mirror of https://github.com/Kozea/pygal.git
Python to generate nice looking SVG graph
http://pygal.org/
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99 lines
1.8 KiB
99 lines
1.8 KiB
9 years ago
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Data
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====
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value_formatter
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---------------
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You can specifiy how the values are displayed on the tooltip using a lambda function.
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The code below shows the values to 2 decimal places.
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.. pygal-code::
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chart = pygal.Line()
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chart.add('line', [.070106781, 1.414213562, 3.141592654])
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chart.value_formatter = lambda x: "%.2f" % x
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x_value_formatter
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-----------------
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Same on x axis for xy like charts:
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.. pygal-code::
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chart = pygal.XY()
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chart.add('line', [(12, 31), (8, 28), (89, 12)])
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chart.x_value_formatter = lambda x: '%s%%' % x
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print_values
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------------
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When using pygal without javascript for printing for example you can chose to activate this option to print all values as text.
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.. pygal-code::
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chart = pygal.Bar(js=[], print_values=True)
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chart.add('line', [0, 12, 31, 8, 28, 0])
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print_zeroes
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------------
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zero values are hidden by default but you can use this option to print them anyway.
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.. pygal-code::
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chart = pygal.Bar(js=[], print_values=True, print_zeroes=True)
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chart.add('line', [0, 12, 31, 8, 28, 0])
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value_font_size
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---------------
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.. pygal-code::
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chart = pygal.Bar(js=[], print_values=True, value_font_size=24)
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chart.add('line', [0, 12, 31, 8, 28, 0])
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human_readable
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--------------
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Display values in human readable form:
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.. code-block:: c
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1 230 000 -> 1.23M
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.00 098 7 -> 987ยต
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.. pygal-code::
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chart = pygal.Line(human_readable=True)
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chart.add('line', [0, .0002, .0005, .00035])
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no_data_text
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------------
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Text to display instead of the graph when no data is supplied:
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.. pygal-code::
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chart = pygal.Line()
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chart.add('line', [])
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.. pygal-code::
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chart = pygal.Line(no_data_text='No result found')
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chart.add('line', [])
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no_data_font_size
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-----------------
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.. pygal-code::
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chart = pygal.Line(no_data_font_size=32)
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chart.add('line', [])
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