|
|
|
|
===============
|
|
|
|
|
Documentation
|
|
|
|
|
===============
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
First steps
|
|
|
|
|
===========
|
|
|
|
|
|
|
|
|
|
First you need to download the pygal package, see the `download page </download>`_.
|
|
|
|
|
|
|
|
|
|
When it's done, you are ready to make your first chart:
|
|
|
|
|
|
|
|
|
|
.. code-block:: python
|
|
|
|
|
|
|
|
|
|
import pygal # First import pygal
|
|
|
|
|
bar_chart = pygal.Bar() # Then create a bar graph object
|
|
|
|
|
bar_chart.add('Fibonacci', [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55]) # Add some values
|
|
|
|
|
bar_chart.render_to_file('bar_chart.svg') # Save the svg to a file
|
|
|
|
|
|
|
|
|
|
Now you have a svg file called `bar_chart.svg` in your current directory.
|
|
|
|
|
|
|
|
|
|
You can open it with various programs such as your web browser, inkscape or any svg compatible viewer.
|
|
|
|
|
|
|
|
|
|
The resulting chart will be tho following:
|
|
|
|
|
|
|
|
|
|
.. pygal-code::
|
|
|
|
|
|
|
|
|
|
bar_chart = pygal.Bar()
|
|
|
|
|
bar_chart.add('Fibonacci', [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55])
|
|
|
|
|
|
|
|
|
|
To make a multiple series graph just add another one:
|
|
|
|
|
|
|
|
|
|
.. pygal-code::
|
|
|
|
|
|
|
|
|
|
bar_chart = pygal.Bar()
|
|
|
|
|
bar_chart.add('Fibonacci', [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55])
|
|
|
|
|
bar_chart.add('Padovan', [1, 1, 1, 2, 2, 3, 4, 5, 7, 9, 12])
|
|
|
|
|
|
|
|
|
|
If you want to stack them, use StackedBar instead of Bar:
|
|
|
|
|
|
|
|
|
|
.. pygal-code::
|
|
|
|
|
|
|
|
|
|
bar_chart = pygal.StackedBar()
|
|
|
|
|
bar_chart.add('Fibonacci', [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55])
|
|
|
|
|
bar_chart.add('Padovan', [1, 1, 1, 2, 2, 3, 4, 5, 7, 9, 12])
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
You can also make it horizontal with HorizontalStackedBar:
|
|
|
|
|
|
|
|
|
|
.. pygal-code::
|
|
|
|
|
|
|
|
|
|
bar_chart = pygal.HorizontalStackedBar()
|
|
|
|
|
bar_chart.add('Fibonacci', [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55])
|
|
|
|
|
bar_chart.add('Padovan', [1, 1, 1, 2, 2, 3, 4, 5, 7, 9, 12])
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
And finally add a title and some labels:
|
|
|
|
|
|
|
|
|
|
.. pygal-code::
|
|
|
|
|
|
|
|
|
|
bar_chart = pygal.HorizontalStackedBar()
|
|
|
|
|
bar_chart.title = "Remarquable sequences"
|
|
|
|
|
bar_chart.x_labels = map(str, range(11))
|
|
|
|
|
bar_chart.add('Fibonacci', [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55])
|
|
|
|
|
bar_chart.add('Padovan', [1, 1, 1, 2, 2, 3, 4, 5, 7, 9, 12])
|
|
|
|
|
|
