Add 49 more unicode symbols for scattergl symbol types

Author: David Estrada

devtools/test_dashboard/index.html

@@ -15,13 +15,14 @@
 
   <section id="mocks-list"></section>
   <div id="plots">
-    <div id="graph"></div>
+    <div id="graph" style="width: 600px; height: 500px;"></div>
   </div>
   <div id="snapshot"></div>
 
   <script type="text/javascript" src="../../dist/extras/mathjax/MathJax.js?config=TeX-AMS-MML_SVG"></script>
   <script id="source" type="text/javascript" src="../../build/plotly.js"></script>
   <script type="text/javascript" src="../../test/image/strict-d3.js" charset="utf-8"></script>
   <script type="text/javascript" src="../../build/test_dashboard-bundle.js"></script>
+  <script type="text/javascript" src="./test.js"></script>
 </body>
 </html>

devtools/test_dashboard/test.js

@@ -0,0 +1,17 @@
+var trace1 = {
+  x: [1, 2, 3, 4],
+  y: [10, 15, 13, 17],
+  mode: 'markers',
+  type: 'scattergl',
+  marker:{size:30, color: 'red', symbol: 'asterisk'}
+};
+
+var data = [ trace1 ];
+
+var layout = {
+  title:'Line and Scatter Plot',
+  height: 400,
+  width: 480
+};
+
+Plotly.newPlot('graph', data, layout);

src/constants/gl_markers.js

@@ -16,6 +16,42 @@ module.exports = {
     'square-open': '□',
     diamond: '◆',
     'diamond-open': '◇',
-    cross: '+',
-    x: '❌'
-};
+    cross: '➕',
+    x: '❌',
+    'triangle-up': '▲',
+    'triangle-up-open': '△',
+    'triangle-down': '▼',
+    'triangle-down-open': '▽',
+    'triangle-left': '◄',
+    'triangle-left-open': '◁',
+    'triangle-right': '►',
+    'triangle-right-open': '▷',
+    'triangle-ne': '◥',
+    'triangle-ne-open': '◹',
+    'triangle-nw': '◤',
+    'triangle-nw-open': '◸',
+    'triangle-se': '◢',
+    'triangle-se-open': '◿',
+    'triangle-sw': '◣',
+    'triangle-sw-open': '◺',
+    'pentagon': '⬟',
+    'pentagon-open': '⬠',
+    'hexagon': '⬢',
+    'hexagon-open': '⬡',
+    'hexagon2': '⬣',
+    'star': '★',
+    'star-open': '☆',
+    'hexagram': '✶',
+    'diamond-tall': '♦',
+    'diamond-tall-open': '♢',
+    'hourglass': '⧗',
+    'hourglass-open': '⧖',
+    'bowtie': '⧓',
+    'bowtie-open': '⋈',
+    'circle-cross': '⊕',
+    'circle-x': '⊗',
+    'square-cross': '⊞',
+    'square-x': '⊠',
+    'cross-thin': '+',
+    'asterisk': '✱'
+};