forked from mirror/rtred
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@ -1,9 +1,9 @@
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**This project has been archived, please use [tidwall/rtree](https://github.com/tidwall/rtree) instead.**
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**This project has been archived, please use [tidwall/rtree](https://git.internal/re/rtree) instead.**
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RTree implementation for Go
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===========================
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[![GoDoc](https://godoc.org/github.com/tidwall/rtred?status.svg)](https://godoc.org/github.com/tidwall/rtred)
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[![GoDoc](https://godoc.org/git.internal/re/rtred?status.svg)](https://godoc.org/git.internal/re/rtred)
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This package provides an in-memory R-Tree implementation for Go, useful as a spatial data structure.
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It has support for 1-20 dimensions, and can store and search multidimensions interchangably in the same tree.
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@ -1,7 +1,7 @@
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package base
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import (
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"github.com/tidwall/tinyqueue"
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"git.internal/re/tinyqueue"
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)
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type queueItem struct {
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4
go.mod
4
go.mod
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@ -1,5 +1,5 @@
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module github.com/tidwall/rtred
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module git.internal/re/rtred
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go 1.15
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require github.com/tidwall/tinyqueue v0.1.1
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require git.internal/re/tinyqueue v0.1.3
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4
go.sum
4
go.sum
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@ -1,2 +1,2 @@
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github.com/tidwall/tinyqueue v0.1.1 h1:SpNEvEggbpyN5DIReaJ2/1ndroY8iyEGxPYxoSaymYE=
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github.com/tidwall/tinyqueue v0.1.1/go.mod h1:O/QNHwrnjqr6IHItYrzoHAKYhBkLI67Q096fQP5zMYw=
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git.internal/re/tinyqueue v0.1.3 h1:4EKqZhzHLgoE7qp3+Jy4fLTJ+VXYdnREYiErcW6/Tds=
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git.internal/re/tinyqueue v0.1.3/go.mod h1:xwfmZ1Jo/JI0eXLc78eGZv+kEtJipgyui683yVTh7fc=
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16
rtree.go
16
rtree.go
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@ -4,13 +4,15 @@ import (
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"math"
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"sync"
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"github.com/tidwall/rtred/base"
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"git.internal/re/rtred/base"
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)
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type Iterator func(item Item) bool
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type Item interface {
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Rect(ctx interface{}) (min []float64, max []float64)
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}
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type (
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Iterator func(item Item) bool
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Item interface {
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Rect(ctx interface{}) (min []float64, max []float64)
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}
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)
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type RTree struct {
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dims int
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@ -85,12 +87,14 @@ func (tr *RTree) Remove(item Item) {
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tr.used--
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}
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}
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func (tr *RTree) Reset() {
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for i := 0; i < len(tr.trs); i++ {
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tr.trs[i] = nil
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}
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tr.used = 0
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}
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func (tr *RTree) Count() int {
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var count int
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for _, btr := range tr.trs {
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@ -127,6 +131,7 @@ func (tr *RTree) Search(bounds Item, iter Iterator) {
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}
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}
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}
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func search(btr *base.RTree, min, max []float64, dims int, iter Iterator) bool {
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amin := make([]float64, dims)
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amax := make([]float64, dims)
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@ -254,6 +259,7 @@ func (tr *RTree) KNN(bounds Item, center bool, iter func(item Item, dist float64
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}
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mu.Unlock()
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}
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func knn(btr *base.RTree, min, max []float64, center bool, dims int, iter func(item interface{}, dist float64) bool) bool {
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amin := make([]float64, dims)
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amax := make([]float64, dims)
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