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GEOmap (version 2.5-2)

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

2.5-2

License

GPL (>= 2)

Maintainer

Jonathan Lees

Last Published

August 13th, 2023

Functions in GEOmap (2.5-2)

Topographic Plot of geographic region

Earthquake Location Data

Exclude GEOmap Strokes

Ellipsoidal.Distance

Ellipsoidal Distance

Explode symbols that overlap

Datum information.

Basic Topogrpahy Map

DUMP vectors to screen in list format

Extract from GEOmap

Counter Clockwise check

Convert from GLOBAL LAT-LON to X-Y

Concatenate Two GEOmaps

GEOmap.breakline

Break a line at specified indeces into a list

Map inside-outside

GEOmap.CombineStrokes

Combine strokes in a GEOmap list

GEOmap.breakpoly

Break up a polygon

Plot globe with orthogonal

Cross sectional profile through a digital elevation map

Plot Overturned fault

List Lat-Lon to cartesian XYZ

Find spaced Points along a line

Land and Sea Colors

Add markup information to an existing plot

Strike Slip Fault

Finder intersection of lines

Cross sectional Swaths of Earthquakes over Japan

North-South Weather Vane Arrow

Set Various Map Constants

Cartesian to Lat-Lon

Select parts of a GEOmap

Nice Lat-Lon Label

Cross sectional plot with earthquakes projected

Stroke Information

Set up polygons for World map Database

UTM zone information

Add Lat-Lon points using projection

Cross Sections Using RPMG

Set Bounds for GEOmap

Add Tic marks to map

Iinteractive earthquake cross section

Difference between Longitudes

Distance and Azimuth from two points

Fill the complement of a polygon

Along A great Arc

Correct the Wrapping problem

Convert from XY to GLOBAL LAT-LON

Fault Perpendiculars

Earthquake Magnitude based on exponentional

Counter Clockwise Whorl

Insert a set of values in a vector

Nice Looking Lat-Lon pairs for plotting

Global to local coordinates

Lambert-Azimuthal Equal Area

Get Subset ETOPO Digital elevation map

Insert NA in a vector

Global Coast Map

Test set of points for inside/outside polygon

Horseshoe Symbol

Syncline and Anticline traces

Create Topography ColorMAP

Color Map from DEM

Convert decimal degrees to degree, minutes, seconds

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

local coordinates to Global

List of Projection types

Locate points in worlmap

Plot Lat-Lon tick marks

Geological legend from GEOmap Structure

Area of Map objects

Get Lat-Lon Perimeter

Horizontal Zebra Scale

Extract a rectangular perimeter

Get a spline curve along a set of points

Get a spline curve along a set of points

Globe Rotation Matrix

Add lines, points or text to GEOmap projected plot

Great Circle Arc

Nice tic division

World Map with Teleseismic Ray-paths

Convert maps data to GEOmap format

Orthogonal Projection of Meridian or Parallel

Plot regular polygon: pentagon, hexagon, octagon

Point to line distance

Rotate a GEOmap

Normal Fault trace

Nice DMS coordinates

Plot a projected GEO map

Rectangle Line Overlap

Plot Edicenters

rotation about Z-axis

Tick marks for Square plot

x-axis rotation matrix

y-axis rotation matrix

Subset a Topo map

List stroke points in a GEOmap

set a rotation matrix

Set up mark up for maps

Orthogonal Map Projection

Internal point of polygon

Determine if point is inside polygon

Topographic Color Map

Get LAT-LON points that fall inside a map

Plot World Map with UTM sections

set up matrices for selecting from eTOPO5

perpendicular marks along line

Translation matrix

Magnitude size legend

Get UTM Box info

Cartesian to Lat-Lon

Add Teeth to line