Table 2 The “TreeML_Dataset.csv” file contains the following column features for each tree.

From: A multilayered urban tree dataset of point clouds, quantitative structure and graph models

features

explanation

date

signifies the date of the scanning process (see Data Records section)

projectID

a unique set of numbers assigned to each project (see Data Records section)

treeID

a unique ID for each tree in dataset (see Data Records section)

botanical.name

the botanical name (species) of the tree

location.x, location.y, location.z

x,y,z-coordinates of the starting point of the tree in project coordinate system

location.lat, location.long, location.alt

x,y,z-coordinates of the starting point of the tree in global coordinate system

DBH(m)

the diameter of the circle fitted to the height 1.36-1.33 m

treeHeight(m)

Height (m) of the tree

crownStartHeight(m)

Crown’s base height (m) from the ground

crownDiameterMax(m)

Maximum horizontal crown diameter (m)

crownProjectionArea(m2)

Area (m2) of the crown’s planar projection’s convex hull

totalVolume(L)

Total volume (L) of the tree

crownX_XXd_m_

crown radius in 72 directions, each 5 degree (m)

cr_XXmX_XXd_m_

crown radius in 72 directions, each 5 degree, and each 2 meter hight (m)