diff --git a/ExportThreeJS.cpp b/ExportThreeJS.cpp
index 0495912..1510fb5 100644
--- a/ExportThreeJS.cpp
+++ b/ExportThreeJS.cpp
@@ -1,4 +1,4 @@
-//----------------------------------------------------------------------------
+ï»¿//----------------------------------------------------------------------------
 //  EgalWare 2022-2022
 //----------------------------------------------------------------------------
 // File : ExportThreeJS.cpp       Data : 05.07.22         Versione : 1.5h2
@@ -63,7 +63,7 @@ ExportThreeJS::SetOptions( int nFilter)
 
 //----------------------------------------------------------------------------
 bool
-ExportThreeJS::Export( IGeomDB* pGDB, int nId, const string& sFile,  IEGrScene* pScene)
+ExportThreeJS::Export( IGeomDB* pGDB, int nId, const string& sFile,  IEGrScene* pScene, bool bUdm)
 {
     // verifico il DB geometrico
     if ( pGDB == nullptr) {
@@ -87,6 +87,13 @@ ExportThreeJS::Export( IGeomDB* pGDB, int nId, const string& sFile,  IEGrScene*
             return false ;
     }
 
+    // prelevo le unitÃ  di misura
+    m_bUdm_mm = bUdm;
+    m_sUdm = "in";
+    if (m_bUdm_mm) {
+        m_sUdm = "mm";
+    }
+
     // prelevo il Box3D globale (per ingombro e punto luce)
     BBox3d b3Globbox ;
     pGDB->GetGlobalBBox( nId, b3Globbox, BBF_ONLY_VISIBLE) ;
@@ -94,6 +101,9 @@ ExportThreeJS::Export( IGeomDB* pGDB, int nId, const string& sFile,  IEGrScene*
     // m_dScala = max( m_dimX, m_dimY, m_dimZ) / 200 ;
     m_ptMin.ToLoc( m_frTHREEJSFrame) ;
 
+    // setto i filter 
+    // m_nFilter = nFilter;
+
     // creazione parte iniziale della pagina html
     bool bOk = HeadAmbient( pScene, pGDB, nId) ;
 
@@ -104,8 +114,8 @@ ExportThreeJS::Export( IGeomDB* pGDB, int nId, const string& sFile,  IEGrScene*
     pIter->GoTo( nId) ;
     // esporto l'oggetto e i suoi eventuali figli
     bOk = ExportObject( *pIter, pGDB, m_nGroupCount) ;
-    // fine creazione menù con elementi globali
-    m_Writer.OutText( "                 groupRoot.add(group0)");
+    // fine creazione menÃ¹ con elementi globali
+    m_Writer.OutText( "             groupRoot.add(group0)");
 
     // creazione parte finale della pagina html
     bOk = FinishAmbient() ;
@@ -140,10 +150,10 @@ ExportThreeJS::HeadAmbient( IEGrScene* pScene, IGeomDB* pGDB, int nId)
     int nExtStep ;
     pScene->GetGridParam( &dSnapStep, &nExtStep) ;
 
-
     m_spath = ""; // <----- da far scegliere all'utente
 
     // scrittura parte iniziale del codice e librerie 
+
     m_Writer.OutText( "<!DOCTYPE html>") ;
     m_Writer.OutText( "<html>") ;
     m_Writer.OutText( "    <head>") ; // <HEAD> 
@@ -175,33 +185,146 @@ ExportThreeJS::HeadAmbient( IEGrScene* pScene, IGeomDB* pGDB, int nId)
     m_Writer.OutText( "    </head>") ; // </HEAD>
     // body
     m_Writer.OutText( "    <body>") ; // <BODY>
-    m_Writer.OutText( "        <div id='WebGL-output'></div>") ;
-    m_Writer.OutText("         <div class = 'btn p-0' class = 'btn_del_Menu p-0' id = 'btn_Menu'>") ;
-    m_Writer.OutText("             <span class = 'fas fa-bars'></span>") ;
-    m_Writer.OutText("         </div>") ;
-    //m_Writer.OutText( "<div syle='position:absolute' id='zoom_test'></div>"); // div di aiuto per controllo parametri telecamera, zoom
-    // --- m_Writer.OutText( "         <script type='text/javascript'>") ; <----------- original
+    m_Writer.OutText( "        <div id='WebGL-output'></div>") ; // div che contiene il canvas per la scena di THREEJS
+    m_Writer.OutText( "         <div class = 'btn p-0' class = 'btn_del_Menu p-0' id = 'btn_Menu'>") ; // bottone laterale sinistro del menu (overlapping)
