Global

Methods

(async) WKriging(psSrc, psTar, optopt) → {Promise}

Description:

• Kriging內外插值，支援2D與3D

Source:

• WKriging.mjs, line 147

Example

async function test2d1() {

    let psSrc = [
        {
            x: -0.1, y: -0.1, z: 0
        },
        {
            x: 1, y: 0, z: 0
        },
        {
            x: 1, y: 1, z: 10
        },
        {
            x: 0, y: 1, z: 0
        },
    ]
    let psTar = [
        { x: 0.1, y: 0.95 },
    ]
    let opt = {
        variogram_model: 'gaussian',
        nlags: 9,
    }

    let r = await WKriging(psSrc, psTar, opt)
    console.log('test2d1', r)
    // => test2d [ { x: 0.1, y: 0.95, z: 1.8997805977145759 } ]

}
test2d1()
    .catch((err) => {
        console.log('catch', err)
    })

async function test2d2() {

    let psSrc = [{ x: 243, y: 206, z: 95 }, { x: 233, y: 225, z: 146 }, { x: 21, y: 325, z: 22 }, { x: 953, y: 28, z: 223 }, { x: 1092, y: 290, z: 39 }, { x: 744, y: 200, z: 191 }, { x: 174, y: 3, z: 22 }, { x: 537, y: 368, z: 249 }, { x: 1151, y: 371, z: 86 }, { x: 814, y: 252, z: 125 }]

    let psTar = [{
        x: 243,
        y: 205,
    }]

    let opt = {
        variogram_model: 'exponential',
        nlags: 9,
    }

    let r = await WKriging(psSrc, psTar, opt)
    console.log('test2d2', r)
    // => test2d [ { x: 243, y: 205, z: 94.89492366904084 } ]

}
test2d2()
    .catch((err) => {
        console.log('catch', err)
    })

async function test3d1() {

    let psSrc = [
        {
            x: -0.1, y: -0.1, z: -0.1, v: 0
        },
        {
            x: 1, y: 0, z: 0, v: 0
        },
        {
            x: 1, y: 1, z: 0, v: 0
        },
        {
            x: 0, y: 0, z: 1, v: 0
        },
        {
            x: 1, y: 0, z: 1, v: 0
        },
        {
            x: 1, y: 1, z: 1, v: 10
        },
    ]
    let psTar = [
        {
            x: 0.1, y: 0.1, z: 0.95
        },
    ]
    let opt = {
        variogram_model: 'gaussian',
        nlags: 9,
    }

    let r = await WKriging(psSrc, psTar, opt)
    console.log('test3d1', r)
    // => test3d [ { x: 0.1, y: 0.1, z: 0.95, v: 1.666666666666666 } ]

}
test3d1()
    .catch((err) => {
        console.log('catch', err)
    })

Parameters:

Returns:

Type

Promise

(async) autoDownloadFiles() → {Promise}

Description:

• 取得kriging.exe，回傳kriging.exe的絕對路徑

  經ensureBins依bin/manifest.json之SHA-256與大小校驗後取得(快取、鏡像、GitHub釘選提交)，首次使用才下載，安裝時不下載， 離線與內網之用法(W_BIN_CACHE、W_BIN_MIRROR、W_BIN_OFFLINE)見README〈外部執行檔〉

  供w-kriging自身與其他依賴w-kriging的套件調用，無須各自實作偵測與下載邏輯

  因kriging.exe只能用於Windows作業系統，故調用前須自行檢核作業系統

Source:

• autoDownloadFiles.mjs, line 37

Deprecated:

• 請改用ensureBins(w-kriging/src/ensureBins.mjs，或WKriging.ensureBins)，本函數僅為既有深層匯入者保留

Example

import autoDownloadFiles from 'w-kriging/src/autoDownloadFiles.mjs'

async function test() {

    //autoDownloadFiles, 無快取時自動取得, 取得或校驗失敗則reject
    let { fpExe } = await autoDownloadFiles()

    console.log('fpExe', fpExe)
    // fpExe D:\xxx\node_modules\w-kriging\bin-cache\<sha256>\kriging.exe
}
test()
    .catch((err) => {
        console.log('catch', err)
    })

Returns:

Type

Promise

ensureBins(optopt) → {Promise}

Description:

• 取得本套件之外部執行檔kriging.exe: 首次使用時下載(或自鏡像取得)並以bin/manifest.json之SHA-256與大小校驗, 之後自快取取得(亦校驗) 規格: 外部執行檔之存放下載校驗與離線(制式規格)§6; 實作為wsemi之fsEnsureBins, 本套件不另寫下載、快取、鏡像、校驗 環境變數: W_BIN_CACHE、W_BIN_MIRROR、W_BIN_OFFLINE, 見README〈外部執行檔〉

Source:

• ensureBins.mjs, line 34

Example

import ensureBins from 'w-kriging/src/ensureBins.mjs'

async function test() {

    //部署前預先取得(連網機器設W_BIN_CACHE=<資料夾>後執行, 該資料夾即可作為離線鏡像W_BIN_MIRROR)
    let bins = await ensureBins()

    console.log('bins', bins)
    // bins { 'kriging.exe': 'D:\\xxx\\node_modules\\w-kriging\\bin-cache\\<sha256>\\kriging.exe' }
}
test()
    .catch((err) => {
        console.log('catch', err)
    })

Parameters:

Returns:

Type

Promise