ar_track_alvar not detecting anything ROS Melodic, no kinect, single tag.
I am using artrackalvar package to track single marker without kinect. But empty list is published on /arposemarker no matter how much I increase maxtrackerror.
Steps I followed:
- roslaunch usbcam usbcam-test.launch
- rosrun tf2ros statictransformpublisher 0 0 0 0 0 0 1 /map /usbcam
Final launch file.
<launch> <arg name="marker_size" default="5.0" /> <arg name="max_new_marker_error" default="0.05" /> <arg name="max_track_error" default="0.05" /> <arg name="cam_image_topic" default="/usb_cam/image_raw" /> <arg name="cam_info_topic" default="/usb_cam/camera_info" /> <arg name="output_frame" default="/map" /> <node name="ar_track_alvar" pkg="ar_track_alvar" type="individualMarkersNoKinect" respawn="false" output="screen"> <param name="marker_size" type="double" value="$(arg marker_size)" /> <param name="max_new_marker_error" type="double" value="$(arg max_new_marker_error)" /> <param name="max_track_error" type="double" value="$(arg max_track_error)" /> <param name="output_frame" type="string" value="$(arg output_frame)" /> <remap from="camera_image" to="$(arg cam_image_topic)" /> <remap from="camera_info" to="$(arg cam_info_topic)" /> </node> </launch>
Any ideas? Thanks!
Asked by ToyasDhake on 2020-08-24 17:49:35 UTC
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