func (wof WOFFeature) DumpCoords(poly []interface{}) geo.Polygon {
polygon := geo.Polygon{}
for _, icoords := range poly {
coords := icoords.([]interface{})
lon := coords[0].(float64)
lat := coords[1].(float64)
pt := geo.NewPoint(lat, lon)
polygon.Add(pt)
}
return polygon
}
func (idx *Index) WOFPolygonToPolyclip(p *geo.Polygon) (*polyclip.Polygon, error) {
poly := new(polyclip.Polygon)
contour := new(polyclip.Contour)
for _, _pt := range p.Points() {
pt := polyclip.Point{
X: _pt.Lng(),
Y: _pt.Lat(),
}
contour.Add(pt)
}
poly.Add(*contour)
return poly, nil
}