First cut at demo plots

- Clean up extraneous print statements in the test program
- First attempt at Bokeh plot.py
- Sample chart for outA - motor reset command seems to take a
  while to have any effect

Author: rhempel

tests/motor/outA.html

@@ -0,0 +1,33 @@
+import json
+import bokeh.plotting
+import bokeh.embed
+import bokeh.resources
+import bokeh.models
+
+#bokeh.plotting.output_notebook()
+test = json.loads( open( 'motorlog.json' ).read() )
+
+r = bokeh.resources.Resources()
+
+for k,d in test['data'].items():
+    print k
+    x  = [row[0] for row in d]
+    y0  = [row[1][0] for row in d]
+    y1  = [row[1][1] for row in d]
+    y2  = [row[1][2] for row in d]
+
+    p = bokeh.plotting.figure(height=300, width=800, title=k)
+
+    p.y_range=bokeh.models.Range1d(-200,2000)
+    p.extra_y_ranges = { 'foo': bokeh.models.Range1d(start=-200, end=2000),
+                     'duty_cycle': bokeh.models.Range1d(start=-10, end=100) }
+    #p.add_layout( bokeh.models.LinearAxis(y_range_name='position'), 'right')
+    p.add_layout( bokeh.models.LinearAxis(y_range_name='duty_cycle'), 'right')
+
+    p.line(x, y0, legend='speed', line_width=2, color='red', y_range_name='foo')
+    p.line(x, y1, legend='position', line_width=2, color='blue', y_range_name='foo')
+    p.line(x, y2, legend='duty_cycle', line_width=2, color= 'green', y_range_name='duty_cycle')
+
+    o = open('{0}.html'.format(k), 'w')
+    o.write( bokeh.embed.file_html(p, r, title='foo' ) )
+

tests/motor/plot.py

@@ -59,14 +59,11 @@ def join(self, timeout=None):
 for a in test['actions']:
     then = start + a['time'] * 1e-3
     while time.time() < then: pass
-    print a['time']
 
     for p,c in a['ports'].items():
-        print "  ", p
         for b in c:
             for k,v in b.items():
                 setattr( device[p], k, v )
-                print "        ", k, v
 
 while time.time() < end:
     pass