+    m_Writer.OutText( "             <span class = 'fas fa-bars'></span>") ;
+    m_Writer.OutText( "         </div>") ;
+
+    // --- Menu in basso con misure e ingombri
+
+    m_Writer.OutText( "         <div id = 'strisciaFinale' style = 'position: absolute; width: 100%; bottom: 0px' class = 'd-flex justify-content-center'>") ;
+    m_Writer.OutText( "             <div id = 'divInfo' class = 'row p-1 m-1 justify-content-center'>") ;
+    m_Writer.OutText( "                 <div id = 'divBox' class = 'row border-bottom'>") ;
+    m_Writer.OutText( "                     <div class = 'col-3 d-flex justify-content-left'>") ;
+    m_Writer.OutText( "                         <div class = 'input-group-sm' id = 'Ibox'>") ;
+    m_Writer.OutText( "                             <i class = 'fa-solid fa-cube'></i><span id = 'sBoxVal'></span>") ;
+    m_Writer.OutText( "                          </div>") ;
+    m_Writer.OutText( "                     </div>") ;
+    m_Writer.OutText( "                     <div class = 'col-3 d-flex justify-content-left'>") ;
+    m_Writer.OutText( "                         <div class = 'input-group-sm'>") ;
+    m_Writer.OutText( "                             <span id = 'sBdx'>&Delta;x: 0 " + m_sUdm + "</span>") ;
+    m_Writer.OutText( "                         </div>") ;
+    m_Writer.OutText( "                     </div>") ;
+    m_Writer.OutText( "                     <div class = 'col-3 d-flex justify-content-left'>") ;
+    m_Writer.OutText( "                        <div class = 'input-group-sm'>") ;
+    m_Writer.OutText( "                            <span id = 'sBdy'>&Delta;y : 0 " + m_sUdm + "</span>") ;
+    m_Writer.OutText( "                         </div>") ;
+    m_Writer.OutText( "                     </div>") ;
+    m_Writer.OutText( "                     <div class = 'col-3 d-flex justify-content-left'>") ;
+    m_Writer.OutText( "                         <div class = 'input-group-sm'>") ;
+    m_Writer.OutText( "                             <span id = 'sBdz'>&Delta;z : 0 " + m_sUdm + "</span>") ;
+    m_Writer.OutText( "                         </div>") ;
+    m_Writer.OutText( "                     </div>") ;
+    m_Writer.OutText( "                 </div>") ;
+    m_Writer.OutText( "                 <div id = 'divDistance2' class = 'row justify-content-center'>") ;
+    m_Writer.OutText( "                     <div class = 'col-3 d-flex justify-content-left'>") ;
+    m_Writer.OutText( "                         <div class = 'input-group-sm justify-content-left' id = 'Idis''>") ;
+    m_Writer.OutText( "                             <i class = 'fa-solid fa-ruler'></i> <span id = 'sDistVal'>0 " + m_sUdm + "</span>") ;
+    m_Writer.OutText( "                         </div>") ;
+    m_Writer.OutText( "                     </div>") ;
+    m_Writer.OutText( "                     <div class = 'col-3 d-flex justify-content-left'>") ;
+    m_Writer.OutText( "                         <div class = 'input-group-sm'>") ;
+    m_Writer.OutText( "                             <span id = 'sDdx'>&Delta;x: 0 " + m_sUdm + "</span>") ;
+    m_Writer.OutText( "                         </div>") ;
+    m_Writer.OutText( "                     </div>") ;
+    m_Writer.OutText( "                     <div class = 'col-3 d-flex justify-content-left'>") ;
+    m_Writer.OutText( "                         <div class = 'input-group-sm'>") ;
+    m_Writer.OutText( "                             <span id = 'sDdy'>&Delta;y : 0 " + m_sUdm + "</span>") ;
+    m_Writer.OutText( "                         </div>") ;
+    m_Writer.OutText( "                     </div>") ;
