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api_envelope3d.test.ts
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api_envelope3d.test.ts
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/* eslint no-new: 0 */
import { assert } from 'chai'
import * as gdal from 'gdal-async'
describe('gdal.Envelope3D', () => {
afterEach(global.gc!)
it('should be instantiable', () => {
new gdal.Envelope3D()
})
describe('instance', () => {
it('should have "minX" property', () => {
const envelope = new gdal.Envelope3D({
minX: 5,
maxX: 0,
minY: 0,
maxY: 0,
minZ: 0,
maxZ: 0
})
assert.equal(envelope.minX, 5)
})
it('should have "maxX" property', () => {
const envelope = new gdal.Envelope3D({
minX: 0,
maxX: 5,
minY: 0,
maxY: 0,
minZ: 0,
maxZ: 0
})
assert.equal(envelope.maxX, 5)
})
it('should have "minY" property', () => {
const envelope = new gdal.Envelope3D({
minX: 0,
maxX: 0,
minY: 5,
maxY: 0,
minZ: 0,
maxZ: 0
})
assert.equal(envelope.minY, 5)
})
it('should have "maxY" property', () => {
const envelope = new gdal.Envelope3D({
minX: 0,
maxX: 0,
minY: 0,
maxY: 5,
minZ: 0,
maxZ: 0
})
assert.equal(envelope.maxY, 5)
})
it('should have "minZ" property', () => {
const envelope = new gdal.Envelope3D({
minX: 0,
maxX: 0,
minY: 0,
maxY: 0,
minZ: 5,
maxZ: 0
})
assert.equal(envelope.minZ, 5)
})
it('should have "maxZ" property', () => {
const envelope = new gdal.Envelope3D({
minX: 0,
maxX: 0,
minY: 0,
maxY: 0,
minZ: 0,
maxZ: 5
})
assert.equal(envelope.maxZ, 5)
})
describe('isEmpty()', () => {
it('should return true when all components zero', () => {
const envelope = new gdal.Envelope3D()
assert.isTrue(envelope.isEmpty())
})
it('should return false when a component is non-zero', () => {
const envelope = new gdal.Envelope3D({
minX: 0,
maxX: 0,
minY: 0,
maxY: 0,
minZ: 10,
maxZ: 20
})
assert.isFalse(envelope.isEmpty())
})
})
describe('getEnvelope3D', () => {
it('should return the 3D envelope', () => {
const ring = new gdal.LinearRing()
ring.points.add({ x: 0, y: 0, z: 0 })
ring.points.add({ x: 10, y: 0, z: 0 })
ring.points.add({ x: 10, y: 10, z: 10 })
ring.points.add({ x: 0, y: 10, z: 10 })
ring.closeRings()
const square = new gdal.Polygon()
square.rings.add(ring)
const envelope = square.getEnvelope3D()
assert.propertyVal(envelope, 'minX', 0)
assert.propertyVal(envelope, 'maxX', 10)
assert.propertyVal(envelope, 'minY', 0)
assert.propertyVal(envelope, 'maxY', 10)
assert.propertyVal(envelope, 'minZ', 0)
assert.propertyVal(envelope, 'maxZ', 10)
})
})
describe('getEnvelope3DAsync', () => {
it('should return the 3D envelope', () => {
const ring = new gdal.LinearRing()
ring.points.add({ x: 0, y: 0, z: 0 })
ring.points.add({ x: 10, y: 0, z: 0 })
ring.points.add({ x: 10, y: 10, z: 10 })
ring.points.add({ x: 0, y: 10, z: 10 })
ring.closeRings()
const square = new gdal.Polygon()
square.rings.add(ring)
const envelope = square.getEnvelope3DAsync()
return assert.isFulfilled(Promise.all([ assert.eventually.propertyVal(envelope, 'minX', 0),
assert.eventually.propertyVal(envelope, 'maxX', 10),
assert.eventually.propertyVal(envelope, 'minY', 0),
assert.eventually.propertyVal(envelope, 'maxY', 10),
assert.eventually.propertyVal(envelope, 'minZ', 0),
assert.eventually.propertyVal(envelope, 'maxZ', 10) ]))
})
})
describe('merge()', () => {
describe('w/x,y,z arguments', () => {
