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GPS sensor in Gazebo #519

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GPS sensor in Gazebo #519

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Dotrar
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@Dotrar Dotrar commented Dec 30, 2020

Related issue:
gazebosim/gz-sensors#23
My pull requests: (This PR would depend on the following: )
gazebosim/gz-sensors#72
(which then depends on)
gazebosim/sdformat#453

Use the ign-sensor::Gps in the gazebo sim by creating a Gps-system

This was by far the hardest one to get going, not least due to the "binary/source" issue as mentioned by gazebosim/gz-tools#8

As mentioned on the sdformat issue, I've only made two simple noise systems that get applied unilaterally to each of the components.. If this doesn't suite I could change it.

I'm also really hoping that the use of sphericalCoords.PositionTransform() was correct because I wasn't quite sure on how it's meant to be used; or what a better way to use it ( ie: should the GPS store it's data in a SphericalCoords Type? )

Some notes:

  • I was thinking of putting in a "reference lat/lon" into the sdformat, so that one could specify where the gps starts out in the world file. but I couldn't see that on gazebo classic and I wasn't too sure how the gazebo classic gps function actually worked.

Dre Westcook added 3 commits December 30, 2020 19:39
Signed-off-by: Dre Westcook <[email protected]>
Signed-off-by: Dre Westcook <[email protected]>
Signed-off-by: Dre Westcook <[email protected]>
@github-actions github-actions bot added the 🔮 dome Ignition Dome label Dec 30, 2020
Comment on lines +184 to 185
</y>
<z>
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Suggested change
</y>
<z>
</y>
<z>

@@ -0,0 +1,46 @@
/*
* Copyright (C) 2019 Open Source Robotics Foundation
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* Copyright (C) 2019 Open Source Robotics Foundation
* Copyright (C) 2020 Open Source Robotics Foundation

Comment on lines +865 to +867
_in.GpsSensor()->PositionNoise());

}
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Suggested change
_in.GpsSensor()->PositionNoise());
}
_in.GpsSensor()->PositionNoise());
}

@@ -0,0 +1,239 @@
/*
* Copyright (C) 2019 Open Source Robotics Foundation
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* Copyright (C) 2019 Open Source Robotics Foundation
* Copyright (C) 2020 Open Source Robotics Foundation

Comment on lines +151 to +155
}


// set sensor parent
std::string parentName = _ecm.Component<components::Name>(
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Suggested change
}
// set sensor parent
std::string parentName = _ecm.Component<components::Name>(
}
// set sensor parent
std::string parentName = _ecm.Component<components::Name>(

@@ -0,0 +1,66 @@
/*
* Copyright (C) 2019 Open Source Robotics Foundation
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* Copyright (C) 2019 Open Source Robotics Foundation
* Copyright (C) 2020 Open Source Robotics Foundation

Comment on lines +52 to +55
EntityComponentManager &_ecm) final;


/// Documentation inherited
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EntityComponentManager &_ecm) final;
/// Documentation inherited
EntityComponentManager &_ecm) final;
/// Documentation inherited

@@ -0,0 +1,209 @@
/*
* Copyright (C) 2019 Open Source Robotics Foundation
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* Copyright (C) 2019 Open Source Robotics Foundation
* Copyright (C) 2020 Open Source Robotics Foundation

Comment on lines +154 to +170
// velocity should be negative in z
//EXPECT_GT(velocities.front().Z(), velocities.back().Z());
//EXPECT_LT(velocities.back().Z(), 0.0);

// check gps sensor data

/*
// vertical position = world position - intial position
// so since gps is falling, vertical position should be negative
EXPECT_GT(firstMsg.vertical_position(),
lastMsg.vertical_position());
EXPECT_LT(lastMsg.vertical_position(), 0.0);
// vertical velocity should be negative
EXPECT_GT(firstMsg.vertical_velocity(),
lastMsg.vertical_velocity());
EXPECT_LT(lastMsg.vertical_velocity(), 0.0);
*/
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Remove these lines

@ahcorde ahcorde added the needs upstream release Blocked by a release of an upstream library label Dec 30, 2020
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Thank you again for all the work, @Dotrar . Since the fork has been deleted, I opened a new PR in #1248.

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3 participants