addTIX {GEOmap} | R Documentation |
Add Tic marks to map
Description
Add Tic marks to map
Usage
addTIX(lats, lons, PROJ = list(), PMAT = NULL,
col = gray(0.7), TICS = c(1, 1), OUTER = TRUE,
sides = c(1, 2, 3, 4))
Arguments
lats |
Latitudes in Degrees |
lons |
Longitude in Degrees |
PROJ |
Map Projection list |
PMAT |
Perspective matrix conversion |
col |
color |
TICS |
tic labels |
OUTER |
logical |
sides |
sides, 1,2,3,4 |
Details
attempts to make correct default values
Value
Graphical Side Effects
Author(s)
Jonathan M. Lees<jonathan.lees.edu>
See Also
addLLXY
Examples
##########3 this program is run internally
PLOC=list(LON=c(137.008, 141.000),
LAT=c(34.000, 36.992),
x=c(137.008, 141.000),
y=c(34.000, 36.992))
PROJ = setPROJ(type=2, LAT0=mean(PLOC$y) , LON0=mean(PLOC$x) )
gxy = GLOB.XY(PLOC$LAT, PLOC$LON, PROJ)
PLAT = pretty(PLOC$LAT)
PLAT = c(min(PLOC$LAT),PLAT[PLAT>min(PLOC$LAT)&PLAT<max(PLOC$LAT)],max(PLOC$LAT))
PLON = pretty(PLOC$LON)
PLON = c(min(PLOC$LON), PLON[PLON>min(PLOC$LON)&PLON<max(PLOC$LON)], max(PLOC$LON))
plot(gxy$x, gxy$y, asp=TRUE)
addTIX(PLAT, PLON, PMAT=NULL, col='red', TICS=c(.1,.1), PROJ=PROJ)
[Package GEOmap version 2.5-11 Index]