DOTOPOMAPI {GEOmap}R Documentation

Do Interactive world Topography

Description

Interactive selction and plotting of world topography

Usage

DOTOPOMAPI(TOPO = TOPO, themap = NULL, shiftlon = 0, ALOC = NULL, DOCONT = TRUE, DOIMG = TRUE, PNTS = NULL, PCOL = "red", PCH = 1, PCEX = 1, PS = FALSE, MAPPATH = NULL, polybase = NULL, USAmap = NULL, usacity = NULL, worldcity = NULL)

Arguments

TOPO Topographic structure
themap Map structure
shiftlon rotation of map in Longitude
ALOC previously set target
DOCONT logical, TRUE=add contour
DOIMG logical, TRUE=add contour
PNTS Plot set of points on map
PCOL color palette
PCH plotting character
PCEX character expansion
PS logical, TRUE=make postscript
MAPPATH path to map data base files
polybase polygon structure for continents
USAmap USA detailed map structure
usacity list of USA cities with population
worldcity list of world cities

Details

Should select a small section of the map or the program will take a long time to interpolate.

Value

Interactive Graphics side effect

Note

The program uses akima to interpolate so if there are a very large number of points this will take a long time. Recommend using this for smaller geographic regions. This program is an RPMG GUI driver for BASICTOPOMAP

Author(s)

Jonathan M. Lees<jonathan.lees.edu>

See Also

BASICTOPOMAP, RPMG

Examples

library(geomapdata)
data(worldmap)
data(ETOPO5)

## Not run: 
###  this is in interactive mode with plotworldmap:
DOTOPOMAPI(TOPO=ETOPO5, themap=worldmap, shiftlon=180)

## End(Not run)

##  select a small region,  like the boot heel of italy

###########  italy:
Alocat = list(
lon=c(11.55842, 18.92308),
lat=c(35.71026, 47.05730),
LON=c(11.55842, 18.92308),
LAT=c(35.71026, 47.05730),
utmbox=list(x=32, y="S", lon=6,lat=32), 
x=c(191.5584, 198.9231),
y=c(35.71026, 47.05730),
UTM0=list(lam=9,phi=36),
shiftlon=180)

DOTOPOMAPI(TOPO=ETOPO5, themap=worldmap, ALOC=Alocat, shiftlon=180)



[Package GEOmap version 1.4-0 Index]