mirror of
https://github.com/seigler/neat-charts
synced 2025-07-27 01:16:09 +00:00
34 lines
850 B
PHP
34 lines
850 B
PHP
<?php
|
|
/*
|
|
|
|
This file is intended to be a testing ground in case
|
|
you want to adjust the parameters of these charts.
|
|
That way you can make lots of changes without
|
|
hammering Poloniex half to death.
|
|
|
|
*/
|
|
|
|
ini_set('display_errors', 1);
|
|
//include 'buffer.php';
|
|
|
|
Header('Content-type: image/svg+xml; charset=utf-8');
|
|
|
|
spl_autoload_register(function ($class_name) {
|
|
include $class_name . '.php';
|
|
});
|
|
|
|
$chartData = [];
|
|
|
|
$start = 100 * (rand()/getRandMax())**3;
|
|
$volatility = rand()/getRandMax();
|
|
$velocity = (rand()/getRandMax() - 0.5);
|
|
$acceleration = 0.1 * (rand()/getRandMax())**2;
|
|
|
|
for ($n = 0, $current = $start; $n < 24; $n++) {
|
|
$velocity *= 0.5;
|
|
$velocity += $acceleration * 2 * (rand()/getRandMax() - 0.5);
|
|
$current += $velocity;
|
|
$chartData[$n] = $current;
|
|
}
|
|
|
|
print SVGChartBuilder::renderStockChart($chartData, 1000, "#708", "#777", true);
|