5.gis空间插值之前端turf+kriging

前言

本文主要讲述通过前端来实现通过空间插值生成等值线面、泰森多边形、TIN三角网,除此也可使用arcgis发布gp模型服务，再通过arcgis api调用

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参数准备

import kriging from '@sakitam-gis/kriging'
import * as turf from '@turf/turf'

let params = {
   
   
    krigingModel: 'exponential',//model还可选'gaussian'高斯,'spherical'球状,exponential指数
    krigingSigma2: 0,
    krigingAlpha: 100,
    poygon: {
   
   //等值面
        id: {
   
   
           
            colors: ["#00a6ff", "#00ebff", "#00ffb5", "#00ff94", "#00ff08", "#10ff00", "#31fe00", "#52fe00","#9bff00", "#94ff00", "#b5ff00", "#deff00", "#ffff00", "#ffe700", "#ffc300","#ffa200", "#ff8200", "#ff6100", "#ff4100", "#ff2c00", "#ff2000", "#ff0000", "#790024", "#790024"],
            breaks: [-20, -16, -12, -8, -4, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 33, 36, 40],
            values: {
   
   
                "-20--16": 1, "-16--12": 2, "-12--8": 3, "-8-0": 4, "0-2": 5, "2-4": 6, "4-6": 7,
                "6-8": 8, "8-10": 9, "10-12": 10, "12-14": 11, "14-16": 12, "16-18": 13, "18-20": 14,
                "20-22": 15, "22-24": 16, "24-26": 17, "26-28": 18, "28-30": 19, "30-33": 20, "33-36": 21