plotly#189 adding axis attributes to 3D plots

Author: monfera

src/plots/gl3d/layout/axis_attributes.js

@@ -67,6 +67,35 @@ module.exports = {
         dflt: true,
         description: 'Sets whether or not this axis is labeled'
     },
+    categorymode: {
+        valType: 'enumerated',
+        values: [
+            'trace', 'category ascending', 'category descending', 'array'
+            /*, 'value ascending', 'value descending'*/ // value ascending / descending to be implemented later
+        ],
+        dflt: 'trace',
+        role: 'info',
+        description: [
+            'Specifies the ordering logic for the case of categorical variables.',
+            'By default, plotly uses *trace*, which specifies the order that is present in the data supplied.',
+            'Set `categorymode` to *category ascending* or *category descending* if order should be determined by',
+            'the alphanumerical order of the category names.',
+            /*'Set `categorymode` to *value ascending* or *value descending* if order should be determined by the',
+             'numerical order of the values.',*/ // // value ascending / descending to be implemented later
+            'Set `categorymode` to *array* to derive the ordering from the attribute `categorylist`. If a category',
+            'is not found in the `categorylist` array, the sorting behavior for that attribute will be identical to',
+            'the *trace* mode. The unspecified categories will follow the categories in `categorylist`.'
+        ].join(' ')
+    },
+    categorylist: {
+        valType: 'data_array',
+        role: 'info',
+        description: [
+            'Sets the order in which categories on this axis appear.',
+            'Only has an effect if `categorymode` is set to *array*.',
+            'Used with `categorymode`.'
+        ].join(' ')
+    },
     title: axesAttrs.title,
     titlefont: axesAttrs.titlefont,
     type: axesAttrs.type,