# Quantitative Structural Model ('QSM') Treatment for Tree Architecture

## Documentation for package ‘aRchi’ version 2.1.0

- DESCRIPTION file.
- Package NEWS.

## Help Pages

add_leaves | Generate foliage to a QSM or skeleton with segmented annual shoots.
add_leaves-method | Generate foliage to a QSM or skeleton with segmented annual shoots.
add_non_reconstructed | Detect and add the axes that were not reconstructed by the QSM method
add_non_reconstructed-method | Detect and add the axes that were not reconstructed by the QSM method
add_physiological_ages | Add the physiological age of an annual shoots based on their length
add_physiological_ages-method | Add the physiological age of an annual shoots based on their length
add_pointcloud | Add a point cloud to an object of class aRchi
add_pointcloud-method | Add a point cloud to an object of class aRchi
add_radius | Add the radius to a skeleton based on point distance to the skeleton
add_radius-method | Add the radius to a skeleton based on point distance to the skeleton
angle3d | Calculate the zenith angle from xyz coordinates
aRchi | aRchi
aRchi-class | aRchi
aRchi2treeQSM | Generate a QSM in treeQSM format
aRchi2treeQSM-method | Generate a QSM in treeQSM format
BranchAngle | Estimation of the tree branch angle from an aRchi file
BranchAngle-method | Estimation of the tree branch angle from an aRchi file
build_aRchi | Build a an object of class aRchi
clean_point_cloud | Filter noise from a point cloud
clean_point_cloud-method | Filter noise from a point cloud
Clean_QSM | Cleans a QSM
Clean_QSM-method | Cleans a QSM
Compute_A0 | Find the principal axis of a tree
Compute_A0-method | Find the principal axis of a tree
Compute_Mf | Compute Moment of force
Compute_Mf-method | Compute Moment of force
DAI | Estimate the index of dominance of the principal axis: DAI.
DAI-method | Estimate the index of dominance of the principal axis: DAI.
ForkRate | Compute the fork rate of a tree
ForkRate-method | Compute the fork rate of a tree
get_nodes | Get the nodes from an object of class aRchi
get_nodes-method | Get the nodes from an object of class aRchi
get_operations | Get the nodes from an object of class aRchi
get_operations-method | Get the nodes from an object of class aRchi
get_paths | Get the paths from an object of class aRchi
get_paths-method | Get the paths from an object of class aRchi
get_pointcloud | Get the pointcloud from an object of class aRchi
get_pointcloud-method | Get the pointcloud from an object of class aRchi
get_QSM | Get the QSM from an object of class aRchi
get_QSM-method | Get the QSM from an object of class aRchi
LeonardoRatio | Compute Leonardo's ratio
LeonardoRatio-method | Compute Leonardo's ratio
Make_Node | Make Node
Make_Node-method | Make Node
Make_Path | Make the path of a QSM in an aRchi object
Make_Path-method | Make the path of a QSM in an aRchi object
nullOrDatatable-class | nullOrDatatable
nullOrLASOrDatatable-class | nullOrLASOrDatatable
nullOrlist-class | nullOrlist
nullOrnumeric-class | nullOrnumeric
PathFraction | Compute the path fraction
PathFraction-method | Compute the path fraction
plot-method | Plot an object of class aRchi
read_aRchi | Read an aRchi file
read_aRchi-method | Read an aRchi file
read_QSM | Read a QSM
segment_annual_shoots | Annual shoot segmentation in tree skeleton
segment_annual_shoots-method | Annual shoot segmentation in tree skeleton
SelectinQSM_3d | SelectinQSM_3d
SelectinQSM_3d-method | SelectinQSM_3d
simplify_skeleton | Simplify a skeleton by removing unnecessary cylinders
simplify_skeleton-method | Simplify a skeleton by removing unnecessary cylinders
skeletonize_pc | Build the skeleton of a tree point cloud
skeletonize_pc-method | Build the skeleton of a tree point cloud
smooth_skeleton | Smooth a tree skeleton
smooth_skeleton-method | Smooth a tree skeleton
TreeBiomass | Tree biomass estimation of the woody part
TreeBiomass-method | Tree biomass estimation of the woody part
TreeVolume | Tree volume estimation of the woody part
TreeVolume-method | Tree volume estimation of the woody part
Truncate_QSM | Truncate a QSM
Truncate_QSM-method | Truncate a QSM
WBEparameters | Compute WBE parameters
WBEparameters-method | Compute WBE parameters
WoodSurface | Estimate the unrolled wood surface from a QSM
WoodSurface-method | Estimate the unrolled wood surface from a QSM
write_aRchi | Write an aRchi file
write_aRchi-method | Write an aRchi file