Re: [Matplotlib-users] Changing the size of graphs when saved

[John H. <jdh...@ac...>]

    Chris> Hi, I have looked had a look around but I have been unable
    Chris> to find out how to change the size (and orientation) of
    Chris> graphs when I save them as eps or png files - using savefig
    Chris> - any help or directions to help would be greatly
    Chris> appreciated.

The flags you are looking for a re the figsize argument to the figure
command, and the orientation flag to the savefig command.  Complete
docstrings below.

I didn't write the landscape support for PS/EPS (there is none
currently for png), but I think the following incantation is what you
are looking for

    from matplotlib.matlab import *
    figure(figsize=(11, 8.5))
    plot([1,2,3])
    savefig('temp.ps', orientation='landscape')
    show()
     

Docstring:
    figure(num = 1, figsize=(8, 6), dpi=80, facecolor='w', edgecolor='k')
     
     
    Create a new figure and return a handle to it
     
    If figure(num) already exists, make it active and return the
    handle to it.
     
      figure(1)
     
    figsize - width in height x inches; defaults to rc figure.figsize
    dpi     - resolution; defaults to rc figure.dpi
    facecolor - the background color; defaults to rc figure.facecolor
    edgecolor - the border color; defaults to rc figure.edgecolor
     
    rcParams gives the default values from the .matplotlibrc file
 
 
3 >>> savefig?
Type:           function
Base Class:     <type 'function'>
String Form:    <function savefig at 0x414504fc>
Namespace:      Interactive
File:           /usr/local/lib/python2.3/site-packages/matplotlib/matlab.py
Definition:     savefig(*args, **kwargs)
Docstring:
    def savefig(fname, dpi=150, facecolor='w', edgecolor='w',
                orientation='portrait'):
    Save the current figure to filename fname.  dpi is the resolution
    in dots per inch.
     
    Output file types currently supported are jpeg and png and will be
    deduced by the extension to fname
     
    facecolor and edgecolor are the colors os the figure rectangle
     
    orientation is either 'landscape' or 'portrait' - not supported on
    all backends; currently only on postscript output.
 
 
Hope this helps,
JDH