Convert Struct to Pointcloud using ROS2

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manuel mar
manuel mar on 10 Sep 2021
Answered: Josh Chen on 10 Sep 2021
I am trying to convert one structure (a) to point to cloud2.However, I am having problems converting this. Already tried this
ptCloud = pointCloud('a');

Accepted Answer

Josh Chen
Josh Chen on 10 Sep 2021
Hello Manuel,
The function pointCloud takes 3-D coordinate points as input argument. However, the variable 'a' here in the screenshot seems to be an 'sensor_msgs/PointCloud2' message struct. To return a point cloud, you would have to first use rosReadXYZ to extract the 3-D coordinate points and use it as the input to the pointCloud function.
In this case, the following code shall return the point cloud from a:
>> pts = rosReadXYZ(a);
>> ptCloud = pointCloud(pts);
Hope this helps,

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