5
votes
How do CAD programs solve for Inverse/Forward Kinematics problem in Assembly?
EDIT: Improved based on the comments below.
If you have a CAD assembled, that means that you have one valid configuration given. You move the TCP (Tool Center Point) only a small amount, since your ...
- 6,682
3
votes
Accepted
Gazebo not reading the material color in URDF
It's a limitation in Gazebo's ability to convert URDF to SDF, Gazebo's native object description format. Frustratingly, RViz works the other way around: it correctly parses URDF colors, but not the ...
- 1,363
3
votes
Accepted
RViz: How to Visualize a Voxblox Mesh as a MarkerArray?
So the doc's were out of date. I just updated them as the mesh is actually of type voxblox_msgs::MeshBlock. Voxblox use to output a standard MarkerArray, however ...
2
votes
Accepted
How to Visualize a real robot's movements on a map?
There seems to be two questions in one:
How should I visualise the trajectory (planned and traversed paths)?
How should I combine "ultrasonic sensors, infrared sensors, camera, human sensors etc. " ...
2
votes
Robotics Toolbox: Display all DH link frames in Seriallink.plot()
And the forward kinematics function has a second output argument which is an array of the transforms for each frame. The following code will do what you want:
...
- 1,712
2
votes
Accepted
2
votes
Accepted
Using DH parameters to visualize a robot
Yes you can visualive it in matlab, using robot toolbox for Matlab here.
Visualization would look like this
And code example for MDH table for my 6 DOF Serial manipulator :
...
- 647
1
vote
Accepted
rviz to plot a plane with known (x,y,z) points
The other answers contain some good pointers, but I would recommend you try out davetcoleman/rviz_visual_tools. It already provides you with the infrastructure to get RViz to render planes (in ...
- 39.1k
1
vote
Gazebo not reading the material color in URDF
I've never used ROS or Gazebo before, but it looks like all of your components are defined as being part of the same link, so Gazebo may be applying the last-specified color to all components because, ...
- 15.9k
1
vote
RViz: How to Visualize a Voxblox Mesh as a MarkerArray?
I had this problem too. You just have to source the corresponding setup.bash for the terminal that runs rviz and the /voxblox_node/mesh topic will be available to show in rviz.
- 111
1
vote
Accepted
Robotics Toolbox: Display all DH link frames in Seriallink.plot()
The easiest way to do this would be to use the trplot function (documented for v9 at http://www.petercorke.com/RTB/r9/html/trplot.html). You can simply call this ...
1
vote
Covariance Check?
You can plot the 2 and 3 σ gates around the means to see if it visually and intuitively makes sense.
If you have access to the raw data before it was filtered, you can calculate the residuals and ...
- 902
1
vote
Visualizing raw accelerometer and gyro data
I'm sure you've tried this, but if you follow the links in that YouTube video, you'll see that its author has posted the source code. See:
Gait tracking with x-IMU, and;
Github: xioTechnologies/...
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