Re: [Matplotlib-users] [Enthought-Dev] EuroSciPy 2013
Just to stress the following: While the tutorial program is already online, the deadline for the call for abstracts just got extended to May 5, 2013. So there is still about a week to submit an interesting topic for a talk or a poster. You use Python for interesting scientific projects? Please consider presenting your work in Brussels. Thomas ** Dr Thomas Lecocq Geologist Royal Observatory of Belgium - Seismology - ** From: thlec...@msn.com To: enthought-...@enthought.com; matplotlib-users@lists.sourceforge.net Date: Sun, 28 Apr 2013 10:53:57 + Subject: [Enthought-Dev] EuroSciPy 2013 FYI Message original Sujet: EuroSciPy 2013 - Deadline of the call for abstracts on 28 april and many updates Date : Mon, 22 Apr 2013 19:50:04 +0200 De : Organisation of EuroScipy euroscipy-...@python.org Pour : Organisation of EuroScipy euroscipy-...@python.org Dear Scientist using Python, EuroSciPy is the European Conference on Python in Science. The call for abstracts for oral and poster presentations for EuroSciPy 2013 closes at the end of this week, on 28 april. We welcome your applications via our website https://www.euroscipy.org/. As a reminder, our keynote speakers are Cameron Neylon (Public Library of Science) and Peter Wang (Continuum Analytics). Find more below! Tutorials, sprints, focus issue of the journal Computational Science and Discovery (IOP), proceedings and participant support! We are glad to announce that the tutorial program is online at https://www.euroscipy.org/schedule/tutorials/. As usual, our tutorial speakers will cover all the basics in a beginner track and many powerful tools in the advanced track. Three sprints will be organized on the day following the conference: Python visualization, Sage: Open Source Mathematics Software and NumPy and SciPy. More information at https://www.euroscipy.org/program/sprints/. Contributors to EuroSciPy 2013 will benefit from two communication opportunities: 1. An invitation to submit full and original research papers to be reviewed for a focus issue (jointly with the SciPy 2013 conference) on Scientific Computing with Python in Computational Science Discovery (CSD), IOP Publishing's electronic-only, multidisciplinary journal for the computational science community. Further details (guest editors, issue scope, submission details, etc) will be announced soon. 2. An invitation to submit their contribution as a paper for the EuroSciPy 2013 proceedings that will be published. Further details will be announced soon. Thanks to NumFOCUS and PySV, travel support will be provided to a small number of students/participants based on their contribution to the conference and/or to the scientific Python tools. More information will follow during the registration period. SciPythonic Regards, The EuroSciPy 2013 Committee ** Dr Thomas Lecocq Geologist Royal Observatory of Belgium - Seismology - ** ___ Enthought-Dev mailing list enthought-...@mail.enthought.com https://mail.enthought.com/mailman/listinfo/enthought-dev -- Introducing AppDynamics Lite, a free troubleshooting tool for Java/.NET Get 100% visibility into your production application - at no cost. Code-level diagnostics for performance bottlenecks with 2% overhead Download for free and get started troubleshooting in minutes. http://p.sf.net/sfu/appdyn_d2d_ap1___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
[Matplotlib-users] EuroSciPy 2013
FYI Message original Sujet: EuroSciPy 2013 - Deadline of the call for abstracts on 28 april and many updates Date : Mon, 22 Apr 2013 19:50:04 +0200 De : Organisation of EuroScipy euroscipy-...@python.org Pour : Organisation of EuroScipy euroscipy-...@python.org Dear Scientist using Python, EuroSciPy is the European Conference on Python in Science. The call for abstracts for oral and poster presentations for EuroSciPy 2013 closes at the end of this week, on 28 april. We welcome your applications via our website https://www.euroscipy.org/. As a reminder, our keynote speakers are Cameron Neylon (Public Library of Science) and Peter Wang (Continuum Analytics). Find more below! Tutorials, sprints, focus issue of the journal Computational Science and Discovery (IOP), proceedings and participant support! We are glad to announce that the tutorial program is online at https://www.euroscipy.org/schedule/tutorials/. As usual, our tutorial speakers will cover all the basics in a beginner track and many powerful tools in the advanced track. Three sprints will be organized on the day following the conference: Python visualization, Sage: Open Source Mathematics Software and NumPy and SciPy. More information at https://www.euroscipy.org/program/sprints/. Contributors to EuroSciPy 2013 will benefit from two communication opportunities: 1. An invitation to submit full and original research papers to be reviewed for a focus issue (jointly with the SciPy 2013 conference) on Scientific Computing with Python in Computational Science Discovery (CSD), IOP Publishing's electronic-only, multidisciplinary journal for the computational science community. Further details (guest editors, issue scope, submission details, etc) will be announced soon. 2. An invitation to submit their contribution as a paper for the EuroSciPy 2013 proceedings that will be published. Further details will be announced soon. Thanks to NumFOCUS and PySV, travel support will be provided to a small number of students/participants based on their contribution to the conference and/or to the scientific Python tools. More information will follow during the registration period. SciPythonic Regards, The EuroSciPy 2013 Committee ** Dr Thomas Lecocq Geologist Royal Observatory of Belgium - Seismology - ** -- Try New Relic Now We'll Send You this Cool Shirt New Relic is the only SaaS-based application performance monitoring service that delivers powerful full stack analytics. Optimize and monitor your browser, app, servers with just a few lines of code. Try New Relic and get this awesome Nerd Life shirt! http://p.sf.net/sfu/newrelic_d2d_apr___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
[Matplotlib-users] github - basemap and contributing...
