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GEOmap (version 1.6-09)

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

1,076

Version

1.6-09

License

GPL

Maintainer

Jonathan Lees

Last Published

November 1st, 2012

Functions in GEOmap (1.6-09)

Exclude GEOmap Strokes

GEOmap.breakline

Break a line at specified indeces into a list

Finder intersection of lines

List stroke points in a GEOmap

Add Tic marks to map

Stroke Information

Counter Clockwise check

Great Circle Arc

Convert from GLOBAL LAT-LON to X-Y

Cartesian to Lat-Lon

Explode symbols that overlap

Land and Sea Colors

Counter Clockwise Whorl

Geological legend from GEOmap Structure

Plot globe with orthogonal

Iinteractive earthquake cross section

Do Interactive world Topography

Along A great Arc

Find spaced Points along a line

Select parts of a GEOmap

Fill the complement of a polygon

Map inside-outside

Nice Looking Lat-Lon pairs for plotting

Syncline and Anticline traces

Extract from GEOmap

Plot Overturned fault

Plot Edicenters

Convert from XY to GLOBAL LAT-LON

Cross Sections Using RPMG

Concatenate Two GEOmaps

Insert NA in a vector

Topographic Plot of geographic region

GEOmap.CombineStrokes

Combine strokes in a GEOmap list

Test set of points for inside/outside polygon

perpendicular marks along line

local coordinates to Global

Add markup information to an existing plot

Rectangle Line Overlap

Cross sectional plot with earthquakes projected

Cross sectional profile through a digital elevation map

Get a spline curve along a set of points

Ellipsoidal.Distance

Ellipsoidal Distance

Cross sectional Swaths of Earthquakes over Japan

Determine if point is inside polygon

Get Lat-Lon Perimeter

Insert a set of values in a vector

Create Topography ColorMAP

GEOmap.breakpoly

Break up a polygon

Set Various Map Constants

Correct the Wrapping problem

Nice tic division

Distance and Azimuth from two points

Point to line distance

Global to local coordinates

Add Lat-Lon points using projection

Basic Topogrpahy Map

Globe Rotation Matrix

List Lat-Lon to cartesian XYZ

Lambert-Azimuthal Equal Area

Plot a projected GEO map

Tick marks for Square plot

y-axis rotation matrix

Global Coast Map

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

Strike Slip Fault

List of Projection types

North-South Weather Vane Arrow

Orthogonal Projection of Meridian or Parallel

Plot World Map with UTM sections

Extract a rectangular perimeter

Set up polygons for World map Database

set a rotation matrix

Plot regular polygon: pentagon, hexagon, octagon

Internal point of polygon

Convert decimal degrees to degree, minutes, seconds

Difference between Longitudes

Set Bounds for GEOmap

Earthquake Magnitude based on exponentional

Color Map from DEM

Rotate a GEOmap

Topographic Color Map

World Map with Teleseismic Ray-paths

Subset a Topo map

Nice DMS coordinates

Get LAT-LON points that fall inside a map

Locate points in worlmap

Add lines, points or text to GEOmap projected plot

Get a spline curve along a set of points

Convert maps data to GEOmap format

Cartesian to Lat-Lon

Get UTM Box info

Magnitude size legend

Translation matrix

Horseshoe Symbol

x-axis rotation matrix

Plot Lat-Lon tick marks

Add Teeth to line

Orthogonal Map Projection

Select Geographic map from database

set up matrices for selecting from eTOPO5

DUMP vectors to screen in list format

Earthquake Location Data

Area of Map objects

Normal Fault trace

Nice Lat-Lon Label

rotation about Z-axis

Fault Perpendiculars

Horizontal Zebra Scale

Set up mark up for maps