+    m_Writer.OutText( "                     <div class = 'col-3 d-flex justify-content-left'>") ;
+    m_Writer.OutText( "                         <div class = 'input-group-sm'>") ;
+    m_Writer.OutText( "                             <span id = 'sDdz'>&Delta;z : 0 " + m_sUdm + "</span>") ;
+    m_Writer.OutText( "                         </div>") ;
+    m_Writer.OutText( "                     </div>") ;
+    m_Writer.OutText( "                 </div>") ;
+    m_Writer.OutText( "             </div>") ;
+    m_Writer.OutText( "             <div id = 'DivSel' class = 'row p-1 m-1'>");
+    m_Writer.OutText( "                 <div class = 'row'>");
+    m_Writer.OutText( "                     <div class = 'col-12 d-flex justify-content-center'>");
+    m_Writer.OutText( "                         <div class = 'input-group-sm' id = 'Isel'>");
+    m_Writer.OutText( "                             <i class = 'fa-regular fa-calendar-check'></i> <span id = 'sSelVal'> not enabled </span>");
+    m_Writer.OutText( "                         </div>");
+    m_Writer.OutText( "                     </div>");
+    m_Writer.OutText( "                 </div>");
+    m_Writer.OutText( "                 <div class = 'row'>");
+    m_Writer.OutText( "                     <div class = 'col-12 d-flex justify-content-center'>");
+    m_Writer.OutText( "                         <div class = 'input-group-sm'>");
+    m_Writer.OutText( "                             <span id = 'sSid'> Id : none</span>");
+    m_Writer.OutText( "                         </div>");
+    m_Writer.OutText( "                     </div>");
+    m_Writer.OutText( "                 </div>");
+    m_Writer.OutText( "             </div>");
+    m_Writer.OutText( "         </div>") ;
+
+    // script type module per THREEJS (inclusione delle librerie) =====
+
     m_Writer.OutText( "        <script type='module'>");
     m_Writer.OutText( "            import * as THREE from '" + m_spath + "./Lib/three.module.js';") ; // modulo THREEJS
     m_Writer.OutText( "            import { OrbitControls } from '" + m_spath + "./Lib/Controls/orbitControlsM.js';") ; // modulo Controllo telecamera
     m_Writer.OutText( "            import { OrbitControlsGizmo } from '" + m_spath + "./Lib/Controls/OrbitControlsGizmo.js';") ; // modulo Controllo assi GIZMO
+
     // variabili globali per script javascript
-    m_Writer.OutText( "            var camera;") ;
-    m_Writer.OutText( "            var scene;") ;
-    m_Writer.OutText( "            var renderer;") ;
-    m_Writer.OutText( "            var zoom = 1;") ;
-    m_Writer.OutText( "            var groupRoot = new THREE.Group();");
-    m_Writer.OutText( "            var controls; ") ;
-    m_Writer.OutText( "            var first = true;") ;
-    m_Writer.OutText( "            var LastGroupSelected = null;") ;
-    m_Writer.OutText( "            var trovato = false;") ;
-    m_Writer.OutText( "            var boxCreated;") ;
-    m_Writer.OutText( "            var orbitControls;") ;
-    m_Writer.OutText( "            var LastSelectedGroup = null;") ;
-    m_Writer.OutText( "            var CurrentSelectedGroup = null;") ;
-    m_Writer.OutText( "            var LastTimer = 0;") ;
-    m_Writer.OutText( "            var booked = false;") ;
+
+    m_Writer.OutText( "            var camera;") ; // telecamera ortografica
+    m_Writer.OutText( "            var scene;") ; // scena rappresentata nel canvas #CScena
+    m_Writer.OutText( "            var renderer;") ; // render per la visualizzazione degli oggetti3D
+    m_Writer.OutText( "            var Ismm = " + ToString(m_bUdm_mm) + ";") ; // T/F -> se udm Ã¨ mm o in.
