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距离计算

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zh
2025-07-15 10:37:23 +08:00
parent 040049236d
commit 12fcb9fed7
14 changed files with 73 additions and 70 deletions
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12
src/Draw/drawCircle.js
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@ -49,7 +49,7 @@ export default class DrawCircle extends Draw {
if (clickNum === 2) {
radius_points = cache_points.concat(cartesian)
endpoint = this.cartesian3Towgs84(cartesian, this.viewer)
radius = this.computeDistance([center, endpoint])
radius = this.computeDistance2([center, endpoint])
positions = this.createCircle(center, radius)
this.end()
cb(null, { center, radius: Number(radius) })
@ -74,7 +74,7 @@ export default class DrawCircle extends Draw {
if (clickNum) {
radius_points = cache_points.concat(cartesian)
endpoint = this.cartesian3Towgs84(cartesian, this.viewer)
radius = this.computeDistance([center, endpoint])
radius = this.computeDistance2([center, endpoint])
positions = this.createCircle(center, radius)
}
@ -108,7 +108,7 @@ export default class DrawCircle extends Draw {
if (clickNum === 2) {
radius_points = cache_points.concat(cartesian)
endpoint = this.cartesian3Towgs84(cartesian, this.viewer)
radius = this.computeDistance([center, endpoint])
radius = this.computeDistance2([center, endpoint])
positions = this.createCircle(center, radius)
this.end()
cb(null, { center, radius: Number(radius) })
@ -136,7 +136,7 @@ export default class DrawCircle extends Draw {
if (clickNum === 2) {
radius_points = cache_points.concat(cartesian)
endpoint = this.cartesian3Towgs84(cartesian, this.viewer)
radius = this.computeDistance([center, endpoint])
radius = this.computeDistance2([center, endpoint])
positions = this.createCircle(center, radius)
this.end()
cb(null, { center, radius: Number(radius) })
@ -161,7 +161,7 @@ export default class DrawCircle extends Draw {
if (clickNum) {
radius_points = cache_points.concat(cartesian)
endpoint = this.cartesian3Towgs84(cartesian, this.viewer)
radius = this.computeDistance([center, endpoint])
radius = this.computeDistance2([center, endpoint])
positions = this.createCircle(center, radius)
}
@ -195,7 +195,7 @@ export default class DrawCircle extends Draw {
if (clickNum === 2) {
radius_points = cache_points.concat(cartesian)
endpoint = this.cartesian3Towgs84(cartesian, this.viewer)
radius = this.computeDistance([center, endpoint])
radius = this.computeDistance2([center, endpoint])
positions = this.createCircle(center, radius)
this.end()
cb(null, { center, radius: Number(radius) })

8
src/Measure/MeasureDistance/index.js
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@ -48,7 +48,7 @@ class MeasureDistance extends Measure {
}
async computeDisByTowPoint(p1, p2) {
let d = this.computeDistance([p1, p2])
let d = this.computeDistance2([p1, p2])
let meters = 10
let createLabel = (distance) => {
if(this._isDestroy) {
@ -80,7 +80,7 @@ class MeasureDistance extends Measure {
let l = arr.length - 1
arr.forEach((item, index) => {
if (index !== l) {
let d1 = this.computeDistance([item.position, arr[index + 1].position])
let d1 = this.computeDistance2([item.position, arr[index + 1].position])
let d2 = Math.abs(item.position.alt - arr[index + 1].position.alt)
let d3 = Math.sqrt(d1 * d1 + d2 * d2)
total_length += d3
@ -131,7 +131,7 @@ class MeasureDistance extends Measure {
let l = this.clampPositions.length - 1
this.clampPositions.forEach((item, index) => {
if (index !== l) {
let d1 = this.computeDistance([item.position, this.clampPositions[index + 1].position])
let d1 = this.computeDistance2([item.position, this.clampPositions[index + 1].position])
let d2 = Math.abs(item.position.alt - this.clampPositions[index + 1].position.alt)
let d3 = Math.sqrt(d1 * d1 + d2 * d2)
total_length += d3
@ -270,7 +270,7 @@ class MeasureDistance extends Measure {
// if (this.cachePositions.length) {
// let cur_point = this.cartesian3Towgs84(car, this.viewer)
// let pre_p = this.cartesian3Towgs84(this.cachePositions[this.cachePositions.length - 1], this.viewer)
// let cur_len = this.computeDistance([cur_point, pre_p])
// let cur_len = this.computeDistance2([cur_point, pre_p])
// let text = "当前投影距离：" + cur_len + " 米"
// // this.tip.set_text(text)
// }

