PGM wrote:
Nils,
That's far more a Latex question than a matplotlib one.
Short answer: you can't fix the BBox from a JPEG, there's none !
From what I remmbr from my LaTeX years, you need to transform the jpeg to a
format LaTeX can understand, viz '.ps' or '.eps'
Check
Nils Wagner wrote:
Hi all,
I have generated some figures with matplotlib (savefig('test.png')
savefig(test.jpg')).
If I try to include them via
\includegraphics[width=8cm]{test.jpg}
I get
LaTeX Error: Cannot determine size of graphic in test.jpg (no BoundingBox).
I am using latest
Hi all,
I am going to visualize mode shapes of L-shaped membranes using contour.
So far, I have two lists xin, yin containing the coordinates of interior
points (see bottom of mode.png) .
A third list will contain the corresponding displacements u(xin,yin).
xin
[-0.9,
Hi all,
I tried to reproduce the Contour3D plot
http://www.scipy.org/Cookbook/Matplotlib/mplot3D.
from numpy import *
import pylab as p
import mpl3d.mplot3d as p3
p.matplotlib.__version__
# in mplt3D change:
# levels, colls = self.contour(X, Y, Z, 20)
# to:
# C = self.contour(X, Y, Z, *args,
Hi all,
I guess this bug is due to recent changes in svn
from pylab import plot, show, xlabel, ylabel, figure, semilogy,
savefig, scatter
File /usr/lib64/python2.4/site-packages/pylab.py, line 1, in ?
from matplotlib.pylab import *
File
Hi,
How can I use amsmath in matplotlibrc ?
I would like to add a legend((r'$\det{\boldsymbol P}$')).
Nils
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Hi,
How can I use zoom for polar plots ?
I mean a circular cutout would be better than a rectangular cutout.
Nils
from scipy import *
from pylab import show, polar
def M(omega):
s = 1j*omega
return linalg.solve(s*identity(n)-A_0,A_1)*exp(-h_0*s)
A_0 = array(([0,1.],[-32,-2]))
A_1 =
Is this a bug ?
ax1.xlabel(r'Frequency $f$ (Hz)')
AttributeError: Subplot instance has no attribute 'xlabel'
ax1
matplotlib.axes.Subplot instance at 0x2aaab468d3f8
Nils
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Hi all,
Is there a way to add the coordinates in text form to each plus in the
attached figure ?
ERach plus in the plot is generated by
plot([data[-1].real],[data[-1].imag],'k+')
For example the rightmost plus (in the upper right half plane) should
have a text (1.049+0.692j)
Can I use text for
On Fri, 27 Apr 2007 23:22:04 +0100
darkside [EMAIL PROTECTED] wrote:
2007/4/27, John Hunter [EMAIL PROTECTED]:
On 4/27/07, darkside [EMAIL PROTECTED] wrote:
hi everyone,
I'm trying to solve a lineal differential equation
system, and I,m
proving
with the mlab.rk4 function.
The
Hi all,
I would like to plot the largest eigenvalue of an affine matrix over a grid.
I followed the hints available at
http://www.scipy.org/Cookbook/Matplotlib/mplot3D
I missed the hint Note that not all examples on this page are up to
date, so some of them might not be working.
How can I fix the
Hi all,
I rerun a program which I have written one year ago.
Now It doesn't work for me with the latest svn version.
Here is the output
python lshape.py --verbose-helpful
$HOME=/home/nwagner
CONFIGDIR=/home/nwagner/.matplotlib
matplotlib data path
Hi all,
I cannot install matplotlib from recent svn.
Here is the output
building 'matplotlib.backends._wxagg' extension
gcc -pthread -fno-strict-aliasing -DNDEBUG -O2
-fmessage-length=0 -Wall -D_FORTIFY_SOURCE=2 -g -fPIC
-DGTK_NO_CHECK_CASTS -D__WXGTK__ -D_FILE_OFFSET_BITS=64
Hi all,
I tried to read a jpg file.
How can fix the following problem ?
