--- a/client/js/defaults.js	Thu Jun 18 16:25:21 2015 +0200
+++ b/client/js/defaults.js	Thu Jun 18 16:50:54 2015 +0200
@@ -114,6 +114,8 @@
         /* Maximum displayed text length */
     label_untitled_nodes: "(untitled)",
         /* Label to display on untitled nodes */
+    hide_nodes: true, 
+    /* allow hide/show nodes */
     change_shapes: true,
         /* Change shapes enabled */
     change_types: true,

--- a/client/js/renderer/nodeeditbutton.js	Thu Jun 18 16:25:21 2015 +0200
+++ b/client/js/renderer/nodeeditbutton.js	Thu Jun 18 16:50:54 2015 +0200
@@ -13,8 +13,8 @@
         _init: function() {
             this.type = "Node-edit-button";
             this.lastSectorInner = 0;
-            this.startAngle = -125;
-            this.endAngle = -55;
+            this.startAngle = this.options.hide_nodes ? -125 : -135;
+            this.endAngle = this.options.hide_nodes ? -55 : -45;
             this.imageName = "edit";
             this.text = "Edit";
         },

--- a/client/js/renderer/nodeenlargebutton.js	Thu Jun 18 16:25:21 2015 +0200
+++ b/client/js/renderer/nodeenlargebutton.js	Thu Jun 18 16:50:54 2015 +0200
@@ -14,8 +14,8 @@
         _init: function() {
             this.type = "Node-enlarge-button";
             this.lastSectorInner = 0;
-            this.startAngle = -55;
-            this.endAngle = -10;
+            this.startAngle = this.options.hide_nodes ? -55 : -45;
+            this.endAngle = this.options.hide_nodes ? -10 : 0;
             this.imageName = "enlarge";
             this.text = "Enlarge";
         },

--- a/client/js/renderer/nodelinkbutton.js	Thu Jun 18 16:25:21 2015 +0200
+++ b/client/js/renderer/nodelinkbutton.js	Thu Jun 18 16:50:54 2015 +0200
@@ -13,8 +13,8 @@
         _init: function() {
             this.type = "Node-link-button";
             this.lastSectorInner = 0;
-            this.startAngle = 135;
-            this.endAngle = 190;
+            this.startAngle = this.options.hide_nodes ? 135 : 90;
+            this.endAngle = this.options.hide_nodes ? 190 : 180;
             this.imageName = "link";
             this.text = "Link to another node";
         },

--- a/client/js/renderer/noderemovebutton.js	Thu Jun 18 16:25:21 2015 +0200
+++ b/client/js/renderer/noderemovebutton.js	Thu Jun 18 16:50:54 2015 +0200
@@ -13,8 +13,8 @@
         _init: function() {
             this.type = "Node-remove-button";
             this.lastSectorInner = 0;
-            this.startAngle = -10;
-            this.endAngle = 45;
+            this.startAngle = this.options.hide_nodes ? -10 : 0;
+            this.endAngle = this.options.hide_nodes ? 45 : 90;
             this.imageName = "remove";
             this.text = "Remove";
         },

--- a/client/js/renderer/noderepr.js	Thu Jun 18 16:25:21 2015 +0200
+++ b/client/js/renderer/noderepr.js	Thu Jun 18 16:50:54 2015 +0200
@@ -32,12 +32,16 @@
                 this.normal_buttons = [
                                        new Renderer.NodeEditButton(this.renderer, null),
                                        new Renderer.NodeRemoveButton(this.renderer, null),
-                                       new Renderer.NodeHideButton(this.renderer, null),
-                                       new Renderer.NodeShowButton(this.renderer, null),
                                        new Renderer.NodeLinkButton(this.renderer, null),
                                        new Renderer.NodeEnlargeButton(this.renderer, null),
                                        new Renderer.NodeShrinkButton(this.renderer, null)
                                        ];
+                if (this.options.hide_nodes){
+                    this.normal_buttons.push(
+                            new Renderer.NodeHideButton(this.renderer, null),
+                            new Renderer.NodeShowButton(this.renderer, null)
+                            );
+                }
                 this.pending_delete_buttons = [
                                                new Renderer.NodeRevertButton(this.renderer, null)
                                                ];

