crown_area              Crown Profile Area by Shape
crown_area_ellipse      Crown Profile Area — Ellipse
crown_area_fan          Crown Profile Area — Fan (Umbrella) Shape
crown_area_rectangle    Crown Profile Area — Rectangle (Cylinder)
crown_area_triangle     Crown Profile Area — Triangle (Cone)
crown_form              Crown Form Factor
crown_metrics           Compute All Crown Metrics for a Data Frame
crown_morphometrics     All Crown Morphometric Indices
crown_projection_area   Crown Projection Area (Horizontal)
crown_ratio             Crown Ratio
crown_volume            Crown Volume by Shape
crown_volume_cone       Crown Volume — Cone
crown_volume_cylinder   Crown Volume — Cylinder
crown_volume_ellipsoid
                        Crown Volume — Ellipsoid (or Sphere)
crown_volume_fan        Crown Volume — Fan (Umbrella) Shape
crown_volume_paraboloid
                        Crown Volume — Paraboloid
salience_index          Salience Index
scope_index             Scope Index
slenderness             Slenderness Index
vital_space_index       Vital Space Index
