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GEOmap (version 2.5-11)

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

1,592

Version

2.5-11

License

GPL (>= 2)

Maintainer

Last Published

July 9th, 2024

Functions in GEOmap (2.5-11)

Concatenate Two GEOmaps

Cross sectional profile through a digital elevation map

GEOmap.breakpoly

Break up a polygon

Extract from GEOmap

Convert from GLOBAL LAT-LON to X-Y

GEOmap.breakline

Break a line at specified indeces into a list

GEOmap.CombineStrokes

Combine strokes in a GEOmap list

Plot globe with orthogonal

Map inside-outside

Land and Sea Colors

Find spaced Points along a line

UTM zone information

North-South Weather Vane Arrow

Add markup information to an existing plot

World Map centered on Lat-Lon

Nice Lat-Lon Label

Cross sectional Swaths of Earthquakes over Japan

Plot Overturned fault

Fill the complement of a polygon

Set Bounds for GEOmap

Finder intersection of lines

Along A great Arc

Convert from XY to GLOBAL LAT-LON

Cross sectional plot with earthquakes projected

Convert decimal degrees to degree, minutes, seconds

Strike Slip Fault

Cartesian to Lat-Lon

List Lat-Lon to cartesian XYZ

Earthquake Magnitude based on exponentional

Nice Looking Lat-Lon pairs for plotting

Difference between Longitudes

Geological legend from GEOmap Structure

Set Various Map Constants

Stroke Information

Select parts of a GEOmap

Insert a set of values in a vector

Distance and Azimuth from two points

Insert NA in a vector

Area of Map objects

Counter Clockwise Whorl

Create Topography ColorMAP

Globe Rotation Matrix

Great Circle Arc

Syncline and Anticline traces

Correct the Wrapping problem

Orthogonal Projection of Meridian or Parallel

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

Nice tic division

Color Map from DEM

Global Coast Map

Get Lat-Lon Perimeter

local coordinates to Global

Set up polygons for World map Database

Fault Perpendiculars

Global to local coordinates

Get a spline curve along a set of points

Area of closed polygon.

Lambert-Azimuthal Equal Area

List stroke points in a GEOmap

Plot regular polygon: pentagon, hexagon, octagon

Cross Sections Using RPMG

Set up mark up for maps

Subset a Topo map

Plot a projected GEO map

perpendicular marks along line

Convert maps data to GEOmap format

Get a spline curve along a set of points

Normal Fault trace

Add lines, points or text to GEOmap projected plot

Internal point of polygon

Rectangle Line Overlap

Orthogonal Map Projection

Extract a rectangular perimeter

Nice DMS coordinates

Add Lat-Lon points using projection

Magnitude size legend

Tick marks for Square plot

Iinteractive earthquake cross section

Get Subset ETOPO Digital elevation map

Add Teeth to line

Get UTM Box info

Add Tic marks to map

Horseshoe Symbol

Determine if point is inside polygon

Plot Lat-Lon tick marks

Get LAT-LON points that fall inside a map

Plot Edicenters

Test set of points for inside/outside polygon

Locate points in worlmap

List of Projection types

World Map with Teleseismic Ray-paths

rotation about Z-axis

set a rotation matrix

Plot World Map with UTM sections

set up matrices for selecting from eTOPO5

Rotate a GEOmap

Translation matrix

Horizontal Zebra Scale

y-axis rotation matrix

Point to line distance

Topographic Color Map

Cartesian to Lat-Lon

x-axis rotation matrix

Earthquake Location Data

Topographic Plot of geographic region

Topographic and Geologic Mapping

Datum information.

DUMP vectors to screen in list format

Ellipsoidal.Distance

Ellipsoidal Distance

Exclude GEOmap Strokes

Explode symbols that overlap

Basic Topogrpahy Map

Counter Clockwise check