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2014-05-31 07:55:45 -0500 answered a question No laser scan received

hi,did you solve it? i have the main problem

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2014-05-23 04:01:04 -0500 commented answer amcl_pose does not publish

hi,i have the same problem,when i use rostopic echo /amcl_pose give me these warning: WARNING: no messages received and simulated time is active. Is /clock being published? do you solve your problem?

2014-05-23 03:56:15 -0500 asked a question problem with rostopic echo /amcl_pose

hi

When i try to rostopic echo /amcl_pose give me these warning: WARNING: no messages received and simulated time is active. Is /clock being published?

what can i do?

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2014-05-14 03:55:10 -0500 commented answer How to save topics in file?

Thank you I have a problem with these :rosbag record -a when i type these command give me these error :[ WARN] [1400075193.299487382]: /use_sim_time set to true and no clock published. Still waiting for valid time... what can i do??

2014-05-14 03:52:57 -0500 answered a question How to save topics in file?

Thank you I have a problem with these :rosbag record -a when i type these command give me these error :[ WARN] [1400075193.299487382]: /use_sim_time set to true and no clock published. Still waiting for valid time...

what can i do??

2014-05-14 02:05:43 -0500 asked a question How to save topics in file?

I want to save these topics in file :/amcl/parameter_descriptions /amcl/parameter_updates

what can i do?

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2014-04-19 09:14:08 -0500 asked a question rosbag play duration problem

I am just trying to rosbag play but give same exact errors. it should be done in this duration: path: basic_localization_stage.bag version: 2.0 duration: 1:32s (92s) start: Jan 01 1970 03:30:34.60 (34.60) end: Jan 01 1970 03:32:06.80 (126.80) size: 8.2 MB messages: 3693 compression: none [11/11 chunks] types: sensor_msgs/LaserScan [90c7ef2dc6895d81024acba2ac42f369] tf/tfMessage [94810edda583a504dfda3829e70d7eec] topics: /base_scan 924 msgs : sensor_msgs/LaserScan /tf 2769 msgs : tf/tfMessage

but when i copied the command rosbag play show me : [RUNNING] Bag Time: 1239671022.345222 Duration: 1239670987.745222 / 123967098

what can i do?

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