small changes

index.html

@@ -406,6 +406,7 @@
             <li><a id="navPattern" href="#">Pattern</a></li>
             <li><a id="navSimulation" href="#">Simulation</a></li>
             <li><a id="about" class="menuHoverControls" target="_blank" href="#">About</a></li>
+            <li><a id="tips" class="menuHoverControls" target="_blank" href="#">File Import Tips</a></li>
         </ul>
 
     </div><!-- /.navbar-collapse -->
@@ -532,6 +533,17 @@
         </div><!-- /.modal-content -->
     </div><!-- /.modal-dialog -->
 </div><!-- /.modal -->
+<div class="modal fade" id="tipsModal" tabindex="-1" role="dialog">
+    <div class="modal-dialog modal-lg">
+        <div class="modal-content">
+            <div class="modal-body">
+                <p><b>File Import Tips</b><br/><br/>
+                    ....
+                </p>
+            </div>
+        </div><!-- /.modal-content -->
+    </div><!-- /.modal-dialog -->
+</div><!-- /.modal -->
 <div class="modal fade" id="exportSTLModal" tabindex="-1" role="dialog">
     <div class="modal-dialog modal-med">
         <div class="modal-content">

js/controls.js

@@ -17,6 +17,9 @@ function initControls(globals){
     setLink("#about", function(){
         $('#aboutModal').modal('show');
     });
+    setLink("#tips", function(){
+        $('#tipsModal').modal('show');
+    });
 
     setLink("#exportSTL", function(){
         $('#exportSTLModal').modal('show');
@@ -112,7 +115,11 @@ function initControls(globals){
                     parseTXTjson(json);
                 });
 
-            } else globals.pattern.loadSVG("assets/" + url);
+            } else {
+                globals.filename = name;
+                globals.extension = extension;
+                globals.pattern.loadSVG("assets/" + url);
+            }
         }
     });
 

js/globals.js

@@ -47,8 +47,10 @@ function initGlobals(){
         //import pattern settings
         vertTol: 3,//vertex merge tolerance
 
+        //save stl settings
         filename: null,
-        extension: null
+        extension: null,
+        doublesidedSTL: false
 
     };
 

js/saveSTL.js

@@ -4,11 +4,16 @@
 
 function saveSTL(){
 
-    var geo = globals.model.getGeometry();
+    var geo = globals.model.getGeometry().clone();
     if (geo.vertices.length == 0) {
         globals.warn("No geometry to save.");
         return;
     }
+    if (!globals.doublesidedSTL){
+        for (var i=0;i<geo.faces.length/2;i++){
+            geo.faces.pop();
+        }
+    }
 
     var data = [];
     data.push({geo: geo, offset:new THREE.Vector3(0,0,0), orientation:new THREE.Quaternion(0,0,0,1)});