Tools and Metrics for 3D Surfaces and Objects

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Documentation for package ‘habtools’ version 1.0.5

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cell_count_1d Count filled cells in 1D
cell_count_2d Count filled cells in 2D
cell_count_3d Count filled cells 3D
centroid Calculate the centroid of 3D points
circularity Calculate circularity of a 2D shape
convexity Calculate convexity of a 3D mesh
csf Calculate mechanical shape factor
dem_crop Crop DEM around points
dem_sample Sample a random DEM with specified size from a larger DEM
dem_split Split DEM into smaller tiles
dem_to_points Transform DEM to 3D pointcloud of raster corners
detect_drop Detect a sudden drop, edge, or overhang in a DEM
extent Calculate extent of a 3D object
fd Calculate fractal dimension
fd_area Calculate fractal dimension using the surface area method
fd_boxes Calculate fractal dimension using the box counting method
fd_cubes Calculate fractal dimension using the cube counting method
fd_diagnose Diagnose fractal dimension
fd_hvar Calculate fractal Dimension using the height variation method
fd_sd Calculate fractal Dimension using the standard deviation method
horseshoe Horseshoe reef
hr Calculate height range
hvar Calculate height variation in cells at different scales
mcap Montipora capitata
mcap2 Montipora capitata 2
mesh_to_2d Transform 3D mesh into 2D outline
mesh_to_dem Transform 3D mesh to DEM
mesh_to_points Transform mesh to 3D point cloud
mid_find Find midpoint of a DEM
packing Calculate packing of 3D object
perimeter Calculate perimeter of a 2D shape
planar Calculates planar area of a mesh
rdh Calculate rugosity, fractal dimension, and height for a DEM
rdh_theory Calculate metric based on geometric plane equation
rg Calculate rugosity
sa_triangle Calculate surface area of triangle
scale_area Re-scale mesh based on a fixed area
scale_volume Re-scale mesh based on a fixed volume of 1
set_origin Set the origin of a mesh
sim_circle Simulate a circle
sim_dem Simulates a fractal DEM
sma Calculate second moment of area
smv Calculate second moment of volume
sphericity Calculate sphericity of a 3D object
surface_area Calculate surface area
svol_triangle Calculate signed volume of triangle