Mahyar's profile - activity

@Stefan Kohlbrecher thanks for your answer, its appear continuously.

@Tom Moore thanks for your answer, yes i tried that but the result is the same.

hi i have ros groovy and want to use kalman filter with imu and odometry. unfortunately when i launch my launch file this error accrued.

Could not transform imu message from imu_link to base_footprint

this is my laucnch file:

 <launch>
<param name="use_sim_time" value="true"/>    
  <!-- Robot pose ekf -->   
    <node pkg="robot_pose_ekf" type="robot_pose_ekf" name="robot_pose_ekf" output="screen">
    <param name="freq" value="30.0"/>
    <param name="sensor_timeout" value="1.0"/>
    <param name="publish_tf" value="true"/>
    <param name="odom_used" value="true"/>
    <param name="imu_used" value="true"/>
    <param name="vo_used" value="false"/>
    <remap from="odom" to="base_odometry/odom" />
    <remap from="imu_data" to="torso_lift_imu/data" />
  </node>      
<node pkg="rosbag" name="rosbag" type="play" args="--clock --hz 100 -d .4 /home/mahyar/Desktop/bagFiles/lightBag3Final/2014-05-18-15-06-23.bag " />      
 </launch>

this is my topics:

/base_odometry/odom
/tf
/torso_lift_imu/data

and tf tree is: http://www.docdroid.net/cewp/frames.pdf.html

when i echo /torso_lift_imu/data the frame_id is imu_link.

thank you very much for rescuing me in this awful situation

i used the http://wiki.ros.org/image_proc package for solving my problem.

use http://wiki.ros.org/image_proc instead of remap for having image_rect.

thank you, my gole is fusing /odom and /vo , but i read kalman could increase accuracy of data even for one sensor, so i started for /odom, but the result of /odom_combined is the same of /odom. do you have any idea?

when i launch exf for my /odom data , the results are the same of input this is my lunch file :

<launch>

<node pkg="robot_pose_ekf" type="robot_pose_ekf" name="robot_pose_ekf">
  <param name="output_frame" value="odom_combined2"/>
  <param name="freq" value="50.0"/>
  <param name="sensor_timeout" value="1.0"/>  
  <param name="odom_used" value="true"/>
  <param name="imu_used" value="false"/>
  <param name="vo_used" value="false"/>
  <param name="debug" value="false" />
  <param name="self_diagnose" value="true" />
</node>

</launch>

all of my topices are:

/base_odometry/odometer
/base_odometry/state
/base_scan
/clock
/odom
/robot_pose_ekf/odom_combined
/rosout
/rosout_agg
/tf
/tilt_scan
/torso_lift_imu/data
/torso_lift_imu/is_calibrated

first of all, i launch ekf file and then use this rosbag play 2011-04-11-07-34-27.bag /base_odometry/odom:=/odom --clock command to run my dataset.

Hi i downloaded bagefile from mit stata center data set for testing fovis package. for kinect data(mono depth). fovis subscribing from this topices:

/camera/rgb/image_rect
/camera/depth_registered/image_rect 
/camera/rgb/camera_info
/camera/depth_registered/camera_info

but MIT bage file has this packages:

/camera/depth/camera_info
/camera/depth/image_raw
/camera/rgb/camera_info
/camera/rgb/image_raw

i used this command to play bagfiles: rosbag play 2012-04-26-06-48-00.bag. so, what i do for solve this problem?

did you ever tested [freenect](http://wiki.ros.org/freenect_stack) package?

Hi when i use rosws init ~/groovy_workspace /opt/ros/groovy on terminal i got this problem

Traceback (most recent call last):
  File "/usr/bin/rosws", line 54, in <module>
    from rosinstall.common import MultiProjectException
ImportError: No module named commo

i didn’t have any problems on fuerte, How could i fix this? thanks

do you see this topic: http://answers.ros.org/question/90696/get-depth-from-kinect-sensor-in-gazebo-simulator/