diff --git a/applications/admin/controllers/appadmin.py b/applications/admin/controllers/appadmin.py
index e72b3dab..2935959d 100644
--- a/applications/admin/controllers/appadmin.py
+++ b/applications/admin/controllers/appadmin.py
@@ -12,12 +12,6 @@ import gluon.contenttype
 import gluon.fileutils
 from gluon._compat import iteritems
 
-# d3_graph_model added but leaving pygraphviz code as is for initial tests.
-try:
-    import pygraphviz as pgv
-except ImportError:
-    pgv = None
-
 is_gae = request.env.web2py_runtime_gae or False
 
 # ## critical --- make a copy of the environment
@@ -566,60 +560,6 @@ def table_template(table):
                                           _cellborder=0, _cellspacing=0)
                              ).xml()
 
-
-# d3_graph_model added but leaving pygraphviz code as is for initial tests.
-# The Graph Model button in admin app  views/default/design.html has been redirected 
-# to the d3_graph_model function.
-def bg_graph_model():
-    graph = pgv.AGraph(layout='dot',  directed=True,  strict=False,  rankdir='LR')
-
-    subgraphs = dict()
-    for tablename in db.tables:
-        if hasattr(db[tablename],'_meta_graphmodel'):
-            meta_graphmodel = db[tablename]._meta_graphmodel
-        else:
-            meta_graphmodel = dict(group=request.application, color='#ECECEC')
-
-        group = meta_graphmodel['group'].replace(' ', '')
-        if group not in subgraphs:
-            subgraphs[group] = dict(meta=meta_graphmodel, tables=[])
-        subgraphs[group]['tables'].append(tablename)
-
-        graph.add_node(tablename, name=tablename, shape='plaintext',
-                       label=table_template(tablename))
-
-    for n, key in enumerate(subgraphs.iterkeys()):
-        graph.subgraph(nbunch=subgraphs[key]['tables'],
-                    name='cluster%d' % n,
-                    style='filled',
-                    color=subgraphs[key]['meta']['color'],
-                    label=subgraphs[key]['meta']['group'])
-
-    for tablename in db.tables:
-        for field in db[tablename]:
-            f_type = field.type
-            if isinstance(f_type,str) and (
-                f_type.startswith('reference') or
-                f_type.startswith('list:reference')):
-                referenced_table = f_type.split()[1].split('.')[0]
-                n1 = graph.get_node(tablename)
-                n2 = graph.get_node(referenced_table)
-                graph.add_edge(n1, n2, color="#4C4C4C", label='')
-
-    graph.layout()
-    if not request.args:
-        response.headers['Content-Type'] = 'image/png'
-        return graph.draw(format='png', prog='dot')
-    else:
-        response.headers['Content-Disposition']='attachment;filename=graph.%s'%request.args(0)
-        if request.args(0) == 'dot':
-            return graph.string()
-        else:
-            return graph.draw(format=request.args(0), prog='dot')
-
-def graph_model():
-    return dict(databases=databases, pgv=pgv)
-
 def manage():
     tables = manager_action['tables']
     if isinstance(tables[0], str):
@@ -752,4 +692,4 @@ def d3_graph_model():
     # d3 v4 allows individual modules to be specified.  The complete d3 library is included below.
     response.files.append(URL('static','js/d3.min.js'))
     response.files.append(URL('static','js/d3_graph.js'))
-    return dict(nodes=nodes, links=links)
\ No newline at end of file
+    return dict(databases=databases, nodes=nodes, links=links)
\ No newline at end of file
diff --git a/applications/welcome/static/css/d3_graph.css b/applications/admin/static/css/d3_graph.css
similarity index 100%
rename from applications/welcome/static/css/d3_graph.css
rename to applications/admin/static/css/d3_graph.css
diff --git a/applications/welcome/static/js/d3.min.js b/applications/admin/static/js/d3.min.js
similarity index 100%
rename from applications/welcome/static/js/d3.min.js
rename to applications/admin/static/js/d3.min.js
diff --git a/applications/welcome/static/js/d3_graph.js b/applications/admin/static/js/d3_graph.js
similarity index 100%
rename from applications/welcome/static/js/d3_graph.js
rename to applications/admin/static/js/d3_graph.js
diff --git a/applications/admin/views/appadmin.html b/applications/admin/views/appadmin.html
index c92e4058..5330b163 100644
--- a/applications/admin/views/appadmin.html
+++ b/applications/admin/views/appadmin.html
@@ -233,43 +233,22 @@
 <div class="clear"></div>
 {{pass}}
 
