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RFOC (version 1.0-9)

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

1.0-9

License

GPL

Maintainer

Jonathan Lees

Last Published

March 11th, 2010

Functions in RFOC (1.0-9)

Plot a BeachBall Focal Mechanism

Convert Strike-Dip-Rake to MEC structure

Y-axis Rotation Matrix

fault plane projection on focal sphere

Divide a region into rectangles based on density

Vector Cross Product

Wulff Stereonet

Calculates and plot Earthquake Focal Mechanisms

P and T-axes data from the Harvard CMT catalog

Plot SV-wave radiation

Counter Clockwise Whorl

Plot Focal Radiation Patterns

P-wave radiation pattern

Calculate Rake angles

Get Points Along Great Circle

EqualArea Stereonet

Translation Matrix

Graphical Plot of Focal Mechanism

convert to spherical coordinates

P-wave radiation pattern

Plot Fault an Auxilliary Planes

Create a 3D Arrow structure

Convert azimuth, dip to Cartesian Coordinates

Convert to cartesian coordinate

Distance Along Great Circle Arc

Add P-T Axis to focal plot

Vector Cross Product

Rake Calculation

Plot P-wave radiation

Plot radiation pattern for P-waves

Plot Smooth PT-axes

Radiation pattern for SV waves

Get color of Focal Mechansim

Add points to Focal Mech

SDR data from the Harvard CMT catalog

Plot one Fault plane on stereonet

circle coordinates

Plot a 3D body on an existing graphic

95 percent confidence for Spherical Distribution

Angle between two 2D normalized vectors

Convert to Cartesian coordinates

Extract Axis pole on Stereonet

Normal Fault Cartoon

Small Circle on Stereonet

Ternary Distribution of focal mechanisms

Plot SH-wave radiation

Finder intersection of lines

Radiation pattern for P waves

Test set of points for inside/outside polygon

Z-axis Rotation Matrix

Create a mesh grid like in Matlab

Convert to Spherical Coordinates

Add fancy 3D arrows

Floating point remainer function

Rotate about the y axis

Make a 3D arrow

Point on Stereonet

Determine if point is inside polygon

Plot a Focal Mechanism from SDR

Angles for Ternary plot

Make fancy arrows

Equal-area point stereonet

Vector Cross Product

Radiation pattern for SH waves

Circle Plot with Cross Hairs

Reflect a pole through to the lower hemisphere

Make a 3D block Structure

Draw circular ticmarks

Get Fault Style

Print focal mechanism

Rotate about the z axis

Fill the complement of a polygon

Plot focal mechanism

Fault-Slip vector plot

Plot points on Wulff Stereonet

Plot a Focal Mechanism

Plot radiation pattern for SV-waves

Plot radiation pattern for SH-waves

Plot Ternary Point

add point on focal sphere

Thrust Fault Cartoon

Fault style descriptor

Phong shading for a 3D body

Convert Cartesian to Spherical

strikeslip.fault

Strikeslip Fault Cartoon

P-wave radiation pattern

Rotate about the x axis

Convert to Cartesian

add scale on sice of image

Equal-Angle Stereonet

Plot Strike Dip Lines

Polt the focal mechanism polygon

X-axis Rotation Matrix

Plot Many Focals

convert to spherical coordinates