92 lines
1.7 KiB
Go
92 lines
1.7 KiB
Go
package element
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import (
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"sort"
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"github.com/omniscale/imposm3/geom/geos"
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)
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type Tags map[string]string
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type OSMElem struct {
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Id int64 `json:"-"`
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Tags Tags `json:"tags,omitempty"`
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Geom *Geometry `json:"-"`
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}
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type Node struct {
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OSMElem
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Lat float64 `json:"lat"`
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Long float64 `json:"lon"`
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}
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type Way struct {
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OSMElem
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Refs []int64 `json:"refs"`
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Nodes []Node `json:"nodes,omitempty"`
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}
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type Geometry struct {
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Geom *geos.Geom
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Wkb []byte
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}
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func (w *Way) IsClosed() bool {
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return len(w.Refs) >= 4 && w.Refs[0] == w.Refs[len(w.Refs)-1]
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}
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type MemberType int
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const (
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NODE MemberType = 0
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WAY = 1
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RELATION = 2
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)
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var MemberTypeValues = map[string]MemberType{
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"node": NODE,
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"way": WAY,
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"relation": RELATION,
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}
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type Member struct {
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Id int64 `json:"id"`
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Type MemberType `json:"type"`
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Role string `json:"role"`
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Way *Way `json:"-"`
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}
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type Relation struct {
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OSMElem
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Members []Member `json:"members"`
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}
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type IdRefs struct {
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Id int64
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Refs []int64
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}
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func (idRefs *IdRefs) Add(ref int64) {
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i := sort.Search(len(idRefs.Refs), func(i int) bool {
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return idRefs.Refs[i] >= ref
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})
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if i < len(idRefs.Refs) && idRefs.Refs[i] >= ref {
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if idRefs.Refs[i] > ref {
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idRefs.Refs = append(idRefs.Refs, 0)
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copy(idRefs.Refs[i+1:], idRefs.Refs[i:])
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idRefs.Refs[i] = ref
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} // else already inserted
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} else {
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idRefs.Refs = append(idRefs.Refs, ref)
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}
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}
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func (idRefs *IdRefs) Delete(ref int64) {
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i := sort.Search(len(idRefs.Refs), func(i int) bool {
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return idRefs.Refs[i] >= ref
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})
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if i < len(idRefs.Refs) && idRefs.Refs[i] == ref {
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idRefs.Refs = append(idRefs.Refs[:i], idRefs.Refs[i+1:]...)
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}
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}
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