-{{if request.function=='graph_model':}}
-<h2>{{=T("Graph Model")}}</h2>
-  {{if not pgv:}}
-    {{=T('pygraphviz library not found')}}
-  {{elif not databases:}}
-    {{=T("No databases in this application")}}
-  {{else:}}	   
-    <div class="btn-group">
-      <a class="btn dropdown-toggle" data-toggle="dropdown" href="#">
-        <i class="icon-download"></i> {{=T('Save model as...')}}
-        <span class="caret"></span>
-      </a>
-      <ul class="dropdown-menu">
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['png'])}}">png</a></li>
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['svg'])}}">svg</a></li>
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['pdf'])}}">pdf</a></li>
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['ps'])}}">ps</a></li>
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['dot'])}}">dot</a></li>
-      </ul>
-    </div>
-    <br />
-    {{=IMG(_src=URL('appadmin', 'bg_graph_model'))}}
-  {{pass}}
-{{pass}}
-
 {{if request.function=='d3_graph_model':}}
 <h2>{{=T("Graph Model")}}</h2>
-<div id="vis"></div>
-<link rel="stylesheet" href="{{=URL('static','css/d3_graph.css')}}"/>
-<script>
-    // Define the d3 input data
-    {{from gluon.serializers import json }}
-    var nodes = {{=XML(json(nodes))}};
-    var links = {{=XML(json(links))}};
-    d3_graph();
-</script>
-{{pass}}
+  {{if not databases:}}  
+    {{=T("No databases in this application")}}
+  {{else:}}    
+    <div id="vis"></div>
+      <link rel="stylesheet" href="{{=URL('static','css/d3_graph.css')}}"/>
+      <script>
+        // Define the d3 input data
+        {{from gluon.serializers import json }}
+        var nodes = {{=XML(json(nodes))}};
+        var links = {{=XML(json(links))}};
+        d3_graph();
+      </script>
+  {{pass}}
+{{pass}}  
 
 {{if request.function == 'manage':}}
 <h2>{{=heading}}</h2>
diff --git a/applications/admin/views/default/design.html b/applications/admin/views/default/design.html
index ec3ca099..3166dc10 100644
--- a/applications/admin/views/default/design.html
+++ b/applications/admin/views/default/design.html
@@ -105,10 +105,8 @@ def deletefile(arglist, vars={}):
         {{if os.access(os.path.join(request.folder,'..',app,'databases','sql.log'),os.R_OK):}}
             {{=button(URL('peek/%s/databases/sql.log'%app), 'sql.log')}}
         {{pass}}
-        {{if os.access(os.path.join(request.folder,'..',app,'static','js','d3_graph.js'),os.R_OK):}}
+        {{if os.access(os.path.join(request.folder,'..','admin','static','js','d3_graph.js'),os.R_OK):}}
                 {{=button(URL(a=app, c='appadmin',f='d3_graph_model'), T('graph model'))}}
-        {{else:}}
-                {{=button(URL(a=app, c='appadmin',f='graph_model'), T('graph model'))}}
         {{pass}}
     </div>
     <ul class="unstyled act_edit">
diff --git a/applications/examples/controllers/appadmin.py b/applications/examples/controllers/appadmin.py
index e72b3dab..139ad1aa 100644
--- a/applications/examples/controllers/appadmin.py
+++ b/applications/examples/controllers/appadmin.py
@@ -12,12 +12,6 @@ import gluon.contenttype
 import gluon.fileutils
 from gluon._compat import iteritems
 