12
src/Measure/MeasureDistance/index2.js
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@ -47,7 +47,7 @@ class MeasureDistance extends Measure {
}
async computeDisByTowPoint(p1, p2) {
let d = this.computeDistance([p1, p2])
let d = this.computeDistance2([p1, p2])
let meters = 10
let createLabel = (distance) => {
let label = this.getLabel("贴地距离：" + distance.toFixed(2) + "米")
@ -84,7 +84,7 @@ class MeasureDistance extends Measure {
let l = arr.length - 1
arr.forEach((item, index) => {
if (index !== l) {
let d1 = this.computeDistance([item.position, arr[index + 1].position])
let d1 = this.computeDistance2([item.position, arr[index + 1].position])
let d2 = Math.abs(item.position.alt - arr[index + 1].position.alt)
let d3 = Math.sqrt(d1 * d1 + d2 * d2)
total_length += d3
@ -135,7 +135,7 @@ class MeasureDistance extends Measure {
let l = this.clampPositions.length - 1
this.clampPositions.forEach((item, index) => {
if (index !== l) {
let d1 = this.computeDistance([item.position, this.clampPositions[index + 1].position])
let d1 = this.computeDistance2([item.position, this.clampPositions[index + 1].position])
let d2 = Math.abs(item.position.alt - this.clampPositions[index + 1].position.alt)
let d3 = Math.sqrt(d1 * d1 + d2 * d2)
total_length += d3
@ -231,7 +231,7 @@ class MeasureDistance extends Measure {
if (this.ids.length !== 0) {
let cur_point = this.cartesian3Towgs84(car, this.viewer)
let pre_p = this.cartesian3Towgs84(this.cachePositions[this.cachePositions.length - 1], this.viewer)
let cur_len = this.computeDistance([cur_point, pre_p])
let cur_len = this.computeDistance2([cur_point, pre_p])
let text = "投影距离：" + cur_len + " 米"
this.ids.push(MeasureDistance.create_point(car, {label: this.getLabel(text)}, this))
this.cachePositions.push(car)
@ -250,7 +250,7 @@ class MeasureDistance extends Measure {
if (this.cachePositions.length) {
let cur_point = this.cartesian3Towgs84(car, this.viewer)
let pre_p = this.cartesian3Towgs84(this.cachePositions[this.cachePositions.length - 1], this.viewer)
let cur_len = this.computeDistance([cur_point, pre_p])
let cur_len = this.computeDistance2([cur_point, pre_p])
let text = "当前投影距离：" + cur_len + " 米"
this.tip.set_text(text)
}
@ -280,7 +280,7 @@ class MeasureDistance extends Measure {
}
computeAngle(start, end) {
let d1 = this.computeDistance([start, end])
let d1 = this.computeDistance2([start, end])
let d2 = Math.abs(start.alt - end.alt)
let d3 = Math.sqrt(d1 * d1 + d2 * d2)
let cosAlpha = d1 / d3

