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pyecharts从入门到精通

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文章目录 参考安装与查看pyecharts地图实现-BMap案例演示案例演示-杭州热门旅行线路图拓展-pyecharts中BMap源码

参考

官方文档:https://pyecharts.org/#/zh-cn/quickstart Bmap - Hiking_trail_in_hangzhou

安装与查看pyecharts

安装pyecharts

pip install pyecharts==2.0.3 # Successfully installed prettytable-3.7.0 pyecharts-2.0.3 simplejson-3.19.1

查看版本

import pyecharts print(pyecharts.__version__) # 2.0.3 地图实现-BMap

pyecharts的地图实现包括:

Geo:地理坐标系 Map:地图 BMap:百度地图

本部分完成BMap坐标系实现。

案例演示 from pyecharts import options as opts from pyecharts.charts import BMap from pyecharts.faker import Faker c = ( BMap() .add_schema(baidu_ak="FAKE_AK", center=[120.13066322374, 30.240018034923]) .add( "bmap", [list(z) for z in zip(Faker.provinces, Faker.values())], label_opts=opts.LabelOpts(formatter="{b}"), ) .set_global_opts(title_opts=opts.TitleOpts(title="BMap-基本示例")) .render("bmap_base.html") )

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案例演示-杭州热门旅行线路图 import asyncio from aiohttp import TCPConnector, ClientSession from pyecharts.charts import BMap from pyecharts import options as opts from pyecharts.globals import BMapType, ChartType import nest_asyncio nest_asyncio.apply() async def get_json_data(url: str) -> dict: async with ClientSession(connector=TCPConnector(ssl=False)) as session: async with session.get(url=url) as response: return await response.json() # 获取官方的数据 data = asyncio.run( get_json_data( url="https://echarts.apache.org/examples/data/asset/data/hangzhou-tracks.json" ) ) map_data = [[y["coord"] for y in x] for x in data] ( BMap(init_opts=opts.InitOpts(width="1200px", height="800px")) .add_schema( baidu_ak="FAKE_AK",# center=[120.13066322374, 30.240018034923], zoom=14, is_roam=True, map_style={ "styleJson": [ { "featureType": "water", "elementType": "all", "stylers": {"color": "#d1d1d1"}, }, { "featureType": "land", "elementType": "all", "stylers": {"color": "#f3f3f3"}, }, { "featureType": "railway", "elementType": "all", "stylers": {"visibility": "off"}, }, { "featureType": "highway", "elementType": "all", "stylers": {"color": "#fdfdfd"}, }, { "featureType": "highway", "elementType": "labels", "stylers": {"visibility": "off"}, }, { "featureType": "arterial", "elementType": "geometry", "stylers": {"color": "#fefefe"}, }, { "featureType": "arterial", "elementType": "geometry.fill", "stylers": {"color": "#fefefe"}, }, { "featureType": "poi", "elementType": "all", "stylers": {"visibility": "off"}, }, { "featureType": "green", "elementType": "all", "stylers": {"visibility": "off"}, }, { "featureType": "subway", "elementType": "all", "stylers": {"visibility": "off"}, }, { "featureType": "manmade", "elementType": "all", "stylers": {"color": "#d1d1d1"}, }, { "featureType": "local", "elementType": "all", "stylers": {"color": "#d1d1d1"}, }, { "featureType": "arterial", "elementType": "labels", "stylers": {"visibility": "off"}, }, { "featureType": "boundary", "elementType": "all", "stylers": {"color": "#fefefe"}, }, { "featureType": "building", "elementType": "all", "stylers": {"color": "#d1d1d1"}, }, { "featureType": "label", "elementType": "labels.text.fill", "stylers": {"color": "#999999"}, }, ] }, ) .add( series_name="", type_=ChartType.LINES, data_pair=map_data, is_polyline=True, is_large=True, linestyle_opts=opts.LineStyleOpts(color="purple", opacity=0.6, width=1), effect_opts=opts.EffectOpts(trail_length=0.5), ) .add_control_panel( copyright_control_opts=opts.BMapCopyrightTypeOpts(position=3), maptype_control_opts=opts.BMapTypeControlOpts( type_=BMapType.MAPTYPE_CONTROL_DROPDOWN ), scale_control_opts=opts.BMapScaleControlOpts(), overview_map_opts=opts.BMapOverviewMapControlOpts(is_open=True), navigation_control_opts=opts.BMapNavigationControlOpts(), geo_location_control_opts=opts.BMapGeoLocationControlOpts(), ) .render("hiking_trail_in_hangzhou.html") )

