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2019-09-06 10:26:54 -0600 commented answer transformStamped to transformation matrix (python)

Worked like charm! Thanks, I was going crazy trying to find a native way to do this. If someone knows of a native way, I

2019-09-06 10:25:32 -0600 marked best answer transformStamped to transformation matrix (python)

This may be trivial but I cannot find it anywhere, can someone help me? Goal: Find a transformStamped by a tf2 transform lookup, then convert this to a matrix so I can multiply it. Something like the below:

import tf2_ros
import tf

#(more code here, but not important to question)

tfBuffer = tf2_ros.Buffer()
listener = tf2_ros.TransformListener(tfBuffer)
trans = tfBuffer.lookup_transform("gps", "base_link", rospy.Time.now(), rospy.Duration(0.1))
matrix = tf.transformations.translation_matrix(trans)
# (More code after this point as well.)

Again, this may be trivial but I cannot find the solution to this nor a question that answers my problem.

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2019-09-05 14:06:44 -0600 asked a question transformStamped to transformation matrix (python)

transformStamped to transformation matrix (python) This may be trivial but I cannot find it anywhere, can someone help m

2019-09-05 07:46:27 -0600 commented answer ROS across machines: cant echo topics/visualize rviz (NOT DUPLICATE)

See @gvdhoorn comment above and report back, I still feel this is the problem until we know for sure.

2019-09-05 07:44:26 -0600 edited answer IMU + Odometry Robot Localization Orientation Issue

Four questions: 1): Do you have a second EKF estimating map_frame:? If you do, start with only one EKF for now. From th

2019-09-05 07:40:17 -0600 edited answer IMU + Odometry Robot Localization Orientation Issue

Three questions: 1): Do you have a second EKF estimating map_frame:? If you do, start with only one EKF for now. From t

2019-09-05 07:39:49 -0600 answered a question IMU + Odometry Robot Localization Orientation Issue

Three questions: 1): Do you have a second EKF estimating map_frame:? If you do, start with only one EKF for now. From t

2019-09-05 07:15:43 -0600 edited answer Unable to remove nan points using function removeNaNFromPointCloud

I have ran into this same situation. To remove NaN points there is another way without looping through the points etc. S

2019-09-05 07:14:07 -0600 answered a question Unable to remove nan points using function removeNaNFromPointCloud

I have ran into this same situation. To remove NaN points there is another way without looping through the points etc. S

2019-09-04 14:00:32 -0600 answered a question ROS across machines: cant echo topics/visualize rviz (NOT DUPLICATE)

On the robot master did you run: export ROS_MASTER_URI=http://192.168.10.XXX:1131 export ROS_IP=192.168.10.XXX Wher

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2019-09-03 11:37:58 -0600 commented question Can't receive data in python node

@madmax More questions :) What does ros2 topic list return? With both publishers running. Also, how do you know which p

2019-09-03 09:48:09 -0600 asked a question Navsat transform and robot_localization ekf implementation questions

Navsat transform and robot_localization ekf implementation questions Two questions: 1) navsat_transform_node requires a

2019-09-03 09:47:59 -0600 commented question Can't receive data in python node

@madmax What is the output of your CPP node? Add a code snippet of the CPP node publisher, it would be helpful.

2019-09-03 09:47:58 -0600 commented question StatisticalOutlierRemoval in real time?

@S.Yildiz Your heading doesn't really match what your question asks. Your heading says: StatisticalOutlierRemoval but in

2019-09-03 09:47:58 -0600 commented question Unable to visualise point cloud in RViz even with header.frame_id selected

I definitely agree with @gvdhoorn, it's way easy that way. Also, when you say it's all zeros, what do you mean? If all