Centre of Mass Assessment and Consolidation of Trees

The centre of mass is a crucial data for arborists in order to consolidate a tree using steel or dynamic cables. Given field-recorded data on branchiness of a tree, the package: (i) computes and plots the centre of mass of the tree itself, (ii) computes branches slenderness coefficient in order to aid the arborist identify potentially dangerous branches, and (iii) computes the force acting on a ground plinth and its best position relating to the tree centre of mass, should the tree need to be stabilized by a steel cable.


News

1.2.1 Updated to ensure compatibility with recent ggplot2 releases 1.2 Updated to provide compatibility with R 3.0 1.1 Removed switchBranchPruningStatus as it can be expressed in a simple base statement Added feature to estimate the force on a ground plinth needed to stabilize a tree with a static steel cable Added stonePine2FieldData dataset Changed name of dataset fieldData to stonePine1FieldData Changed name of dataset treeData to stonePine1TreeData 1.0.4 Updated to R 2.15.0 Updated to roxygen2 Slight change to treeVectors and new dependency from plyr Correctly declared S3 methods: plot.vector, plot.SR and summary.CM New S3 generic method plot.CM to plot CM on top of a plot generated by plot.vector CM is now a named list instead of a vector New S3 generic method print.CM prints just the cartesian coordinates of CM Improved Makefile 1.0.3 Added a new allometry fitting equation yielding stone pine fresh weight (allometryABDC) Density dataset now provides 50% moisture content densities for a whole variety of conifers and dicots: Niklas, K. J. & Spatz, H.-C. Worldwide correlations of mechanical properties and green wood density American Journal of Botany, 2010, 97, 1587-1594 1.0.2 New feature: slenderness ratio for branches is computed and plotted. Tree SR is defined as L/D according to Mattheck, C. and Breloer, H. Banches SR is corrected to take into account branch deviation from the verticality. Minor tweaks and speed improvements Fixed bug that prevented data import 1.01 fieldData column dir renamed to azimuth

Reference manual

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install.packages("treecm")

1.2.2 by Marco Bascietto, 2 years ago


https://github.com/mbask/treecm


Browse source code at https://github.com/cran/treecm


Authors: Marco Bascietto <marco.bascietto@entecra.it>


Documentation:   PDF Manual  


GPL-2 license


Imports plyr

Suggests ggplot2, reshape2


See at CRAN