--- a/client/js/renderer/nodeshrinkbutton.js	Thu Jun 18 16:25:21 2015 +0200
+++ b/client/js/renderer/nodeshrinkbutton.js	Thu Jun 18 16:50:54 2015 +0200
@@ -13,8 +13,8 @@
         _init: function() {
             this.type = "Node-shrink-button";
             this.lastSectorInner = 0;
-            this.startAngle = -170;
-            this.endAngle = -125;
+            this.startAngle = this.options.hide_nodes ? -170 : -180;
+            this.endAngle = this.options.hide_nodes ? -125 : -135;
             this.imageName = "shrink";
             this.text = "Shrink";
         },

--- a/client/js/renderer/scene.js	Thu Jun 18 16:25:21 2015 +0200
+++ b/client/js/renderer/scene.js	Thu Jun 18 16:50:54 2015 +0200
@@ -246,8 +246,10 @@
             if(view){
                 _this.showNodes(false);
                 _this.setScale(view.get("zoom_level"), new paper.Point(view.get("offset")));
-                _this.hiddenNodes = (view.get("hidden_nodes") || []).concat();
-                _this.hideNodes();
+                if (_this.renkan.options.hide_nodes){
+                    _this.hiddenNodes = (view.get("hidden_nodes") || []).concat();
+                    _this.hideNodes();                    
+                }
             }
         });
         this.$.find(".Rk-ShowHiddenNodes").mouseenter( function() {

--- a/client/templates/scene.html	Thu Jun 18 16:25:21 2015 +0200
+++ b/client/templates/scene.html	Thu Jun 18 16:50:54 2015 +0200
@@ -145,7 +145,9 @@
                 <% } %>
                 <% if (options.save_view) { %>
                     <div class="Rk-ZoomSetSaved" title="<%-translate('View saved view')%>"></div>
-                	<div class="Rk-ShowHiddenNodes" title="<%-translate('Show hidden nodes')%>"></div>
+                    <% if (options.hide_nodes) { %>
+                	   <div class="Rk-ShowHiddenNodes" title="<%-translate('Show hidden nodes')%>"></div>
+                    <% } %>       
                 <% } %>
             </div>
         <% } %>

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/client/test/test-writable-simple-no-hide.html	Thu Jun 18 16:50:54 2015 +0200
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html lang="fr">
+    <head>
+        <meta charset="utf-8" />
+        <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
+        <title>Test de Rendu RENKAN</title>
+        <meta name="description" content="" />
+        <meta name="author" content="Institut de Recherche et d'Innovation" />
+        <script src="../lib/jquery/jquery.js"></script>
+        <script src="../lib/jquery-mousewheel/jquery.mousewheel.js"></script>
+        <script src="../lib/lodash/lodash.js"></script>
+        <script src="../lib/backbone/backbone.js"></script>
+        <script src="../lib/backbone-relational/backbone-relational.js"></script>
+        <script src="../lib/paper/paper-full.js"></script>
+        <script src="../js/main.js"></script>
+        <script src="../js/dataloader.js"></script>
+        <script src="../js/router.js"></script>
+        <script src="../js/models.js"></script>
+        <script src="../js/defaults.js"></script>
+        <script src="../js/i18n.js"></script>
+        <script src="../dist/js/templates.js"></script>
+        <script src="../js/full-json.js"></script>
+        <script src="../js/ldtjson-bin.js"></script>
+        <script src="../js/list-bin.js"></script>
+        <script src="../js/wikipedia-bin.js"></script>
+        <script data-main="../js/main-renderer" src="../lib/requirejs/require.js"></script>
+        <script type="text/javascript">
+            function startRenkan(){
+            	var _renkan = new Rkns.Renkan({
+                    property_files: [ "../data/properties.json" ],
+                    hide_nodes: false,
+                    /*user_id: "u-iri",
+                    language: "fr",
+                    node_fill_color: false*/
+                	show_bins: false,
+                    static_url: "../"
+                });
+                Rkns.jsonIO(_renkan, {
+                    url: "/simple-persist"
+                });
+            };
+        </script>
+        <link rel="stylesheet" href="../css/renkan.css" />
+    </head>
+
+    <body>
+        <div id="renkan"></div>
+    </body>
+</html>