1. A method of processing LiDAR data to allocate points to individual items of vegetation, the method comprising: selecting a coordinate position represented in the LiDAR data that generated a return signal; determining whether the selected coordinate position is within a geographic area previously allocated to an item of vegetation; if the selected coordinate position is not inside the geographic area previously allocated to an item of vegetation, determining that a new item of vegetation has been identified; and generating a digital representation of the new item of vegetation.