Python之pyecharts：利用pyecharts绘制地图十多个地区流动轨迹动态图

小灰灰 2022-12-21 15:51 438阅读 0赞

**目录**

利用pyecharts绘制地图十多个地区流动轨迹动态图

Geo(GeoChartBase)函数

--------------------

**相关文章**  
[Python之pyecharts：利用pyecharts绘制地图十多个地区流动轨迹动态图][Python_pyecharts_pyecharts]  
[Python之pyecharts：利用pyecharts绘制地图十多个地区流动轨迹动态图实现][Python_pyecharts_pyecharts 1]

## 利用pyecharts绘制地图十多个地区流动轨迹动态图 ##

![20201116225451740.gif][]

## Geo(GeoChartBase)函数 ##

Geo(init\_opts=opts.InitOpts())

class Geo Found at: pyecharts.charts.basic_charts.geo
    
    class Geo(GeoChartBase):
        """
        <<< geo coordinate system >>>
        
        support scatter plot and line
        """
        def __init__(
            self, 
            init_opts:types.Init=opts.InitOpts(), 
            is_ignore_nonexistent_coord:bool=False):
            super().__init__(init_opts=init_opts)
            self._coordinate_system = "geo"
            self._is_ignore_nonexistent_coord = 
             is_ignore_nonexistent_coord
        
        def _feed_data(self, data_pair:types.Sequence, 
         type_:str)->types.Sequence:
            result = []
            for n, v in data_pair:
                try:
                    if type_ == ChartType.LINES:
                        f, t = self.get_coordinate(n), self.
                         get_coordinate(v)
                        result.append({"name":"{}->{}".format(n, v), 
                         "coords":[f, t]})
                    else:
                        lng, lat = self.get_coordinate(n)
                        result.append({"name":n, "value":[lng, lat, 
                         v]})
                except TypeError as err:
                    if self._is_ignore_nonexistent_coord is not 
                     True:
                        raise NonexistentCoordinatesException
                         (err, (n, v))
            
            return result
        
        def add_schema(
            self, 
            maptype:str="china", 
            is_roam:bool=True, 
            zoom:types.Optional[types.Numeric]=None, 
            center:types.Optional[types.Sequence]=None, 
            aspect_scale:types.Numeric=0.75, 
            bounding_coords:types.Optional[types.Sequence
             [types.Numeric]]=None, 
            min_scale_limit:types.Optional[types.Numeric]
             =None, 
            max_scale_limit:types.Optional[types.Numeric]
             =None, 
            name_property:str="name", 
            selected_mode:types.Union[boolstr]=False, 
            layout_center:types.Optional[types.Sequence
             [str]]=None, 
            layout_size:types.Union[strtypes.Numeric]=None, 
            label_opts:types.Label=None, 
            itemstyle_opts:types.ItemStyle=None, 
            emphasis_itemstyle_opts:types.ItemStyle=None, 
            emphasis_label_opts:types.Label=None):
            self.js_dependencies.add(maptype)
            if center:
                assert len(center) == 2
            scale_limit = {
                "min":min_scale_limit, 
                "max":max_scale_limit}
            if min_scale_limit is None and max_scale_limit is 
             None:
                scale_limit = None
            self.options.update(
                geo={
                    "map":maptype, 
                    "zoom":zoom, 
                    "center":center, 
                    "roam":is_roam, 
                    "aspectScale":aspect_scale, 
                    "boundingCoords":bounding_coords, 
                    "scaleLimit":scale_limit, 
                    "nameProperty":name_property, 
                    "selectedMode":selected_mode, 
                    "layoutCenter":layout_center, 
                    "layoutSize":layout_size, 
                    "label":label_opts, 
                    "itemStyle":itemstyle_opts, 
                    "emphasis":{
                        "itemStyle":emphasis_itemstyle_opts, 
                        "label":emphasis_label_opts}})
            return self

[Python_pyecharts_pyecharts]: https://yunyaniu.blog.csdn.net/article/details/109732212
[Python_pyecharts_pyecharts 1]: https://yunyaniu.blog.csdn.net/article/details/109732184
[20201116225451740.gif]: /images/20221120/d68298c3101548b9afbd77ffd8b280cb.png