File test.py, line 15, in module
im = imshow(lena, origin='lower')
File
/data/home/nwagner/local/lib/python2.5/site-packages/matplotlib/pyplot.py,
line 1915, in imshow
ret = gca().imshow(*args, **kwargs)
On Thu, 06 Nov 2008 13:28:21 +0100
Gregor Thalhammer [EMAIL PROTECTED] wrote:
Nils Wagner schrieb:
Hi all,
I tried to read a jpg file.
How can fix the following problem ?
Which operating system are you using?
The problem arise in the PIL (Python Imaging Library).
It cannot find
Hi all,
Is it possible to combine jpegs with matplotlib or PIL ?
Any pointer would be appreciated.
Nils
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Hi all,
If I run the attached example I get
python -i test_polar.py --verbose-helpful
$HOME=/home/nwagner
matplotlib data path
/usr/lib/python2.4/site-packages/matplotlib/mpl-data
loaded rc file /home/nwagner/matplotlibrc
matplotlib version 0.98.3
verbose.level helpful
interactive is False
Hi all,
I would like to visualize the ovality of a perturbed
circular path by a polar plot.
How can I improve the view wrt to scaling and ticks ?
from pylab import linspace, polar, xticks, yticks, show,
savefig, subplot, figure
from numpy.random import rand
from numpy import ones, exp, pi, r_
Hi all,
If I run the attached example I obtain no polar plots, but
a view like plot(t,r_1) - for what reason ?
Nils
python -i test_subplot_polar.py --verbose-helpful
$HOME=/home/nwagner
CONFIGDIR=/home/nwagner/.matplotlib
/usr/lib/python2.4/site-packages/matplotlib/__init__.py:662:
On Tue, 2 Dec 2008 11:14:48 -0600
Ryan May [EMAIL PROTECTED] wrote:
On Tue, Dec 2, 2008 at 11:07 AM, Nils Wagner
[EMAIL PROTECTED]wrote:
Hi all,
If I run the attached example I obtain no polar plots,
but a view like
plot(t,r_1) - for what reason ?
You need to specify polar=True
Hi all,
How can I suppress xticks in a polar plot ?
Nils
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On Wed, 10 Dec 2008 04:24:24 -0800
Joshua Lippai [EMAIL PROTECTED] wrote:
With PyExcelerator installed, you can use the Excel
tools in the
matplotlib toolkits
http://matplotlib.sourceforge.net/users/toolkits.html
Using them, you can read in Excel files as recarrays and
write
recarrays
/pypi/xlwt
and xlrd to read Excel:
http://pypi.python.org/pypi/xlrd/
Both maintained by John Machin.
On 2008/12/10 at 03:11, in message [EMAIL PROTECTED], Nils Wagner
[EMAIL PROTECTED] wrote:
On Wed, 10 Dec 2008 04:24:24 -0800
Joshua Lippai [EMAIL PROTECTED] wrote:
With PyExcelerator
Hi all,
Is it possible to restrict the mouse movements to the
points of a graph (curve tracking) ?
So far I am able to obtain the location of the mouse in
data coordinates if the mouse is over an axes.
A code snippet is attached.
Thanks in advance.
Nils
from
---BeginMessage---
Please respond on list and I, or someone else, will try and respond.
On Tue, Jan 27, 2009 at 7:08 AM, Nils Wagner
nwag...@iam.uni-stuttgart.de wrote:
On Tue, 27 Jan 2009 06:37:09 -0600
John Hunter jdh2...@gmail.com wrote:
On Tue, Jan 27, 2009 at 2:15 AM, Nils Wagner
nwag
On Tue, 27 Jan 2009 08:57:17 -0600
John Hunter jdh2...@gmail.com wrote:
On Tue, Jan 27, 2009 at 8:18 AM, Nils Wagner
nwag...@iam.uni-stuttgart.de wrote:
Thank you very much for your response.
The horizontal distance between consecutive points is
5. in my application.
Is the value
Hi all,
How can I resolve the following backend problem ?
What are the default library and include directories for
tcl and tk ?
Where should I define DISPLAY in that context ?
python setup.py build --help
OPTIONAL BACKEND DEPENDENCIES
libpng: 1.2.7
Tkinter:
Hi all,
I am looking for an autocrop function.
It should remove borders from an image.
Is it available in matplotlib ?
Any pointer would be appreciated.