Dear all, I've successfully forked matplotlib.basemap to ThomasLecocq.basemap and cloned ThomasLecocq.basemap to my machine. Now, how can I have this clone be THE mpl_toolkits.basemap package, so I can make edits in the __init__.py (that contains the Basemap class) and preview them live on this machine. Once they are nice and OK, I can commit/push it to my master on github and probably create a pull request to the matplotlib.basemap git ? Thanks a lot in advance, Thom ps : if this mail goes through and the previous didn't, might be becaused I did not use the forked term in the subject... ** Dr Thomas Lecocq Geologist Royal Observatory of Belgium - Seismology - ** -- Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester Wave(TM): Endpoint Security, Q1 2013 and remains a good choice in the endpoint security space. For insight on selecting the right partner to tackle endpoint security challenges, access the full report. http://p.sf.net/sfu/symantec-dev2dev___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Draw paths on map using matplotlib-basemap
hi,
You could just add a scatter point at the first x[0],y[0] of each group, maybe
annotated with a name label ?
note, for efficiency purposes, you should label the axes outside of your loop
(+ set the title too), you only need to do this once!
Cheers,
Thomas
**
Dr Thomas Lecocq
Geologist
Royal Observatory of Belgium
- Seismology -
**
From: gle...@comunidad.unam.mx
To: matplotlib-users@lists.sourceforge.net
Date: Tue, 12 Feb 2013 19:47:19 +
Subject: [Matplotlib-users] Draw paths on map using matplotlib-basemap
Thank you for your ideas, I leave the correct code to plot trajectories of any
object, in my case I have drawn the trajectories of convective storms.
# --- Construimos el mapa ---
import numpy as npfrom mpl_toolkits.basemap import Basemapimport
matplotlib.pyplot as pltfrom PIL import *fig = plt.figure(figsize=(12,12))
ax = fig.add_axes([0.1,0.1,0.8,0.8])
m = Basemap(projection='cyl', llcrnrlat=12, urcrnrlat=35,llcrnrlon=-120,
urcrnrlon=-80, resolution='c', area_thresh=1000.)
m.bluemarble()m.drawcoastlines(linewidth=0.5)m.drawcountries(linewidth=0.5)m.drawstates(linewidth=0.5)
# --- Dibujamos paralelos y meridianos ---
m.drawparallels(np.arange(10.,35.,5.),labels=[1,0,0,1])m.drawmeridians(np.arange(-120.,-80.,5.),labels=[1,0,0,1])m.drawmapboundary(fill_color='aqua')
# --- Abrimos el archivo que contiene los datos ---
import pandas as pd
df = pd.read_csv('scm-2004.csv')for evento, group in df.groupby(['evento']):
latitude = group.lat.valueslongitude = group.lon.valuesx,y =
m(longitude, latitude)plt.plot(x,y,'y-',linewidth=2 )
plt.xlabel('Longitud')plt.ylabel('Latitud')plt.title('Trayectorias de
Sistemas Convectivos 2004')
plt.savefig('track-2004.jpg', dpi=100)
With the above code, I get
the desired figure. 60
paths drawn on
the map of México.
I have only one last question: how could indicate the start of each of the
storms, someone has an idea how I can do this?
