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GEOmap (version 2.1)

Topographic and Geologic Mapping

Description

Set of routines for making Map Projections (forward and inverse), Topographic Maps, Perspective plots, Geological Maps, geological map symbols, geological databases, interactive plotting and selection of focus regions.

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Version

Install

install.packages('GEOmap')

Monthly Downloads

1,198

Version

2.1

License

GPL

Maintainer

Jonathan Lees

Last Published

March 30th, 2013

Functions in GEOmap (2.1)

Earthquake Magnitude based on exponentional

Insert NA in a vector

List Lat-Lon to cartesian XYZ

Extract from GEOmap

Determine if point is inside polygon

Plot Lat-Lon tick marks

DUMP vectors to screen in list format

Nice tic division

Cartesian to Lat-Lon

Finder intersection of lines

Fault Perpendiculars

Get Lat-Lon Perimeter

Cross sectional plot with earthquakes projected

GEOmap.CombineStrokes

Combine strokes in a GEOmap list

Earthquake Location Data

GEOmap.breakline

Break a line at specified indeces into a list

Distance and Azimuth from two points

Plot Overturned fault

Basic Topogrpahy Map

Add Tic marks to map

Point to line distance

Set Various Map Constants

Topographic Plot of geographic region

Explode symbols that overlap

Globe Rotation Matrix

Exclude GEOmap Strokes

Find spaced Points along a line

Syncline and Anticline traces

Magnitude size legend

Get LAT-LON points that fall inside a map

List stroke points in a GEOmap

GEOmap.breakpoly

Break up a polygon

Fill the complement of a polygon

Plot globe with orthogonal

Strike Slip Fault

Concatenate Two GEOmaps

Add Lat-Lon points using projection

Cartesian to Lat-Lon

Plot World Map with UTM sections

local coordinates to Global

Extract a set of eathquakes in swath along a cross sectional line

Global Coast Map

Insert a set of values in a vector

Along A great Arc

Difference between Longitudes

Geological legend from GEOmap Structure

Cross Sections Using RPMG

Horseshoe Symbol

Select parts of a GEOmap

Cross sectional Swaths of Earthquakes over Japan

Set up polygons for World map Database

Great Circle Arc

Land and Sea Colors

Get a spline curve along a set of points

Get a spline curve along a set of points

Extract a rectangular perimeter

Plot a projected GEO map

Normal Fault trace

Orthogonal Projection of Meridian or Parallel

Add markup information to an existing plot

Subset a Topo map

rotation about Z-axis

Area of Map objects

Correct the Wrapping problem

Orthogonal Map Projection

Add Teeth to line

Ellipsoidal.Distance

Ellipsoidal Distance

Iinteractive earthquake cross section

Plot regular polygon: pentagon, hexagon, octagon

Get UTM Box info

Set up mark up for maps

Convert from GLOBAL LAT-LON to X-Y

Color Map from DEM

Nice Looking Lat-Lon pairs for plotting

perpendicular marks along line

Topographic Color Map

Add lines, points or text to GEOmap projected plot

Stroke Information

Global to local coordinates

Convert decimal degrees to degree, minutes, seconds

Counter Clockwise Whorl

set up matrices for selecting from eTOPO5

Nice DMS coordinates

x-axis rotation matrix

Create Topography ColorMAP

List of Projection types

Horizontal Zebra Scale

Counter Clockwise check

Rectangle Line Overlap

Cross sectional profile through a digital elevation map

Rotate a GEOmap

Translation matrix

Internal point of polygon

Test set of points for inside/outside polygon

set a rotation matrix

Locate points in worlmap

Nice Lat-Lon Label

Convert from XY to GLOBAL LAT-LON

Lambert-Azimuthal Equal Area

y-axis rotation matrix

Map inside-outside

Convert maps data to GEOmap format

Plot Edicenters

Tick marks for Square plot

North-South Weather Vane Arrow

Set Bounds for GEOmap

World Map with Teleseismic Ray-paths