Package index • structr

All functions

Fault_PT(): Simple fault analysis

Fault_rake() Pair_plane() Fault_slip() Fault_plane() Fault_sense(): Extract components of fault object

Fault_from_rake_quadrant(): Fault from rake and quadrant notation

Mohr_calc(): Mohr circle parameters

Mohr_plot(): Mohr Circle plot

PR_stress(): Principal stresses from 2D stress components

Plane_from_apparent_dips(): Apparent dip direction

Plane_pitch(): Pitch of a line of a plane

RGN_plot(): Rigid Grain Net (RGN)

Rphi_plot(): R/phi plot

Rphi_polar_plot(): Polar R/phi plot

SH(): Direction of maximum horizontal stress from the stress tensor

SH_from_tensor(): Direction of maximum horizontal stress from the stress tensor (full knowledge)

angelier1990: Fault-Slip Data

antipode(): Antipode vector

apparent_dip_direction(): Apparent dip direction

azimuth_to_cardinal(): Converts azimuth angles into Cardinal directions

regression_greatcircle() regression_smallcircle(): Least-square fit of small and great circles to spherically projected data

regression_cone_ramsay() regression_cone_ramsay2(): The cone or plane best fit of conically or cylindrical disposed s-plane poles

bingham_statistics(): Elliptical concentration and confidence cone estimation

center(): Centering vectors

is.spherical() is.Vec3() is.Line() is.Ray() is.Plane() is.Pair() is.Fault() as.spherical() as.Vec3() as.Line() as.Ray() as.Plane() as.Pair() as.Fault() Vec3() Line() Ray() Plane() Pair() Fault() Spherical(): Structure classes

assign_col_d() assign_col() assign_col_binned() legend_c() legend_d(): Helper functions for color assignment and legends

confidence_ellipse(): Confidence ellipse

count_points(): Point density

defgrad_from_ratio() defgrad_from_pair() defgrad_from_vectors() defgrad_from_axisangle() defgrad_from_comp(): Deformation Gradient Tensor

exponential_kamb() linear_inverse_kamb() square_inverse_kamb() kamb_count() schmidt_count(): Density estimation

density(<spherical>) density_calc(): Spherical density estimation

kent_mle() vmf_mle(): MLE of spherical rotational symmetric distributions

dist(<spherical>): Angular distance matrix for orientation vectors

drillcore_transformation(): Orientation of structures from drill core orientation angles

ellipse(): Add an Ellipse to existing plot

ell_volume() ell_lode() ell_nadai() ell_jelinek() ell_flinn() ell_size_invariant() ell_strain_invariant() ell_shape_invariant(): Ellipsoid shape parameters

example_lines: Intersection lineations as "Line" object

example_lines_df: Intersection lineation data

example_planes: Planes orientations as "Plane" objects

example_planes_df: Planes orientations data

fabric_indexes(): Fabric intensity and shape indices

failure_criterion(): Failure Criterion

fault_plot() hoeppener() angelier(): Add fault data to existing plot

displacement_tensor() displacement_tensor_decomposition(): Fault displacement tensor

fault_displacements(): Fault displacement components

Fault_from_rake(): Fault from plane and rake

fisher_ftest(): Test of mean orientations

fisher_statistics(): Fisher's statistics

flinn_plot(): Flinn diagram

geodesic_mean_line() geodesic_mean_ray() geodesic_var_line() geodesic_var_ray() geodesic_meanvariance_line() geodesic_meanvariance_ray(): The Fréchet (geodesic \(L^2\)) mean of a set of lines or rays

geodesic_mean(): The Fréchet (geodesic \(L^2\)) mean

geodesic_var(): The Fréchet (geodesic \(L^2\)) variance

ggMohr(): Mohr Circle plot

ggframe(): Stereoplot Perimeter

ggstereo(): Stereoplot using ggplot

geom_contour_stereo() geom_contourf_stereo(): Stereoplot contouring using ggplot

velgrad_from_defgrad() defgrad_from_velgrad(): Velocity gradient and Deformation gradient tensors