Thanks in advance
Nils
On Tue, 9 Jun 2009 11:31:19 -0700 (PDT)
Anton Vasilescu vasilescu_an...@yahoo.com wrote:
I wasn't able to find one in Matplotlib but you can use
PIL library for all the imaging work. Really easy to use.
Here is the webpage for it:
http://www.pythonware.com/products/pil/index.htm
Anton
On Wed, 10 Jun 2009 16:32:08 -0400
Jae-Joon Lee lee.j.j...@gmail.com wrote:
I guess I misunderstood your intention.
As you posted the message in the mpl list, I assumed
that you want to
crop out the boundary of the mpl figure, which seems to
be not the
case.
Sorry for the noise.
-JJ
Hi,
Could you please share your findings? I would also like
to learn how to
script Blender once I start get going on Gimp.
Finally I made it. Please find enclosed a solution.
Cheers,
Nils
import os
import subprocess
from subprocess import PIPE
import glob
#
#
Hi all,
is it possible to build wire-frame models with matplotlib
?
Any pointer would be appreciated.
Thanks in advance
Nils
http://en.wikipedia.org/wiki/Wire-frame_model
--
Hi all,
python make.py html failed with
/home/nwagner/svn/matplotlib/doc/faq/environment_variables_faq.rst::
WARNING: document isn't included in any toctree
/home/nwagner/svn/matplotlib/doc/mpl_toolkits/axes_grid/index.rst::
WARNING: document isn't included in any toctree
Hi all,
Is it possible to suppress the output of
DeprecationWarning messages on the screen ?
Nils
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Hi all,
I cannot build the documentation of matplotlib.
I am using the latest svn of numpy and matplotlib.
How can I fix the problem ?
Nils
python make.py html
Running Sphinx v1.0
loading pickled environment... not found
animation, api, axes_grid, event_handling, misc, mplot3d,
On Tue, 22 Dec 2009 17:38:41 -0500
Jae-Joon Lee lee.j.j...@gmail.com wrote:
As far as I can see, this happens when there are
obsolete rst files
(related with the Gallery I guess), created during the
doc. build with
previous svn checkout.
For example, I recently removed
Hi all,
How can I combine onpick events with annotate ?
Any pointer would be appreciated.
import numpy as np
import matplotlib.pyplot as plt
fig = plt.figure()
ax = fig.add_subplot(111)
ax.set_title('click on points')
line, = ax.plot(np.random.rand(100), 'o', picker=5) # 5
points tolerance
Hi all,
does anybody know how to draw a permille sign in ylabel ?
Nils
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Hi all,
how can I change the output format of yticks from 100
to 1.e6 ?
Nils
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On Wed, 24 Mar 2010 10:14:29 -0400
Michael Droettboom md...@stsci.edu wrote:
You can use Unicode.
ylabel(u'\u2030')
http://www.unicode.org/charts/charindex.html
Mike
Degree Celsius u'\u2103' doesn't work.
/usr/local/lib64/python2.4/site.packages/matplotlib/mathtext.py:722:
/home/nwagner/local/lib64/python2.6/site-packages/matplotlib/sphinxext/plot_directive.py:300:
PlotWarning: Exception running plot
/home/nwagner/svn/matplotlib/doc/mpl_examples/pylab_examples/fig_subplot_demo.py
Traceback (most recent call last):
File
Hi all,
Is it possible to create a polar plot, where the lower
bound of the radius is larger than zero ?
I would like to plot an annulus.
Any pointer would be appreciated.
Thanks in advance
Nils
On Wed, 18 Aug 2010 08:51:31 -0500
Benjamin Root ben.r...@ou.edu wrote:
On Wed, Aug 18, 2010 at 8:03 AM, Nils Wagner
nwag...@iam.uni-stuttgart.dewrote:
Hi all,
Is it possible to create a polar plot, where the lower
bound of the radius is larger than zero ?
I would like to plot
Hi all,
what is needed to save a figure when the size is given in
pixels, i.e. 1024x772 ?
The default is 800x600 pixels.
from pylab import plot, savefig
from numpy import sin,linspace,pi
x = linspace(0,2*pi,200)
plot(x,sin(x))
savefig('test')
Nils
Hi all,
How can I adjust subplot parameters (left, bottom, right,
top, wspace and hspace) without using the slider
interactive?
