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2019-10-28 12:13:44 -0500 commented question ros2 performance with ros1

@MCornelis I am mainly interested in message latency.

2019-10-28 12:06:15 -0500 edited question ros2 performance with ros1

ros2 performance with ros1 I am wondering how is the performance of ros2 with DDS as compared to ros1. I am mainly inter

2019-10-25 17:11:19 -0500 asked a question ros2 performance with ros1

ros2 performance with ros1 I am wondering how is the performance of ros2 with DDS as compared to ros1. https://www.resea

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2019-09-13 16:49:45 -0500 marked best answer ros nodes not shutting down

i have a launch file which first launch another launch file and then it starts another node. When my another node terminates I expect nodes started by first launch file should also terminate. So I have

 while (ros::ok())

in my first launch node so if my second node finishes, i want to terminate first node. but right now on console I get

"escalating to SIGTERM"

. How do I fix this issue?

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2019-03-25 16:55:56 -0500 edited question Time required by ros communication between 2 nodes

Time required by ros communication between 2 nodes I am doing some performance evaluation for time required by ros trans

2019-03-25 16:37:55 -0500 edited question Time required by ros communication between 2 nodes

Time required by publishing ros message I am doing some performance evaluation for time required by ros transport layer.

2019-03-25 16:03:30 -0500 asked a question Time required by ros communication between 2 nodes

Time required by publishing ros message I am doing some performance evaluation for time required by ros transport layer.

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2019-02-13 17:22:25 -0500 marked best answer how does ros communication works

When does ros calls serialize::read() write() methods? when message is publishing, does it call serialization::write internally? and If I am subscribing to particular type on receiver side, does it call instantiate() or read() method? Lets assume when I publish rosbag::MessageInstance from publisher, and I am subscribed to MsgType, does it call instantiate()? how does it convert ros:MessageInstance to MsgType ?

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2019-02-12 17:34:10 -0500 edited question how does ros communication works

how does ros communication works When does ros calls serialize::read() write() methods? when message is publishing, does

2019-02-12 16:33:27 -0500 asked a question how does ros communication works

how does ros communication works l am trying to implement generic publisher for ros. I understand I need to write my ser

2019-01-24 13:01:40 -0500 marked best answer Converting ros::Time to plain data structure

ros::time is derived from Time and Time class has 2 members uint32 sec, nsec. If I have ros::time, how do I store it into plain structure where i just have 2 uint32 fields. ros::time has toSec() and toNSec(), but neither of which returns uint32. How do I convert ros::time to

Message time {
  uint32 sec, nsec;
}
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2019-01-24 13:01:29 -0500 asked a question reading data from rosbag

reading data from rosbag My rosbag file has types stored in one data format and while reading, I am trying to pass diffe

2019-01-24 10:10:18 -0500 edited question Converting ros::Time to plain data structure

Converting ros::Time to plain data structure ros::time is derived from Time and Time class has 2 members uint32 sec, nse

2019-01-24 09:46:14 -0500 edited question Converting ros::Time to plain data structure

Converting ros::Time to protobuf data ros::time is derived from Time and Time class has 2 members uint32 sec, nsec. If I

2019-01-24 09:45:48 -0500 asked a question Converting ros::Time to plain data structure

Converting ros::Time to protobuf data ros::time is derived from Time and Time class has 2 members uint32 sec, nsec. If I

2018-11-16 12:54:20 -0500 commented answer How to calculate the exact packet rate of HDL-64E S3D?

do you know how many points are generated per second for 64E_S3D?

2018-11-15 18:32:32 -0500 asked a question how to calculate number of points/sec for HDL64E_S3D

how to calculate number of points/sec for HDL64E_S3D packet rate mentioned for 64E_S3D is 5800. For each packet there ar

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2018-10-19 12:50:13 -0500 edited question getNamespace returns incorrect namespace

getNamespace returns incorrect namespace whenever I call, ros::this_node::getNamespace() it always returns with double

2018-10-19 12:01:21 -0500 edited question getNamespace returns incorrect namespace

getNamespace returns incorrect namespace whenever I call, ros::this_node::getNamespace() it always returns with double

2018-10-19 08:53:56 -0500 edited question getNamespace returns incorrect namespace

getNamespace returns incorrect namespace whenever I call, ros::this_node::getNamespace() it always returns with double