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2020-12-18 13:26:38 -0500 marked best answer Play a bag with a step

Hello,

I want to play a Bagfile, but only advertise one message and skip the 2 following.. and there we go.. anyway to do this ?

Thanks

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2019-07-10 06:20:15 -0500 commented answer Play a bag with a step

Thanks for the help, I know how to code in Python, but never used a python code with ROS, how do I run the code after ed

2019-07-10 05:41:54 -0500 commented answer Play a bag with a step

Yes, i want to record on an other bag, only 1 out of 3 messages that are published from the original bag. can you tell m

2019-07-10 04:14:52 -0500 edited question Play a bag with a step

Play a bag with a step Hello, I want to play a Bagfile, but only advertise one message and skip the 2 following.. and t

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2019-07-10 04:13:48 -0500 asked a question Play a bag with a step

Play a bag with a step Hello, I want to play a Bagfile, but only play one message and skip the 2 following.. and there

2019-07-01 06:48:29 -0500 asked a question change object's colors in Gazebo

change object's colors in Gazebo Hello, I'm trying to change the color of my objects in my Gazebo world. Here's my Worl

2019-06-27 07:53:18 -0500 marked best answer Change the orientation of a PointCloud

Hello, I'm trying to change the orientation of a pointcloud topic, I want to change it according to the following equation :

let's say (x,y,z) are the original pointcloud coordinates, and (x',y',z') are the pointcloud cooridnates after the transformation. I want :

x' = -y | y' = -z | z' = x

How can I do that please ?

2019-06-26 06:37:29 -0500 edited question Change the orientation of a PointCloud

Change the orientation of a PointCloud Hello, I'm trying to change the orientation of a pointcloud topic, I want to cha

2019-06-26 06:36:56 -0500 asked a question Change the orientation of a PointCloud

Change the orientation of a PointCloud Hello, I'm trying to change the orientation of a pointcloud topic, I want to cha

2019-06-25 03:47:39 -0500 answered a question stereo_image_proc: rotate cameras

Is there a way to transform a topic, like a ros function that takes a topic as input, transform it, and then publish it

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2019-06-25 03:14:54 -0500 asked a question stereo_image_proc: rotate cameras

stereo_image_proc: rotate cameras Hello, I'm trying to setup a stereovision system from two camera, so for that, I'm u

2019-06-19 08:25:40 -0500 asked a question Stereo camera description

Stereo camera description Hello, I'm trying to use my two cameras to create a stereovision camera. I found this stereo

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2019-06-17 08:22:42 -0500 commented answer [CARTOGRAPHER] "Submaps: For frame [map]: Frame [map] does not exist"

I did change trancking and published frame to os_lidar, nothing changed. Did also change the fixed frame on Rviz to os1_

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2019-06-14 07:16:31 -0500 answered a question Generating 3D map from Lidar data

Here's the link of the same question already been asked here. You'll find a thoughful answer. Personnally, I'm working o

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2019-06-14 07:14:47 -0500 commented answer [CARTOGRAPHER] "Submaps: For frame [map]: Frame [map] does not exist"

hi @fyi, I just figred out by accident the frame_id of my PointCloud topic. it's os1_lidar. So I should make tracking_fr

2019-06-12 16:03:23 -0500 commented answer [CARTOGRAPHER] "Submaps: For frame [map]: Frame [map] does not exist"

Here's the result of $ rostopic echo /points2 : https://pastebin.com/MybV1R6H Do you know how to make sure that the topi

2019-06-12 09:41:09 -0500 commented answer [CARTOGRAPHER] "Submaps: For frame [map]: Frame [map] does not exist"

The information (Pointclouds) are coming from /points2. Rostopic echo /points2 is giving a lot of points coordinates bu

2019-06-12 09:36:12 -0500 commented answer [CARTOGRAPHER] "Submaps: For frame [map]: Frame [map] does not exist"

The information (Pointclouds) are coming from /points2. Rostopic echo /points2 is giving a lot of points coordinates bu

2019-06-12 09:10:53 -0500 commented answer [CARTOGRAPHER] "Submaps: For frame [map]: Frame [map] does not exist"

Hi, Thanks for your response. As a ROS newbie, I don't know how to get to know the header of frame_id of my bag file, ca

2019-06-12 08:48:55 -0500 asked a question [CARTOGRAPHER] "Submaps: For frame [map]: Frame [map] does not exist"

[CARTOGRAPHER] "Submaps: For frame [map]: Frame [map] does not exist" Hi, I've been trying to set up Cartographer on ROS

2019-06-10 15:57:46 -0500 commented question How to launch cartographer on my own .bag - RVIZ with missing tf

Hi @goeldisandro, Did you solve the problem please ? I'm having exactly the same problem as the one you described here..