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Re: [Matplotlib-users] add cirlce around lat lon
Dear, you can try my tutorial to achieve this properly : http://www.geophysique.be/2011/02/20/matplotlib-basemap-tutorial-09-drawing-circles/ Cheers, Thom ps : on the things to do when I have some time list : commit a method to the default basemap package to do this... Date: Tue, 6 Dec 2011 21:23:18 -0600 From: ben.r...@ou.edu To: questions.a...@gmail.com CC: Matplotlib-users@lists.sourceforge.net Subject: Re: [Matplotlib-users] add cirlce around lat lon On Tuesday, December 6, 2011, questions anon questions.a...@gmail.com wrote: I would like to draw a simple circle around a specified latitude and longitude but I cannot find an appropriate command. I have tried using map.drawgreatcircle(myLON, myLAT,myLON, myLAT, linewidth=20,color='k') but this doesn't do anything or even map.drawgreatcircle(myLON+1, myLAT+1,myLON-1, myLAT-1, linewidth=2,color='k') and this appears to draw a line. Any other commands I could try for this? thanks in advance drawgreatcircle() doesn't actually draw a circle, but rather an arc that represents the shortest distance between two points on the globe. Maybe you would rather use a Circle object? Ben Root -- Cloud Services Checklist: Pricing and Packaging Optimization This white paper is intended to serve as a reference, checklist and point of discussion for anyone considering optimizing the pricing and packaging model of a cloud services business. Read Now! http://www.accelacomm.com/jaw/sfnl/114/51491232/ ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users -- Cloud Services Checklist: Pricing and Packaging Optimization This white paper is intended to serve as a reference, checklist and point of discussion for anyone considering optimizing the pricing and packaging model of a cloud services business. Read Now! http://www.accelacomm.com/jaw/sfnl/114/51491232/___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Can't set scatter plot point color
Dear,
Please also note that '+' and 'x' are lines, hence if you want them coloured,
you'll need to set edgecolor=g rather than just color='g' ...
HTH
Thom
**
Dr Thomas Lecocq
Geologist
Seismology
Royal Observatory of Belgium
**
Date: Fri, 4 Mar 2011 10:49:09 -0800
From: scott.han...@navistar.com
To: matplotlib-users@lists.sourceforge.net
Subject: Re: [Matplotlib-users] Can't set scatter plot point color
Thank you for the reply.
I discovered this myself yesterday. Now I have an official answer if people
want a colored + or the x symbol in the scatter plot.
Scott Hansen
efiring wrote:
On 03/02/2011 06:42 AM, Mr. Python wrote:
I am unable to set the color of the scatter plot points using the code
below:
import matplotlib
matplotlib.use('Qt4Agg')
import matplotlib.pyplot as plt
import numpy as np
plt.scatter(newSpdVals, newEngLoadVals,c='g',marker='+')
This is a bug in the handling of symstyle 2, which includes '+' and 'x'.
#Add the graph title and x/y axis labels
plt.title(Gear Span)
plt.xlabel(Vehicle Speed (mph))
plt.ylabel(Engine Load %)
plt.show()
No matter what I change the c parameter to ('b','r', etc.), the color of
the
scatter plot points are always black. The lists newSpdVals and
newEngLoadVals have 100 dimmensions and are of type numpy.ndarray.
I am using the following software and hardware:
Windows XP
Python 2.7
PyQt4 (I launch the plot from a PyQt GUI. I don't embed the plot in the
GUI).
matplotlib 1.01
In the beginning of the same function where my scatter plot code is, I
added
the following code to verify if the problem is due to the matplotlib/PyQt
interface:
a = np.linspace(-10,100,33)
b = np.linspace(-32,400,33)
plt.scatter(a, b,color='g',marker='+')
Note the difference: here you are using a 'color' kwarg that is getting
passed directly to the AsteriskPolygonCollection, whereas before you
were using the 'c' kwarg that is being handled incorrectly in this case
inside of the scatter code.
Eric
plt.title(Gear Span)
plt.xlabel(Vehicle Speed (mph))
plt.ylabel(Engine Load %)
plt.show()
The points for this plot are colored green. I'm able to change the point
color to blue, red, etc.
Any ideas why I can't change the point color of my first graph? Thank
you
for your help.
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Re: [Matplotlib-users] Can't produce plots using Matplotlib
Can you provide us with your script ? Thomas ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** From: c...@ozemail.com.au Date: Tue, 22 Feb 2011 21:05:48 +1100 To: matplotlib-users@lists.sourceforge.net Subject: [Matplotlib-users] Can't produce plots using Matplotlib Recently I downloaded and installed Python(x,y) Version 2.6.5.6 running under Windows7 and now can't produce the plots that my programs produced under an earlier version of Python(x,y). The programs seem to run correctly and produce the same numerical results but I can't find the graphical output (if it exists). I presume that the problem isn caused by either an incorrect use of Matplotlib, an installation issue or my simply misunderstanding the use of Spyder. I would greatly appreciate some guidance on how to solve this problem. -- Index, Search Analyze Logs and other IT data in Real-Time with Splunk Collect, index and harness all the fast moving IT data generated by your applications, servers and devices whether physical, virtual or in the cloud. Deliver compliance at lower cost and gain new business insights. Free Software Download: http://p.sf.net/sfu/splunk-dev2dev ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users -- Index, Search Analyze Logs and other IT data in Real-Time with Splunk Collect, index and harness all the fast moving IT data generated by your applications, servers and devices whether physical, virtual or in the cloud. Deliver compliance at lower cost and gain new business insights. Free Software Download: http://p.sf.net/sfu/splunk-dev2dev___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Setting the ticks on an axis
Good evening, Hello, I was trying to change the tick values that show up on the y-axis. I wanted a more finer range than the default. So I added: ax.set_yticks(range(ax.get_ylim()[0], ax.get_ylim()[1], 400)) to my plot. And before this line, I have ax.set_ylim(bottom=0, top=6000) I get the results I want, but I get the following warning: :91: DeprecationWarning: integer argument expected, got float ax.set_yticks(range(ax.get_ylim()[0], ax.get_ylim()[1], 400)) To avoid having the warning, you can explicitly provide ints : ax.set_yticks(range(int(ax.get_ylim()[0]), int(ax.get_ylim()[1]), 400)) I don't know any easier method of setting the ticks... Let's wait for the user community input ! Cheers, Thomas -- The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Trouble with api example code within watermark_image.py
matplotlib.cbook documentation :
http://matplotlib.sourceforge.net/api/cbook_api.html?highlight=matplotlib.cbook#matplotlib.cbook.get_sample_data
matplotlib.cbook.get_sample_data(fname, asfileobj=True)¶
Check the cachedirectory ~/.matplotlib/sample_data for a sample_data file. If
it does not exist, fetch it with urllib from the mpl svn repo
http://matplotlib.svn.sourceforge.net/svnroot/matplotlib/trunk/sample_data/
and store it in the cachedir.
