How to read scalar field (not x, y, z, r, g, b) of a point cloud?

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How to read scalar field (not x, y, z, r, g, b) of a point cloud?

Jim Zhou
Hello!

Recently I add an additional constant scalar field to a point cloud with xyz
and rgb information. But I don't know how to read it in PCL. Is there a
method? Should I define a new point type? I have tried as the following
link:

http://pointclouds.org/documentation/tutorials/adding_custom_ptype.php#adding-your-own-custom-pointt-type

But I don't succeed. I hope there is a perfect solution.

Thank you!



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