spatial

package

v0.0.0-...-17277e5 Latest Latest Go to latest Published: Jun 11, 2019 License: MIT Imports: 7 Imported by: 0

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func Search(req SearchRequest, resolve copydb.QueryResolve, reject copydb.QueryReject) func(copydb.Pool)

Search returns items by a coordinate and a radius.

type Index struct {
	*copydb.SimplePool
	// contains filtered or unexported fields
}

Index implements Geospatial index over copydb.Pool.

func NewIndex(level int, newItem func() copydb.Item) *Index

NewIndex creates the index.

type SearchRequest struct {
	Lon, Lat float64
	Radius   float64
	Limit    int
	Filter   func(copydb.Item) bool
}

SearchRequest contains parameters for nearby search.