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GEOmap (version 2.5-0)

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

2,564

Version

2.5-0

License

GPL (>= 2)

Maintainer

Jonathan Lees

Last Published

May 17th, 2022

Functions in GEOmap (2.5-0)

Exclude GEOmap Strokes

Explode symbols that overlap

Basic Topogrpahy Map

DUMP vectors to screen in list format

Ellipsoidal.Distance

Ellipsoidal Distance

Counter Clockwise check

GEOmap.breakpoly

Break up a polygon

Datum information.

Earthquake Location Data

Topographic Plot of geographic region

Extract from GEOmap

Plot Overturned fault

GEOmap.breakline

Break a line at specified indeces into a list

Land and Sea Colors

Concatenate Two GEOmaps

Cross sectional profile through a digital elevation map

Plot globe with orthogonal

Convert from GLOBAL LAT-LON to X-Y

Find spaced Points along a line

Syncline and Anticline traces

Nice Lat-Lon Label

Select parts of a GEOmap

Map inside-outside

Cartesian to Lat-Lon

Get Subset ETOPO Digital elevation map

Create Topography ColorMAP

Set up polygons for World map Database

Fault Perpendiculars

Set Various Map Constants

North-South Weather Vane Arrow

Strike Slip Fault

UTM zone information

Cross sectional plot with earthquakes projected

Counter Clockwise Whorl

Convert from XY to GLOBAL LAT-LON

Stroke Information

Set Bounds for GEOmap

Cross Sections Using RPMG

Horseshoe Symbol

Correct the Wrapping problem

Nice DMS coordinates

Global Coast Map

Add Lat-Lon points using projection

Test set of points for inside/outside polygon

Iinteractive earthquake cross section

Set up mark up for maps

Global to local coordinates

Normal Fault trace

y-axis rotation matrix

GEOmap.CombineStrokes

Combine strokes in a GEOmap list

Plot a projected GEO map

List Lat-Lon to cartesian XYZ

Finder intersection of lines

Tick marks for Square plot

Rectangle Line Overlap

Add markup information to an existing plot

Geological legend from GEOmap Structure

Cross sectional Swaths of Earthquakes over Japan

Subset a Topo map

Area of Map objects

Color Map from DEM

Get a spline curve along a set of points

Earthquake Magnitude based on exponentional

Difference between Longitudes

Distance and Azimuth from two points

Globe Rotation Matrix

Add Tic marks to map

Lambert-Azimuthal Equal Area

Along A great Arc

local coordinates to Global

Nice tic division

Get a spline curve along a set of points

Insert a set of values in a vector

Insert NA in a vector

Nice Looking Lat-Lon pairs for plotting

Convert decimal degrees to degree, minutes, seconds

Fill the complement of a polygon

Plot Edicenters

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

Locate points in worlmap

Orthogonal Projection of Meridian or Parallel

Plot Lat-Lon tick marks

Convert maps data to GEOmap format

rotation about Z-axis

Translation matrix

Rotate a GEOmap

Get Lat-Lon Perimeter

World Map with Teleseismic Ray-paths

Great Circle Arc

Orthogonal Map Projection

perpendicular marks along line

Plot World Map with UTM sections

x-axis rotation matrix

set a rotation matrix

Add Teeth to line

Internal point of polygon

Topographic Color Map

Horizontal Zebra Scale

Magnitude size legend

Get LAT-LON points that fall inside a map

Point to line distance

Add lines, points or text to GEOmap projected plot

List stroke points in a GEOmap

Plot regular polygon: pentagon, hexagon, octagon

Determine if point is inside polygon

List of Projection types

set up matrices for selecting from eTOPO5

Extract a rectangular perimeter

Get UTM Box info

Cartesian to Lat-Lon