[matplotlib-devel] pylib dynamic plot.

2007-11-24 Thread hjc520070 

I just want to a dynamic plot with a line show in a plot.
The line changes every second when it gets the different
data(xdata(),ydata()) from list[i].
list[1]=([1,2],[3,5]) list[2]=([1,2],[3,5],[5,4])
list[3]=([1,2],[3,5],[5,4],[7,6])
list[4]=([1,2],[3,5],[5,4],[7,6],[9,7])..
for example, when list[1] in set for the data of the line, I will get a line
with two point (1,2)(3,5). After a second,list[2] is auto setted for the
data of the line, and I will get a line with three point. With the different
list[i] setted for the line, the line changed.
I just tried it again and again, but failed.
Can somebody help me? And just give a short code to do it.
Thank you.
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[matplotlib-devel] matplotlib.image.AxesImage can't work.

2007-11-29 Thread hjc520070 

I just want to show a matplotlib.image.AxesImage on a figure. But It can't
work properly. Can somebody help me? The code are following:  when I run it
, It just show a white figure. But I Set it cm.Greens .It doesn't work .
Why?


# -*- coding:gb2312 -*- 
import matplotlib
matplotlib.use("WXAgg")
matplotlib.interactive(True)
from matplotlib.backends.backend_wx import FigureCanvasWx
from matplotlib.figure import Figure
from matplotlib.axes import Subplot
from numpy import *
import wx

class ShowPlot():
def __init__(self,Frame):
delta = 0.025
x = arange(-2.0, 2.0, delta)
y = arange(-2.0, 2.0, delta)
X, Y = meshgrid(x, y)
Z1 = bivariate_normal(X, Y, 1.0, 1.0, 0.0, 0.0)
Z2 = bivariate_normal(X, Y, 1.5, 0.5, 1, 1)
Z = 10.0 * (Z2 - Z1)   
levels = arange(-1.2, 1.6, 0.2)
self.fig = Figure((6,6), 70)
self.canvas = FigureCanvasWx(Frame, -1, self.fig)
self.axe=self.fig.add_axes([0.1, 0.1, 0.8, 0.8])
   
i=matplotlib.image.AxesImage(self.axe,data=Z,interpolation='bilinear',
origin='lower',cmap=cm.Greens, extent=(-2,2,-2,2))
app = wx.PySimpleApp()
f=wx.Frame(None,size=(600,600))
f.Show(True)
ShowPlot(f)
app.MainLoop()
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[matplotlib-devel] How to show matplotlib.image ?

2007-11-30 Thread hjc520070 

The following run well . But I just want to make the image, with the x and y
as axis and z as the image value ,show on the figure. In the pylab , we can
just give a command "imshow" ,But here , I fail to do it , I have try
ax.imshow() again and again ,but fail. Can sb give me some advice . Thank
you .


import matplotlib
matplotlib.use("WXAgg")
matplotlib.interactive(True)
from matplotlib.backends.backend_wx import FigureCanvasWx
from matplotlib.figure import Figure
from matplotlib.axes import *
from numpy import *
import wx
from pylab import *

#---

class DynamicPlot():
def __init__(self,Frame):
delta = 0.025
x = arange(-3.0, 3.0, delta)
y = arange(-2.0, 2.0, delta)
X, Y = meshgrid(x, y)
Z1 = bivariate_normal(X, Y, 1.0, 1.0, 0.0, 0.0)
Z2 = bivariate_normal(X, Y, 1.5, 0.5, 1, 1)
Z = 10.0 * (Z2 - Z1)   
levels = arange(-1.2, 1.6, 0.2)  
self.fig = Figure((8,8), 75)
self.canvas = FigureCanvasWx(Frame, -1, self.fig)
ax=self.fig.add_axes([0.1,0.1,0.8,0.8])
   
ax.contour(X,Y,Z,levels,origin='lower',linewidths=2,extent=(-3,3,-2,2))
app = wx.PySimpleApp()
f=wx.Frame(None,size=(600,600))
f.Show(True)
DynamicPlot(f)
app.MainLoop()
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Re: [matplotlib-devel] matplotlib.image.AxesImage can't work.

2007-11-30 Thread hjc520070 

Thank u for your help. I did it as your reply. But some questions appear
again . Can you give me some more advice , your help will be appreciated.
Code are as following:  You know when I do "self.ax.images.append(self.im)"
in pylab . It do properly , But ,it fail here.  Thank you!



# -*- coding:gb2312 -*- 
import matplotlib
matplotlib.use("WXAgg")
matplotlib.interactive(True)
from matplotlib.backends.backend_wx import FigureCanvasWx
from matplotlib.figure import Figure
from matplotlib.axes import *
from numpy import *
import wx
from matplotlib.image import NonUniformImage
import numpy as npy

#---

class DynamicPlot():
def __init__(self,Frame):
x = npy.arange(-4, 4, 0.005)
y = npy.arange(-4, 4, 0.005)
z = npy.sqrt(x[npy.newaxis,:]**2 + y[:,npy.newaxis]**2)


self.fig = Figure((8,8), 75)
self.canvas = FigureCanvasWx(Frame, -1, self.fig)
self.ax=self.fig.add_subplot(111)
self.im = NonUniformImage(self.ax)
self.im.set_data(x, y, z)
self.ax.images.append(self.im)
self.ax.imshow(self.im)
app = wx.PySimpleApp()
f=wx.Frame(None,size=(600,600))
f.Show(True)
DynamicPlot(f)
app.MainLoop()
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Re: [matplotlib-devel] pylib dynamic plot.

2008-02-02 Thread hjc520070 

Yeah! The code helps me a lot. Thank you! 
Cong  from China
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