1. fixed trembling bug introduced recently (M reassigning before getting correct translation)

js/x3dom_functions.js

@@ -282,17 +282,15 @@ function x3dom_altelev(alt,elev){
     var mat = Scene.element.runtime.viewMatrix().inverse();
     var R0 = Data.camera.Matrices.R0;
     //var T = x3dom_toYawPitchRoll();    
+    var from = mat.e3();
+    from.y = alt;
+    
 
     var mat = R0.mult(mat);
     var ypr = x3dom_YawPitchRoll_nc(mat);
     var ypr2 = x3dom_YawPitchRoll_nc_degs(mat);
-    console.log("Check1");
-    console.log(ypr2);
-    
-    var from = mat.e3();
-    
-    console.log(from);
-    from.y = alt;
+    //console.log("Check1");
+    //console.log(ypr2);
     
     var az = ypr.yaw;
     var el = elev;
@@ -309,8 +307,8 @@ function x3dom_altelev(alt,elev){
     var R_w = R0.inverse().mult(R_rw);
 
     var ypr2 = x3dom_YawPitchRoll_nc_degs(R_rw);
-    console.log("Check2");
-    console.log(ypr2);
+    //console.log("Check2");
+    //console.log(ypr2);
     
     var matt  = x3dom.fields.SFMatrix4f.translation(from);
 
@@ -318,8 +316,6 @@ function x3dom_altelev(alt,elev){
 
     x3dom_setViewpoint(newmat);
 
-    console.log(newmat.e3());
-
 }
 
 /**
@@ -599,6 +595,8 @@ function x3dom_update_map(){
 // uses globals
 function x3dom_setViewpoint(m){
 
+    console.log("Setting a viewpoint");
+    
     var Q = new x3dom.fields.Quaternion(0, 0, 1, 0);
     Q.setValue(m);
     var AA = Q.toAxisAngle();