可视化 | Pyecharts象形柱图--图例自定义

from pyecharts import options as opts
from pyecharts.charts import PictorialBar
from pyecharts.globals import SymbolType

def add_yaxis(
    # 系列名称
    series_name: str,

    # 系列数据
    y_axis: Sequence,

    # 图形类型
    symbol: Optional[str] = None,

    # 图形的大小
    symbol_size: Union[Numeric, Sequence, None] = None,

    # 图形的定位位置
    symbol_pos: Optional[str] = None,

    # 图形相对于原本位置的偏移
    symbol_offset: Optional[Sequence] = None,

    # 图形的旋转角度
    symbol_rotate: Optional[Numeric] = None,

    # 是否剪裁图形
    is_symbol_clip: bool = False,

    # 系列 label 颜色
    color: Optional[str] = None,

    # 同一系列的柱间距离，默认为类目间距的 10%，可设固定值
    category_gap: Union[Numeric, str] = "10%",

    # 标签配置项，参考 `series_options.LabelOpts`
    label_opts: Union[opts.LabelOpts, dict] = opts.LabelOpts(),
)

province = ["北京", "天津", "湖北", "山西", "上海", "内蒙古", "云南", "黑龙江", "广东", "福建"]
values = [2189, 1386, 5775, 3491, 2487, 2404, 4720, 3185, 12601, 4154]
c = (
    PictorialBar()
    .add_xaxis(province)
    .add_yaxis(
        "",
        values,
        label_opts=opts.LabelOpts(is_show=False),
        symbol_size=18,
        symbol_repeat="fixed",
        symbol_offset=[0, 0],
        is_symbol_clip=True,
        symbol=SymbolType.ARROW,
    )
    .reversal_axis()
    .set_global_opts(
        title_opts=opts.TitleOpts(title="省份人口数量（万人）"),
        xaxis_opts=opts.AxisOpts(is_show=True),
        yaxis_opts=opts.AxisOpts(
            axistick_opts=opts.AxisTickOpts(is_show=False),
            axisline_opts=opts.AxisLineOpts(
                linestyle_opts=opts.LineStyleOpts(opacity=0)
            ),
        ),
    )
)
c.render_notebook()

c = (
    PictorialBar()
    .add_xaxis(list(dic.keys()))
    .add_yaxis(
        "2020",
        [
            {"value": 18, "symbol": dic['飞机']},
            {"value": 40, "symbol": dic['火车']},
            {"value": 78, "symbol": dic['汽车']},
            {"value": 66, "symbol": dic['轮船']},
        ],
        label_opts=opts.LabelOpts(is_show=False),
        symbol_size=22,
        symbol_repeat="fixed",
        symbol_offset=[0, 5],
        is_symbol_clip=True,
    )
    .add_yaxis(
        "2021",
        [
            {"value": 54, "symbol": dic['飞机']},
            {"value": 68, "symbol": dic['火车']},
            {"value": 105, "symbol": dic['汽车']},
            {"value": 73, "symbol": dic['轮船']},
        ],
        label_opts=opts.LabelOpts(is_show=False),
        symbol_size=22,
        symbol_repeat="fixed",
        symbol_offset=[0, -25],
        is_symbol_clip=True,
    )
    .reversal_axis()
    .set_global_opts(
        title_opts=opts.TitleOpts(title="城市交通工具"),
        xaxis_opts=opts.AxisOpts(is_show=False),
        yaxis_opts=opts.AxisOpts(
            axistick_opts=opts.AxisTickOpts(is_show=False),
            axisline_opts=opts.AxisLineOpts(
                linestyle_opts=opts.LineStyleOpts(opacity=0)
            ),
        ),
    )
)
c.render_notebook()