44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
#!/usr/bin/env python
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# pylint: disable=W0212
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import leather
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from agate import utils
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def bar_chart(self, label=0, value=1, path=None, width=None, height=None):
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"""
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Render a lattice/grid of bar charts using :class:`leather.Lattice`.
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:param label:
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The name or index of a column to plot as the labels of the chart.
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Defaults to the first column in the table.
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:param value:
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The name or index of a column to plot as the values of the chart.
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Defaults to the second column in the table.
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:param path:
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If specified, the resulting SVG will be saved to this location. If
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:code:`None` and running in IPython, then the SVG will be rendered
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inline. Otherwise, the SVG data will be returned as a string.
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:param width:
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The width of the output SVG.
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:param height:
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The height of the output SVG.
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"""
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if type(label) is int:
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label_name = self.column_names[label]
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else:
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label_name = label
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if type(value) is int:
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value_name = self.column_names[value]
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else:
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value_name = value
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chart = leather.Lattice(shape=leather.Bars())
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chart.add_x_axis(name=value_name)
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chart.add_y_axis(name=label_name)
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chart.add_many(self.values(), x=value, y=label, titles=self.keys())
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return chart.to_svg(path=path, width=width, height=height)
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