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Current File : /home/riacommer/public_html/admin/vendor/rickshaw/src/js/Rickshaw.Fixtures.RandomData.js

Rickshaw.namespace('Rickshaw.Fixtures.RandomData');

Rickshaw.Fixtures.RandomData = function(timeInterval) {

	var addData;
	timeInterval = timeInterval || 1;

	var lastRandomValue = 200;

	var timeBase = Math.floor(new Date().getTime() / 1000);

	this.addData = function(data) {

		var randomValue = Math.random() * 100 + 15 + lastRandomValue;
		var index = data[0].length;

		var counter = 1;

		data.forEach( function(series) {
			var randomVariance = Math.random() * 20;
			var v = randomValue / 25  + counter++ +
				(Math.cos((index * counter * 11) / 960) + 2) * 15 +
				(Math.cos(index / 7) + 2) * 7 +
				(Math.cos(index / 17) + 2) * 1;

			series.push( { x: (index * timeInterval) + timeBase, y: v + randomVariance } );
		} );

		lastRandomValue = randomValue * 0.85;
	};

	this.removeData = function(data) {
		data.forEach( function(series) {
			series.shift();
		} );
		timeBase += timeInterval;
	};
};

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