4
src/Measure/MeasureHeight/index.js
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@ -128,7 +128,7 @@ class MeasureHeight extends Measure {
this.positions[1] = Cesium.Cartesian3.fromDegrees(this.firstpoint.lng, this.firstpoint.lat, cur_point.alt)
this.positions[2] = cartesian
this.position = this.positions[1]
this.circleRadius = this.computeDistance([this.firstpoint, cur_point])
this.circleRadius = this.computeDistance2([this.firstpoint, cur_point])
this.height = Number((cur_point.alt - this.firstpoint.alt).toFixed(2))
this.text = "相对高度：" + this.height + " 米"
this.tip.set_text("左键完成，右键取消；半径：" + this.circleRadius + " 米")
@ -145,7 +145,7 @@ class MeasureHeight extends Measure {
this.positions[1] = Cesium.Cartesian3.fromDegrees(this.firstpoint.lng, this.firstpoint.lat, cur_point.alt)
this.positions[2] = cartesian
this.position = this.positions[1]
this.circleRadius = this.computeDistance([this.firstpoint, cur_point])
this.circleRadius = this.computeDistance2([this.firstpoint, cur_point])
this.height = Number((cur_point.alt - this.firstpoint.alt).toFixed(2))
this.text = "相对高度：" + this.height + " 米"
this.tip.set_text("左键完成，右键取消；半径：" + this.circleRadius + " 米")

6
src/Measure/MeasureProjectionDistance/index.js
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@ -73,7 +73,7 @@ class MeasureProjectionDistance extends Measure {
let l = this.clampPositions.length - 1
this.clampPositions.forEach((item, index) => {
if (index !== l) {
let d1 = this.computeDistance([item.position, this.clampPositions[index + 1].position])
let d1 = this.computeDistance2([item.position, this.clampPositions[index + 1].position])
let d2 = Math.abs(item.position.alt - this.clampPositions[index + 1].position.alt)
let d3 = Math.sqrt(d1 * d1 + d2 * d2)
total_length += d3
@ -174,7 +174,7 @@ class MeasureProjectionDistance extends Measure {
if (this.ids.length !== 0) {
let cur_point = this.cartesian3Towgs84(car, this.viewer)
let pre_p = this.cartesian3Towgs84(this.cachePositions[this.cachePositions.length - 1], this.viewer)
let cur_len = this.computeDistance([cur_point, pre_p])
let cur_len = this.computeDistance2([cur_point, pre_p])
let text = "投影距离：" + cur_len + " 米"
this.ids.push(MeasureProjectionDistance.create_point(car, {label: this.getLabel(text)}, this))
this.cachePositions.push(car)
@ -215,7 +215,7 @@ class MeasureProjectionDistance extends Measure {
if (this.cachePositions.length) {
let cur_point = this.cartesian3Towgs84(car, this.viewer)
let pre_p = this.cartesian3Towgs84(this.cachePositions[this.cachePositions.length - 1], this.viewer)
let cur_len = this.computeDistance([cur_point, pre_p])
let cur_len = this.computeDistance2([cur_point, pre_p])
let text = "当前投影距离：" + cur_len + " 米"
this.tip.set_text(text)
}

6
src/Measure/MeasureSlopeDistance/index.js
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@ -75,7 +75,7 @@ class MeasureSlopeDistance extends Measure {
let l = this.clampPositions.length - 1
this.clampPositions.forEach((item, index) => {
if (index !== l) {
let d1 = this.computeDistance([item.position, this.clampPositions[index + 1].position])
let d1 = this.computeDistance2([item.position, this.clampPositions[index + 1].position])
let d2 = Math.abs(item.position.alt - this.clampPositions[index + 1].position.alt)
let d3 = Math.sqrt(d1 * d1 + d2 * d2)
total_length += d3
@ -235,7 +235,7 @@ class MeasureSlopeDistance extends Measure {
if (this.cachePositions.length) {
let cur_point = this.cartesian3Towgs84(cartesian, this.viewer)
let pre_p = this.cartesian3Towgs84(this.cachePositions[this.cachePositions.length - 1], this.viewer)
let d1 = this.computeDistance([pre_p, cur_point])
let d1 = this.computeDistance2([pre_p, cur_point])
let d2 = Math.abs(pre_p.alt - cur_point.alt)
let d3 = Math.sqrt(d1 * d1 + d2 * d2)
let cosAlpha = d1 / d3
@ -276,7 +276,7 @@ class MeasureSlopeDistance extends Measure {
}
computeAngle(start, end) {
let d1 = this.computeDistance([start, end])
let d1 = this.computeDistance2([start, end])
let d2 = Math.abs(start.alt - end.alt)
let d3 = Math.sqrt(d1 * d1 + d2 * d2)
let cosAlpha = d1 / d3

