added plotly feature for integration

Author: Aaron Titus

vpython/vpython.py

@@ -97,7 +97,7 @@
           'right':'q', 'top':'r', 'bottom':'s', '_cloneid':'t',
           'logx':'u', 'logy':'v', 'dot':'w', 'dot_radius':'x',
           'markers':'y', 'legend':'z', 'label':'A', 'delta':'B', 'marker_color':'C',
-          'size_units':'D', 'userpan':'E', 'scroll':'F'}
+          'size_units':'D', 'userpan':'E', 'scroll':'F', 'integrate_selected':'G'}
 
 # methods are X in {'m': '23X....'}
 # pos is normally updated as an attribute, but for interval-based trails, it is updated (multiply) as a method
@@ -2027,6 +2027,7 @@ def setup(self, args):
         self._legend = False
         self._interval = -1
         self._graph = None
+        self._integrate_selected = False
         objName = args['_objName']
         del args['_objName']
         self._constructing = True ## calls are from constructor
@@ -2247,6 +2248,13 @@ def __init__(self, **args):
         args['_objName'] = "gdots"
         super(gdots, self).setup(args)
 
+    @property
+    def integrate_selected(self): return self._integrate_selected
+    @integrate_selected.setter
+    def integrate_selected(self,val):
+        self._integrate_selected = val
+        self.addattr('integrate_selected')
+
 class gvbars(gobj):
     def __init__(self, **args):
         args['_objName'] = "gvbars"

vpython/vpython_libraries/glow.min.js

@@ -393,7 +393,7 @@
               'p':'left', 'q':'right', 'r':'top', 's':'bottom', 't':'_cloneid',
               'u':'logx', 'v':'logy', 'w':'dot', 'x':'dot_radius', 
               'y':'markers', 'z':'legend', 'A':'label','B':'delta', 'C':'marker_color',
-              'D':'size_units', 'E':'userpan', 'F':'scroll'}
+              'D':'size_units', 'E':'userpan', 'F':'scroll', 'G':'integrate_selected'}
 
 // methods are X in {'m': '23X....'}
 var methods = {'a':'select', 'b':'pos', 'c':'start', 'd':'stop', 'f':'clear', // unused eghijklmnopvxyzCDFAB

vpython/vpython_libraries/glowcomm.html

@@ -423,7 +423,7 @@ var attrsb = {'a':'userzoom', 'b':'userspin', 'c':'range', 'd':'autoscale', 'e':
               'p':'left', 'q':'right', 'r':'top', 's':'bottom', 't':'_cloneid',
               'u':'logx', 'v':'logy', 'w':'dot', 'x':'dot_radius', 
               'y':'markers', 'z':'legend', 'A':'label','B':'delta', 'C':'marker_color',
-              'D':'size_units', 'E':'userpan', 'F':'scroll'}
+              'D':'size_units', 'E':'userpan', 'F':'scroll', 'G':integrate_selected}
 
 // methods are X in {'m': '23X....'}
 var methods = {'a':'select', 'b':'pos', 'c':'start', 'd':'stop', 'f':'clear', // unused eghijklmnopvxyzCDFAB