [-0.05,0.05] instead of the actual data ranges. This happens > with scatter plots and somet

Re: [Matplotlib-users] About the scientific ticker format on pylab plot

On 2014/03/03 11:40 AM, Ying Liu wrote: > Hi, > > I want to know how to set the scientific ticker format in pylab. I know > that I can set it to the form of 1e21, but what I want is something like > x10^21, as follows: > > Inline image 1 -> Inline image 2 > > > Can anybody tell me how to do

Re: [Matplotlib-users] How can I put a white area in the middle of colorbar showing the masked data?

o; evidently I don't understand what the problem is, so I don't know what part remains unsolved. Eric > > Cheers, > > Chao > > > On Sat, Mar 1, 2014 at 10:39 PM, Eric Firing [via matplotlib] <[hidden > email] > wrote: > > On 2014/03/01 11:03 AM, Cha

Re: [Matplotlib-users] How can I put a white area in the middle of colorbar showing the masked data?

On 2014/03/01 11:03 AM, ChaoYue wrote: > The most correct way might be to design a new colormap with white color > exactly in the middle, however this is very tedious, especially if I > want to try > different colormaps. so the alternative approach would be to set the values > falling in (-1,1) as

Re: [Matplotlib-users] How can I put a white area in the middle of colorbar showing the masked data?

On 2014/03/01 9:57 AM, Chao YUE wrote: > Dear all, > > In many cases in geoscience mapping we want to show the some missing values > as some special color in the colorbar. like attached one. > > I know there is one method in matplotlib colormap called "set_bad", official > docs says: > > Set color

Re: [Matplotlib-users] reduce the number of ticks

On 2014/02/17 4:58 AM, Pierre Haessig wrote: > Hi, > > In order to get a plot with a small number of ticks, it is possible to > create a matplotlib.ticker.MaxNLocator object with a small value for > `nbins`. > > However, I found it also possible to modify the existing AutoLocator > instances, since

Re: [Matplotlib-users] trouble with Arrow

On 2014/02/02 7:45 PM, Alan G Isaac wrote: > Last question about this for now ... > > Yet another issue with `arrow`: the > docs say a dashed linestyle is supported > http://matplotlib.org/api/pyplot_api.html#matplotlib.pyplot.arrow > but really it is not: the *edge* is dashed rather than the tail!

Re: [Matplotlib-users] trouble with Arrow

On 2014/02/02 6:52 PM, Alan G Isaac wrote: > Also, despite setting `edgecolor=None`, the edge is still stroked. I suspect you need edgecolor='none'. In general, specifying a color as the string 'none' means "don't draw it". ---

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