From 85fc8deb7acc3eb20acb1b0a8061f584ca76196b Mon Sep 17 00:00:00 2001
From: Philipp Rudiger <prudiger@anaconda.com>
Date: Tue, 15 Jan 2019 12:43:42 +0000
Subject: [PATCH] Process colorbar option on CompositePlots

---
 holoviews/plotting/bokeh/element.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/holoviews/plotting/bokeh/element.py b/holoviews/plotting/bokeh/element.py
index d7c58035bf..83ba6aa752 100644
--- a/holoviews/plotting/bokeh/element.py
+++ b/holoviews/plotting/bokeh/element.py
@@ -1231,6 +1231,11 @@ def _init_glyphs(self, plot, element, ranges, source, data=None, mapping=None, s
             with abbreviated_exception():
                 self._update_glyph(renderer, properties, mapping.get(key, {}), glyph,
                                    source, source.data)
+        if self.colorbar:
+            for k, v in list(self.handles.items()):
+                if not k.endswith('color_mapper'):
+                    continue
+                self._draw_colorbar(plot, v, k[:-12])
 
 
     def _process_properties(self, key, properties, mapping):