+    m_Writer.OutText( "            var udmScala = 1;") ; // fattore di scala per il cambio delle udm
+    m_Writer.OutText( "            if (Ismm == 0) { udmScala = 1 / (25.4) }") ; // fattore di scala per trasformare tutto da mm a in. EGTCAM5 lavora sempre in mm
+    m_Writer.OutText( "            var groupRoot = new THREE.Group();"); // gruppo radice che contiene come figlio il gruppo da cui partire per l'esportazione (come scritto da LUA)
+    m_Writer.OutText( "            var controls; ") ; // controlli del menu GUI
+    m_Writer.OutText( "            var LastGroupSelected = null;") ; // ultimo gruppo selezionato
+    m_Writer.OutText( "            var boxCreated;") ; // T/F -> se il box durante la lettura dell'ID nell'URL Ã¨ effettivamente stato creato
+    m_Writer.OutText( "            var orbitControls;") ; // telecamera per rotation/zoom/pan
+    m_Writer.OutText( "            var CurrentSelectedGroup = null;") ; // gruppo corrente selezionato
+    m_Writer.OutText( "            var booked = false;") ; // YT/F -> se c'Ã¨ una animazione di selezione in corso
+    m_Writer.OutText( "            var raycaster = new THREE.Raycaster();") ; // raggio [POS_CAMERA -> PROIEZIONE PUNTO MOUSE IN 3D] per intercettare le superfici selezionate (mouse hover)
+    m_Writer.OutText( "            var raycasterDistance = new THREE.Raycaster();") ; // raggio [POS_CAMERA -> PROIEZIONE PUNTO MOUSE IN 3D] per intercettare le superfici cliccate
+    m_Writer.OutText( "            var pointer = new THREE.Vector2();") ; // vettore contente le cordinate 2D del mouse (sullo schermo)
+    m_Writer.OutText( "            var list_of_objects = [];") ; // lista contente tutte le geometrie esportate (questa lista verrÃ  svuotata, quindi controllare rootGroup)
+    m_Writer.OutText( "            var selectedObject = null;") ; // oggetto selezionato dal mouse (mouse hover)
+    m_Writer.OutText( "            var group;") ; // gruppo contentente tutte le geometrie (utilizzato nel reicaster, il quale richiede che tutti gli oggetti siano OBject3D)
+    m_Writer.OutText( "            var FirstTouch = false;") ; // T/F -> se l'utente ha toccato un oggetto o no 
+    m_Writer.OutText( "            var FirstSelection = false;") ; // T/F -> se l'utente ha fatto una selezione (per primo lampeggiamento)
+    m_Writer.OutText( "            var currentSurv = null;") ; // superficie corrente toccata dal mouse o dal dito
+    m_Writer.OutText( "            var bbox = null;") ; // box utilizzato per calcolare le dimensioni del boxHelper
+    m_Writer.OutText( "            var boxH = null;") ; // il boxHelper (quello che viene visualizzato se il boxglobale Ã¨ abilitato)
+    m_Writer.OutText( "            var edges = null;") ; // vettore dei lati della currentSurv
+    m_Writer.OutText( "            var edgeBorder = null;") ; // bordi sulla superficie attuale
+    m_Writer.OutText( "            var MarkSel = 'B';") ; // tipo di Marker selezionato dall'utente (B -> bounded (perimeter), G -> Grid, S -> Sketch) 
+    m_Writer.OutText( "            var MarkCol = '#ff0000';") ; // colore dei Marker 
+    m_Writer.OutText( "            var points = [new THREE.Vector3(), new THREE.Vector3()]") ; // vettore contente le cordinate 3D del mouse nei due click successivi per il posizionamento dei Markers 
+    m_Writer.OutText( "            var clicks = 0;") ; // 0-1, per posizionare il marker A e il markerB nel modo corretto
+    m_Writer.OutText( "            var distance = 0;") ; // valore della distanza lineare tra i due Markers
+    m_Writer.OutText( "            var dx = 0; var dy = 0; var dz = 0;") ; // lunghezza lungo x/y/z
+    m_Writer.OutText( "            var GLOB_DIST = false;") ; // se il comando attuale consente di calcolare la distanza lineare tra due punti
