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Why is there a difference between functions of Link Class Reference and gazebo::physics::Link Class Reference ?

asked 2018-07-20 00:32:39 -0500

pk gravatar image

Gazebo Version: 7.13.1
Ubuntu 16.04
Class Links :
Link Class Reference
gazebo::physics::Link

For example, to get absolute pose of a model, function in Link Class Reference is WorldPose and in gazebo::physics::Link is GetWorldPose. Moreover datatype of poses returned by Link Class and gazebo::physics::Link are different. One is ignition::math::Pose3d and other is math::Pose. Why is there such difference ?

How to overcome this ? For example, how to convert math::Pose to ignition::math::Pose3d ?
Thanks in advance.

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answered 2018-07-20 11:43:01 -0500

updated 2018-07-20 11:44:45 -0500

As detailed on the Migration guide From Gazebo 7 to Gazebo 8, function

inline virtual const math::Pose Entity::GetWorldPose() const

was replaced with

inline virtual const ignition::math::Pose3d &Entity::WorldPose() const

When looking through the API documentation, be sure to go check if the documentation's version matches your Gazebo version. For Gazebo 7, this is the page you should be looking at.


As for converting between gazebo::math and ignition::math

ignition::math::Something ignSmth = gzSmth.Ign();
gazebo::math::Something gzSmth(ignSmth);
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Asked: 2018-07-20 00:32:39 -0500

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Last updated: Jul 20 '18