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HdmapSDK

该SDK将fabupilot中的hdmap_lib接口打包为了python库,以提供给各独立的云端服务使用。SDK提供本地模式和远端模式两种调用方式,调用方法如下所示,可根据实际情况选择。

基本方法

from  pyhdmap.api.hdmap  import  *

if  __name__  ==  "__main__":

pyhdmap  =  PyHDMap()

PyHDMap类为核心类,可以设置模式,并获取对应的manager对象

远端模式

pyhdmap.set_mode(Mode.REMOTE)
manager  =  pyhdmap.get_manager()

Mode.REMOTE将模式设置为远端模式,可以通过访问一个云端服务来获取数据和调用接口。

manager.set_config("192.168.3.53", "50031", "port_yongzhou")

set_config函数可以在远端模式下指定访问的服务的ip、端口,以及想要使用的场景名(包括port_meishan、port_yongzhou、city)

本地模式

pyhdmap.set_mode(Mode.LOCAL)
manager  =  pyhdmap.get_manager()

Mode.LOCAL将模式设置为本地模式,可以加载本地地图文件获取数据

manager.set_bin_path_and_scene(bin_path, scene)

set_bin_path_and_scene函数可以在本地模式下设置读取的文件路径和场景 注意:场景和地图文件需要匹配,不然会出现加载错误的情况

通用接口

LoadMap()

需要在set_config函数(远端模式)或set_bin_path_and_scene函数(本地模式)调用后再调用 可以按设置好的配置加载地图数据,返回值为True或False

ReleaseMap()

在服务停止时调用,可以释放掉远端地图服务中的缓存,节约资源

Reload(vessels)

船头船尾业务接口,输入为船的数据结构类型Vessel 定义如下:

from  pyhdmap.utils.vessel  import  *
class  Vessel:

def  set_head_x(self, head_x):
    self._head_x  =  head_x   ## utm坐标值

def  set_head_x(self, head_y):
    self._head_y  =  head_y    ## utm坐标值

def  set_rear_x(self, rear_x):
    self._rear_x  =  rear_x   ## utm坐标值

def  set_rear_y(self, rear_y):
    self._rear_y  =  rear_y   ## utm坐标值

def  set_head_x(self, head_bridge):
    self._head_bridge  =  head_bridge  ## 上引桥号 如“bridge_11”

def  set_leave_bridge(self, leave_bridge):
    self._leave_bridge  =  leave_bridge   ## 下引桥号 如“bridge_10”

def  set_east_area_direction(self, east_area_direction):
    self._east_area_direction  =  east_area_direction   ##后大梁模式 (1,2,3,4)

def  set_east_working_area_direction(self, east_working_area_direction):
    self._east_working_area_direction  =  east_working_area_direction     ##后大梁模式 (1,2,3,4)

def  set_west_working_area_direction(self, west_working_area_direction):
    self._west_working_area_direction  =  west_working_area_direction     ##后大梁模式 (1,2,3,4)

def  set_west_area_direction(self, west_area_direction):
    self._west_area_direction  =  west_area_direction     ##后大梁模式 (1,2,3,4)

根据数据源的信息构造好vessels后,调用reload接口进行船头船尾设置,返回值为true或false

GetMap()

获取全部地图数据,返回为MapInfo类 MapInfo中包含每种地图元素的list,有以下类型: mapinfo.lines() LineStringData类,线 mapinfo.lanes() LaneInfo类, 车道 mapinfo.roads() RoadInfo类,道路 mapinfo.junctions() JunctionInfo类, 路口 mapinfo.objects() ObjectInfo类,面状对象 mapinfo.pois() PoiInfo类,point of interest mapinfo.parking_spaces() ParkingSpaceInfo类,停车位 mapinfo.pull_over_regions() PullOverRegionInfo类, 靠边停车区域 mapinfo.stop_lines() StopLineInfo类,停止线 mapinfo.signals() SignalInfo类,红绿灯 mapinfo.crosswalks() CrosswalkInfo类,人行横道

GetXXById(id)

通过id获取对应元素

GetXXXs(point, radius)

在给定坐标point处,以radius为半径,搜索元素 仅支持有包络的元素,包括lane、road、junction、object、parking_space、crosswalk 只要元素的polygon与搜索范围(以point为圆心,以radius为半径的圆)有交集即可被搜索到 返回值为对应元素的list

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