RVIZ Interactive Markers - color change runtime

asked 2014-05-29 02:07:35 -0600

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Hi,

I was wondering if it was possible to change the color of an Interactive Markers during run time? I tried to change the color of the mesh embedded in the Interactive Markers but nothing occurs when I update the Server:

server.get()->applyChanges();

The architecture of my Interactive Markers is :

visualization_msgs::Marker robot_mesh;
visualization_msgs::InteractiveMarkerControl robot_control; //contain robot_mesh
visualization_msgs::InteractiveMarker robot_marker; //contain robot_control

Thanks

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answered 2016-04-11 21:35:18 -0600

eric-wieser

flag of United Kingdom of Great Britain and Northern Ireland

111 ●5 ●8 ●10 http://ericwieser.me/

A solution that worked for me was to just clear all interactive markers and reinsert them all with the new colors. Surprisingly, this works even while a marker is being dragged in rviz

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answered 2019-04-08 15:06:16 -0600

jNewten
1

In python its as easy as changing the markers color attribute.

marker = server.get("marker_name")
marker.controls[0].markers[0].color.r = 150
marker.controls[0].markers[0].color.g = 0
marker.controls[0].markers[0].color.b = 0
server.applyChanges()

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It does change but not as you drag the marker for me. I need to hit reset or toggle transparency box to make the update happen

rostoast ( 2019-08-15 09:51:59 -0600 )edit

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