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rospy publisher behaving different from rostopic pub

Hi, I am trying to control my kinova mico manipulator arm through ROS python. I observed that when I use: ...
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1 answer
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Autocomplete rospy

I am learning how to programming in ROS hydro for my master thesis. I want to use auto complete of rospy libraries in an editor. I can enter commands like catkin_make, roslaunch from terminal, it is ...
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Trouble installing nmea_navsat_driver package?

Hello, I'm currently trying to set up a GPS receiver and base station my boss purchased to work in ROS. It is a trimble Ag GPS 542 GNSS receiver ( http://ssmgps.com/pdf/AGPB_AgGPS542_B... ). It looks ...
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ROS installation and usage of nmea_navsat_driver for GPS receiver?

Hello, I'm currently trying to set up a GPS receiver and base station my boss purchased to work in ROS. It is a trimble Ag GPS 542 GNSS receiver (http://ssmgps.com/pdf/...
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1 answer
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How to use variable's value (subscriber function) in another function

Hello all ! I want to pass the variable which is set to its value when called the callback function. and then want to use the value of the variable in another function. ...
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1 answer
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How much to turn to face the goal?

Hi, I am implementing a simple algorithm to move the robot towards an assumed goal position in the willow-erratic world map in stage_ros package. I want to calculate the degree quantity that the robot ...
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When is it safe to publish after declaring a rospy.Publisher?

I recently had a problem on Hydro with publishing a message to a topic I had recently declared. The logic looked like: ...
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