-# d3_graph_model added but leaving pygraphviz code as is for initial tests.
-try:
-    import pygraphviz as pgv
-except ImportError:
-    pgv = None
-
 is_gae = request.env.web2py_runtime_gae or False
 
 # ## critical --- make a copy of the environment
@@ -566,60 +560,6 @@ def table_template(table):
                                           _cellborder=0, _cellspacing=0)
                              ).xml()
 
-
-# d3_graph_model added but leaving pygraphviz code as is for initial tests.
-# The Graph Model button in admin app  views/default/design.html has been redirected 
-# to the d3_graph_model function.
-def bg_graph_model():
-    graph = pgv.AGraph(layout='dot',  directed=True,  strict=False,  rankdir='LR')
-
-    subgraphs = dict()
-    for tablename in db.tables:
-        if hasattr(db[tablename],'_meta_graphmodel'):
-            meta_graphmodel = db[tablename]._meta_graphmodel
-        else:
-            meta_graphmodel = dict(group=request.application, color='#ECECEC')
-
-        group = meta_graphmodel['group'].replace(' ', '')
-        if group not in subgraphs:
-            subgraphs[group] = dict(meta=meta_graphmodel, tables=[])
-        subgraphs[group]['tables'].append(tablename)
-
-        graph.add_node(tablename, name=tablename, shape='plaintext',
-                       label=table_template(tablename))
-
-    for n, key in enumerate(subgraphs.iterkeys()):
-        graph.subgraph(nbunch=subgraphs[key]['tables'],
-                    name='cluster%d' % n,
-                    style='filled',
-                    color=subgraphs[key]['meta']['color'],
-                    label=subgraphs[key]['meta']['group'])
-
-    for tablename in db.tables:
-        for field in db[tablename]:
-            f_type = field.type
-            if isinstance(f_type,str) and (
-                f_type.startswith('reference') or
-                f_type.startswith('list:reference')):
-                referenced_table = f_type.split()[1].split('.')[0]
-                n1 = graph.get_node(tablename)
-                n2 = graph.get_node(referenced_table)
-                graph.add_edge(n1, n2, color="#4C4C4C", label='')
-
-    graph.layout()
-    if not request.args:
-        response.headers['Content-Type'] = 'image/png'
-        return graph.draw(format='png', prog='dot')
-    else:
-        response.headers['Content-Disposition']='attachment;filename=graph.%s'%request.args(0)
-        if request.args(0) == 'dot':
-            return graph.string()
-        else:
-            return graph.draw(format=request.args(0), prog='dot')
-
-def graph_model():
-    return dict(databases=databases, pgv=pgv)
-
 def manage():
     tables = manager_action['tables']
     if isinstance(tables[0], str):
@@ -750,6 +690,6 @@ def d3_graph_model():
         nodes.append(dict(name=tablename, type="table", fields = fields))
 
     # d3 v4 allows individual modules to be specified.  The complete d3 library is included below.
-    response.files.append(URL('static','js/d3.min.js'))
-    response.files.append(URL('static','js/d3_graph.js'))
-    return dict(nodes=nodes, links=links)
\ No newline at end of file
+    response.files.append(URL('admin','static','js/d3.min.js'))
+    response.files.append(URL('admin','static','js/d3_graph.js'))
+    return dict(databases=databases, nodes=nodes, links=links)
diff --git a/applications/examples/views/appadmin.html b/applications/examples/views/appadmin.html
index c92e4058..5330b163 100644
--- a/applications/examples/views/appadmin.html
+++ b/applications/examples/views/appadmin.html
@@ -233,43 +233,22 @@
 <div class="clear"></div>
 {{pass}}
 
