[Matplotlib-users] zorder for collections
Hi, I would like to set the zorder on a collection e.g. PatchCollection. By looking at the matplotlib source code in collections.py, I figured that it would be possible to set the zorder attribute of a collection manually, e.g. p = PatchCollection(...) p.zorder = ... but I was wondering whether it would make sense to allow zorder to be passed as a keyword argument when initializing a collection, or when running ax.add_collection, or is there a reason that this was not done? Cheers, Tom -- Create and publish websites with WebMatrix Use the most popular FREE web apps or write code yourself; WebMatrix provides all the features you need to develop and publish your website. http://p.sf.net/sfu/ms-webmatrix-sf ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
[Matplotlib-users] Widgets on top of FigureCanvas
I would like to put a gtk.Button on top of a FigureCanvas. But whatever
I try the FigureCanvas stays always on top hiding the button.
Below is an example where I can change the order of buttons
by switching the following two lines
lay.put(but1,360,260)
lay.put(but2,360,275)
but this doesn't work for FigureCanvas
lay.put(canvas,0,0)
Any help appreciated.
Ciao
Andreas
import gtk
import numpy as np
import pylab as mpl
from matplotlib.backends.backend_gtkagg import FigureCanvasGTKAgg as
FigureCanvas
win = gtk.Window()
win.set_default_size(450,350)
fig = mpl.figure()
subfig = fig.add_subplot(1,1,1)
ax = subfig.plot([2,3,1])
canvas = FigureCanvas(fig)
canvas.set_size_request(400,300)
but1 = gtk.Button('1')
but2 = gtk.Button('2')
lay = gtk.Layout()
lay.put(canvas,0,0)
lay.put(but1,360,260)
lay.put(but2,360,275)
win.add(lay)
win.show_all()
win.connect('destroy', gtk.main_quit)
gtk.main()
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Re: [Matplotlib-users] can't picker once pan or zoom chosen
Straightfoward solution is to deselect zoom or pan by clicking those buttons
again. The cursor returns to the "Arrow" shape.
Any better solution?
marc desmarais-2 wrote:
>
> I created a simple scatter plot and a service routine to print out the
> coordinates of the points I pick with the cursor (based on the demo). It
> works until I select the pan or zoom cursor. After I zoom or pan, I can
> no longer get back to the normal cursor which allows me to "pick" a
> circle. Even clicking "home" doesn't help.
>
> The code is shown below
>
>
> from matplotlib import figure,pyplot
> from numpy import linspace,sin,take
>
> fig=pyplot.figure()
>
> ax1=fig.add_subplot(1,1,1) # (numRows, numCols, plotNum)
>
> t=linspace(0,10,100)
> y1=sin(5*t)
> y2=y1+sin(10*t)
>
> line1=ax1.scatter(y1,y2,picker=True)
>
> def onpick1(event):
> ind = event.ind
> print 'onpick1 scatter:', ind, take(y1, ind), take(y2, ind)
>
> fig.canvas.mpl_connect('pick_event', onpick1)
> pyplot.show()
>
>
> this is based on the demo at
>
> http://matplotlib.sourceforge.net/examples/event_handling/pick_event_demo.html?highlight=scatter
>
> Marc Desmarais
>
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>
> Long Beach, CA, 90814
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>
>
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>
>
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Re: [Matplotlib-users] Can't pick on various scatter markers
This bug or feature? is still in matplotlib 0.99.1.1 (Ubuntu 10.04 LTS)
More precisely scatter using symbols with zero area ('x', '+') will not
pick, regardless of the float value in picker.
Although this DOES work with plot, you can't vary the marker size between
points like you can with scatter.
I have also confirmed this in a version of the example in the docs
http://matplotlib.sourceforge.net/users/event_handling.html#picking-exercise
Which I could upload, but the code below is just fine.
If this is a feature, I suggest it be stated in the documentation.
Kyle Whitmer wrote:
>
> I'm having trouble using picker on a scatter plots with various markers
> (e.g. + and x). It works with the plot command fine. What am I missing?
> Sample code below.
>
> import numpy
> import pylab
>
> def onpick(event):
> print 'Pick:',event.ind
>
> fig = pylab.figure()
> ax = fig.add_subplot(111)
>
> x1,y1 = numpy.random.random((2,100))
> series1=ax.plot(x1,y1,marker='x',color='b',linestyle='',label='plot',picker=5)
> x2,y2 = numpy.random.random((2,100))
> series2=ax.scatter(x2,y2,marker='x',color='g',label='scatter-X',picker=5)
> x3,y3 = numpy.random.random((2,100))
> series3=ax.scatter(x3,y3,marker='o',color='r',label='scatter-O',picker=5)
>
> fig.canvas.mpl_connect('pick_event',onpick)
> pylab.legend()
> pylab.show()
>
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[Matplotlib-users] import matplotlib.pyplot errors
In [1]: import matplotlib.pyplot as plt --- ImportError Traceback (most recent call last) /Users/ibook/Downloads/ in () /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/pyplot.py in () 21 from matplotlib.cbook import dedent, silent_list, is_string_like, is_numlike 22 from matplotlib import docstring ---> 23 from matplotlib.figure import Figure, figaspect 24 from matplotlib.backend_bases import FigureCanvasBase 25 from matplotlib.image import imread as _imread /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/figure.py in () 14 import numpy as np 15 ---> 16 import artist 17 from artist import Artist, allow_rasterization 18 from axes import Axes, SubplotBase, subplot_class_factory /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/artist.py in () 4 import matplotlib.cbook as cbook 5 from matplotlib import docstring, rcParams > 6 from transforms import Bbox, IdentityTransform, TransformedBbox, TransformedPath 7 from path import Path 8 /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/transforms.py in () 32 import numpy as np 33 from numpy import ma ---> 34 from matplotlib._path import affine_transform 35 from numpy.linalg import inv 36 ImportError: dlopen(/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/_path.so, 2): no suitable image found. Did find: /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/matplotlib/_path.so: no matching architecture in universal wrapper -- Create and publish websites with WebMatrix Use the most popular FREE web apps or write code yourself; WebMatrix provides all the features you need to develop and publish your website. http://p.sf.net/sfu/ms-webmatrix-sf ___ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
