Use of Spherical Targets with Best fit tool for fine registration

[Cambraceres]

Hello all and thanks for your time. My question involves the use of a specific type of spherical lidar survey target, with the Emesent Hovermap system. Last year, a white paper was released by Emesent detailing a workflow which utilized spherical survey targets in conjunction with the "Best Fit" tool in Cloud Compare.

My question is, can I use the targets in the attached photos, as they are only half spheres, or will the spherical best fit tool only function well with true spheres?

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[WargodHernandez]

You do not need full sphere’s, in fact when scanning from a single PoV there is almost never more than half a sphere captured from most scanners. In the past I have used best alignment across multiple spheres from different sensors and positions with typically <40% of each sphere visible from any one sensor