Select highest or lowest points

Select and retained only highest or lowest points per grid cell

Usage

filter_with_grid(res, operator = "min", filter = "")

Arguments

res

numeric. The resolution of the grid

operator

string. Can be min or max to retain lowest or highest points

filter

the 'filter' argument allows filtering of the point-cloud to work with points of interest. For a given stage when a filter is applied, only the points that meet the criteria are processed. The most common strings are Classification == 2", "Z > 2", "Intensity < 100". For more details see filters.