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texodus/index.html

Created October 5, 2022 16:41
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Perspective / t-digest
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index.html
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,minimum-scale=1,user-scalable=no"/>
<script src="https://cdn.jsdelivr.net/npm/tdigest@0.1.2/dist/tdigest.js"></script>
<script type="module" src="https://cdn.jsdelivr.net/npm/@finos/perspective@latest/dist/cdn/perspective.js"></script>
<script type="module" src="https://cdn.jsdelivr.net/npm/@finos/perspective-viewer@latest/dist/cdn/perspective-viewer.js"></script>
<script type="module" src="https://cdn.jsdelivr.net/npm/@finos/perspective-viewer-datagrid@latest/dist/cdn/perspective-viewer-datagrid.js"></script>
<script type="module" src="https://cdn.jsdelivr.net/npm/@finos/perspective-viewer-d3fc@latest/dist/cdn/perspective-viewer-d3fc.js"></script>
<link rel="stylesheet" crossorigin="anonymous" href="https://cdn.jsdelivr.net/npm/@finos/perspective-viewer/dist/css/themes.css" />
<script type="module">
import {worker} from "https://cdn.jsdelivr.net/npm/@finos/perspective@latest/dist/cdn/perspective.js";
const WORKER = worker();
const REQ = fetch("https://cdn.jsdelivr.net/npm/superstore-arrow/superstore.arrow");
function create_tdigest() {
const td = new window.tdigest.TDigest();
for (let i = 0; i < 1000000; i++) {
td.push(Math.random());
}
td.compress();
return td;
}
async function load() {
const resp = await REQ;
const arrow = await resp.arrayBuffer();
const el = document.getElementsByTagName("perspective-viewer")[0];
const tdigest = create_tdigest().toArray();
const table = WORKER.table(tdigest);
el.load(table);
el.restore({plugin: "X/Y Scatter"})
el.toggleConfig();
}
load();
</script>
<style>
perspective-viewer {
position: absolute;
top: 0;
left: 0;
bottom: 0;
right: 0;
}
</style>
</head>
<body>
<perspective-viewer editable> </perspective-viewer>
</body>
</html>
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