+    m_Writer.OutText( "            var GLOB_BOX = false;") ; // se il comando attuale consente di visualizzare il boc 3D del pezzo selezionato 
+    m_Writer.OutText( "            var markerA = new THREE.Mesh(new THREE.SphereGeometry(5, 100, 100), new THREE.MeshPhongMaterial({ color: 0xff0000, emissive : 0xff0000, emissiveIntensity : 1.25 }));") ; // Marker A
+    m_Writer.OutText( "            var markerB = new THREE.Mesh(new THREE.SphereGeometry(5, 100, 100), new THREE.MeshPhongMaterial({ color: 0xff0000, emissive : 0xff0000, emissiveIntensity : 1.25 }));") ; // Marker B
+    m_Writer.OutText( "            var markers = [markerA, markerB];") ; // vettore contenente i Markers
+    m_Writer.OutText( "            var LineMarker = null;") ; // linea tra i due Markers 
+    m_Writer.OutText( "            var isMarkAinScene = false;") ; // T/F -> se il MarkerA Ã¨ nella scena
+    m_Writer.OutText( "            var isMarkBinScene = false;") ; // T/F -> se il MarkerB Ã¨ nella scena
+    m_Writer.OutText( "            var isLineMarkerinScene = false;") ; // T/F -> se il LineMarker Ã¨ nella scena 
+    m_Writer.OutText( "            var LineMarkerGeometry = new THREE.Geometry();") ; // geometria del LineMarker
+    m_Writer.OutText( "            var LineMarkerMaterial = new THREE.LineBasicMaterial({ color: 0xff5555 });") ; // material del LineMarker
+    m_Writer.OutText( "            LineMarkerGeometry.vertices.push(new THREE.Vector3(), new THREE.Vector3());") ; // inizializzazione del punto di inizio e di fine per il LineMarker
+    m_Writer.OutText( "            var lineMarker = new THREE.Line(LineMarkerGeometry, LineMarkerMaterial);") ; // LineMarker
+    m_Writer.OutText( "            var intersects = null;") ; // vettore contentente le intersezioni ordinate per distanza crescente 
+    m_Writer.OutText( "            var GLOB_SEL = false;") ; // se il comando attuale consente di selezionare i vari pezzi 
+    m_Writer.OutText( "            var plane;") ; // piano sui cui si appoggia la griglia (serve per calcolare le approssimazioni con i punti della griglia al click (o touch))
+    m_Writer.OutText( "            var ListGridP = [];") ; // lista contenente i punti della griglia
+    m_Writer.OutText( "            const userAgent = navigator.userAgent.toLowerCase();") ; // per controllare se apro il programma da Tablet, Cellulare o desktop
+    m_Writer.OutText( "            var isMobile = /iPhone|Android/i.test(navigator.userAgent);") ; // T/F -> se sono da mobile (cellulare)
+    m_Writer.OutText( "            const isTablet = /(ipad|tablet|(android(?!.*mobile))|(windows(?!.*phone)(.*touch))|kindle|playbook|silk|(puffin(?!.*(IP|AP|WP))))/.test(userAgent);") ; // T/F -> se sono da Tablet
+    m_Writer.OutText( "            var SelectedCurrG = null;") ; // gruppo selezionato
+    m_Writer.OutText( "            var SelectedObject_id = 'none';") ; // id del gruppo selezionato
+    m_Writer.OutText( "            var bSel = false;") ; // T/F -> se nella ricerca dei gruppi ho trovato un gruppo
+    m_Writer.OutText( "            var entrato = false;"); // T/F -> per controllare se ho trovato un gruppo padre o no
+
     // funzione init() -> funzione principale che viene richiamata per la creazione della scena e dei suoi oggetti
+
     m_Writer.OutText( "            function init() { ") ;
     // codice per scena, telecamera e render
     m_Writer.OutText( "                scene = new THREE.Scene();") ;
@@ -233,23 +356,17 @@ ExportThreeJS::HeadAmbient( IEGrScene* pScene, IGeomDB* pGDB, int nId)
     m_Writer.OutText( "                spotLight1.distance = " + ToString( dResult) + "*2.5;") ;
     m_Writer.OutText( "                spotLight1.castShadow = true;") ;
     m_Writer.OutText( "                scene.add(spotLight1);") ;
-    // punto luce helper
