mirror of
https://github.com/seigler/neat-charts
synced 2025-07-27 01:16:09 +00:00
56 lines
1.4 KiB
PHP
56 lines
1.4 KiB
PHP
<?php
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require_once 'vendor/autoload.php';
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?>
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<!DOCTYPE html>
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<html lang="en-US">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0">
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<title>Demo Page : seigler/neat-charts</title>
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<style>
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*, *:after, *:before { box-sizing: inherit; }
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</style>
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</head>
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<body>
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<header>
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<h1>neat-charts examples</h1>
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</header>
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<main>
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<section>
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<h2>SVG chart in <code>img</code> tag</h2>
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<figure>
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<img src="./demo-as-image.php">
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<figcaption>Random generated data, loaded as an image</figcaption>
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</figure>
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</section>
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<section>
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<h2>SVG chart in <code>svg</code> tag</h2>
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<figure>
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<?php
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$chartData = [];
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$offset = 100 * (rand()/getRandMax())**4;
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$scale = 100 * (rand()/getRandMax())**2;
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$volatility = 0.5 * (rand()/getRandMax())**3;
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for ($n = 0, $current = $offset + 0.5 * $scale; $n < 96; $n++) {
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$current -= $offset;
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$current *= 1 + $volatility * (rand()/getRandMax() - 0.5);
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$current += $offset;
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$chartData[$n] = $current;
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}
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$chart = new NeatCharts\LineChart($chartData, [
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'width'=>800,
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'height'=>250,
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'lineColor'=>'#F00',
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'labelColor'=>'#222',
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'smoothed'=>false,
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'fontSize'=>14
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]);
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echo $chart->render();
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?>
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<figcaption>Random generated data, loaded right in the page</figcaption>
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</figure>
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</section>
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</main>
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</body>
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</html>
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