Nils
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Hi all,
just curious - is the WebP format supported by matplotlib
?
Nils
http://code.google.com/intl/de-DE/speed/webp/
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Hi all,
Is it possible to apply griddata to polar coordinates or
do I need cartesian coordinates ?
http://matplotlib.sourceforge.net/api/mlab_api.html#matplotlib.mlab.griddata
Nils
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Hi all,
I am looking for a simple method to generate various
colours (n 15, n denotes the number of colours) for a
stacked bar plot.
Any pointer would be appreciated.
The example
http://matplotlib.sourceforge.net/examples/pylab_examples/table_demo.html
generates pastel colours. However the
Hi all,
what are the differences between the griddata
implementations in matplotlib and scipy, i.e.
from scipy.interpolate import griddata
and
from matplotlib.mlab import griddata
Is the Shepard algorithm available in matplotlib/scipy ?
Nils
Reference:
Robert J. Renka
Algorithm 790:
Hi all,
How can I add a printer button to the Navigation toolbar
http://matplotlib.sourceforge.net/users/navigation_toolbar.html
?
A small example for QT would be awesome.
Thanks in advance.
Nils
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On Thu, 29 Sep 2011 14:56:21 +0200
Nils Wagner nwag...@iam.uni-stuttgart.de wrote:
Hi all,
How can I add a printer button to the Navigation toolbar
http://matplotlib.sourceforge.net/users/navigation_toolbar.html
?
A small example for QT would be awesome.
Thanks in advance.
Nils
On Tue, 4 Oct 2011 10:09:57 +0200
Jens Nie j...@roseninspection.net wrote:
Hi Nils.
The Qt based Navigation toolbar is just a Qt Widget with
a proper layout already set. So you should be able to add
any Qt widget to the toolbar using its addWidget method.
I was able to add a simple line
Hi all,
I have played around with the edit curves line and axes
parameters button.
I have modified the label but the legend is not refreshed
in the figure.
matplotlib.__version__
'1.0.1'
Am I missing something ?
Nils
File
/home/nwagner/local/lib64/python2.6/site-packages/matplotlib/backends/backend_qt4.py,
line 463, in edit_parameters
figureoptions.figure_edit(axes, self)
File
/home/nwagner/local/lib64/python2.6/site-packages/matplotlib/backends/qt4_editor/figureoptions.py,
line 132, in
Hi all,
what is the native data coordinate system for Arrows in
a polar plot ?
How do I add arrows to a polar plot ?
An example would be appreciated.
fig = figure(figsize=(12,12))
ax = fig.add_subplot(111, polar=True)
Nils
On Wed, 19 Oct 2011 15:45:07 -0500
Benjamin Root ben.r...@ou.edu wrote:
On Fri, Oct 14, 2011 at 3:42 AM, Nils Wagner
nwag...@iam.uni-stuttgart.dewrote:
Hi all,
what is the native data coordinate system for Arrows
in
a polar plot ?
How do I add arrows to a polar plot ?
An example
On Wed, 19 Oct 2011 15:45:07 -0500
Benjamin Root ben.r...@ou.edu wrote:
On Fri, Oct 14, 2011 at 3:42 AM, Nils Wagner
nwag...@iam.uni-stuttgart.dewrote:
Hi all,
what is the native data coordinate system for Arrows
in
a polar plot ?
How do I add arrows to a polar plot ?
An example
Hi all,
How do I use animation.FuncAnimation to plot real-life
data from parsing a text file ?
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.animation as animation
import sys
import time
import re
x = [] # x
y = [] # y
fig = plt.figure()
ax=
On Tue, 20 Dec 2011 10:48:42 -0600
Ryan May rma...@gmail.com wrote:
On Tue, Dec 20, 2011 at 8:00 AM, Nils Wagner
nwag...@iam.uni-stuttgart.de wrote:
Hi all,
How do I use animation.FuncAnimation to plot real-life
data from parsing a text file ?
Here's a version that does what I think you
Hi all,
I have filed a ticket for adding a printer button to the
navigation toolbar.
https://github.com/matplotlib/matplotlib/issues/670
I am interested in a wider response.
