remove calls to setSelection

demo.js

@@ -30,23 +30,20 @@ function points() {
   var go = viewer.points('structure', structure, {
                          color: color.byResidueProp('num'),
                          showRelated : '1' });
-  go.setSelection(structure.select({ rnumRange : [15,20] }));
 }
 
 function lines() {
   viewer.clear();
   var go = viewer.lines('structure', structure, {
               color: color.byResidueProp('num'),
               showRelated : '1' });
-  go.setSelection(structure.select({ rnumRange : [15,20] }));
 }
 
 function cartoon() {
   viewer.clear();
   var go = viewer.cartoon('structure', structure, {
       color : color.ssSuccession(), showRelated : '1',
   });
-  go.setSelection(structure.select({ rnumRange : [15,20] }));
 
   var rotation = viewpoint.principalAxes(go);
   viewer.setRotation(rotation)
@@ -55,20 +52,17 @@ function cartoon() {
 function lineTrace() {
   viewer.clear();
   var go = viewer.lineTrace('structure', structure, { showRelated : '1' });
-  go.setSelection(structure.select({ rnumRange : [15,20] }));
 }
 
 function spheres() {
   viewer.clear();
   var go = viewer.spheres('structure', structure, { showRelated : '1' });
-  go.setSelection(structure.select({ rnumRange : [15,20] }));
 }
 
 function sline() {
   viewer.clear();
   var go = viewer.sline('structure', structure,
           { color : color.uniform('red'), showRelated : '1'});
-  go.setSelection(structure.select({ rnumRange : [15,20] }));
 }
 
 function tube() {
@@ -77,19 +71,16 @@ function tube() {
   viewer.lines('structure.ca', structure.select({aname :'CA'}),
             { color: color.uniform('blue'), lineWidth : 1,
               showRelated : '1' });
-  go.setSelection(structure.select({ rnumRange : [15,20] }));
 }
 
 function trace() {
   viewer.clear();
   var go = viewer.trace('structure', structure, { showRelated : '1' });
-  go.setSelection(structure.select({ rnumRange : [15,20] }));
 
 }
 function ballsAndSticks() {
   viewer.clear();
   var go = viewer.ballsAndSticks('structure', structure, { showRelated : '1' });
-  go.setSelection(structure.select({ rnumRange : [15,20] }));
 }
 
 function preset() {
@@ -254,7 +245,7 @@ $('#load-from-pdb').change(function() {
   });
 });
 viewer = pv.Viewer(document.getElementById('viewer'), { 
-    width : 'auto', height: 'auto', antialias : true, 
+    width : 'auto', height: 'auto', antialias : true, fog : true,
     outline : true, quality : 'medium', style : 'hemilight',
     background : '#fff', animateTime: 500, doubleClick : null
 });