gray_example: Bedding and cleavage data

head(<spherical>) tail(<spherical>): Return the First or Last Parts of an Object

holst: 3D Strain Data

hsu_fabric_plot(): Fabric plot of Hsu (1965)

hsu_plot(): Hsu plot

hypercontour(): Calculates densities for fabric and strain data

inertia_tensor(): Inertia tensor

lines(<spherical>): Add Lines to a Plot

geodesic_mean_pair() geodesic_var_pair(): Mean orientation of a set of pairs or faults

mean_strain_ellipse(): Mean strain ellipse

mean_strain_ellipse_ramsay(): Mean strain ellipse after Ramsay (1967)

ortensor(): Orientation tensor

ot_eigen(): Eigenvalues and Eigenvectors of a Set of Vectors

misfit_pair() correct_pair(): Orthogonalization of plane and line measurement

plot(<Line>) plot(<Vec3>) plot(<Ray>) plot(<Plane>) plot(<Pair>) plot(<Fault>): Plot spherical objects

points(<spherical>): Add Points to a Plot

gg() ggl(): Prepare points and lines for ggplot

principal_fault(): Calculate Principal Fault planes from stress vectors and friction

projected_mean(): Projected Mean

quadrant2dd(): Converts strike and dip quadrant notation into into dip direction

ramsay: R/phi data

regression_gray(): Least-square fit of small and great circles to spherically projected data

rfb(): Spherical Fisher-Bingham distribution

rhr2dd() dd2rhr(): Converts strike into dip direction using right-hand rule

rkent(): Kent distribution

runif.spherical(): Uniformly distributed vectors

sense_from_strikeslip(): Dip-slip Kinematics from Strike-Slip Faults

shebandowan: Vorticity from Rotated Porphyroclasts

sigma13(): Principle stresses

simongomez: Example data set

slerp(): Spherical Linear Interpolation (Slerp)

slip_inversion(): Stress Inversion for Fault-Slip Data

sph_cluster(): Cluster spherical data

split_trailing_letters(): Parse measurement and direction strings

sph_mean() sph_sd() sph_var() sph_confidence_angle() rdegree() sd_error() delta() estimate_k(): Statistical estimators of the distribution of a set of vectors

stereo_pair(): Stereographic projection of pairs

stereo_arrows(): Add Arrows to a Stereoplot

stereo_smallcircle() stereo_greatcircle(): Stereographic projection of cones

stereo_confidence(): Plot the bootstrapped confidence ellipse

contour(<spherical>) contourf() image(<spherical>): Plot spherical densities in a stereonet

stereo_coords(): Stereographic projection

stereo_point(): Stereographic projection of lines and planes

stereo_segment(): Great-circle segment between two vectors

stereoplot(): Stereographic projection

stereoplot_frame(): Stereoplot frame

stereoplot_guides(): Stereoplot gridlines

stereoplot_ticks(): Stereoplot tickmarks

read_strabo_xls() read_strabo_mobile() read_strabo_JSON(): Import orientation data from StraboSpot

principal_stretch() principal_strain() or_shape_params(): Principal Stretches, Strain and Shape Parameters based on the Orientation Tensor.

diff_stress() mean_stress() shear_stress() normal_stress() fracture_angle() slip_tendency() dilatation_tendency(): Stress components

stress_transformation(): Stress transformation

strikeslip_kinematics(): Strike-slip Kinematics

structr structr-package: library(structr)

summary(<spherical>): Summary statistics

symmetry_group(): Symmetry groups

tau_max(): Maximum in-plane shear stress

text(<spherical>): Add Points to a Plot

variance_plot(): Variance visualization

vec_list(): List of vectors

vector_length() vector_norm() crossprod(<Vec3>) crossprod(<Line>) crossprod(<Ray>) crossprod(<Plane>) dotprod() rotate() angle() project() reject() transform_linear(): Vector math operations

velgrad_rate() velgrad_spin(): Rate and spin of velocity gradient tensor

vollmer_plot(): Fabric plot of Vollmer (1990)

rvmf() dvmf(): von Mises-Fisher Distribution

woodcock_plot(): Fabric plot of Woodcock (1977)