Merge pull request #124 from mistercrunch/colors

A more cohesive color strategy

docs/build.sh

@@ -1,3 +1,4 @@
 #!/usr/bin/env bash
 rm -r _build
 make html
+cp -r _build/html/ ../../panoramix-docs/

panoramix/static/panoramix.js

@@ -3,6 +3,22 @@ var px = (function() {
   var visualizations = {};
   var dashboard = undefined;
 
+  var bnbColors = [
+    //rausch    hackb      kazan      babu      lima        beach     barol
+    '#ff5a5f', '#7b0051', '#007A87', '#00d1c1', '#8ce071', '#ffb400', '#b4a76c',
+    '#ff8083', '#cc0086', '#00a1b3', '#00ffeb', '#bbedab', '#ffd266', '#cbc29a',
+    '#ff3339', '#ff1ab1', '#005c66', '#00b3a5', '#55d12e', '#b37e00', '#988b4e',
+  ];
+  function colorBnb() {
+    // Color factory
+    var seen = {};
+    return function(s){
+      if(seen[s] === undefined)
+        seen[s] = Object.keys(seen).length;
+      return bnbColors[seen[s] % bnbColors.length];
+    };
+  }
+
   function UTC(dttm){
     return v = new Date(dttm.getUTCFullYear(), dttm.getUTCMonth(), dttm.getUTCDate(),  dttm.getUTCHours(), dttm.getUTCMinutes(), dttm.getUTCSeconds());
   }
@@ -27,10 +43,6 @@ var px = (function() {
       return f(d);
     };
   }
-  colors = [
-    "#FF5A5F", "#007A87", "#7B0051", "#00D1C1", "#8CE071", "#FFB400",
-    "#FFAA91", "#B4A76C", "#9CA299", "#565A5C"
-  ];
 
   var Slice = function(data, dashboard){
     var timer;
@@ -474,7 +486,8 @@ var px = (function() {
     initExploreView: initExploreView,
     initDashboardView: initDashboardView,
     formatDate: formatDate,
-    colors: colors,
     timeFormatFactory: timeFormatFactory,
+    colorBnb: colorBnb,
+    bnbColors: bnbColors,
   }
 })();

panoramix/static/widgets/viz_wordcloud.js

@@ -27,7 +27,7 @@ px.registerViz('word_cloud', function(slice) {
       scale = d3.scale.linear()
         .range(range)
         .domain(d3.extent(data, function(d) { return d.size; }));
-      var fill = d3.scale.category20();
+      var fill = px.colorBnb();
       var layout = d3.layout.cloud()
         .size(size)
         .words(data)

panoramix/utils.py

@@ -107,26 +107,13 @@ class JSONEncodedDict(TypeDecorator):
 
 class ColorFactory(object):
     BNB_COLORS = [
-        "#007A87",
+        #rausch    hackb      kazan      babu      lima        beach     barol
-        "#00D1C1",
+        '#ff5a5f', '#7b0051', '#007A87', '#00d1c1', '#8ce071', '#ffb400', '#b4a76c',
-        "#565A5C",
+        '#ff8083', '#cc0086', '#00a1b3', '#00ffeb', '#bbedab', '#ffd266', '#cbc29a',
-        "#7B0051",
+        '#ff3339', '#ff1ab1', '#005c66', '#00b3a5', '#55d12e', '#b37e00', '#988b4e',
-        "#898C8C",
-        "#8CE071",
-        "#4EDED2",
-        "#4FA3AB",
-        "#9CA299",
-        "#A14D83",
-        "#B4A76C",
-        "#C9BF97",
-        "#FF5A5F",
-        "#FFAA91",
-        "#FFB400",
-        "#FFC4B3",
-        "#FFCA4F",
     ]
 
-    def __init__(self, hash_based=True):
+    def __init__(self, hash_based=False):
         self.d = {}
         self.hash_based = hash_based
 

panoramix/viz.py

@@ -845,6 +845,7 @@ class DistributionBarViz(DistributionPieViz):
         df = self.get_df()
         series = df.to_dict('series')
         chart_data = []
+        cf = utils.ColorFactory()
         for name, ys in series.items():
             if df[name].dtype.kind not in "biufc":
                 continue
@@ -855,7 +856,6 @@ class DistributionBarViz(DistributionPieViz):
                 series_title = ", ".join(name)
             else:
                 series_title = ", ".join(name[1:])
-            cf = utils.ColorFactory()
             d = {
                 "key": series_title,
                 "color": cf.get(series_title),