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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Calculator Test</title>
<script src="build/PlaneFitting.js"></script>
</head>
<body>
<div id="textContainer"></div>
<script>
Module.onRuntimeInitialized = () => {
const PlaneFitting = Module['_PlaneFitting']; // 假设add是您的导出函数名
const a = -1 / 3.0, b = -2 / 3.0, d = 3.0;
const w_sigma = 0.1;
let points = [];
let center = new Float32Array(6);
// JavaScript中没有内置的正态分布生成器，但我们可以使用Box-Muller转换
function normalDistribution() {
let u = 0, v = 0;
while (u === 0) u = Math.random(); // 避免0值
while (v === 0) v = Math.random();
return Math.sqrt(-2.0 * Math.log(u)) * Math.cos(2.0 * Math.PI * v);
}
function showInfo(info){
const container = document.getElementById('textContainer');
const newParagraph = document.createElement('p');
newParagraph.textContent = info;
container.appendChild(newParagraph);
}
for (let i = 0; i < 100; i++) {
for (let j = 0; j < 100; j++) {
let x = i;
let y = j;
let z = a * x + b * y + d + normalDistribution() * w_sigma;
points.push(x);
points.push(y);
points.push(z);
}
}
let numBytes = points.length * Float32Array.BYTES_PER_ELEMENT;
let dataPtr = Module._malloc(numBytes);
let dataHeap = new Float32Array(Module.HEAPF32.buffer, dataPtr, points.length);
dataHeap.set(new Float32Array(points));
let planeInfoPtr = Module._malloc(6* Float32Array.BYTES_PER_ELEMENT);
let ret = PlaneFitting(dataPtr, points.length, 0.1, 100, planeInfoPtr);
if(!ret){
console.error("PlaneFitting fail");
showInfo("PlaneFitting fail");
}
let modifiedData = new Float32Array(Module.HEAPF32.buffer, planeInfoPtr, 6);
let planeParams = Array.from(modifiedData);
showInfo(planeParams);
Module._free(dataPtr);
Module._free(planeInfoPtr);
};
</script>
</body>
</html>