View source: R/metrics_Terryn_2020.R
relative_volume_ratio_qsm | R Documentation |
Calculates the relative volume ratio from a TreeQSM.
relative_volume_ratio_qsm(cylinder, treedata)
cylinder |
Cylinder field of a TreeQSM that is returned by
|
treedata |
Treedata field of a TreeQSM that is returned by
|
The relative volume ratio is defined as "Ratio of the percentage volume within 80 to 90% of the tree height and the percentage volume within 0 to 10% of the tree height" (Terryn et al., 2020).
The relative volume ratio.
Terryn, L., Calders, K., Disney, M., Origo, N., Malhi, Y., Newnham, G., ... & Verbeeck, H. (2020). Tree species classification using structural features derived from terrestrial laser scanning. ISPRS Journal of Photogrammetry and Remote Sensing, 168, 170-181.
## Not run:
# Read tree qsm and calculate the relative volume ratio
qsm <- read_tree_qsm(QSM_path = "path/to/qsm.mat")
rvr <- relative_volume_ratio_qsm(
cylinder = qsm$cylinder,
treedata = qsm$treedata
)
## End(Not run)
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