mirror of https://github.com/tidwall/tile38.git
114 lines
3.1 KiB
Go
114 lines
3.1 KiB
Go
package buffer
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import (
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"testing"
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"github.com/tidwall/geojson"
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"github.com/tidwall/geojson/geometry"
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)
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const lineString = `{"type":"LineString","coordinates":[
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[-116.40289306640624,34.125447565116126],
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[-116.36444091796875,34.14818102254435],
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[-116.0980224609375,34.15045403191448],
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[-115.74920654296874,34.127721186043985],
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[-115.54870605468749,34.075412438417395],
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[-115.5267333984375,34.11407854333859],
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[-115.21911621093749,34.048108084909835],
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[-115.25207519531249,33.8339199536547],
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[-115.40588378906249,33.71748624018193]
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]}`
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var lineInPoints = []geometry.Point{
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{X: -115.64363479614258, Y: 34.108251327293296},
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{X: -115.54355621337892, Y: 34.07199987534163},
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{X: -115.21482467651367, Y: 34.051237154976164},
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{X: -115.4110336303711, Y: 33.715201644740844},
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{X: -116.40701293945311, Y: 34.12345809664606},
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}
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func TestBufferLineString(t *testing.T) {
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g, err := geojson.Parse(lineString, nil)
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if err != nil {
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t.Fatal(err)
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}
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g2, err := Simple(g, 1000)
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if err != nil {
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t.Fatal(err)
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}
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for _, pt := range lineInPoints {
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ok := g2.Contains(geojson.NewPoint(pt))
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if !ok {
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t.Fatalf("!ok")
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}
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}
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}
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const polygon = `{"type": "Polygon","coordinates":[
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[
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[116.46881103515624,34.277644878733824],
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[115.87280273437499,34.20953080048952],
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[115.70251464843749,34.397844946449865],
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[115.9881591796875,34.61286625296406],
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[116.46881103515624,34.277644878733824]
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],
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[
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[115.90438842773436,34.38651267795365],
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[116.05270385742188,34.35023911062779],
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[115.99914550781249,34.44655621402982],
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[115.90438842773436,34.38651267795365]
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]
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]}`
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var polyInPoints = []geometry.Point{
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{X: 115.95837593078612, Y: 34.59887847065301},
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{X: 115.98755836486816, Y: 34.61879975173954},
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{X: 115.98833084106445, Y: 34.59795999847678},
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{X: 116.04536533355714, Y: 34.58082509817638},
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{X: 116.47567749023438, Y: 34.27651009584797},
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{X: 116.42005920410155, Y: 34.32018817684490},
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{X: 116.33216857910156, Y: 34.25948651450623},
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{X: 115.89340209960939, Y: 34.24132422972854},
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{X: 115.95588684082033, Y: 34.42786803680155},
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{X: 115.97236633300783, Y: 34.42107129982385},
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{X: 115.99639892578125, Y: 34.43579686485573},
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{X: 116.04652404785155, Y: 34.35364042469895},
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{X: 115.92155456542967, Y: 34.38877925439021},
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{X: 115.96755981445311, Y: 34.37687904351907},
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{X: 115.88859558105467, Y: 34.42956713470528},
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{X: 115.97511291503906, Y: 34.36327673174518},
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{X: 115.69564819335938, Y: 34.39784494644986},
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{X: 115.87005615234375, Y: 34.20385213966983},
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{X: 115.76980590820312, Y: 34.31678550602221},
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}
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var polyOutPoints = []geometry.Point{
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{X: 115.68534851074217, Y: 34.40917568058836},
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{X: 115.98953247070312, Y: 34.63038297923298},
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{X: 115.98541259765624, Y: 34.39671178864245},
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{X: 116.31500244140626, Y: 34.22145474280257},
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{X: 115.85426330566406, Y: 34.18510984477340},
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}
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func TestBufferPolygon(t *testing.T) {
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g, err := geojson.Parse(polygon, nil)
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if err != nil {
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t.Fatal(err)
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}
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g2, err := Simple(g, 1000)
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if err != nil {
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t.Fatal(err)
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}
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for _, pt := range polyInPoints {
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ok := g2.Contains(geojson.NewPoint(pt))
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if !ok {
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t.Fatalf("!ok")
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}
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}
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for _, pt := range polyOutPoints {
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ok := g2.Contains(geojson.NewPoint(pt))
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if ok {
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t.Fatalf("ok")
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}
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}
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}
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