Any further comments ?
Nils
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On Mon, 16 Jan 2012 08:18:03 -0600
Benjamin Root ben.r...@ou.edu wrote:
On Monday, January 16, 2012, Nils Wagner
nwag...@iam.uni-stuttgart.de
wrote:
Hi all,
I have filed a ticket for adding a printer button to the
navigation toolbar.
https://github.com/matplotlib/matplotlib/issues/670
I am
Hi all,
How can I increase the number of decimal places in yticks
?
Nils
from matplotlib.ticker import ScalarFormatter
formatter =
ScalarFormatter(useMathText=True,useOffset=False)
formatter.set_scientific(True)
formatter.set_powerlimits((-12,12))
print dir (formatter)
import
Hi all,
http://matplotlib.sourceforge.net/_static/CHANGELOG seems
to be outdated. Am I mising something ?
Nils
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Hi all,
I tried to combine an event with an annotation.
However, the annotation is not visible, when I click on
the curves.
How can I resolve the problem ?
The code is available at http://pastebin.com/QxKBZtaX
Any pointer would be appreciated.
Thanks in advance.
Nils
Hi all,
I would like to add different xtick labels on the top and
bottom of a figure. The number and position of the xticks
is the same.
How can I do that ?
An example would be appreciated.
Nils
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Hi all,
Just curious.
Is there a chance that the following ticket will be fixed before the
forthcoming release.
https://github.com/matplotlib/matplotlib/issues/917
Nils
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Hi all,
is it possible to store figures generated with matplotlib as Matlab files ?
Cheers,
Nils
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Hi all,
how can I hide ticks and/or labels in the presence of sharex=ax. Only
the last subplot 313 should have ticks and labels.
import matplotlib.pyplot as plt
fig=plt.figure(0,figsize=(16,24))
ax = fig.add_subplot(311)
ax.set_xticks([])
ax.set_xticklabels('')
ax1 =
Hi all,
AFAIK it is currently not possible to modify the ticks of a plot
within the Figure options window. Is it planned to add this feature
to the Figure options window ?
How can I modify the default path in the Navigation Toolbar if I launch the
file save dialog by clicking the save button ?
Hi all,
I cannot install matplotlib. Please find enclosed the logfile of
python setup.py install --prefix=$HOME/local log.txt
Any idea how to resolve the problem is appreciated.
Thanks in advance.
Nils
log.txt.gz
Description: GNU Zip compressed data
and do this anyway at this point.
Mike
On 04/23/2013 02:57 PM, Nils Wagner wrote:
Hi all,
I cannot install matplotlib. Please find enclosed the logfile of
python setup.py install --prefix=$HOME/local log.txt
Any idea how to resolve the problem is appreciated.
Thanks in advance
Hi all,
I would like to add a legend to a 3D plot.
However, the legend ist not visible in the example given below.
Am I missing something ?
Nils
import numpy as np
from mpl_toolkits.mplot3d import Axes3D
import matplotlib.pyplot as plt
import random
def fun(x, y):
return x**2 + y
def fun1(x,
Hi all,
I cannot build the latest matplotlib from git. The build log is attached.
Nils
build.log.gz
Description: GNU Zip compressed data
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Hi all,
How can I modify the grid linewidth and grid line color of an Axes3D object
?
is it possible to use white instead of gray for the background color ?
The following snippet doesn't show the desired effect.
from mpl_toolkits.mplot3d import Axes3D
import matplotlib.pyplot as plt
fig =
Hi Ben,
It works for me. Thank you very much !
Best wishes
Nils
On Tue, Sep 17, 2013 at 3:25 PM, Benjamin Root ben.r...@ou.edu wrote:
On Tue, Sep 17, 2013 at 4:25 AM, Nils Wagner nils...@googlemail.comwrote:
Hi all,
How can I modify the grid linewidth and grid
Hi all,
I tried to add a colorbar to a bar plot
coolwarm = cm = plt.get_cmap('coolwarm')
values = range(100)
cNorm = colors.Normalize(vmin=0, vmax=values[-1])
scalarMap = cmx.ScalarMappable(norm=cNorm, cmap=coolwarm)
colours = []
for value in values:
colorVal = scalarMap.to_rgba(value)
plt.colorbar(scalarMap,ax=ax) results in
cm.py, line 309, in autoscale_None
raise TypeError('You must first set_array for mappable')
TypeError: You must first set_array for mappable
Nils
On Fri, Oct 11, 2013 at 9:51 AM, Eric Firing efir...@hawaii.edu wrote:
On 2013/10/10 8:52 PM, Nils
The problem persists in master.