-    // m_Writer.OutText( "const spotLightHelper1 = new THREE.SpotLightHelper( spotLight1 );") ;
-    // m_Writer.OutText( "scene.add( spotLightHelper1 );") ;
-    // ambiente 
+    // luce dell'ambiente 
     m_Writer.OutText( "                var ambientLight = new THREE.AmbientLight(0x4d4d4d);") ;
-    m_Writer.OutText( "                ambientLight.intensity = 1.25;") ;
+    m_Writer.OutText( "                ambientLight.intensity = 1.4;") ;
     m_Writer.OutText( "                scene.add(ambientLight); ") ;
     // codice per disegno griglia
     m_Writer.OutText( "                var size = " + ToString( nExtStep * dSnapStep) + ";") ;
     m_Writer.OutText( "                var divisions = " + ToString( dSnapStep) + ";");
-    // m_Writer.OutText("var divisions = 10;");
-    // ---- m_Writer.OutText( "                var gridHelper = new THREE.GridHelper(size, divisions, new THREE.Color(1,0,0), new THREE.Color(0,1,0));");
-    // ---- m_Writer.OutText( "                scene.add(gridHelper);");
-    // codice per disegnare le linee per la griglia scura
     m_Writer.OutText( "                var LineMaterial;") ;
     m_Writer.OutText( "                var LineGeometry;") ;
     m_Writer.OutText( "                var line;") ;
+    m_Writer.OutText( "                var ListPZ = []; var ListPX = [];");
     m_Writer.OutText( "                for (var i = -10; i <= 10; i++)") ;
     m_Writer.OutText( "                {") ;
     m_Writer.OutText( "                    LineMaterial = new THREE.LineBasicMaterial({ color: 0x444444 });") ;
@@ -260,6 +377,7 @@ ExportThreeJS::HeadAmbient( IEGrScene* pScene, IGeomDB* pGDB, int nId)
     m_Writer.OutText( "                    );") ;
     m_Writer.OutText( "                    line = new THREE.Line(LineGeometry, LineMaterial);") ;
     m_Writer.OutText( "                    scene.add(line);") ;
+    m_Writer.OutText( "                    ListPZ.push(new THREE.Vector3( " + ToString(nExtStep * dSnapStep) + ", 0, " + ToString(-nExtStep * dSnapStep)  + " + (" + ToString(nExtStep * dSnapStep / 10) + ") * ( i + 10)));") ;
     m_Writer.OutText( "                }") ;
     m_Writer.OutText( "                for (var i = -10; i <= 10; i++)") ;
     m_Writer.OutText( "                {") ;
@@ -271,6 +389,12 @@ ExportThreeJS::HeadAmbient( IEGrScene* pScene, IGeomDB* pGDB, int nId)
     m_Writer.OutText( "                    );") ;
     m_Writer.OutText( "                    line = new THREE.Line(LineGeometry, LineMaterial);") ;
     m_Writer.OutText( "                    scene.add(line);") ;
+    m_Writer.OutText( "                    ListPX.push(new THREE.Vector3(" + ToString(nExtStep * dSnapStep) + " - ( " + ToString(nExtStep * dSnapStep / 10) + " ) * ( i + 10), 0, -" + ToString(nExtStep * dSnapStep) + "));") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                for (var i = 0; i < ListPX.length; i++) {") ;
+    m_Writer.OutText( "                    for (var j = 0; j < ListPZ.length; j++) {") ;
+    m_Writer.OutText( "                        ListGridP.push(ListPX[i].x, ListPX[i].y, ListPZ[j].z);") ;
+    m_Writer.OutText( "                    }") ;
     m_Writer.OutText( "                }") ;
     // codice per sistema di riferimento
     m_Writer.OutText( "                var xdir = new THREE.Vector3(0,0,1);");
@@ -295,19 +419,20 @@ ExportThreeJS::HeadAmbient( IEGrScene* pScene, IGeomDB* pGDB, int nId)
     m_Writer.OutText( "                var arrowHelper = new THREE.ArrowHelper(zdir, origin, length, hex, 0, 0);") ;
     m_Writer.OutText( "                scene.add(arrowHelper);") ;
     // codice per telecamera
-    // --- m_Writer.OutText( "                 var orbitControls = new THREE.OrbitControls(camera, document.getElementById('WebGL-output'), " + ToString( m_ptCenter.y) + ", " + ToString( m_ptCenter.z) + ", " + ToString( m_ptCenter.x) + ", zoom);") ; <---- original