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拓展-pyecharts中BMap源码

百度地图需要申请开发者 AK,官网申请。

class pyecharts.charts.BMap

class BMap( # 初始化配置项,参考 `global_options.InitOpts` init_opts: opts.InitOpts = opts.InitOpts() # 是否忽略不存在的坐标,默认值为 False,即不忽略 is_ignore_nonexistent_coord: bool = False )

func pyecharts.charts.BMap.add_schema

def add_schema( # 百度地图开发应用 appkey,请使用到百度地图的开发者自行到百度地图开发者中心 # 注册百度 ak。 baidu_ak: str, # 当前视角的中心点,用经纬度表示 center: Optional[Sequence] = None, # 当前视角的缩放比例。 zoom: Optional[Numeric] = None, # 是否开启鼠标缩放和平移漫游。 is_roam: bool = True, # 地图样式配置项 map_style: Optional[dict] = None, )

func pyecharts.charts.BMap.add

def add( # 系列名称,用于 tooltip 的显示,legend 的图例筛选。 series_name: str, # 数据项 (坐标点名称,坐标点值) data_pair: Sequence, # Geo 图类型,有 scatter, effectScatter, heatmap, lines 4 种,建议使用 # from pyecharts.globals import GeoType # GeoType.GeoType.EFFECT_SCATTER,GeoType.HEATMAP,GeoType.LINES type_: str = "scatter", # 是否选中图例 is_selected: bool = True, # 标记图形形状 symbol: Optional[str] = None, # 标记的大小 symbol_size: Numeric = 12, # 系列 label 颜色 color: Optional[str] = None, # 是否是多段线,在画 lines 图情况下 is_polyline: bool = False, # 是否启用大规模线图的优化,在数据图形特别多的时候(>=5k)可以开启 is_large: bool = False, # 开启绘制优化的阈值。 large_threshold: Numeric = 2000, # 标签配置项,参考 `series_options.LabelOpts` label_opts: Union[opts.LabelOpts, dict] = opts.LabelOpts(), # 涟漪特效配置项,参考 `series_options.EffectOpts` effect_opts: Union[opts.EffectOpts, dict] = opts.EffectOpts(), # 线样式配置项,参考 `series_options.LineStyleOpts` linestyle_opts: Union[opts.LineStyleOpts, dict] = opts.LineStyleOpts(), # 提示框组件配置项,参考 `series_options.TooltipOpts` tooltip_opts: Union[opts.TooltipOpts, dict, None] = None, # 图元样式配置项,参考 `series_options.ItemStyleOpts` itemstyle_opts: Union[opts.ItemStyleOpts, dict, None] = None, )

func pyecharts.charts.BMap.add_control_panel

def add_control_panel( # 地图的平移缩放控件 navigation_control_opts: Union[opts.BMapNavigationControlOpts, dict, None] = None, # 缩略地图控件 overview_map_opts: Union[opts.BMapOverviewMapControlOpts, dict, None] = None, # 比例尺控件 scale_control_opts: Union[opts.BMapScaleControlOpts, dict, None] = None, # 切换地图类型的控件 maptype_control_opts: Union[opts.BMapTypeControlOpts, dict, None] = None, # 版权控件,您可以在地图上添加自己的版权信息。 # 每一个版权信息需要包含如下内容:版权的唯一标识、版权内容和其适用的区域范围。 copyright_control_opts: Union[opts.BMapCopyrightTypeOpts, dict, None] = None, # 地图定位的控件,使用 HTML5 浏览器定位功能 geo_location_control_opts: Union[opts.BMapGeoLocationControlOpts, dict, None] = None, )

class pyecharts.options.BMapNavigationControlOpts BMapNavigationControlOpts:地图的平移缩放控件

class BMapNavigationControlOpts( # 控件的停靠位置 # ANCHOR_TOP_LEFT,控件将定位到地图的左上角,值为 0 # ANCHOR_TOP_RIGHT,控件将定位到地图的右上角,值为 1 # ANCHOR_BOTTOM_LEFT,控件将定位到地图的左下角,值为 2 # ANCHOR_BOTTOM_RIGHT,控件将定位到地图的右下角,值为 3 position: Numeric = BMapType.ANCHOR_TOP_LEFT, # 控件的水平偏移值 offset_width: Numeric = 10, # 控件的竖直偏移值 offset_height: Numeric = 10, # 平移缩放控件的类型 # NAVIGATION_CONTROL_LARGE,标准的平移缩放控件(包括平移、缩放按钮和滑块,值为 0 # NAVIGATION_CONTROL_SMALL,仅包含平移和缩放按钮,值为 1 # NAVIGATION_CONTROL_PAN,仅包含平移按钮,值为 2 # NAVIGATION_CONTROL_ZOOM,仅包含缩放按钮,值为 3 type_: Numeric = BMapType.NAVIGATION_CONTROL_LARGE, # 是否显示级别提示信息 is_show_zoom_info: bool = False, # 控件是否集成定位功能 is_enable_geo_location: bool = False, )

