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RFOC (version 2.0-02)

Graphics for Spherical Distributions and Earthquake Focal Mechanisms

Description

Graphics for statistics on a sphere, as applied to geological fault data, crystalogaphy, earthquake focal mechanisms, radiation patterns, ternary plots and geographical/geological maps.

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Version

Install

install.packages('RFOC')

Monthly Downloads

267

Version

2.0-02

License

GPL

Maintainer

Jonathan Lees

Last Published

October 20th, 2011

Functions in RFOC (2.0-02)

P-wave radiation pattern

P and T-axes data from the Harvard CMT catalog

Fault style descriptor

Convert azimuth, dip to Cartesian Coordinates

Create a 3D Arrow structure

Equal-area point stereonet

Point on Stereonet

Plot Many Focals

Finder intersection of lines

circle coordinates

strikeslip.fault

Strikeslip Fault Cartoon

Translation Matrix

Calculate Rake angles

Make a 3D block Structure

add point on focal sphere

Divide a region into rectangles based on density

Make a 3D arrow

Fault-Slip vector plot

Rake Calculation

Vector Cross Product

Trend - Dip to XYZ

Calculates and plot Earthquake Focal Mechanisms

95 percent confidence for Spherical Distribution

X-axis Rotation Matrix

Get Points Along Great Circle

Determine if point is inside polygon

Plot Focal Radiation Patterns

Convert Strike-Dip-Rake to MEC structure

Convert to Cartesian

Rotate about the y axis

Wulff Stereonet

Plot a BeachBall Focal Mechanism

convert to spherical coordinates

Plot a Focal Mechanism

Plot a 3D body on an existing graphic

Add P-T Axis to focal plot

Plot Focal Mechs at X-Y position on cross sections

Vector Cross Product

Equal-Angle Stereonet

Reflect a pole through to the lower hemisphere

Small Circle on Stereonet

Angles for Ternary plot

Thrust Fault Cartoon

Add fancy 3D arrows

Rotate Focal Mechanism

Plot Smooth PT-axes

Vertical Rotation matrix

Add points to Focal Mech

Counter Clockwise Whorl

Circle Plot with Cross Hairs

Plot P-wave radiation

Polt the focal mechanism polygon

SDR data from the Harvard CMT catalog

Radiation pattern for SV waves

Moment Tensor to Strike-Dip-Rake

Distance Along Great Circle Arc

Get color of Focal Mechansim

Test set of points for inside/outside polygon

Z-axis Rotation Matrix

Convert to cartesian coordinate

Plot Fault an Auxilliary Planes

Radiation pattern for SH waves

Convert to Cartesian coordinates

Y-axis Rotation Matrix

Plot radiation pattern for SH-waves

Create a mesh grid like in Matlab

Normal Fault Cartoon

Extract Axis pole on Stereonet

Print focal mechanism

Fill the complement of a polygon

Phong shading for a 3D body

Graphical Plot of Focal Mechanism

Rotate about the z axis

Plot radiation pattern for SV-waves

EqualArea Stereonet

Make fancy arrows

P-wave radiation pattern

Convert to Spherical Coordinates

Plot SV-wave radiation

Plot Strike Dip Lines

Vector Cross Product

add scale on sice of image

P-wave radiation pattern

Rotate Focal Mechanism

Draw circular ticmarks

Plot focal mechanism

Plot points on Wulff Stereonet

Plot SH-wave radiation

convert to spherical coordinates

Rotate T-P axes

Ternary Distribution of focal mechanisms

Convert Cartesian to Spherical

Radiation pattern for P waves

Plot a Focal Mechanism from SDR

Plot Ternary Point

Plot one Fault plane on stereonet

fault plane projection on focal sphere

Get Fault Style

Plot radiation pattern for P-waves

Rotate about the x axis

Angle between two 2D normalized vectors