-    m_Writer.OutText( "                orbitControls = new OrbitControls(camera, document.getElementById('WebGL-output'));") ;
-    // --- m_Writer.OutText( "                 orbitControls.autoRotate = false;") ; <---- original
+    m_Writer.OutText( "                orbitControls = new OrbitControls(camera, renderer.domElement);") ;
     m_Writer.OutText( "                orbitControls.autoRotate = true;") ;
     m_Writer.OutText( "                orbitControls.target = new THREE.Vector3(" + ToString(m_ptCenter.y) + ", " + ToString(m_ptCenter.z) + ", " + ToString(m_ptCenter.x) + ");") ;
     m_Writer.OutText( "                var controlsGizmo = new OrbitControlsGizmo(orbitControls, {size:  100, padding : 8, distance: dist});") ;
-    m_Writer.OutText( "                var planeGeometry = new THREE.PlaneGeometry(200, 200, 1, 1);") ;
-    m_Writer.OutText( "                var planeMaterial = new THREE.MeshLambertMaterial({ color: 0xFDFEFE, transparent : true, opacity : 0.4 });") ;
+    m_Writer.OutText( "                var planeGeometry = new THREE.PlaneGeometry(ListPZ[ListPZ.length-1].z - ListPZ[0].z, ListPZ[ListPZ.length-1].z - ListPZ[0].z, 1, 1);") ;
+    m_Writer.OutText( "                var planeMaterial = new THREE.MeshLambertMaterial({ color: 0xFDFEFE, transparent : true, opacity : 0.15 });") ;
     m_Writer.OutText( "                var plane = new THREE.Mesh(planeGeometry, planeMaterial);") ;
     m_Writer.OutText( "                plane.rotation.x = -0.5 * Math.PI; plane.position.x = 0; plane.position.y = -0.1; plane.position.z = 0;") ;
-    m_Writer.OutText( "                plane.receiveShadow = false;");
+    m_Writer.OutText( "                plane.receiveShadow = false;") ;
+    m_Writer.OutText( "                plane.name = 'GrigliaThreeJS';") ;
+    m_Writer.OutText( "                scene.add(plane);") ;
+    m_Writer.OutText( "                group = new THREE.Group();") ;
+    m_Writer.OutText( "                scene.add(group);") ;
     m_Writer.OutText( "                spotLight1.target = plane;") ;
-    m_Writer.OutText( "                var list_of_objects = [];") ;
 
     return true ;
 }
@@ -327,37 +452,42 @@ ExportThreeJS::FinishAmbient()
     // renderizzo prima le mesh (facce) lontane 
 
     m_lTranspSurf.sort([]( const sSurfDist& a, const sSurfDist& b) { return a.dDistance > b.dDistance; }) ;
+    m_Writer.OutText(" ") ;
 
     //scorro le superfici trasparenti
     for ( sSurfDist sCurrSurvDist : m_lTranspSurf)
     {
         // aggiungo le mesh trasparenti alla mia lista di oggetti e alla scena (front e back)
-        m_Writer.OutText( "            list_of_objects.push(front_surf_mesh" + sCurrSurvDist.sName + ");") ;
-        m_Writer.OutText( "            list_of_objects.push(back_surf_mesh" + sCurrSurvDist.sName + ");") ;
+        m_Writer.OutText( "            list_of_objects.push(front_surf_mesh" + sCurrSurvDist.sName + ");", false) ;
+        m_Writer.OutText( "            list_of_objects.push(back_surf_mesh" + sCurrSurvDist.sName + ");", false) ;
     }
+    m_Writer.OutText(" ") ;
 
     // carico il gruppo radice
     // carico nella scena tutti gli oggetti 
     m_Writer.OutText( "            for (var i = 0; i < list_of_objects.length; i++)") ;
     m_Writer.OutText( "            {") ;
-    m_Writer.OutText( "                scene.add(list_of_objects[i])") ;
+    m_Writer.OutText( "                scene.add(list_of_objects[i]);") ;
+    m_Writer.OutText( "                group.add(list_of_objects[i]);", false) ;
     m_Writer.OutText( "            };");
+    m_Writer.OutText( "            list_of_objects = [];") ; // <--- svuotamento della lista di tutte le geometrie <--- guardare groupRoot
