forked from MapComplete/MapComplete
120 lines
4.7 KiB
TypeScript
120 lines
4.7 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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[
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2.1541744759711037,
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51.73994420687188
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],
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[
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2.1541744759711037,
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50.31129074222787
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],
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[
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4.53247037641421,
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50.31129074222787
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],
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[
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4.53247037641421,
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51.73994420687188
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],
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[
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2.1541744759711037,
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51.73994420687188
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]
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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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[
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2.8900597545854225,
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50.9035099487991
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],
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[
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3.4872999807053873,
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50.74856284865993
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],
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[
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3.9512276563531543,
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50.947206170675486
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],
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[
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3.897902636163167,
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51.25526892606362
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],
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[
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3.188679867646016,
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51.24525576870511
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], [
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2.8900597545854225,
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50.9035099487991
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]
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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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})
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