build_forest_profile    Construct a 2D Forest Profile Using L-System
                        Trees from Inventory Data.
build_tree              Build a 2D L-System Tree Using Turtle Graphics
fractal_tree_model      Build a 2D L-System Tree from Predefined Tree
                        Templates
generate_point_cloud    Generate a Point Cloud from 2D trees data frame
get_tree_matrix         Extract the Fractal Tree Matrix from a Tree
                        Data Frame
is_branch_symbol        Check if character is a branch symbol
is_pop_symbol           Check if character is a pop symbol
iterate_lsystem         Rewrite an Axiom Using Production Rules to
                        Generate a String for Turtle Graphics
plot_forest_profile     Visualize the 2D profile of a fractal trees
                        forest
plot_tree               Visualize a fractal tree