class pyecharts.options.BMapOverviewMapControlOpts BMapOverviewMapControlOpts:缩略地图控件

class BMapOverviewMapControlOpts( # 控件的停靠位置 # ANCHOR_TOP_LEFT,控件将定位到地图的左上角,值为 0 # ANCHOR_TOP_RIGHT,控件将定位到地图的右上角,值为 1 # ANCHOR_BOTTOM_LEFT,控件将定位到地图的左下角,值为 2 # ANCHOR_BOTTOM_RIGHT,控件将定位到地图的右下角,值为 3 position: Numeric = BMapType.ANCHOR_BOTTOM_RIGHT, # 控件的水平偏移值 offset_width: Numeric = 10, # 控件的竖直偏移值 offset_height: Numeric = 50, # 缩略地图添加到地图后的开合状态,默认为 False 关闭 is_open: bool = False, )

class pyecharts.options.BMapScaleControlOpts BMapScaleControlOpts:比例尺控件

class BMapScaleControlOpts( # 控件的停靠位置 # ANCHOR_TOP_LEFT,控件将定位到地图的左上角,值为 0 # ANCHOR_TOP_RIGHT,控件将定位到地图的右上角,值为 1 # ANCHOR_BOTTOM_LEFT,控件将定位到地图的左下角,值为 2 # ANCHOR_BOTTOM_RIGHT,控件将定位到地图的右下角,值为 3 position: Numeric = BMapType.ANCHOR_BOTTOM_RIGHT, # 控件的水平偏移值 offset_width: Numeric = 10, # 控件的竖直偏移值 offset_height: Numeric = 50, )

BMapTypeControl:切换地图类型的控件 class pyecharts.options.BMapTypeControl

class BMapTypeControl( # 控件的停靠位置 # ANCHOR_TOP_LEFT,控件将定位到地图的左上角,值为 0 # ANCHOR_TOP_RIGHT,控件将定位到地图的右上角,值为 1 # ANCHOR_BOTTOM_LEFT,控件将定位到地图的左下角,值为 2 # ANCHOR_BOTTOM_RIGHT,控件将定位到地图的右下角,值为 3 position: Numeric = BMapType.ANCHOR_TOP_RIGHT, # 地图类型属性 # MAPTYPE_CONTROL_HORIZONTAL,按钮水平方式展示,默认采用此类型展示。值为 0 # MAPTYPE_CONTROL_DROPDOWN,按钮呈下拉列表方式展示,值为 1 # MAPTYPE_CONTROL_MAP,以图片方式展示类型控件,设置该类型后无法指定 maptypes 属性,值为 2 type_: Numeric = BMapType.MAPTYPE_CONTROL_HORIZONTAL, )

BMapCopyrightType:版权控件 class pyecharts.options.BMapCopyrightType

class BMapCopyrightType( # 控件的停靠位置 # ANCHOR_TOP_LEFT,控件将定位到地图的左上角,值为 0 # ANCHOR_TOP_RIGHT,控件将定位到地图的右上角,值为 1 # ANCHOR_BOTTOM_LEFT,控件将定位到地图的左下角,值为 2 # ANCHOR_BOTTOM_RIGHT,控件将定位到地图的右下角,值为 3 position: Numeric = BMapType.ANCHOR_BOTTOM_RIGHT, # 控件的水平偏移值 offset_width: Numeric = 10, # 控件的竖直偏移值 offset_height: Numeric = 50, # Copyright 的文本内容, 可以放入 HTML 标签 copyright_: str = "", )

BMapGeoLocationControlOpts:地图定位的控件 class pyecharts.options.BMapGeoLocationControlOpts

class BMapGeoLocationControlOpts( # 控件的停靠位置 # ANCHOR_TOP_LEFT,控件将定位到地图的左上角,值为 0 # ANCHOR_TOP_RIGHT,控件将定位到地图的右上角,值为 1 # ANCHOR_BOTTOM_LEFT,控件将定位到地图的左下角,值为 2 # ANCHOR_BOTTOM_RIGHT,控件将定位到地图的右下角,值为 3 position: Numeric = BMapType.ANCHOR_BOTTOM_RIGHT, # 控件的水平偏移值 offset_width: Numeric = 10, # 控件的竖直偏移值 offset_height: Numeric = 50, # 是否显示定位信息面板。默认显示定位信息面板 is_show_address_bar: bool = True, # 添加控件时是否进行定位。默认添加控件时不进行定位 is_enable_auto_location: bool = False, )

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