From 76868196cd8f1466316df572fedcc4eef3bbfea6 Mon Sep 17 00:00:00 2001
From: Matthew Bradbury <matt-bradbury@live.co.uk>
Date: Thu, 7 Jun 2018 11:18:22 -0700
Subject: [PATCH] visualizer: (fixes #1210)  Pyviz visualizer bounds are
 hardcoded

---
 src/visualizer/visualizer/core.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/visualizer/visualizer/core.py b/src/visualizer/visualizer/core.py
index 7a6b29a5a..7206347bb 100644
--- a/src/visualizer/visualizer/core.py
+++ b/src/visualizer/visualizer/core.py
@@ -411,6 +411,22 @@ class Node(PyVizObject):
         if self._label_canvas_item is not None:
             self._label_canvas_item.set_properties(x=x, y=(y+self._size*3))
 
+        # If the location of the point is now beyond the bounds of the
+        # canvas then those bounds now need to be increased
+        bounds = self.visualizer.canvas.get_bounds()
+
+        (min_x, min_y, max_x, max_y) = bounds
+
+        min_x = min(x, min_x)
+        min_y = min(y, min_y)
+        max_x = max(x, max_x)
+        max_y = max(y, max_y)
+
+        new_bounds = (min_x, min_y, max_x, max_y)
+
+        if new_bounds != bounds:
+            self.visualizer.canvas.set_bounds(*new_bounds)
+
     def get_position(self):
         """!
         Get position function.