-{{if request.function=='graph_model':}}
-<h2>{{=T("Graph Model")}}</h2>
-  {{if not pgv:}}
-    {{=T('pygraphviz library not found')}}
-  {{elif not databases:}}
-    {{=T("No databases in this application")}}
-  {{else:}}	   
-    <div class="btn-group">
-      <a class="btn dropdown-toggle" data-toggle="dropdown" href="#">
-        <i class="icon-download"></i> {{=T('Save model as...')}}
-        <span class="caret"></span>
-      </a>
-      <ul class="dropdown-menu">
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['png'])}}">png</a></li>
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['svg'])}}">svg</a></li>
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['pdf'])}}">pdf</a></li>
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['ps'])}}">ps</a></li>
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['dot'])}}">dot</a></li>
-      </ul>
-    </div>
-    <br />
-    {{=IMG(_src=URL('appadmin', 'bg_graph_model'))}}
-  {{pass}}
-{{pass}}
-
 {{if request.function=='d3_graph_model':}}
 <h2>{{=T("Graph Model")}}</h2>
-<div id="vis"></div>
-<link rel="stylesheet" href="{{=URL('static','css/d3_graph.css')}}"/>
-<script>
-    // Define the d3 input data
-    {{from gluon.serializers import json }}
-    var nodes = {{=XML(json(nodes))}};
-    var links = {{=XML(json(links))}};
-    d3_graph();
-</script>
-{{pass}}
+  {{if not databases:}}  
+    {{=T("No databases in this application")}}
+  {{else:}}    
+    <div id="vis"></div>
+      <link rel="stylesheet" href="{{=URL('static','css/d3_graph.css')}}"/>
+      <script>
+        // Define the d3 input data
+        {{from gluon.serializers import json }}
+        var nodes = {{=XML(json(nodes))}};
+        var links = {{=XML(json(links))}};
+        d3_graph();
+      </script>
+  {{pass}}
+{{pass}}  
 
 {{if request.function == 'manage':}}
 <h2>{{=heading}}</h2>
diff --git a/applications/welcome/controllers/appadmin.py b/applications/welcome/controllers/appadmin.py
index e72b3dab..139ad1aa 100644
--- a/applications/welcome/controllers/appadmin.py
+++ b/applications/welcome/controllers/appadmin.py
@@ -12,12 +12,6 @@ import gluon.contenttype
 import gluon.fileutils
 from gluon._compat import iteritems
 
-# d3_graph_model added but leaving pygraphviz code as is for initial tests.
-try:
-    import pygraphviz as pgv
-except ImportError:
-    pgv = None
-
 is_gae = request.env.web2py_runtime_gae or False
 
 # ## critical --- make a copy of the environment
@@ -566,60 +560,6 @@ def table_template(table):
                                           _cellborder=0, _cellspacing=0)
                              ).xml()
 
-
-# d3_graph_model added but leaving pygraphviz code as is for initial tests.
-# The Graph Model button in admin app  views/default/design.html has been redirected 
-# to the d3_graph_model function.
-def bg_graph_model():
-    graph = pgv.AGraph(layout='dot',  directed=True,  strict=False,  rankdir='LR')
-
-    subgraphs = dict()
-    for tablename in db.tables:
-        if hasattr(db[tablename],'_meta_graphmodel'):
-            meta_graphmodel = db[tablename]._meta_graphmodel
-        else:
-            meta_graphmodel = dict(group=request.application, color='#ECECEC')
-
-        group = meta_graphmodel['group'].replace(' ', '')
-        if group not in subgraphs:
-            subgraphs[group] = dict(meta=meta_graphmodel, tables=[])
-        subgraphs[group]['tables'].append(tablename)
-
-        graph.add_node(tablename, name=tablename, shape='plaintext',
-                       label=table_template(tablename))
-
-    for n, key in enumerate(subgraphs.iterkeys()):
-        graph.subgraph(nbunch=subgraphs[key]['tables'],
-                    name='cluster%d' % n,
-                    style='filled',
-                    color=subgraphs[key]['meta']['color'],
-                    label=subgraphs[key]['meta']['group'])
-
-    for tablename in db.tables:
-        for field in db[tablename]:
-            f_type = field.type
-            if isinstance(f_type,str) and (
-                f_type.startswith('reference') or
-                f_type.startswith('list:reference')):
-                referenced_table = f_type.split()[1].split('.')[0]
-                n1 = graph.get_node(tablename)
-                n2 = graph.get_node(referenced_table)
-                graph.add_edge(n1, n2, color="#4C4C4C", label='')
-
-    graph.layout()
-    if not request.args:
-        response.headers['Content-Type'] = 'image/png'
-        return graph.draw(format='png', prog='dot')
-    else:
-        response.headers['Content-Disposition']='attachment;filename=graph.%s'%request.args(0)
-        if request.args(0) == 'dot':
-            return graph.string()
-        else:
-            return graph.draw(format=request.args(0), prog='dot')
-
-def graph_model():
-    return dict(databases=databases, pgv=pgv)
-
 def manage():
     tables = manager_action['tables']
     if isinstance(tables[0], str):
@@ -750,6 +690,6 @@ def d3_graph_model():
         nodes.append(dict(name=tablename, type="table", fields = fields))
 
