{"action":"closed","issue":{"url":"https://api.github.com/repos/googlecartographer/cartographer_ros/issues/1024","repository_url":"https://api.github.com/repos/googlecartographer/cartographer_ros","labels_url":"https://api.github.com/repos/googlecartographer/cartographer_ros/issues/1024/labels{/name}","comments_url":"https://api.github.com/repos/googlecartographer/cartographer_ros/issues/1024/comments","events_url":"https://api.github.com/repos/googlecartographer/cartographer_ros/issues/1024/events","html_url":"https://github.com/googlecartographer/cartographer_ros/issues/1024","id":361593391,"node_id":"MDU6SXNzdWUzNjE1OTMzOTE=","number":1024,"title":"Error while using pure localization demo","user":{"login":"alfred31","id":39120511,"node_id":"MDQ6VXNlcjM5MTIwNTEx","avatar_url":"https://avatars3.githubusercontent.com/u/39120511?v=4","gravatar_id":"","url":"https://api.github.com/users/alfred31","html_url":"https://github.com/alfred31","followers_url":"https://api.github.com/users/alfred31/followers","following_url":"https://api.github.com/users/alfred31/following{/other_user}","gists_url":"https://api.github.com/users/alfred31/gists{/gist_id}","starred_url":"https://api.github.com/users/alfred31/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/alfred31/subscriptions","organizations_url":"https://api.github.com/users/alfred31/orgs","repos_url":"https://api.github.com/users/alfred31/repos","events_url":"https://api.github.com/users/alfred31/events{/privacy}","received_events_url":"https://api.github.com/users/alfred31/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":7,"created_at":"2018-09-19T06:14:55Z","updated_at":"2018-09-19T14:37:26Z","closed_at":"2018-09-19T14:37:26Z","author_association":"NONE","body":"Hello,\r\nI am trying to use pure localization demos, so I am simply following the steps shown in the cartographer, this are the steps I am following:\r\n1. I downloaded the bags from the website\r\n2. I run : roslaunch cartographer_ros offline_backpack_2d.launch bag_filenames:=${HOME}/Downloads/b2-2016-04-05-14-44-52.bag\r\nI can see that rviz opens and the submaps are being build , I can see that there is a problem though, since the submaps are added and then cleared from the map, which means that I only see 3 or 4 submaps at a time.\r\n3. I tried to run then : \r\nroslaunch cartographer_ros demo_backpack_2d_localization.launch \\ load_state_filename:=${HOME}/Downloads/b2-2016-04-05-14-44-52.bag.pbstream \\bag_filename:=${HOME}/Downloads/b2-2018-04-27-12-31-41.bag\r\n\r\nAnd I get this error:\r\n[FATAL] [1537337030.165972614]: F0919 08:03:50.000000  7704 proto_stream_deserializer.cc:69] Check failed: pose_graph_.pose_graph().trajectory_size() == all_trajectory_builder_options_.all_trajectory_builder_options() .options_with_sensor_ids_size() (0 vs. 1)\r\nI assume this is due to problem detected in point 2 above.\r\n¿How can I solve this issue? ¿What am I doing wrong?\r\nAny help would be appreciated.\r\nThanks.\r\nKind Regards.\r\n"}}
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