Merge pull request #565 from danvk/gulp

[dygraphs.git] / datahandler / default-fractions.js

diff --git a/datahandler/default-fractions.js b/datahandler/default-fractions.js
deleted file mode 100644 (file)
index 35d36eb..0000000
--- a/datahandler/default-fractions.js
+++ /dev/null
@@ -1,87 +0,0 @@
-/**
- * @license
- * Copyright 2013 David Eberlein (david.eberlein@ch.sauter-bc.com)
- * MIT-licensed (http://opensource.org/licenses/MIT)
- */
-
-/**
- * @fileoverview DataHandler implementation for the fractions option.
- * @author David Eberlein (david.eberlein@ch.sauter-bc.com)
- */
-
-(function() {
-
-/*global Dygraph:false */
-"use strict";
-
-/**
- * @extends Dygraph.DataHandlers.DefaultHandler
- * @constructor
- */
-Dygraph.DataHandlers.DefaultFractionHandler = function() {
-};
-  
-var DefaultFractionHandler = Dygraph.DataHandlers.DefaultFractionHandler;
-DefaultFractionHandler.prototype = new Dygraph.DataHandlers.DefaultHandler();
-
-DefaultFractionHandler.prototype.extractSeries = function(rawData, i, options) {
-  // TODO(danvk): pre-allocate series here.
-  var series = [];
-  var x, y, point, num, den, value;
-  var mult = 100.0;
-  var logScale = options.get('logscale');
-  for ( var j = 0; j < rawData.length; j++) {
-    x = rawData[j][0];
-    point = rawData[j][i];
-    if (logScale && point !== null) {
-      // On the log scale, points less than zero do not exist.
-      // This will create a gap in the chart.
-      if (point[0] <= 0 || point[1] <= 0) {
-        point = null;
-      }
-    }
-    // Extract to the unified data format.
-    if (point !== null) {
-      num = point[0];
-      den = point[1];
-      if (num !== null && !isNaN(num)) {
-        value = den ? num / den : 0.0;
-        y = mult * value;
-        // preserve original values in extras for further filtering
-        series.push([ x, y, [ num, den ] ]);
-      } else {
-        series.push([ x, num, [ num, den ] ]);
-      }
-    } else {
-      series.push([ x, null, [ null, null ] ]);
-    }
-  }
-  return series;
-};
-
-DefaultFractionHandler.prototype.rollingAverage = function(originalData, rollPeriod,
-    options) {
-  rollPeriod = Math.min(rollPeriod, originalData.length);
-  var rollingData = [];
-
-  var i;
-  var num = 0;
-  var den = 0; // numerator/denominator
-  var mult = 100.0;
-  for (i = 0; i < originalData.length; i++) {
-    num += originalData[i][2][0];
-    den += originalData[i][2][1];
-    if (i - rollPeriod >= 0) {
-      num -= originalData[i - rollPeriod][2][0];
-      den -= originalData[i - rollPeriod][2][1];
-    }
-
-    var date = originalData[i][0];
-    var value = den ? num / den : 0.0;
-    rollingData[i] = [ date, mult * value ];
-  }
-
-  return rollingData;
-};
-
-})();