Do not layout colorbar if no global or per trace colorbar are enabled

Author: hy9be

src/plot_api/plot_api.js

@@ -25,6 +25,7 @@ var Polar = require('../plots/polar');
 
 var Drawing = require('../components/drawing');
 var ErrorBars = require('../components/errorbars');
+var Colorbar = require('../components/colorbar');
 var xmlnsNamespaces = require('../constants/xmlns_namespaces');
 var svgTextUtils = require('../lib/svg_text_utils');
 
@@ -205,7 +206,9 @@ Plotly.plot = function(gd, data, layout, config) {
             if(trace.visible !== true || !trace._module.colorbar) {
                 Plots.autoMargin(gd, 'cb' + trace.uid);
             }
-            else trace._module.colorbar(gd, cd);
+            else if(Plots.traceIs(trace, 'markerColorscale') && Colorbar.hasColorbar(trace)) {
+                trace._module.colorbar(gd, cd);
+            }
         }
 
         Plots.doAutoMargin(gd);