If asfileobj is True, a file object will be returned. Else the path to the file
as a string will be returned
To add a datafile to this directory, you need to check out sample_data from
matplotlib svn:
svn co
https://matplotlib.svn.sourceforge.net/svnroot/matplotlib/trunk/sample_data
and svn add the data file you want to support. This is primarily intended for
use in mpl examples that need custom data.
To bypass all downloading, set the rc parameter examples.download to False and
examples.directory to the directory where we should look.
So, you have to have the logo.png image in the $home$/matplotlib/sample_data.
If it is not present there, the script will try to download it from the server.
Thomas
ps : emailing 3 times the same question doesn't make the answer come faster.
**
Thomas Lecocq
Geologist
Ph.D.Student (Seismology)
Royal Observatory of Belgium
**
Date: Wed, 9 Feb 2011 12:27:21 +0100
From: thore.oltersd...@ise.fraunhofer.de
To: matplotlib-users@lists.sourceforge.net
Subject: [Matplotlib-users] Trouble with api example code within
watermark_image.py
Dear Developers of Matplotlib,
at first thanks for this mightiest tool for graphical output from python
data. I have encountered problems on trying the watermark feature as
described at
http://matplotlib.sourceforge.net/examples/api/watermark_image.html.
When I invoke the script from a Enthought Python Compiler in the Windows
COM then I got this message:
Traceback (most recent call last):
File Fluide\script1.py, line 13, in module
datafile = cbook.get_sample_data('logo.png', asfileobj=False)
File
D:\Programme\Enthought\lib\site-packages\matplotlib-1.0.1_r0-py2.6-win32.egg\matplotlib\cbook.py,
line 676, in get_sample_data
return myserver.get_sample_data(fname, asfileobj=asfileobj)
File
D:\Programme\Enthought\lib\site-packages\matplotlib-1.0.1_r0-py2.6-win32.egg\matplotlib\cbook.py,
line 623, in get_sample_data
raise KeyError(msg)
KeyError: 'file iselogo.png not in cache; received urlopen error [Errno
10061] No connection could be made because the target machine actively
refused it when trying to retrieve'
Does anyone no a solution for this problem? Image is in the same
directory as the script. Or if now I switched to it by os.chdir to the
specific path.
Thanks in advance for your help.
Kindly regards,
Thore Oltersdorf
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Re: [Matplotlib-users] Best way to set scales bounds to appropriate values
This will do : pyplot.xlim(-5,15) pyplot.ylim(-5,5) HTH. Thomas ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** Date: Wed, 9 Feb 2011 11:53:17 +0100 From: neur...@gmail.com To: matplotlib-users@lists.sourceforge.net Subject: [Matplotlib-users] Best way to set scales bounds to appropriate values Hi, I'm a matplotlib newbie. An example is worth a thousand words: In [1]: matplotlib.__version__ Out[1]: '0.99.3' In [2]: a, b, x = np.zeros(10), np.ones(10), np.arange(10) In [3]: plot(x, a); plot(x, b) Well all I see is an empty plot with the two horizontal lines at y=0 and y=1 covered by the upper and lower frame lines. Why aren't bounds set a little more larger so the two lines can show properly??? I guess this is a common situation, for example 2 or more stable temperatures: the higher and the lower never show... How can I fix it? Thanks for your support. -- The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users -- The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Best way to set scales bounds to appropriate values
Neurino I'm sure : 1° there must be a parameter in the default behaviour of the subplot to control taht 2° you can always set xlim( min(X)/2, max(X)/2 ) ... Thomas ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** Date: Wed, 9 Feb 2011 13:47:01 +0100 Subject: Re: [Matplotlib-users] Best way to set scales bounds to appropriate values From: neur...@gmail.com To: thlec...@msn.com CC: matplotlib-users@lists.sourceforge.net Well, not that automatic... I wonder why matplotlib takes care of settings limits on data but fails in a common situation so I'm forced to override it every time because I don't know in advance what data I get... Thanks anyway. Cheers neurino 2011/2/9 Thomas Lecocq thlec...@msn.com This will do : pyplot.xlim(-5,15) pyplot.ylim(-5,5) HTH. Thomas ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** Date: Wed, 9 Feb 2011 11:53:17 +0100 From: neur...@gmail.com To: matplotlib-users@lists.sourceforge.net Subject: [Matplotlib-users] Best way to set scales bounds to appropriate values Hi, I'm a matplotlib newbie. An example is worth a thousand words: In [1]: matplotlib.__version__ Out[1]: '0.99.3' In [2]: a, b, x = np.zeros(10), np.ones(10), np.arange(10) In [3]: plot(x, a); plot(x, b) Well all I see is an empty plot with the two horizontal lines at y=0 and y=1 covered by the upper and lower frame lines. Why aren't bounds set a little more larger so the two lines can show properly??? I guess this is a common situation, for example 2 or more stable temperatures: the higher and the lower never show... How can I fix it? Thanks for your support. -- The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users -- The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Plotting multi-colored lines atop basemap instances
