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Add performance eval scripts #7

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Add performance eval scripts #7

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202 changes: 202 additions & 0 deletions examples/performance_eval/counterpoint-canvas.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Counterpoint Performance Evaluation</title>
</head>
<body style="font-family: sans-serif">
<div
id="chart-container"
style="position: relative; flex-shrink: 0; width: 800px; height: 800px"
>
<canvas
id="content"
style="position: absolute; top: 0; left: 0; width: 100%; height: 100%"
></canvas>
</div>
<button id="animate-button">Animate</button>
<div id="results"></div>
<script type="module">
import * as counterpoint from 'https://cdn.jsdelivr.net/npm/counterpoint-vis@latest/dist/counterpoint-vis.es.js';

// Declare the chart dimensions and margins.
let width = 800;
let height = 800;
let canvas = document.getElementById('content');

const numPointArray = [100, 1000, 5000, 10000, 50000, 100000];
const urlParams = new URLSearchParams(window.location.search);
const numPoints = parseInt(urlParams.get('points'));
const numPointIndex = numPointArray.indexOf(numPoints);
const swapFraction = 0.25;
const maxDelta = 100;
const pointSize = 2;
let numTrials = 0;

function randomID() {
var text = '';

var charset = 'abcdefghijklmnopqrstuvwxyz0123456789';

for (var i = 0; i < 20; i++)
text += charset.charAt(Math.floor(Math.random() * charset.length));

return text;
}

let randomDelta = () => Math.random() * maxDelta - maxDelta * 0.5;

// initialize the render group with 100 marks
let marks = new counterpoint.MarkRenderGroup(
new Array(numPoints).fill(0).map(
(i) =>
new counterpoint.Mark(randomID(), {
x: Math.random() * width,
y: Math.random() * height,
alpha: 1.0,
})
)
)
.configure({ animationDuration: 5000 })
.configureStaging({
initialize: (mark) => mark.setAttr('alpha', 0.0),
enter: (mark) => mark.animateTo('alpha', 1.0).wait('alpha'),
exit: (mark) => mark.animateTo('alpha', 0.0).wait('alpha'),
});

function animate() {
// remove swapFraction elements at random
let numToSwap = Math.floor(numPoints * swapFraction);
let ids = marks.getMarks().map((m) => m.id);
for (let i = 0; i < numToSwap; i++) {
let randomMark = Math.floor(Math.random() * ids.length);
marks.delete(ids[randomMark]);
ids.splice(randomMark, 1);
}

// move existing marks
marks.animateTo('x', (m) => m.attr('x') + randomDelta());
marks.animateTo('y', (m) => m.attr('y') + randomDelta());

// add swapFraction more
for (let i = 0; i < numToSwap; i++) {
let randomMark = new counterpoint.Mark(randomID(), {
x: Math.random() * width,
y: Math.random() * height,
alpha: 0.0,
});
marks.addMark(randomMark);
}

profile();
marks.wait(['x']).then(() => {
stopProfile = true;

if (numTrials < 19) {
numTrials++;
setTimeout(animate, 5000);
} else {
setTimeout(() => {
let text = document.getElementById('results').innerText;
var element = document.createElement('a');
element.setAttribute(
'href',
'data:text/plain;charset=utf-8,' + encodeURIComponent(text)
);
element.setAttribute('download', `cp_canvas_${numPoints}.txt`);

element.style.display = 'none';
document.body.appendChild(element);

element.click();

document.body.removeChild(element);

if (numPointIndex < numPointArray.length - 1)
setTimeout(() => {
window.location.href =
window.location.href.slice(
0,
window.location.href.length -
window.location.search.length
) + `?points=${numPointArray[numPointIndex + 1]}`;
}, 5000);
}, 1000);
}
});
}

// Animate button event handler
document
.getElementById('animate-button')
.addEventListener('click', animate);

// drawing function that will get called by the Ticker every time a redraw is needed
function draw() {
if (!!canvas) {
let ctx = canvas.getContext('2d');

if (!!ctx) {
ctx.resetTransform();
ctx.scale(window.devicePixelRatio, window.devicePixelRatio);
ctx.clearRect(0, 0, canvas.clientWidth, canvas.clientHeight);
ctx.strokeStyle = '#2563eb';
ctx.lineWidth = 1.0;
ctx.fillStyle = '#2563eb';
marks.stage.forEach((mark) => {
let x = mark.attr('x');
let y = mark.attr('y');
ctx.globalAlpha = mark.attr('alpha');
ctx?.beginPath();
ctx?.ellipse(
x,
y,
pointSize,
pointSize,
0,
0,
2 * Math.PI,
false
);
ctx?.fill();
// ctx?.stroke();
ctx?.closePath();
});
}
}
}

canvas.width = canvas.offsetWidth * window.devicePixelRatio;
canvas.height = canvas.offsetHeight * window.devicePixelRatio;

let ticker = new counterpoint.Ticker(marks).onChange(draw);
draw();

let stopProfile = false;
function profile() {
stopProfile = false;
let currentTime = window.performance.now();
let totalFrameDurations = 0;
let totalFrames = 0;
function frame() {
totalFrameDurations += window.performance.now() - currentTime;
totalFrames++;
currentTime = window.performance.now();
if (!stopProfile) requestAnimationFrame(frame);
else {
document.getElementById(
'results'
).innerHTML += `<p>cp_canvas,${numPoints},${totalFrames},${
totalFrameDurations / totalFrames
}</p>`;
}
}

requestAnimationFrame(frame);
}

animate();
</script>
</body>
</html>
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