Function that thins a point cloud to a desired homogenous horizontal point density by keeping a random subset of points of a desired size in each spatial cell and discarding all other points.
thin.point.cloud(pc, cell.size = 1, returns.per.cell = 4)
Point cloud in XYZ-table format (important: column names need to be X, Y and Z)
Side length of a spatial unit
Number of returns that should be kept in each cell
data.frame of the thinned point cloud in XYZ-table format
Nikolai Knapp, email@example.com
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