Bruce, From: br...@clearscienceinc.com Date: Wed, 9 Feb 2011 09:51:06 -0500 To: matplotlib-users@lists.sourceforge.net Subject: [Matplotlib-users] Plotting multi-colored lines atop basemap instances I am attempting to plot a line atop a basemap instance called m. I can do this without a problem with: plot = m.plot(lon,lat,'r-') #lon and lat are lists However, I'd like to color the line based on a third list called intensity. For instance, if the value of intensity between two points is 0-35 make it green, 35-70 make it yellow, etc. I have studied this example: http://www.scipy.org/Cookbook/Matplotlib/MulticoloredLine but I cannot get a collection added to the figure without errors. You can always use 'regular' pyplot methods on your plot : fig = plt.figure() ax = fig.subplot(111) m = Basemap(etc) convert your lon/lat to X,Y in the basemap projection: X,Y = m(lon,lat) then plot your line as if you were using only pyplot : plt.plot(X,Y) This way, you can add the collection as ax.add_collection(somecollection) HTH, Thomas-- The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] set ncol for legend
Bram, fig = plt.figure() ax = fig.add_subplot(111) plot1 = plot.plot(X,Y,label='1') plot2 = plot.plot(X,Y,label='2') ... plotN = plot.plot(X,Y,label='N') legend = plt.legend(ncol=2) should work... so, for your own_plot_function, you have to return the legend and set it accordingly... Thomas ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** Date: Tue, 8 Feb 2011 11:25:58 +0100 From: sand...@knmi.nl To: matplotlib-users@lists.sourceforge.net Subject: [Matplotlib-users] set ncol for legend Hi, I want to update the number of columns in my legend. How should I do that? I'm looking for something like: fig = plt.figure() ax = fig.add_subplot(111) my_own_plot_function(ax, data)# gives, for example, one column legend by default legend = ax.get_legend() legend.set_ncol(2) # something like this However, ncol is not in the legend.properties() list for properties to be set through legend.set. Thanks for any help, Bram -- The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users -- The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Autoscale AxesImage after using set_data()
Christoph, this could work ; img.set_extent([0,200,0,200]) HTH Thom ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** Date: Tue, 8 Feb 2011 12:56:21 +0100 From: use...@bersch.net To: thlec...@msn.com CC: matplotlib-users@lists.sourceforge.net Subject: Re: [Matplotlib-users] Autoscale AxesImage after using set_data() On 08.02.2011 10:23, Thomas Lecocq wrote: I would suggest calling requet_redraw() ... I could not find such a method, nor any similar one: request_redraw() or *_redraw(). I grepped through the version 1.0.1 source code. Christoph -- The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] set ncol for legend
Bram, Although I don't quite see the point, I would simply suggest that you re-call ax.legend(ncol=2) , that would delete the previous and redraw a new one from matplotlib doc: When the legend command is called, a new legend instance is created and old ones are removed from the axes. Thomas ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** Date: Tue, 8 Feb 2011 14:50:00 +0100 From: sand...@knmi.nl To: thlec...@msn.com CC: matplotlib-users@lists.sourceforge.net Subject: Re: [Matplotlib-users] set ncol for legend I realize that I have not been clear enough. I have already created a legend instance in my_own_plot_function, for example, a legend with one column by default: fig = plt.figure() ax = fig.add_subplot(111) my_own_plot_function(ax, data)# gives, for example, one column legend by default So ax is an axes instance containing the legend. Incidentally, after inspecting the automatically created plots, I want a particular figure to have a two column legend. I would like to do this without adding an extra kwarg for the number of columns to my_own_plot_function. It should be possible to do something like this: legend = ax.get_legend() legend.set_ncol(2) # something like this Once again, thanks for any help! Bram On 02/08/2011 12:35 PM, Thomas Lecocq wrote: Bram, fig = plt.figure() ax = fig.add_subplot(111) plot1 = plot.plot(X,Y,label='1') plot2 = plot.plot(X,Y,label='2') ... plotN = plot.plot(X,Y,label='N') legend = plt.legend(ncol=2) should work... so, for your own_plot_function, you have to return the legend and set it accordingly... Thomas ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** Date: Tue, 8 Feb 2011 11:25:58 +0100 From: sand...