{"action":"opened","issue":{"url":"https://api.github.com/repos/DroidAITech/ROS-Academy-for-Beginners/issues/5","repository_url":"https://api.github.com/repos/DroidAITech/ROS-Academy-for-Beginners","labels_url":"https://api.github.com/repos/DroidAITech/ROS-Academy-for-Beginners/issues/5/labels{/name}","comments_url":"https://api.github.com/repos/DroidAITech/ROS-Academy-for-Beginners/issues/5/comments","events_url":"https://api.github.com/repos/DroidAITech/ROS-Academy-for-Beginners/issues/5/events","html_url":"https://github.com/DroidAITech/ROS-Academy-for-Beginners/issues/5","id":323956022,"number":5,"title":"老师好，我把laserscan添加到rviz中，并且将topic设定为/scan但是得不到雷达数据的图像","user":{"login":"JinTongxing","id":30400555,"avatar_url":"https://avatars2.githubusercontent.com/u/30400555?v=4","gravatar_id":"","url":"https://api.github.com/users/JinTongxing","html_url":"https://github.com/JinTongxing","followers_url":"https://api.github.com/users/JinTongxing/followers","following_url":"https://api.github.com/users/JinTongxing/following{/other_user}","gists_url":"https://api.github.com/users/JinTongxing/gists{/gist_id}","starred_url":"https://api.github.com/users/JinTongxing/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/JinTongxing/subscriptions","organizations_url":"https://api.github.com/users/JinTongxing/orgs","repos_url":"https://api.github.com/users/JinTongxing/repos","events_url":"https://api.github.com/users/JinTongxing/events{/privacy}","received_events_url":"https://api.github.com/users/JinTongxing/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-05-17T10:05:55Z","updated_at":"2018-05-17T10:05:55Z","closed_at":null,"author_association":"NONE","body":"gazebo已经更新到最新版本\r\n使用rostopic info /scan看到该节点确实被rviz订阅了\r\n把camera, pointcloud添加到rviz中显示是正常的\r\n刚刚用rostopic echo看了看，ranges全部是-inf, intensities全部是1.0，应该是数据有问题？该怎么办呢？\r\n谢谢"}}
{"actor":{"display_login":"JinTongxing"}}