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https://github.com/seigler/neat-charts
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39 lines
906 B
PHP
39 lines
906 B
PHP
<?php
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/*
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This file is intended to be a testing ground in case
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you want to adjust the parameters of these charts.
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That way you can make lots of changes without
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hammering Poloniex half to death.
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*/
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ini_set('display_errors', 1);
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//include 'buffer.php';
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Header('Content-type: image/svg+xml; charset=utf-8');
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spl_autoload_register(function ($class_name) {
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include $class_name . '.php';
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});
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$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] = $current;
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}
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print SVGChartBuilder::renderStockChart($chartData, [
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'width'=>1000,
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'height'=>250,
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'lineColor'=>"#708",
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'labelColor'=>"#777",
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'smoothed'=>false
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]);
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