@knmi.nl To: matplotlib-users@lists.sourceforge.net Subject: [Matplotlib-users] set ncol for legend Hi, I want to update the number of columns in my legend. How should I do that? I'm looking for something like: fig = plt.figure() ax = fig.add_subplot(111) my_own_plot_function(ax, data)# gives, for example, one column legend by default legend = ax.get_legend() legend.set_ncol(2) # something like this However, ncol is not in the legend.properties() list for properties to be set through legend.set. Thanks for any help, Bram -- The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users -- The ultimate all-in-one performance toolkit: Intel(R) Parallel Studio XE: Pinpoint memory and threading errors before they happen. Find and fix more than 250 security defects in the development cycle. Locate bottlenecks in serial and parallel code that limit performance. http://p.sf.net/sfu/intel-dev2devfeb___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Problem with projection='3d'
From: patbradf To: matplotlib-users@lists.sourceforge.net Date: Wed, 26 Jan 2011 22:53:28 -0600 Subject: [Matplotlib-users] Problem with projection='3d' Forgive me if this is an old question, but I just loaded mplot3d and was attempting to work through a couple of the examples on the Matplotlib website. The problem is that whenever I try to make a call to a function that requires an argument of projection=’3d’ (such as: ax = fig.add_subplot(111, projection='3d')), Python gives me the following error: Traceback (most recent call last): File pyshell#12, line 1, in moduleax = fig.add_subplot(111, projection='3d') File C:\Python26\lib\site-packages\matplotlib\figure.py, line 677, in add_subplot projection_class = get_projection_class(projection) File C:\Python26\lib\site-packages\matplotlib\projections\__init__.py, line 61, in get_projection_classraise ValueError(Unknown projection '%s' % projection)ValueError: Unknown projection '3d' Check the version of matplotlib you have ! , I suspect a =1.0 HTH Thom -- Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! Finally, a world-class log management solution at an even better price-free! Download using promo code Free_Logger_4_Dev2Dev. Offer expires February 28th, so secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsight-sfd2d___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] How to draw a specific country by basemap?
Hi,
that would do:
data = m.readshapefile(r'borders\ita_adm1','itaborder',linewidth=0.5)
italy = data[4]
print dir(italy)
italy.set_facecolors('red')
italy.set_alpha(0.5)
I think at some point youll meet the limitations of the method, you might need
to use another shapefile-reading module ...
Thom
**
Thomas Lecocq
Geologist
Ph.D.Student (Seismology)
Royal Observatory of Belgium
**
Date: Thu, 27 Jan 2011 17:59:03 +0800
From: eric.l.2...@gmail.com
To: thlec...@msn.com
CC: eric.l.2...@gmail.com; matplotlib-users@lists.sourceforge.net
Subject: Re: [Matplotlib-users] How to draw a specific country by basemap?
On 01/27/2011 01:38 AM, Thomas Lecocq wrote:
Hi,
An easy way is to use the data from http://www.gadm.org/ and to plot it with
m.readshapefile()
Thank you very much. The GDAM database is great.
BTW, would you like to give some suggestions about how to color the map, i.e.,
highlight a specific region?
Thanks,
Eric
HTH,
Thom
**
Thomas Lecocq
Geologist
Ph.D.Student (Seismology)
Royal Observatory of Belgium
**
Date: Wed, 26 Jan 2011 16:03:27 +0800
From: eric.l.2...@gmail.com
To: matplotlib-users@lists.sourceforge.net
Subject: [Matplotlib-users] How to draw a specific country by basemap?
Hi all,
I'm using the Basemap module in matplotlib, it's great to draw a world map but
for a specific country. Empirically, one can draw its own country by specifying
the lats and longs like this example:
http://matplotlib.sourceforge.net/basemap/doc/html/users/geography.html
And you can use the method: drawcontries() to draw the country boundries, but
all the countries are in the same colour. Does anyone know how to highlight a
specific country? Thanks in advance.
Eric
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Re: [Matplotlib-users] How to draw a specific country by basemap?
