register histogram2d module, require parts of heatmap in it.

Author: etpinard

src/traces/histogram2d/index.js

@@ -0,0 +1,39 @@
+/**
+* Copyright 2012-2015, Plotly, Inc.
+* All rights reserved.
+*
+* This source code is licensed under the MIT license found in the
+* LICENSE file in the root directory of this source tree.
+*/
+
+
+'use strict';
+
+var Plotly = require('../../plotly');
+
+Plotly.Plots.register(exports, 'histogram2d',
+    ['cartesian', '2dMap', 'histogram'], {
+    hrName: 'histogram_2d',
+    description: [
+        'The sample data from which statistics are computed is set in `x`',
+        'and `y` (where `x` and `y` represent marginal distributions,',
+        'binning is set in `xbins` and `ybins` in this case)',
+        'or `z` (where `z` represent the 2D distribution and binning set,',
+        'binning is set by `x` and `y` in this case).',
+        'The resulting distribution is visualized as a heatmap.'
+    ].join(' ')
+});
+
+exports.attributes = require('../heatmap/attributes');
+
+exports.supplyDefaults = require('../heatmap/defaults');
+
+exports.calc = require('../heatmap/calc');
+
+exports.plot = require('../heatmap/plot');
+
+exports.colorbar = require('../heatmap/colorbar');
+
+exports.style = require('../heatmap/style');
+
+exports.hoverPoints = require('../heatmap/hover');