forked from MapComplete/MapComplete
87 lines
3.5 KiB
TypeScript
87 lines
3.5 KiB
TypeScript
import { GeoOperations } from "../../src/Logic/GeoOperations"
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import { Feature, LineString, Polygon } from "geojson"
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import { describe, expect, it } from "vitest"
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describe("GeoOperations", () => {
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describe("clipWith", () => {
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it("clipWith should clip linestrings", () => {
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const bbox: Feature<Polygon> = {
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type: "Feature",
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properties: {},
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geometry: {
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coordinates: [
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[
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[3.218560377159008, 51.21600586532159],
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[3.218560377159008, 51.21499687768525],
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[3.2207456783268356, 51.21499687768525],
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[3.2207456783268356, 51.21600586532159],
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[3.218560377159008, 51.21600586532159],
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],
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],
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type: "Polygon",
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},
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}
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const line: Feature<LineString> = {
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type: "Feature",
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properties: {},
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geometry: {
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coordinates: [
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[3.218405371672816, 51.21499091846559],
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[3.2208408127450525, 51.21560173433727],
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],
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type: "LineString",
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},
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}
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const result = GeoOperations.clipWith(line, bbox)
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expect(result.length).to.equal(1)
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expect(result[0].geometry.type).to.eq("LineString")
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const clippedLine = (<Feature<LineString>>result[0]).geometry.coordinates
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const expCoordinates = [
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[3.2185604, 51.215029800031594],
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[3.2207457, 51.21557787977764],
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]
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expect(clippedLine).to.deep.equal(expCoordinates)
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})
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it("clipWith should contain the full feature if it is fully contained", () => {
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const bbox: Feature<Polygon> = {
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type: "Feature",
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properties: {},
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geometry: {
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coordinates: [
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[
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[2.1541744759711037, 51.73994420687188],
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[2.1541744759711037, 50.31129074222787],
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[4.53247037641421, 50.31129074222787],
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[4.53247037641421, 51.73994420687188],
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[2.1541744759711037, 51.73994420687188],
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],
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],
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type: "Polygon",
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},
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}
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const content: Feature<Polygon> = {
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type: "Feature",
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properties: {},
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geometry: {
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coordinates: [
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[
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[2.8900597545854225, 50.9035099487991],
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[3.4872999807053873, 50.74856284865993],
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[3.9512276563531543, 50.947206170675486],
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[3.897902636163167, 51.25526892606362],
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[3.188679867646016, 51.24525576870511],
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[2.8900597545854225, 50.9035099487991],
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],
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],
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type: "Polygon",
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},
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}
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const clipped = GeoOperations.clipWith(content, bbox)
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expect(clipped.length).to.equal(1)
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const clippedReverse = GeoOperations.clipWith(bbox, content)
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expect(clippedReverse.length).to.equal(1)
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})
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})
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})
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