Hi, Adding some extra work in the readshapefile method in your code allows you to play with the region names etc,... I've just made a new tutorial script to show this : http://www.geophysique.be/2011/01/27/matplotlib-basemap-tutorial-07-shapefiles-unleached/ Thom ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** Date: Thu, 27 Jan 2011 17:59:03 +0800 From: eric.l.2...@gmail.com To: thlec...@msn.com CC: eric.l.2...@gmail.com; matplotlib-users@lists.sourceforge.net Subject: Re: [Matplotlib-users] How to draw a specific country by basemap? On 01/27/2011 01:38 AM, Thomas Lecocq wrote: Hi, An easy way is to use the data from http://www.gadm.org/ and to plot it with m.readshapefile() Thank you very much. The GDAM database is great. BTW, would you like to give some suggestions about how to color the map, i.e., highlight a specific region? Thanks, Eric HTH, Thom ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** Date: Wed, 26 Jan 2011 16:03:27 +0800 From: eric.l.2...@gmail.com To: matplotlib-users@lists.sourceforge.net Subject: [Matplotlib-users] How to draw a specific country by basemap? Hi all, I'm using the Basemap module in matplotlib, it's great to draw a world map but for a specific country. Empirically, one can draw its own country by specifying the lats and longs like this example: http://matplotlib.sourceforge.net/basemap/doc/html/users/geography.html And you can use the method: drawcontries() to draw the country boundries, but all the countries are in the same colour. Does anyone know how to highlight a specific country? Thanks in advance. Eric -- -BEGIN GEEK CODE BLOCK- Version: 3.1 GCM/CS/E/MU/P d+(-) s: a- C++ UL$ P+++ L++ E++ W++ N+ o+++ K+++ w !O M-(+) V-- PS+ PE+ Y+ PGP++ t? 5? X? R+* tv@ b DI-- D G++ e+@ h* r !y+ --END GEEK CODE BLOCK-- -- Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! Finally, a world-class log management solution at an even better price-free! Download using promo code Free_Logger_4_Dev2Dev. Offer expires February 28th, so secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsight-sfd2d ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users -- -BEGIN GEEK CODE BLOCK- Version: 3.1 GCM/CS/E/MU/P d+(-) s: a- C++ UL$ P+++ L++ E++ W++ N+ o+++ K+++ w !O M-(+) V-- PS+ PE+ Y+ PGP++ t? 5? X? R+* tv@ b DI-- D G++ e+@ h* r !y+ --END GEEK CODE BLOCK-- -- Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! Finally, a world-class log management solution at an even better price-free! Download using promo code Free_Logger_4_Dev2Dev. Offer expires February 28th, so secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsight-sfd2d ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users -- Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! Finally, a world-class log management solution at an even better price-free! Download using promo code Free_Logger_4_Dev2Dev. Offer expires February 28th, so secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsight-sfd2d___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
[Matplotlib-users] Extending readshapefile
Hi all, I would like to contribute to a better readshapefile method, who should I contact / where should I commit ? First improvement and partial solution : * returning a tuple of linecollections per record, with its name and other properties. Cheers, Thomas ps : example http://www.geophysique.be/2011/01/27/matplotlib-basemap-tutorial-07-shapefiles-unleached/ ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** -- Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! Finally, a world-class log management solution at an even better price-free! Download using promo code Free_Logger_4_Dev2Dev. Offer expires February 28th, so secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsight-sfd2d___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] How to draw a specific country by basemap?
Hi, An easy way is to use the data from http://www.gadm.org/ and to plot it with m.readshapefile() HTH, Thom ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** Date: Wed, 26 Jan 2011 16:03:27 +0800 From: eric.l.2...@gmail.com To: matplotlib-users@lists.sourceforge.net Subject: [Matplotlib-users] How to draw a specific country by basemap? Hi all, I'm using the Basemap module in matplotlib, it's great to draw a world map but for a specific country. Empirically, one can draw its own country by specifying the lats and longs like this example: http://matplotlib.sourceforge.net/basemap/doc/html/users/geography.html And you can use the method: drawcontries() to draw the country boundries, but all the countries are in the same colour. Does anyone know how to highlight a specific country? Thanks in advance. Eric -- -BEGIN GEEK CODE BLOCK- Version: 3.1 GCM/CS/E/MU/P d+(-) s: a- C++ UL$ P+++ L++ E++ W++ N+ o+++ K+++ w !O M-(+) V-- PS+ PE+ Y+ PGP++ t? 5? X? R+* tv@ b DI-- D G++ e+@ h* r !y+ --END GEEK CODE BLOCK-- -- Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! Finally, a world-class log management solution at an even better price-free! Download using promo code Free_Logger_4_Dev2Dev. Offer expires February 28th, so secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsight-sfd2d ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users -- Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! Finally, a world-class log management solution at an even better price-free! Download using promo code Free_Logger_4_Dev2Dev. Offer expires February 28th, so secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsight-sfd2d___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] zorder for individual points in a scatter plot on a Basemap
Hi,
What about ordering the arrays before plotting ? Are the first elements drawn
back to front ?
