geom_rect.py 文件源码

def draw_group(data, panel_params, coord, ax, **params):
        data = coord.transform(data, panel_params, munch=True)
        data['size'] *= SIZE_FACTOR
        verts = [None] * len(data)
        limits = zip(data['xmin'], data['xmax'],
                     data['ymin'], data['ymax'])

        for i, (l, r, b, t) in enumerate(limits):
            verts[i] = [(l, b), (l, t), (r, t), (r, b)]

        fill = to_rgba(data['fill'], data['alpha'])
        color = data['color']

        # prevent unnecessary borders
        if all(color.isnull()):
            color = 'none'

        col = PolyCollection(
            verts,
            facecolors=fill,
            edgecolors=color,
            linestyles=data['linetype'],
            linewidths=data['size'],
            transOffset=ax.transData,
            zorder=params['zorder'])
        ax.add_collection(col)