nepacLL {PBSmapping} | R Documentation |
PolySet of polygons for the northeast Pacific Ocean shoreline.
data(nepacLL)
Data frame consisting of 4 columns: PID
= primary polygon ID,
POS
= position of each vertex within a given polygon, X
= longitude coordinate, and Y
= latitude coordinate. Attributes:
projection = "LL"
.
In R, the data must be loaded using the data
function.
Polygon data from the GSHHS (Global Self-consistent, Hierarchical,
High-resolution Shoreline) database gshhs_h.b
.
Download from http://www.soest.hawaii.edu/wessel/gshhs/gshhs.html
nepacLL <-importGSHHS("gshhs_h.b", xlim=c(-190,-110), ylim=c(34,72), level=1, n=15, xoff=-360)
Wessel, P. and Smith, W.H.F. (1996) A global, self-consistent,
hierarchical, high-resolution shoreline database. Journal of
Geophysical Research 101, 8741–8743.
http://www.soest.hawaii.edu/pwessel/pwessel_pubs.html
Data: nepacLLhigh
, worldLL
, worldLLhigh
, bcBathymetry
importGSHHS
, addPolys
, clipPolys
,
plotPolys
, plotMap
, thickenPolys
,
thinPolys