mirror of
https://github.com/omniscale/imposm3.git
synced 2026-04-26 10:07:51 +02:00
38 lines
849 B
Go
38 lines
849 B
Go
package expire
|
|
|
|
import (
|
|
osm "github.com/omniscale/go-osm"
|
|
"github.com/omniscale/imposm3/proj"
|
|
)
|
|
|
|
type Expireor interface {
|
|
Expire(long, lat float64)
|
|
ExpireNodes(nodes []osm.Node, closed bool)
|
|
}
|
|
|
|
func ExpireProjectedNodes(expireor Expireor, nodes []osm.Node, srid int, closed bool) {
|
|
switch srid {
|
|
case 4326:
|
|
expireor.ExpireNodes(nodes, closed)
|
|
case 3857:
|
|
nds := make([]osm.Node, len(nodes))
|
|
for i, nd := range nodes {
|
|
nds[i].Long, nds[i].Lat = proj.MercToWgs(nd.Long, nd.Lat)
|
|
}
|
|
expireor.ExpireNodes(nds, closed)
|
|
default:
|
|
panic("unsupported srid")
|
|
}
|
|
}
|
|
|
|
func ExpireProjectedNode(expireor Expireor, node osm.Node, srid int) {
|
|
switch srid {
|
|
case 4326:
|
|
expireor.Expire(node.Long, node.Lat)
|
|
case 3857:
|
|
long, lat := proj.MercToWgs(node.Long, node.Lat)
|
|
expireor.Expire(long, lat)
|
|
default:
|
|
panic("unsupported srid")
|
|
}
|
|
}
|