6
src/Measure/MeasureTriangle/index.js
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@ -27,7 +27,7 @@ class MeasureTriangle extends Measure {
cal_distance(positions) {
let p1 = this.cartesian3Towgs84(positions[0], this.viewer)
let p2 = this.cartesian3Towgs84(positions[1], this.viewer)
let dis = this.computeDistance([p1, p2])
let dis = this.computeDistance2([p1, p2])
p1.alt = p1.alt.toFixed(2)
p2.alt = p2.alt.toFixed(2)
if (p1.alt === p2.alt) {//水平边
@ -128,10 +128,10 @@ class MeasureTriangle extends Measure {
let positions2 = this.id_map.get(id2).positions
let p1 = this.cartesian3Towgs84(positions1[0], this.viewer)
let p2 = this.cartesian3Towgs84(positions1[1], this.viewer)
let shuiping = this.computeDistance([p2, p1])
let shuiping = this.computeDistance2([p2, p1])
let p3 = this.cartesian3Towgs84(positions2[0], this.viewer)
let p4 = this.cartesian3Towgs84(positions2[1], this.viewer)
let d = this.computeDistance([p3, p4])
let d = this.computeDistance2([p3, p4])
let h = Math.abs(p3.alt - p4.alt)
let x = Math.sqrt(Math.pow(h, 2) + Math.pow(d, 2))
if (shuiping == 0.00) {

4
src/Obj/Base/CircleObject/index.js
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@ -1878,7 +1878,7 @@ class CircleObject extends Base {
entity = null
}
endpoint = that.cartesian3Towgs84(cartesian, that.viewer)
let radius = that.computeDistance([that.options.center, endpoint])
let radius = that.computeDistance2([that.options.center, endpoint])
that.radius = radius
YJ.Measure.SetMeasureStatus(false)
@ -1904,7 +1904,7 @@ class CircleObject extends Base {
that.event.mouse_move((movement, cartesian) => {
entity && (entity.show = true)
endpoint = that.cartesian3Towgs84(cartesian, that.viewer)
moveRadius = that.computeDistance([that.options.center, endpoint])
moveRadius = that.computeDistance2([that.options.center, endpoint])
fromDegreesArray = that.createCircle(that.options.center, moveRadius)
that.tip.setPosition(
cartesian,

