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RFOC (version 2.0-00)

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

2.0-00

License

GPL

Maintainer

Jonathan Lees

Last Published

May 26th, 2011

Functions in RFOC (2.0-00)

Point on Stereonet

Convert Strike-Dip-Rake to MEC structure

Divide a region into rectangles based on density

Extract Axis pole on Stereonet

Distance Along Great Circle Arc

Angles for Ternary plot

Create a 3D Arrow structure

X-axis Rotation Matrix

Plot a BeachBall Focal Mechanism

Plot SH-wave radiation

Vector Cross Product

add scale on sice of image

Vertical Rotation matrix

Calculate Rake angles

Plot points on Wulff Stereonet

Add P-T Axis to focal plot

SDR data from the Harvard CMT catalog

Make a 3D arrow

Rake Calculation

circle coordinates

Convert to Cartesian

Wulff Stereonet

Fault-Slip vector plot

Z-axis Rotation Matrix

Add fancy 3D arrows

Convert to Cartesian coordinates

Make fancy arrows

add point on focal sphere

Trend - Dip to XYZ

Get color of Focal Mechansim

Equal-area point stereonet

Finder intersection of lines

Polt the focal mechanism polygon

P and T-axes data from the Harvard CMT catalog

Fault style descriptor

EqualArea Stereonet

Thrust Fault Cartoon

Phong shading for a 3D body

Plot a Focal Mechanism

Translation Matrix

Rotate Focal Mechanism

Plot P-wave radiation

Convert azimuth, dip to Cartesian Coordinates

Normal Fault Cartoon

convert to spherical coordinates

Y-axis Rotation Matrix

Get Points Along Great Circle

Draw circular ticmarks

Plot Fault an Auxilliary Planes

Floating point remainer function

Plot a Focal Mechanism from SDR

Fill the complement of a polygon

Ternary Distribution of focal mechanisms

Graphical Plot of Focal Mechanism

Plot a 3D body on an existing graphic

fault plane projection on focal sphere

Plot SV-wave radiation

strikeslip.fault

Strikeslip Fault Cartoon

Plot focal mechanism

Circle Plot with Cross Hairs

Convert to Spherical Coordinates

Plot Smooth PT-axes

Create a mesh grid like in Matlab

P-wave radiation pattern

Print focal mechanism

Radiation pattern for SH waves

Calculates and plot Earthquake Focal Mechanisms

Plot Strike Dip Lines

Plot radiation pattern for SH-waves

Rotate about the y axis

Small Circle on Stereonet

Radiation pattern for SV waves

95 percent confidence for Spherical Distribution

Convert Cartesian to Spherical

Angle between two 2D normalized vectors

Radiation pattern for P waves

Get Fault Style

Counter Clockwise Whorl

Add points to Focal Mech

Plot Ternary Point

P-wave radiation pattern

Plot Many Focals

Determine if point is inside polygon

Vector Cross Product

convert to spherical coordinates

Make a 3D block Structure

Rotate T-P axes

Plot one Fault plane on stereonet

Plot Focal Radiation Patterns

Plot radiation pattern for SV-waves

Moment Tensor to Strike-Dip-Rake

Equal-Angle Stereonet

Test set of points for inside/outside polygon

Plot radiation pattern for P-waves

P-wave radiation pattern

Rotate about the x axis

Rotate Focal Mechanism

Plot Focal Mechs at X-Y position on cross sections

Convert to cartesian coordinate

Reflect a pole through to the lower hemisphere

Rotate about the z axis

Vector Cross Product