     # d3 v4 allows individual modules to be specified.  The complete d3 library is included below.
-    response.files.append(URL('static','js/d3.min.js'))
-    response.files.append(URL('static','js/d3_graph.js'))
-    return dict(nodes=nodes, links=links)
\ No newline at end of file
+    response.files.append(URL('admin','static','js/d3.min.js'))
+    response.files.append(URL('admin','static','js/d3_graph.js'))
+    return dict(databases=databases, nodes=nodes, links=links)
diff --git a/applications/welcome/views/appadmin.html b/applications/welcome/views/appadmin.html
index c92e4058..5330b163 100644
--- a/applications/welcome/views/appadmin.html
+++ b/applications/welcome/views/appadmin.html
@@ -233,43 +233,22 @@
 <div class="clear"></div>
 {{pass}}
 
-{{if request.function=='graph_model':}}
-<h2>{{=T("Graph Model")}}</h2>
-  {{if not pgv:}}
-    {{=T('pygraphviz library not found')}}
-  {{elif not databases:}}
-    {{=T("No databases in this application")}}
-  {{else:}}	   
-    <div class="btn-group">
-      <a class="btn dropdown-toggle" data-toggle="dropdown" href="#">
-        <i class="icon-download"></i> {{=T('Save model as...')}}
-        <span class="caret"></span>
-      </a>
-      <ul class="dropdown-menu">
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['png'])}}">png</a></li>
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['svg'])}}">svg</a></li>
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['pdf'])}}">pdf</a></li>
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['ps'])}}">ps</a></li>
-          <li><a href="{{=URL('appadmin', 'bg_graph_model', args=['dot'])}}">dot</a></li>
-      </ul>
-    </div>
-    <br />
-    {{=IMG(_src=URL('appadmin', 'bg_graph_model'))}}
-  {{pass}}
-{{pass}}
-
 {{if request.function=='d3_graph_model':}}
 <h2>{{=T("Graph Model")}}</h2>
-<div id="vis"></div>
-<link rel="stylesheet" href="{{=URL('static','css/d3_graph.css')}}"/>
-<script>
-    // Define the d3 input data
-    {{from gluon.serializers import json }}
-    var nodes = {{=XML(json(nodes))}};
-    var links = {{=XML(json(links))}};
-    d3_graph();
-</script>
-{{pass}}
+  {{if not databases:}}  
+    {{=T("No databases in this application")}}
+  {{else:}}    
+    <div id="vis"></div>
+      <link rel="stylesheet" href="{{=URL('static','css/d3_graph.css')}}"/>
+      <script>
+        // Define the d3 input data
+        {{from gluon.serializers import json }}
+        var nodes = {{=XML(json(nodes))}};
+        var links = {{=XML(json(links))}};
+        d3_graph();
+      </script>
+  {{pass}}
+{{pass}}  
 
 {{if request.function == 'manage':}}
 <h2>{{=heading}}</h2>