14
src/Obj/Base/CurvelineObject/index.js
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@ -349,7 +349,7 @@ class CurvelineObject extends Base {
break
}
this.options.lengthByMeter = this.computeDistance(
this.options.lengthByMeter = this.computeDistance2(
this.smoothHandle(this.options.positions),
2,
ground
@ -1157,7 +1157,7 @@ class CurvelineObject extends Base {
CurvelineObject.createLabel(that)
// that.entity.polyline.positionsLngLat = positions
that.renewPolygon(fromDegreesArray)
that.options.lengthByMeter = that.computeDistance(that.smoothHandle(positions), 2, ground)
that.options.lengthByMeter = that.computeDistance2(that.smoothHandle(positions), 2, ground)
that.lengthUnit = that.options['length-unit']
syncData(that.sdk, that.options.id)
if (that.options.show) {
@ -1169,10 +1169,10 @@ class CurvelineObject extends Base {
// for (let i = 0; i < fromDegreesArray.length; i += 2) {
// array.push({ lng: fromDegreesArray[i], lat: fromDegreesArray[i + 1] })
// }
// this.options.fit_length = tool.computeDistance(array)
// this.options.fit_length = tool.computeDistance2(array)
// }
// else {
// this.options.fit_length = tool.computeDistance(positions)
// this.options.fit_length = tool.computeDistance2(positions)
// }
// if (this.options.fit_length_unit === 'km') {
// this.options.fit_length = this.options.fit_length / 1000
@ -1856,13 +1856,13 @@ class CurvelineObject extends Base {
alt: fromDegreesArray[i + 2]
})
}
this.options.fitLengthByMeter = this.computeDistance(
this.options.fitLengthByMeter = this.computeDistance2(
array,
2,
ground
)
this.fitLengthUnit = this.options['fit-length-unit']
this.options.lengthByMeter = this.computeDistance(this.smoothHandle(positions), 2, ground)
this.options.lengthByMeter = this.computeDistance2(this.smoothHandle(positions), 2, ground)
this.lengthUnit = this.options['length-unit']
return fromDegreesArray
}
@ -2234,7 +2234,7 @@ class CurvelineObject extends Base {
// )
// let fromDegreesArray = that.renewPositions(that.options.positions)
// that.renewPolygon(fromDegreesArray)
// that.options.lengthByMeter = that.computeDistance(
// that.options.lengthByMeter = that.computeDistance2(
// that.options.positions,
// 2,
// that.ground

3
src/Obj/Base/PolylineObject/index.js
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@ -1322,7 +1322,8 @@ class PolylineObject extends Base {
that.renewPolygon(fromDegreesArray)
that.computeDistance(
positions,
2
2,
that.options['words-name']
).then(res => {
that.options.lengthByMeter = res
that.lengthUnit = that.options['length-unit']

2
src/Obj/Base/Road/index.js
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@ -27,7 +27,7 @@ class Corridor extends Base {
fromDegreesArray.push(positions[i].lng, positions[i].lat)
}
let length = this.computeDistance(positions)
let length = this.computeDistance2(positions)
let geometry = new Cesium.CorridorGeometry({
positions: Cesium.Cartesian3.fromDegreesArray(fromDegreesArray),

2
src/Obj/Base/Road/index3.js
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@ -31,7 +31,7 @@ class Corridor extends Base {
fromDegreesArray.push(positions[i].lng, positions[i].lat)
}
let length = this.computeDistance(positions)
let length = this.computeDistance2(positions)
let geometry = new Cesium.CorridorGeometry({
positions: Cesium.Cartesian3.fromDegreesArray(fromDegreesArray),

