barplot.py 文件源码

def set_defaults(self):
        """
        Set the plot defaults.
        """
        # choose the "Paired" palette if the number of grouping factor
        # levels is even and below 13, or the "Set3" palette otherwise:
        if len(self._levels[1 if len(self._groupby) == 2 else 0]) in (2, 4, 6, 8, 12):
            self.options["color_palette"] = "Paired"
        else:
            # use 'Set3', a quantitative palette, if there are two grouping
            # factors, or a palette diverging from Red to Purple otherwise:
            if len(self._groupby) == 2:
                self.options["color_palette"] = "Set3"
            else:
                self.options["color_palette"] = "RdPu"
        super(Visualizer, self).set_defaults()

        if self.percentage:
            self.options["label_x_axis"] = "Percentage"
        else:
            self.options["label_x_axis"] = "Frequency"

        session = options.cfg.main_window.Session

        if len(self._groupby) == 2:
            self.options["label_y_axis"] = session.translate_header(self._groupby[0])
            self.options["label_legend"] = session.translate_header(self._groupby[1])
        else:
            self.options["label_legend"] = session.translate_header(self._groupby[0])
            if self.percentage:
                self.options["label_y_axis"] = ""
            else:
                self.options["label_y_axis"] = session.translate_header(self._groupby[0])