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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/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