# ros::service::waitForService with the topic /map

Hi, I am trying to read map server with the command: ros::ServiceClient mapClient = nh.serviceClient<nav_msgs::getmap>("static_map"); and the topic /map is belong to another process and the topic that I want to read the map from is remap:

<arg name="map_file" default="$(find ses)/world/labs.yaml"/> <node name="map_server" pkg="map_server" type="map_server" args="$(arg map_file)">
<remap from="map" to="threat_map"/>