Eric Firing wrote:
> Wayne Watson wrote:
>> I have a fairly large program that uses pylab and company. I want to
>> use the matplot histogram function. Here are the declarations at the
>> start. I added import matplotlib as mpl
>> ---------------------start
>> from Tkinter import *
>> from numpy import *
>> import numpy
>> import pylab
>> import Image
>> import ImageChops
>> import ImageTk
>> import time
>> import binascii
>> import tkMessageBox
>> import tkSimpleDialog
>> from pylab import plot, xlabel, ylabel, title, show, xticks, bar
>> import matplotlib as mpl <<<<---------- added
>>
>> from tkFileDialog import asksaveasfilename
>> from tkFileDialog import askopenfilename
>>
>> import MakeQTE
>>
>> import socket
>>
>> ... 500 lines of code
>>
>> I've added the follow code in a function
>> print "pltx_bins: ", pltx_bins
>> print "Off to pylab: ", plt_bins[0:nplt_bins]
>> fig = mpl.figure()
>> v = array(plt_bins)
>> print "v is: ",v
>> print "edges --", linspace(0,256,nplt_bins+1)
>> mpl.histogram(v, bins=linspace(0,256,nplt_bins+1), normed=1)#
>> matplotlib version (plot)
>> mpl.show()
>> print "end of histogram output"
>> # end of function
>> -------------------------end
>> The program dies at fig = figure() with:
>> Exception in Tkinter callback
>> Traceback (most recent call last):
>> File "C:\Python25\lib\lib-tk\Tkinter.py", line 1403, in __call__
>> return self.func(*args)
>> File
>> "C:\Sandia_Meteors\Sentinel_Development\Development_Sentuser+Utilities\sentuser\sentuser_20090103+hist.py",
>>
>> line 504, in ShowHistogram
>> fig = mpl.figure()
>> TypeError: 'module' object is not callable
>>
>> What's the problem here?
>>
>>
>
> figure(), show(), etc. are pylab (or matplotlib.pyplot) functions, not
> matplotlib functions.
>
> Especially for a long program, it is strongly recommended that you not
> use "from numpy import *". The recommended form is
>
> import numpy as np
> import matplotlib.pyplot as plt
>
> It will help you keep a clear picture of where various types of
> functionality are coming from. See also
> http://matplotlib.sourceforge.net/faq/usage_faq.html
> and note that a primarily object-oriented approach is recommended for
> use in other than quick scripts and interactive plotting.
>
> Eric
>
Thanks. Well, that explains a lot! functions in the wrong place.
I'm pretty new to this stuff, so what belongs where is sometimes
unclear. I'll check out the sourceforge tip. I didn't write the program.
I'm just trying to add some features. Changing the import for matplotlib
got the graphics window up.
import matplotlib.pyplot as plt
When I ran it, it was followed by this traceback:
------------start
Exception in Tkinter callback
Traceback (most recent call last):
File "C:\Python25\lib\lib-tk\Tkinter.py", line 1403, in __call__
return self.func(*args)
File
"C:\Sandia_Meteors\Sentinel_Development\Development_Sentuser+Utilities\sentuser\sentuser_20090103+hist.py",
line 508, in ShowHistogram
plt.histogram(v, bins=linspace(0,256,nplt_bins+1), normed=1)#
matplotlib version (plot)
AttributeError: 'module' object has no attribute 'histogram'
---------------end
508 line is the histogram. Who's complaining? ShowHistogram? I don't
believe I should be using hist here instead of histogram.
Off to sourceforge.
--
Wayne Watson (Watson Adventures, Prop., Nevada City, CA)
(121.015 Deg. W, 39.262 Deg. N) GMT-8 hr std. time)
Obz Site: 39° 15' 7" N, 121° 2' 32" W, 2700 feet
The popular press and many authorities believe the number
of pedifiles that prowl the web is 50,00. There are no
figures that support this. The number of children below
18 years of age kidnapped by strangers is 1 in 600,00,
or 115 per year. -- The Science of Fear by D. Gardner
Web Page: <www.speckledwithstars.net/>
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