14
src/Obj/Base/TextObject/StandText/index.js
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@ -94,7 +94,7 @@ class StandText extends Base {
let minimumHeights = []
let maximumHeights = []
let material = this.getMaterial()
let width = this.computeDistance(positions)
let width = this.computeDistance2(positions)
let extrudedHeight = this.aspectRatio ? (width / this.aspectRatio) : 0
for (let i = 0; i < positions.length; i++) {
fromDegreesArray.push(positions[i].lng, positions[i].lat)
@ -303,7 +303,7 @@ class StandText extends Base {
let minimumHeights = []
let maximumHeights = []
let material = that.getMaterial()
let width = that.computeDistance(positions)
let width = that.computeDistance2(positions)
let extrudedHeight = that.aspectRatio ? (width / that.aspectRatio) : 0
// aspectRatio
for (let i = 0; i < positions.length; i++) {
@ -503,7 +503,7 @@ class StandText extends Base {
let fromDegreesArray = []
let minimumHeights = []
let maximumHeights = []
let width = this.computeDistance(positions)
let width = this.computeDistance2(positions)
let extrudedHeight = this.aspectRatio ? (width / this.aspectRatio) : 0
// aspectRatio
for (let i = 0; i < positions.length; i++) {
@ -602,7 +602,7 @@ class StandText extends Base {
let fromDegreesArray = []
let minimumHeights = []
let maximumHeights = []
let width = that.computeDistance(positions)
let width = that.computeDistance2(positions)
let extrudedHeight = that.aspectRatio ? (width / that.aspectRatio) : 0
for (let i = 0; i < positions.length; i++) {
fromDegreesArray.push(positions[i].lng, positions[i].lat)
@ -635,7 +635,7 @@ class StandText extends Base {
fromDegreesArray = []
minimumHeights = []
maximumHeights = []
width = that.computeDistance(positions)
width = that.computeDistance2(positions)
extrudedHeight = that.aspectRatio ? (width / that.aspectRatio) : 0
for (let i = 0; i < positions.length; i++) {
fromDegreesArray.push(positions[i].lng, positions[i].lat)
@ -680,7 +680,7 @@ class StandText extends Base {
fromDegreesArray = []
minimumHeights = []
maximumHeights = []
width = that.computeDistance(positions)
width = that.computeDistance2(positions)
extrudedHeight = that.aspectRatio ? (width / that.aspectRatio) : 0
for (let i = 0; i < positions.length; i++) {
fromDegreesArray.push(positions[i].lng, positions[i].lat)
@ -710,7 +710,7 @@ class StandText extends Base {
fromDegreesArray = []
minimumHeights = []
maximumHeights = []
width = that.computeDistance(positions)
width = that.computeDistance2(positions)
extrudedHeight = that.aspectRatio ? (width / that.aspectRatio) : 0
for (let i = 0; i < positions.length; i++) {
fromDegreesArray.push(positions[i].lng, positions[i].lat)

50
src/Tools/index.js
View File

@ -140,30 +140,6 @@ class Tools {
* @param [fractionDigits=2] 保留小数点位数
* @param [ground=true] 是否贴地
* */
// computeDistance(positions = [], fractionDigits = 2, ground = true) {
// if (positions.length < 2) {
// return 0
// } else {
// let length = 0
// if (ground) {
// let lineString = []
// positions.forEach((item) => {
// lineString.push([item.lng, item.lat, item.alt])
// })
// let line = turf.lineString(lineString)
// length = turf.length(line) * 1000
// }
// else {
// for (let i = 0; i < positions.length - 1; i++) {
// const position1 = Cesium.Cartesian3.fromDegrees(positions[i].lng, positions[i].lat, positions[i].alt);
// const position2 = Cesium.Cartesian3.fromDegrees(positions[i + 1].lng, positions[i + 1].lat, positions[i + 1].alt);
// const distance = Cesium.Cartesian3.distance(position1, position2);
// length = length + distance
// }
// }
// return length.toFixed(fractionDigits)
// }
// }
async computeDistance(positions = [], fractionDigits = 2, type = '空间长度') {
if (positions.length < 2) {
return 0
@ -226,6 +202,32 @@ class Tools {
return length.toFixed(fractionDigits)
}
}
computeDistance2(positions = [], fractionDigits = 2, ground = true) {
if (positions.length < 2) {
return 0
} else {
let length = 0
if (ground) {
let lineString = []
positions.forEach((item) => {
lineString.push([item.lng, item.lat, item.alt])
})
let line = turf.lineString(lineString)
length = turf.length(line) * 1000
}
else {
for (let i = 0; i < positions.length - 1; i++) {
const position1 = Cesium.Cartesian3.fromDegrees(positions[i].lng, positions[i].lat, positions[i].alt);
const position2 = Cesium.Cartesian3.fromDegrees(positions[i + 1].lng, positions[i + 1].lat, positions[i + 1].alt);
const distance = Cesium.Cartesian3.distance(position1, position2);
length = length + distance
}
}
return length.toFixed(fractionDigits)
}
}
async sampleHeight(p1, index) {
let p2 = await this.sampleHeightMostDetailed([p1])
p1.alt = p2[0].height