Point clouds and QSM for 598 individually scanned tree branches to support "Terrestrial laser scanning to reconstruct branch architecture from harvested branches"

A collection of 598 harvested branches scanned in high resolution using terrestrial LiDAR. Branches were collected from GEM forest plots in Malaysia, Australia and Brazil.

Branch nomenclature is PLOT-TREE-BN where PLOT codes can be found in the manuscript, N refers to the sample number of branch harvested from a tree, and S and SH refer to sun or shade branch respectivetly.

For each branch there are 3 files:  

Unfiltered point clouds (raw_pc) are clipped from the original data only and have had no post processing applied

Filtered point clouds (filtered_pc) have been filtered according to the steps in the manuscript

QSMs were produced using treegraph (https://doi.org/10.5281/zenodo.5226212)

Polygon File Format (.ply) files can be viewed in software such as CloudCompare.

Full details of methods can be found in: Wilkes, P., Shenkin, A., Disney, M., Malhi, Y., Bentley, L. P., & Vicari, M. B. (2021). Terrestrial laser scanning to reconstruct branch architecture from harvested branches. Methods in Ecology and Evolution, 12, 2487–2500. https://doi.org/10.1111/2041-210X.13709

本数据集包含598根经地面激光雷达（terrestrial LiDAR）高精度扫描获取的枝条样本。所有枝条采集自马来西亚、澳大利亚与巴西的GEM森林样地。

枝条采用PLOT-TREE-BN的命名格式：其中PLOT代码可参阅相关论文手稿；N代表单棵树木上采集的枝条样本序号；S与SH分别对应向阳枝条与背阴枝条。

每根枝条对应3类文件：
1. 未过滤点云（raw_pc）：仅从原始数据中裁剪得到，未经过任何后处理操作；
2. 过滤后点云（filtered_pc）：已按照论文手稿中的步骤完成滤波处理；
3. 定量结构模型（Quantitative Structure Models，QSMs）：通过treegraph工具生成（https://doi.org/10.5281/zenodo.5226212）。

多边形文件格式（.ply）文件可通过CloudCompare等软件查看。

完整的实验方法细节可参见下述文献：
Wilkes, P., Shenkin, A., Disney, M., Malhi, Y., Bentley, L. P., & Vicari, M. B. (2021). 利用地面激光扫描技术从采集枝条中重建枝条架构. 生态学与进化方法, 12, 2487–2500. https://doi.org/10.1111/2041-210X.13709