Thomas
**
Thomas Lecocq
Geologist
Ph.D.Student (Seismology)
Royal Observatory of Belgium
**
Date: Mon, 28 Jun 2010 12:55:22 -0400
From: athak...@weatherinnovations.com
To: matplotlib-users@lists.sourceforge.net
Subject: [Matplotlib-users] zorder for individual points in a scatter plot on a
Basemap
Hi,
I'm currently using a scatter plot on a Basemap and I'd like to set the zorder
of the individual points based on their temperature. The higher the
temperature, the higher the zorder. Also, i'm using a colorbar to set the
colors for the plot. Here is a snippet of my code:
x = np.array(val)
fig.sca(ax1)
lon_0 =(urcrnrlon+llcrnrlon)/2
lat_0 =(urcrnrlat+llcrnrlat)/2
m =
Basemap(llcrnrlon=llcrnrlon,llcrnrlat=llcrnrlat,urcrnrlon=urcrnrlon,
urcrnrlat=urcrnrlat,resolution='i',projection='cyl',lon_0=lon_0,lat_0=lat_0)
m.drawcoastlines()
m.drawmapboundary()
m.drawparallels(np.arange(llcrnrlat-1,urcrnrlat+1,5.))
m.drawmeridians(np.arange(llcrnrlon-1,urcrnrlon+1,5.))
m.fillcontinents(color='white',lake_color='aqua')
m.drawcountries(linewidth=1)
lons,lats = m(lon,lat)
#I can do it this way, but this screws up the colorbar
#for i in range(len(x)):
#m.scatter(lons[i],lats[i],c=x[i],marker='o',picker=5,zorder=x[i])
m.scatter(lons,lats,c=x,marker='o',picker=5)
plt.title('Time Range: %s to %s'%(startDay.strftime(%b-%d
%H:%M),endDay.strftime(%b-%d %H:%M)))
plt.colorbar(shrink=0.5)
Is there anyway to set the zorder of the points without using the loop in
commented code? Any help would be greatly appreciated.
Thanks,
Aman
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Re: [Matplotlib-users] Displaying the gradient of an image
Hi, You can also use Numpy.gradient to compute the gradient , if e.g. your dx and dy aren't the same. Cheers, Thom ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** Date: Tue, 29 Jun 2010 16:28:11 +0200 From: mathieu.dub...@limsi.fr To: matplotlib-users@lists.sourceforge.net Subject: Re: [Matplotlib-users] Displaying the gradient of an image Hello, I finally found the solution. It's as simple as: figure(); imshow(img); pylab.quiver(U, V, units='x'); Mathieu -- This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users -- This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
[Matplotlib-users] Axes3D - Equal Aspect Ratio
Dear All,
I'm playing around with mpl_toolkits.mplot3d to represent a 3D scatter, but I
need the axis' aspect to be 'equal'. I tried to :
ax = Axes3D(fig)
ax.set_aspect('equal')
but it doesn't change anything...
Any tips ?
Thanks a lot in advance,
Thomas
**
Thomas Lecocq
Geologist
Ph.D.Student (Seismology)
Royal Observatory of Belgium
**
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[Matplotlib-users] Cygwin1.dll error import pyplot
Hi all, I've searched the mailing archive, and I can't find an anwser to my problem : i'm running Python2.5 on a WinXP32 box. I just reinstalled cygwin to exclude a version-problem. Matplotlib version is 0.98.3 (got from easy_install matplotlib command) i'm just trying this : from matplotlib.pyplot import * and the answer is : 3 [main] ? (2808) C:\Python25\pythonw.exe: *** fatal error - Incompatible cygwin .dll -- incompatible per_process info 0 != 168 bom... I really don't know how to solve this... Thanks a lot in advance for your help ! Thomas ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** - This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100url=/___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
Re: [Matplotlib-users] Cygwin1.dll error import pyplot
All right, as information for all : reinstalling cygwin from scratch, reinstalling python from scratch, and finaly matplotlib now works... Cheers, Thomas ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** From: [EMAIL PROTECTED] To: matplotlib-users@lists.sourceforge.net Date: Tue, 2 Dec 2008 12:50:24 + Subject: [Matplotlib-users] Cygwin1.dll error import pyplot Hi all, I've searched the mailing archive, and I can't find an anwser to my problem : i'm running Python2.5 on a WinXP32 box. I just reinstalled cygwin to exclude a version-problem. Matplotlib version is 0.98.3 (got from easy_install matplotlib command) i'm just trying this : from matplotlib.pyplot import * and the answer is : 3 [main] ? (2808) C:\Python25\pythonw.exe: *** fatal error - Incompatible cygwin .dll -- incompatible per_process info 0 != 168 bom... I really don't know how to solve this... Thanks a lot in advance for your help ! Thomas ** Thomas Lecocq Geologist Ph.D.Student (Seismology) Royal Observatory of Belgium ** - This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100url=/___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