it('should expand envelope', () => {
const envelope = new gdal.Envelope3D({
minX: -1,
maxX: 1,
minY: -2,
maxY: 2,
minZ: 0,
maxZ: 1
})
envelope.merge(2, 3, 5)
assert.equal(envelope.minX, -1)
assert.equal(envelope.minY, -2)
assert.equal(envelope.minZ, 0)
assert.equal(envelope.maxX, 2)
assert.equal(envelope.maxY, 3)
assert.equal(envelope.maxZ, 5)
})
})
describe('w/envelope argument', () => {
it('should expand envelope', () => {
const envelopeA = new gdal.Envelope3D({
minX: -1,
maxX: 1,
minY: -2,
maxY: 2,
minZ: 0,
maxZ: 1
})
const envelopeB = new gdal.Envelope3D({
minX: -2,
maxX: 10,
minY: -1,
maxY: 1,
minZ: -1,
maxZ: 2
})
envelopeA.merge(envelopeB)
assert.equal(envelopeA.minX, -2)
assert.equal(envelopeA.minY, -2)
assert.equal(envelopeA.minZ, -1)
assert.equal(envelopeA.maxX, 10)
assert.equal(envelopeA.maxY, 2)
assert.equal(envelopeA.maxZ, 2)
})
})
})
describe('intersects()', () => {
it('should determine if envelopes touch', () => {
const envelopeA = new gdal.Envelope3D({
minX: 1,
maxX: 2,
minY: 1,
maxY: 2,
minZ: 0,
maxZ: 1
})
const envelopeB = new gdal.Envelope3D({
minX: 2,
maxX: 4,
minY: 1,
maxY: 2,
minZ: 0.5,
maxZ: 2
})
const envelopeC = new gdal.Envelope3D({
minX: 1,
maxX: 2,
minY: 1,
maxY: 2,
minZ: 2,
maxZ: 3
})
assert.isTrue(envelopeA.intersects(envelopeB))
assert.isFalse(envelopeA.intersects(envelopeC))
})
})
describe('contains()', () => {
it('should determine if it fully contains the other envelope', () => {
const envelopeA = new gdal.Envelope3D({
minX: -10,
maxX: 10,
minY: -10,
maxY: 10,
minZ: -10,
maxZ: 10
})
const envelopeB = new gdal.Envelope3D({
minX: -1,
maxX: 1,
minY: -1,
maxY: 1,
minZ: -1,
maxZ: 1
})
const envelopeC = new gdal.Envelope3D({
minX: -1,
maxX: 1,
minY: -1,
maxY: 1,
minZ: -20,
maxZ: 1
})
assert.isTrue(envelopeA.contains(envelopeB))
assert.isFalse(envelopeA.contains(envelopeC))
})
})
describe('intersect()', () => {
it("should yield empty envelope if the two don't intersect", () => {
const envelopeA = new gdal.Envelope3D({
minX: 1,
maxX: 2,
minY: 1,
maxY: 2,
minZ: -10,
maxZ: 10
})
const envelopeC = new gdal.Envelope3D({
minX: 10,
maxX: 20,
minY: 10,
maxY: 20,
minZ: -1,
maxZ: 2
})
envelopeA.intersect(envelopeC)
assert.equal(envelopeA.minX, 0)
assert.equal(envelopeA.maxX, 0)
assert.equal(envelopeA.minY, 0)
assert.equal(envelopeA.maxY, 0)
})
it('should yield other envelope if current envelope is empty and other envelope intersects 0,0,0', () => {
const envelopeA = new gdal.Envelope3D()
const envelopeC = new gdal.Envelope3D({
minX: -10,
maxX: 20,
minY: -10,
maxY: 20,
minZ: -10,
maxZ: 20
})
envelopeA.intersect(envelopeC)
assert.equal(envelopeA.minX, -10)
assert.equal(envelopeA.maxX, 20)
assert.equal(envelopeA.minY, -10)
assert.equal(envelopeA.maxY, 20)
assert.equal(envelopeA.minZ, -10)
assert.equal(envelopeA.maxZ, 20)
})
it('should otherwise yield intersection', () => {
const envelopeA = new gdal.Envelope3D({
minX: -10,
maxX: 10,
minY: -10,
maxY: 10,
minZ: -10,
maxZ: 10
})
const envelopeB = new gdal.Envelope3D({
minX: -2,
maxX: 12,
minY: -1,
maxY: 1,
minZ: -2,
maxZ: 2
})
envelopeA.intersect(envelopeB)
assert.equal(envelopeA.minX, -2)
assert.equal(envelopeA.maxX, 10)
assert.equal(envelopeA.minY, -1)
assert.equal(envelopeA.maxY, 1)
assert.equal(envelopeA.minZ, -2)
assert.equal(envelopeA.maxZ, 2)
})
})
})
})