Skip to main content

Installing python and friends on Windows (vista)

One way to go is to get the installer from Enthought [here]. This is the academic version, but their license agreement is not clear to me: it is not clear that even as a researcher working on public money in a university doing research I publish in publicly accessible journals and make available on my website, I can use this distribution. What you pay for is the convenience of having a lot of open source python related software bundled together. You also get a lot of packages you may not be using.

For me, the old fashioned hunter gatherer lifestyle leads me to the following course of action:
  1. Download and install python using the installer []
  2. Download and install setup tools [, scroll to the bottom]
  3. Run command prompt as admin to use easy_install [guide here]
  4. Install ipython
    [or whatever versions you want from that page]
  5. Install numpy
    The egg is through sourceforge, which doesn't have direct access, so download it to a directory and then use the egg from there
    easy_install "D:\Documents\My Downloads\numpy-1.0.4-py2.5-win32.egg"
  6. Install scipy
    Download the egg from sourceforge, and then easy_install:
    easy_install "D:\Documents\My Downloads\scipy-0.6.0-py2.5-win32.egg"
  7. Install matplotlib
    The egg is through sourceforge, which doesn't have direct access, so download it to a directory and then use the egg from there
    easy_install "D:\Documents\My Downloads\matplotlib-0.91.2.win32-py2.5.egg"
These steps take care of everything including 2D plots that are exportable to svg, but what about 3D plots? This gets more tricky.


Post a Comment

Popular posts from this blog

Python: Multiprocessing: passing multiple arguments to a function

Write a wrapper function to unpack the arguments before calling the real function. Lambda won't work, for some strange un-Pythonic reason.

import multiprocessing as mp def myfun(a,b): print a + b def mf_wrap(args): return myfun(*args) p = mp.Pool(4) fl = [(a,b) for a in range(3) for b in range(2)] #mf_wrap = lambda args: myfun(*args) -> this sucker, though more pythonic and compact, won't work, fl)

Flowing text in inkscape (Poster making)

You can flow text into arbitrary shapes in inkscape. (From a hint here).

You simply create a text box, type your text into it, create a frame with some drawing tool, select both the text box and the frame (click and shift) and then go to text->flow into frame.


The omnipresent anonymous asked:
Trying to enter sentence so that text forms the number three...any ideas?
The solution:
Type '3' using the text toolConvert to path using object->pathSize as necessaryRemove fillUngroupType in actual text in new text boxSelect the text and the '3' pathFlow the text

Drawing circles using matplotlib

Use the pylab.Circle command

import pylab #Imports matplotlib and a host of other useful modules cir1 = pylab.Circle((0,0), radius=0.75, fc='y') #Creates a patch that looks like a circle (fc= face color) cir2 = pylab.Circle((.5,.5), radius=0.25, alpha =.2, fc='b') #Repeat (alpha=.2 means make it very translucent) ax = pylab.axes(aspect=1) #Creates empty axes (aspect=1 means scale things so that circles look like circles) ax.add_patch(cir1) #Grab the current axes, add the patch to it ax.add_patch(cir2) #Repeat