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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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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
View File

@ -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) {