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index.html
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<style>
.ttooltip {
z-index: 99;
}
</style>
<body>
<h1>Welcome to a demo/test page.</h1>
<div id="deepscatter"></div>
<div id="controls" style="z-index: 99; position: fixed">
<input type="range" min="0" max=".5" step=".01" id="jitter" value=".05" />
<button id="flip">Change encoding</button>
<button id="html">Change tooltip HTML</button>
<pre id="ident"></pre>
</div>
</body>
<head>
<style>
dt {
float: left;
clear: left;
width: 90px;
font-weight: bold;
color: rgb(128, 19, 0);
}
dt::after {
content: ':';
}
dd {
margin: 0 0 0 80px;
padding: 0 0 0.5em 0;
width: 180px;
}
</style>
</head>
<script type="module">
import Scatterplot from './src/deepscatter';
import { select } from 'd3-selection';
window.select = select; // For the click function below.
const prefs = {
source_url: '/tiles',
max_points: 1000000, // a full cap.
alpha: 35, // Target saturation for the full page.
zoom_balance: 0.22, // Rate at which points increase size. https://observablehq.com/@bmschmidt/zoom-strategies-for-huge-scatterplots-with-three-js
point_size: 2, // Default point size before application of size scaling
background_color: '#EEEDDE',
click_function:
"select('#ident').html(JSON.stringify(datum, undefined, 2))",
encoding: {
/**
Note--if you do not have a field called 'class' in your dataset, this will fail!
*/
color: {
field: 'class',
range: 'category10',
},
x: {
field: 'x',
transform: 'literal',
},
y: {
field: 'y',
transform: 'literal',
},
},
};
//list of ids 1 - 100000
var ids_1 = [];
var ids_2 = [];
for (var i = 1; i < 500000; i++) {
ids_1.push(i.toString());
}
//list of ids 1 - 20000 increment by 2
for (var i = 1; i < 20000; i++) {
ids_2.push(i.toString());
}
const colors = [
// JSON.parse(JSON.stringify(prefs.encoding.color)),
{
field: 'quantity',
range: 'ylorrd',
domain: [0, 1]
},
];
const scatterplot = new Scatterplot('#deepscatter');
scatterplot.plotAPI(prefs).then((d) => scatterplot.plotAPI(prefs));
window.plot = scatterplot; // For debugging
// Simple animation demonstration.
// In practice, you might transform an external annotations layer using this
scatterplot.on_zoom = (transform) => console.log('zoomed:', transform);
let cycle = 0;
select('#jitter').on('change', (event) => {
scatterplot.plotAPI({
encoding: {
jitter_radius: {
method: 'uniform',
constant: +event.target.value,
},
},
});
});
let weird = false;
select('#html').on('click', () => {
scatterplot.tooltip_html = (datum) => {
return `This is point number <span style="color:blue">${datum.ix}</span>`;
};
});
const positions = [
{
field: 'x',
transform: 'literal',
},
{
field: 'y',
transform: 'literal',
},
];
select('#flip').on('click', () => {
cycle += 1;
const new_coding = {
encoding: {
color: colors[cycle % colors.length],
x: positions[cycle % positions.length],
y: positions[(cycle + 1) % positions.length],
},
};
scatterplot.plotAPI(new_coding);
});
</script>