Hi Derek,
[Copying to matplotlib-users since an archive of this conversation
could be helpful to others in the future.]
On 21.8.2006, at 13.34, Derek Hohls wrote:
> Re the other suggestions you have made. While I appreciate the
> "forming hypothesis" approach is good when venturing into the
> unknown, it does seem a little strange when dealing with a known
> item e.g. software.
But it *is* unknown to the extent that the documentation is
lacking! :-) Also, I think that the plot-customization possibilities
of matplotlib are pretty nicely discoverable (once you know about
getp/setp), and even if the pdf manual listed everything, it would be
easier to use the introspective facilities than look things up in the
manual.
> In your example below, you go from line [21]
> getp(recs[0])
> to line[22]
> setp(recs[0], 'facecolor')
>
> Now, how did you know that there was 'facecolor' property that
> could be set? How would one get a list of all these properties?
The list you want is precisely the output of the getp command. I
elided the output since it is quite long, but I guess I didn't make
it sufficiently clear.
> The other issue is the colour:
> colour=['red', 'green', 'blue'])
> implies I would write:
> colour=['125','125','250']
In hindsight, it was a bad idea on my part to make a barchart of
three bars and color them precisely red, green, and blue... let's try
again:
In [11]:bar(arange(10), cos(arange(10)), color=
['blanchedalmond', 'darkorchid', 'gainsboro', 'honeydew', 'hotpink',
'khaki', 'lavenderblush', 'mintcream', 'peachpuff', 'lemonchiffon']);
So you can give a list of colors to make the bars different colors.
(The color names are from matplotlib.colors.cnames.) If you want to
make everything the same color, give just one color, not a list:
In [12]:figure(); bar([0,1], [3,1], color='lightcoral');
The syntax for shades of gray happens to be a string representing a
number from 0 to 1:
In [13]:figure(); bar([0,1], [3,1], color='0.9');
If you want every bar to have the color with components 125, 125, 250
on a scale of 0..255, use hex notation:
In [14]:figure(); bar([0,1], [3,1], color='#7d7dfa');
--
Jouni
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