X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=dygraph.js;h=dfab016f46a06837b939cc544f219ab935b44739;hb=e55b4f4f1386ee9ff2588206875fa2d70403fbb1;hp=34d01b947f25a47dce7a63fcdc279c0843c7f4f9;hpb=4e59e63ef528ffe1e7d799c3e900289a47440016;p=dygraphs.git

diff --git a/dygraph.js b/dygraph.js
index 34d01b9..dfab016 100644
--- a/dygraph.js
+++ b/dygraph.js
@@ -344,18 +344,24 @@ Dygraph.DEFAULT_ATTRS = {
       pixelsPerLabel: 60,
       axisLabelFormatter: Dygraph.dateAxisFormatter,
       valueFormatter: Dygraph.dateString_,
+      drawGrid: true,
+      independentTicks: true,
       ticker: null  // will be set in dygraph-tickers.js
     },
     y: {
       pixelsPerLabel: 30,
       valueFormatter: Dygraph.numberValueFormatter,
       axisLabelFormatter: Dygraph.numberAxisLabelFormatter,
+      drawGrid: true,
+      independentTicks: true,
       ticker: null  // will be set in dygraph-tickers.js
     },
     y2: {
       pixelsPerLabel: 30,
       valueFormatter: Dygraph.numberValueFormatter,
       axisLabelFormatter: Dygraph.numberAxisLabelFormatter,
+      drawGrid: false,
+      independentTicks: false,
       ticker: null  // will be set in dygraph-tickers.js
     }
   }
@@ -2278,6 +2284,17 @@ Dygraph.prototype.gatherDatasets_ = function(rolledSeries, dateWindow) {
   var datasets = [];
   var extremes = {};  // series name -> [low, high]
   var i, j, k;
+  var errorBars = this.attr_("errorBars");
+  var customBars = this.attr_("customBars");
+  var bars = errorBars || customBars;
+  var isValueNull = function(sample) {
+    if (!bars) {
+      return sample[1] === null;
+    } else {
+      return customBars ? sample[1][1] === null : 
+        errorBars ? sample[1][0] === null : false;
+    }
+  };
 
   // Loop over the fields (series).  Go from the last to the first,
   // because if they're stacked that's how we accumulate the values.
@@ -2296,21 +2313,10 @@ Dygraph.prototype.gatherDatasets_ = function(rolledSeries, dateWindow) {
     // Prune down to the desired range, if necessary (for zooming)
     // Because there can be lines going to points outside of the visible area,
     // we actually prune to visible points, plus one on either side.
-    var errorBars = this.attr_("errorBars");
-    var customBars = this.attr_("customBars");
-    var bars = errorBars || customBars;
     if (dateWindow) {
       var low = dateWindow[0];
       var high = dateWindow[1];
       var pruned = [];
-      var isValueNull = function(sample) {
-        if (!bars) {
-          return sample[1] === null;
-        } else {
-          return customBars ? sample[1][1] === null : 
-            errorBars ? sample[1][0] === null : false;
-        }
-      };
 
       // TODO(danvk): do binary search instead of linear search.
       // TODO(danvk): pass firstIdx and lastIdx directly to the renderer.
@@ -2621,12 +2627,15 @@ Dygraph.prototype.computeYAxisRanges_ = function(extremes) {
   };
   var numAxes = this.attributes_.numAxes();
   var ypadCompat, span, series, ypad;
+  
+  var p_axis;
 
   // Compute extreme values, a span and tick marks for each axis.
   for (var i = 0; i < numAxes; i++) {
     var axis = this.axes_[i];
     var logscale = this.attributes_.getForAxis("logscale", i);
     var includeZero = this.attributes_.getForAxis("includeZero", i);
+    var independentTicks = this.attributes_.getForAxis("independentTicks", i);
     series = this.attributes_.seriesForAxis(i);
 
     // Add some padding. This supports two Y padding operation modes:
@@ -2744,20 +2753,33 @@ Dygraph.prototype.computeYAxisRanges_ = function(extremes) {
     } else {
       axis.computedValueRange = axis.extremeRange;
     }
-
-    // Add ticks. By default, all axes inherit the tick positions of the
-    // primary axis. However, if an axis is specifically marked as having
-    // independent ticks, then that is permissible as well.
-    var opts = this.optionsViewForAxis_('y' + (i ? '2' : ''));
-    var ticker = opts('ticker');
-    if (i === 0 || axis.independentTicks) {
+    
+    
+    if(independentTicks) {
+      axis.independentTicks = independentTicks;
+      var opts = this.optionsViewForAxis_('y' + (i ? '2' : ''));
+      var ticker = opts('ticker');
       axis.ticks = ticker(axis.computedValueRange[0],
-                          axis.computedValueRange[1],
-                          this.height_,  // TODO(danvk): should be area.height
-                          opts,
-                          this);
-    } else {
-      var p_axis = this.axes_[0];
+              axis.computedValueRange[1],
+              this.height_,  // TODO(danvk): should be area.height
+              opts,
+              this);
+      // Define the first independent axis as primary axis.
+      if (!p_axis) p_axis = axis;
+    }
+  }
+  if (p_axis === undefined) {
+    throw ("Configuration Error: At least one axis has to have the \"independentTicks\" option activated.");
+  }
+  // Add ticks. By default, all axes inherit the tick positions of the
+  // primary axis. However, if an axis is specifically marked as having
+  // independent ticks, then that is permissible as well.
+  for (var i = 0; i < numAxes; i++) {
+    var axis = this.axes_[i];
+    
+    if (!axis.independentTicks) {
+      var opts = this.optionsViewForAxis_('y' + (i ? '2' : ''));
+      var ticker = opts('ticker');
       var p_ticks = p_axis.ticks;
       var p_scale = p_axis.computedValueRange[1] - p_axis.computedValueRange[0];
       var scale = axis.computedValueRange[1] - axis.computedValueRange[0];
@@ -2799,12 +2821,21 @@ Dygraph.prototype.extractSeries_ = function(rawData, i, logScale) {
     if (logScale) {
       // On the log scale, points less than zero do not exist.
       // This will create a gap in the chart.
-      if (point <= 0) {
+      if (errorBars || customBars) {
+        // point.length is either 2 (errorBars) or 3 (customBars)
+        for (var k = 0; k < point.length; k++) {
+          if (point[k] <= 0) {
+            point = null;
+            break;
+          }
+        }
+      }
+      else if (point <= 0) {
         point = null;
       }
     }
     // Fix null points to fit the display type standard.
-    if(point !== null) {
+    if (point !== null) {
       series.push([x, point]);
     } else {
       series.push([x, errorBars ? [null, null] : customBars ? [null, null, null] : point]);