func parseRelationMembers(rel *osmpbf.Relation, stringtable stringTable) []element.Member {
result := make([]element.Member, len(rel.Memids))
var lastId int64
for i := range rel.Memids {
lastId += rel.Memids[i]
result[i].Id = lastId
result[i].Role = stringtable[rel.RolesSid[i]]
result[i].Type = element.MemberType(rel.Types[i])
}
return result
}
func UnmarshalRelation(data []byte) (relation *element.Relation, err error) {
pbfRelation := &Relation{}
err = proto.Unmarshal(data, pbfRelation)
if err != nil {
return nil, err
}
relation = &element.Relation{}
relation.Members = make([]element.Member, len(pbfRelation.MemberIds))
for i, _ := range pbfRelation.MemberIds {
relation.Members[i].Id = pbfRelation.MemberIds[i]
relation.Members[i].Type = element.MemberType(pbfRelation.MemberTypes[i])
relation.Members[i].Role = pbfRelation.MemberRoles[i]
}
//relation.Nodes = pbfRelation.Node
relation.Tags = tagsFromArray(pbfRelation.Tags)
return relation, nil
}