Package index • structr

All functions

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

MohrCircle_calc(): Mohr circle parameters

MohrCircle_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

Rphi(): $$R_f/\phi$$

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

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

VollmerPlot(): Fabric plot of Vollmer (1990)

WoodcockPlot(): Fabric plot of Woodcock (1977)

apparent_dip_direction(): Apparent dip direction

azimuth_to_cardinal(): Converts azimuth angles into Cardinal directions

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

best_cone_ramsay() best_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.Plane() is.Pair() is.Fault() as.spherical() as.Vec3() as.Line() as.Plane() as.Pair() as.Fault() Vec3() Line() 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

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 estimation

dist(): Angular distance matrix for orientation vectors

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

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

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

example_lines: Example lines

example_planes: Example planes

fabric_indexes(): Fabric intensity and shape indices

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

fault_tensor() fault_tensor_decomposition(): Fault displacement tensor

fault_analysis(): Simple fault analysis

fault_displacements(): Fault displacement components

Fault_from_rake(): Fault from plane and rake

fisher_ftest(): Test of mean orientations

fisher_statistics(): Fisher's statistics

ggMohr(): Plot Mohr Circle in ggplots

ggframe(): Stereoplot Perimeter

ggstereo(): Stereonet using ggplot

geom_contour_stereo() geom_contourf_stereo(): Stereonet contouring using ggplot

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

gray_example: Example data from Gray et al. 1980 to find best small and great circle

inertia_tensor(): Inertia tensor

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

ortensor(): Orientation tensor

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

plot(<spherical>): Plot spherical objects

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

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

rfb(): Spherical Fisher-Bingham distribution

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

rkent(): Kent distribution

runif.spherical(): Uniformly distributed vectors

sigma13(): Principle stresses

sigmaTrans(): Stress transformation

simongomez: Example data set

split_trailing_letters(): Parse measurement and direction strings

mean() sd() var() confidence_angle() rdegree() sd_error() delta() estimate_k(): Statistical estimators of the distribution of a set of vectors

stereo_fault() stereo_pair(): Stereographic projection of faults and pairs

stereo_arrows(): Add Arrows to a Stereoplot

stereo_smallcircle() stereo_greatcircle(): Stereographic projection of cones

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

stereo_coords(): Stereographic projection

stereo_point(): Stereographic projection of lines and planes

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.

structr structr-package: library(structr)

tauMax(): Maximum in-plane shear stress

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

v_cluster(): Cluster spherical data

vector_length() crossprod() `%*%`(<spherical>) rotate() angle() project() reject() transform_linear(): Vector math operations

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

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

vslerp(): Spherical Linear Interpolation (Slerp)