Package index • structr

All functions

MohrCircle_calc(): Mohr circle parameters

MohrCircle_plot(): Mohr Circle plot

PR_stress(): Principal stresses from 2D stress components

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

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

VollmerPlot(): Fabric plot of Vollmer (1990)

WoodcockPlot(): Fabric plot of Woodcock (1977)

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

best_cone_ramsay(): 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

Line() Plane() Fault() Pair() as.line() as.plane() as.fault() as.pair() is.line() is.plane() is.fault() is.pair() is.spherical(): Structure classes

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

compact_grid(): Compact grid

to_vec() to_spherical() line2vec() plane2vec() vec2line() vec2plane(): Cartesian and spherical coordinates

correct_pair(): Orthogonalization of plane and line measurement

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

kent.mle() vmf.mle(): MLE of spherical rotational symmetric distributions

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

example_lines: Example lines

example_planes: Example planes

fabric_indexes(): Fabric intensity and shape indices

fault_analysis(): Simple fault analysis

fault_displacements(): Fault displacement components

fault_from_rake(): Fault from plane and rake

fault_rake(): Rake of a fault

fault_tensor(): Fault deformation gradient tensor

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

vlength() vsum() vnorm() vcross() vdot() vrotate() vangle() vproject() vreject(): Vector operations

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

ortensor(): Orientation tensor

parse_quadrant_measurement(): Title

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

cartesian_to_acosvec() acoscartesian_to_cartesian(): Spherical coordinate conversion

rfb(): Spherical Fisher-Bingham distribution

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

rkent(): Kent distribution

sigma13(): Principle stresses

sigmaTrans(): Stress transformation

simongomez: Example data set

spatial_interpolation(): Spatial interpolation

split_trailing_letters(): Parse measurement and direction strings

v_mean() v_var() v_delta() v_rdegree() v_sde() v_confidence_angle() estimate_k(): Statistical estimators of the distribution of a set of vectors

stereo_smallcircle() stereo_greatcircle(): Stereographic projection of cones

stereo_coords(): Stereographic projection

stereo_fault(): Stereographic projection of faults

stereo_point(): Stereographic projection of lines and planes

stereoplot(): Stereographic projection

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

v_orthogonalize(): Orthogonalize two vectors

v_unif(): Uniformly distributed vectors

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

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

vresultant(): Mean resultant of a set of vectors

vslerp(): Spherical Linear Interpolation (Slerp)

vtransform(): Affine transformation of vector by matrix