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GEOmap (version 2.5-5)

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

816

Version

2.5-5

License

GPL (>= 2)

Maintainer

Jonathan Lees

Last Published

September 1st, 2023

Functions in GEOmap (2.5-5)

GEOmap.breakline

Break a line at specified indeces into a list

Cross sectional Swaths of Earthquakes over Japan

List Lat-Lon to cartesian XYZ

Iinteractive earthquake cross section

Set Various Map Constants

Set up polygons for World map Database

Plot globe with orthogonal

Cross Sections Using RPMG

GEOmap.breakpoly

Break up a polygon

Cross sectional plot with earthquakes projected

Set Bounds for GEOmap

North-South Weather Vane Arrow

Add Tic marks to map

Add markup information to an existing plot

Cartesian to Lat-Lon

Land and Sea Colors

Finder intersection of lines

Strike Slip Fault

Plot Overturned fault

Along A great Arc

Counter Clockwise Whorl

Nice Lat-Lon Label

Map inside-outside

Cross sectional profile through a digital elevation map

Geological legend from GEOmap Structure

Global to local coordinates

Create Topography ColorMAP

Get LAT-LON points that fall inside a map

List stroke points in a GEOmap

Color Map from DEM

Difference between Longitudes

Lambert-Azimuthal Equal Area

Stroke Information

Fault Perpendiculars

Find spaced Points along a line

Select parts of a GEOmap

Syncline and Anticline traces

perpendicular marks along line

Distance and Azimuth from two points

Convert decimal degrees to degree, minutes, seconds

Convert from XY to GLOBAL LAT-LON

Get Subset ETOPO Digital elevation map

UTM zone information

Fill the complement of a polygon

Add Lat-Lon points using projection

Horseshoe Symbol

Nice tic division

Area of Map objects

Global Coast Map

Extract a rectangular perimeter

Plot Edicenters

Rectangle Line Overlap

Plot Lat-Lon tick marks

Plot regular polygon: pentagon, hexagon, octagon

Correct the Wrapping problem

Great Circle Arc

Tick marks for Square plot

Test set of points for inside/outside polygon

Nice Looking Lat-Lon pairs for plotting

Insert NA in a vector

Earthquake Magnitude based on exponentional

Get a spline curve along a set of points

Magnitude size legend

Orthogonal Map Projection

Globe Rotation Matrix

Normal Fault trace

Convert maps data to GEOmap format

Insert a set of values in a vector

Get a spline curve along a set of points

Topographic Color Map

Plot a projected GEO map

Get UTM Box info

set up matrices for selecting from eTOPO5

Internal point of polygon

Get Lat-Lon Perimeter

y-axis rotation matrix

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

List of Projection types

Cartesian to Lat-Lon

Add lines, points or text to GEOmap projected plot

x-axis rotation matrix

Plot World Map with UTM sections

Orthogonal Projection of Meridian or Parallel

local coordinates to Global

Horizontal Zebra Scale

set a rotation matrix

Add Teeth to line

Determine if point is inside polygon

Nice DMS coordinates

Locate points in worlmap

World Map with Teleseismic Ray-paths

rotation about Z-axis

Subset a Topo map

Point to line distance

Rotate a GEOmap

Set up mark up for maps

Translation matrix

Exclude GEOmap Strokes

Earthquake Location Data

Topographic Plot of geographic region

Convert from GLOBAL LAT-LON to X-Y

Topographic and Geologic Mapping

Counter Clockwise check

Ellipsoidal.Distance

Ellipsoidal Distance

DUMP vectors to screen in list format

Concatenate Two GEOmaps

Datum information.

Basic Topogrpahy Map

Explode symbols that overlap

GEOmap.CombineStrokes

Combine strokes in a GEOmap list

Extract from GEOmap