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如何有效地在ROS中加载大量参数?

[英]How to efficiently load large amount of parameters in ROS?

与以下方法相比,在ROS中加载许多参数的更好方法是:

double default_maxvel_xy = 3;
double default_maxvel_z = 1.5;
double default_maxvel_c = 1;
double default_maxacc_xy = 2;
double default_maxacc_z = 1;
double default_maxacc_c = 1;
double default_maxjerk_xy = 1;
double default_maxjerk_z = 1;
double default_maxjerk_c = 1;
n.param<double>("default_maxvel_xy", default_maxvel_xy, 3);
n.param<double>("default_maxvel_z", default_maxvel_z, 1.5);
n.param<double>("default_maxvel_c", default_maxvel_c, 1);
n.param<double>("default_maxacc_xy", default_maxacc_xy, 2);
n.param<double>("default_maxacc_z", default_maxacc_z, 1);
n.param<double>("default_maxacc_c", default_maxacc_c, 1);
n.param<double>("default_maxjerk_xy", default_maxjerk_xy, 1);
n.param<double>("default_maxjerk_z", default_maxjerk_z, 1);
n.param<double>("default_maxjerk_c", default_maxjerk_c, 1);

m_waypoint.max_dynamics.vel_max.linear.x = default_maxvel_xy;
m_waypoint.max_dynamics.vel_max.linear.y = default_maxvel_xy;
m_waypoint.max_dynamics.vel_max.linear.z = default_maxvel_z;
m_waypoint.max_dynamics.vel_max.angular.x = default_maxvel_c;
m_waypoint.max_dynamics.vel_max.angular.y = default_maxvel_c;
m_waypoint.max_dynamics.vel_max.angular.z = default_maxvel_c;

m_waypoint.max_dynamics.acc_max.linear.x = default_maxacc_xy;
m_waypoint.max_dynamics.acc_max.linear.y = default_maxacc_xy;
m_waypoint.max_dynamics.acc_max.linear.z = default_maxacc_z;
m_waypoint.max_dynamics.acc_max.angular.x = default_maxacc_c;
m_waypoint.max_dynamics.acc_max.angular.y = default_maxacc_c;
m_waypoint.max_dynamics.acc_max.angular.z = default_maxacc_c;

m_waypoint.max_dynamics.jerk_max.linear.x = default_maxjerk_xy;
m_waypoint.max_dynamics.jerk_max.linear.y = default_maxjerk_xy;
m_waypoint.max_dynamics.jerk_max.linear.z = default_maxjerk_z;
m_waypoint.max_dynamics.jerk_max.angular.x = default_maxjerk_c;
m_waypoint.max_dynamics.jerk_max.angular.y = default_maxjerk_c;
m_waypoint.max_dynamics.jerk_max.angular.z = default_maxjerk_c;

那里的代码太多,容易出错。 我可以在Yaml中创建自定义类型并将其作为整体加载吗?

字典(在Python中含义)可以作为地图(例如map)加载。 列表(在Python中是含义)可以作为矢量加载,例如map。

例:

std::map<std::string, double> parameter_map;
ros::param::get("~my_parameter_map", parameter_map);

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