Sensors in Gazebo

asked 2012-12-17 01:32:24 -0600

camilla
255 ●48 ●54 ●60

updated 2014-01-28 17:14:36 -0600

ngrennan
1 ●1 ●1

Hi all! I'd like to add an hokuyo laser to the pioneer that I'm simulating with gazebo. But I don't know how to do it.
I've seen that with Gazebo you can simulate an erratic robot with a laser on it. So I added:

 <include filename="$(find erratic_description)/urdf/erratic_hokuyo_laser.xacro" />
 <!-- BASE LASER ATTACHMENT -->
<erratic_hokuyo_laser parent="base_link">
    <origin xyz="0.2 0 0.001" rpy="0 0 0" />
</erratic_hokuyo_laser>

to the pioneer3dx.xacro. But when I run the simulation I can't see the laser in the robot model and /scan in the topic list. Any advice?

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answered 2012-12-20 02:23:36 -0600

camilla
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I solved the problem changing the lines added this way:

 <include filename="$(find p2os_urdf_mod)/defs/erratic_hokuyo_laser.xacro"/>

<xacro:erratic_hokuyo_laser parent="base_link">
    <origin xyz="0.01 0 0.23" rpy="0 0 0" />
</xacro:erratic_hokuyo_laser>

and in the "erratic_hokuyo_laser.xarco" I added the keyword xacro: before the macro tag:

<xacro:macro name="erratic_hokuyo_laser" params="parent *origin">
...
</xacro:macro>

Now I can see the /scan topic and map its values with rviz.

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answered 2012-12-18 04:11:44 -0600

davinci

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Does the include work? You can also try to copy paste the contents of the erratic_hokuyo_laser.xacro to your pioneer file and change all the erratic specific parts to pioneer.

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I changed a bit the line added and now I can see the model of the laser on the top of the robot, but there isn't still the /scan topic.

camilla ( 2012-12-20 02:02:09 -0600 )edit

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