On Fri, Aug 30, 2013 at 7:39 PM, Nils Wagner nils...@googlemail.com wrote:
You are right.
The first one fails, the second works for me.
Nils
On Fri, Aug 30, 2013 at 7:20 PM, Michael Droettboom md...@stsci.eduwrote:
I wonder if it's commit 6b827cbf
Hi all,
How can I use a pick event when I have used Zoom to rectangle before ?
Nils
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, Nils Wagner nils...@googlemail.com wrote:
Hi all,
How can I use a pick event when I have used Zoom to rectangle before ?
Nils
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Hi all,
The Reset original view button is effectless in case of 3D plots.
Nils
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Hi all,
How can I retrieve the corresponding color value in percent, when I click
on the image ?
fig = plt.figure()
ax = fig.add_subplot(111)
cax = ax.imshow(col[:,::2], interpolation='nearest',extent=[0.5,20.5,0.5,2
0.5],alpha=1,picker=5)
fig.canvas.mpl_connect('pick_event', onpick)
def
Hi Joe,
Just now I installed your package mpldatacursor and run the example
image_example.py.
Awesome !
Is there a chance to integrate it into matplotlib ?
Nils
On Wed, Oct 30, 2013 at 5:58 PM, Joe Kington joferking...@gmail.com wrote:
On Oct 30, 2013 9:43 AM, Nils Wagner nils
Hi all,
how can I resolve the problem described at
http://community.coreldraw.com/forums/p/31103/146512.aspx
Nils
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Hi all,
How can I add lines between points of a scatter plot in an interactive
manner ?
A small example would be appreciated.
Thanks in advance
Nils
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Hi all,
I cannot build matplotlib from git
src/_backend_gdk.c: In function ‘pixbuf_get_pixels_array’:
src/_backend_gdk.c:43:10: error: ‘PyArrayObject’ has no member named
‘strides’
src/_backend_gdk.c:46:10: error: ‘PyArrayObject’ has no member named ‘base’
error: command '/usr/bin/gcc' failed
Hi all,
here is a new build problem
/usr/include/libpng12/pngconf.h:371:12: error: ‘__pngconf’ does not name a
type
/usr/include/libpng12/pngconf.h:372:12: error: ‘__dont__’ does not name a
type
error: command '/usr/bin/gcc' failed with exit status 1
Now I am using
commit
Hi all,
how can I create line segments between consecutive selected points of a
scatter plot in an interactive manner ? It should be possible to create
several unclosed polygonal lines. Each polygonal line might have
a different color.
A small example is appreciated.
Thanks in advance.
--
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looking for?
Cheers!
Ben Root
On Thu, Dec 11, 2014 at 8:47 AM, Nils Wagner nils...@googlemail.com
wrote:
Hi all,
how can I create line segments between consecutive selected points of a
scatter plot in an interactive manner ? It should be possible
Hi all,
Assume that we have knowledge of pressure values at certain irregular grid
points in 3D, i.e.
p_i(x_i, y_i, z_i) i = 1,(1),N
where N denotes the number of grid points.
Usually N = 7e5.
Is it possible to create an isobar plot using matplotlib ?
How can I achieve it ?
Nils
Hi all,
I found
http://stackoverflow.com/questions/9419451/3d-contour-plot-from-data-using-mayavi-python
Is there something similar in matplotlib ?
Nils
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New Year. New Location. New Benefits. New Data Center in
, Jan 20, 2015 at 4:27 PM, Paul Hobson pmhob...@gmail.com wrote:
The gallery had a comprehensive set of available three dimensional plots,
I think.
http://matplotlib.org/gallery.html#mplot3d
On Tue, Jan 20, 2015 at 01:19 Nils Wagner nils...@googlemail.com wrote:
Hi all,
I found
http
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