GEOmap-package {GEOmap}R Documentation

GEOmap

Description

Topographic and Geologic Mapping

Details

Package: GEOmap
Type: Package
Version: 1.0-8
Date: 2008-04-15
License: GPL

Set of routines for making Map Projections (forward and inverse), Topographic Maps, Perspective plots, geologi cal databases, interactive plotting and selection of focus regions.

Note

High level plotting:
BASICTOPOMAP DOTOPOMAPI geoLEGEND GEOsymbols locworld plotGEOmap plotGEOmapXY plotusa plotUTM plotworldmap XSECDEM
PLOTTING:
circle addLLXY addTIX antipolygon zebra demcmap setXMCOL shade.col
Geological Map Symbols:
bcars faultdip faultperp horseshoe normalfault OverTurned perpen teeth thrust SynAnticline SSfault
Data manipulation:
boundGEOmap geoarea GEOTOPO getGEOperim GETXprofile Lintersect LOCPOLIMAP pline selectPOLImap setplotmat SETPOLIMAP settopocol subsetTOPO
Misc:
ccw difflon DUMPLOC fmod getmem getspline ilocator inpoly inside itoxyz jpostscript local.file meshgrid PointsAlong polyintern RESCALE
Projections:
setPROJ projtype GLOB.XY XY.GLOB MAPconstants GCLCFR lambert.cc.ll lambert.cc.xy lambert.ea.ll lambert.ea.xy lcgc merc.sphr.ll merc.sphr.xy utmbox utm.elps.ll utm.elps.xy utm.sphr.ll utm.sphr.xy stereo.sphr.ll stereo.sphr.xy equid.cyl.ll equid.cyl.xy

Author(s)

Jonathan M. Lees<jonathan.lees.edu> Maintainer:Jonathan M. Lees<jonathan.lees@unc.edu>

References

Snyder, John P., Map Projections- a working manual, USGS, Professional Paper, 1987.

Lees, J. M., Geotouch: Software for Three and Four Dimensional GIS in the Earth Sciences, Computers & Geosciences, 26, 7, 751-761, 2000.

See Also

RSEIS

Examples

proj = setPROJ(type = 2, LAT0 =23, LON0 = 35)

### get lat-lon
LL = XY.GLOB(200, 300, proj)

##  find x-y again, should be the same
XY = GLOB.XY(LL$lat, LL$lon, proj)
XY


[Package GEOmap version 1.0-8 Index]