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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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50
src/Tools/index.js
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@ -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