Reading a
KML
file with Google Maps JavaScript API
Version 3
and
geoxml3
.
reverse Polygon
hide
unhide
load kmlLayer
hide kmlLayer
show kmlLayer
Placemark
Polygon
outerBoundaryIs
Calculating the area and centroid of a polygon
On Wayback Machine/internet archive
(original link dead:
Determining whether or not a polygon (2D) has its vertices ordered clockwise or counterclockwise
)