+    m_Writer.OutText( "            group.add(plane);") ;
     // controllo menu Gui
     m_Writer.OutText( "            var center;") ;
     m_Writer.OutText( "            var boxCreated = false;") ;
     m_Writer.OutText( "            var box;") ;
     m_Writer.OutText( "            controls = {") ;
     m_Writer.OutText( "                element: null,") ;
-    m_Writer.OutText( "                motion : true,") ;
-    m_Writer.OutText( "                tar : orbitControls.target,") ;
-    m_Writer.OutText( "                reset : function() {") ;
-    m_Writer.OutText( "                    zoom = 1;") ;
+    m_Writer.OutText( "                motion : true,") ; // per la rotation
+    m_Writer.OutText( "                tar : orbitControls.target,") ; // il target della telecamera 
+    m_Writer.OutText( "                reset : function() {") ; // per resettare la telecamera alla condizioni iniziali
+    //m_Writer.OutText( "                    zoom = 1;") ;
     m_Writer.OutText( "                    camera = new THREE.OrthographicCamera(" + ToString( -m_dHalfWidth) + ", " + ToString( m_dHalfWidth) + ", " + ToString( m_dHalfHeight) + ", " + ToString( -m_dHalfHeight) + "," + ToString( m_ZNear) + ", " + ToString( m_ZFar) + ");") ;
     m_Writer.OutText( "                    camera.position.x = " + ToString( m_ptCamera.y) + ";") ;
     m_Writer.OutText( "                    camera.position.y = " + ToString( m_ptCamera.z) + ";") ;
     m_Writer.OutText( "                    camera.position.z = " + ToString( m_ptCamera.x) + ";") ;
     m_Writer.OutText( "                    camera.lookAt(new THREE.Vector3(" + ToString( m_ptCenter.y) + ", " + ToString( m_ptCenter.z) + ", " + ToString( m_ptCenter.x) + "));") ;
-    m_Writer.OutText( "                    orbitControls = new OrbitControls(camera, document.getElementById('WebGL-output'));") ;
+    m_Writer.OutText( "                    orbitControls = new OrbitControls(camera, renderer.domElement);") ;
     m_Writer.OutText( "                    orbitControls.autoRotate = controls.motion;") ;
     m_Writer.OutText( "                    orbitControls.target = new THREE.Vector3(" + ToString(m_ptCenter.y) + ", " + ToString(m_ptCenter.z) + ", " + ToString(m_ptCenter.x) + ");") ;
     m_Writer.OutText( "                    document.getElementsByClassName('obit-controls-gizmo')[0].remove();") ;
@@ -374,6 +504,8 @@ ExportThreeJS::FinishAmbient()
     m_Writer.OutText( "                        orbitControls.target = center;") ;
     m_Writer.OutText( "                    }") ;
     m_Writer.OutText( "                },") ;
+    m_Writer.OutText( "                MarkSelected : 'Perimeter',") ; // tipo di Marcatore selezionato
+    m_Writer.OutText( "                bBox : false");
     m_Writer.OutText( "            }") ;
     // Cerco il parametro dall'url del gruppo da selezionare
     m_Writer.OutText( "            const queryString = window.location.search;") ;
@@ -386,20 +518,87 @@ ExportThreeJS::FinishAmbient()
     m_Writer.OutText( "                }") ;
     m_Writer.OutText( "            }") ;
     // creazione del menu Gui
-    m_Writer.OutText( "            var gui = new dat.GUI({ width: 200 });") ;
-    m_Writer.OutText( "            gui.add(controls, 'motion').name('Rotation');") ;
-    m_Writer.OutText( "            gui.add(controls, 'reset').name('Reset camera');") ; 
+    m_Writer.OutText( "            var gui = new dat.GUI({ width: 300 });") ;
+    m_Writer.OutText( "            var guiCamera = gui.addFolder('Camera');") ;
+    m_Writer.OutText( "            guiCamera.add(controls, 'motion').name('Rotation');") ;
+    m_Writer.OutText( "            guiCamera.add(controls, 'reset').name('Reset');") ;
     m_Writer.OutText( "            document.getElementsByClassName('dg main a')[0].style.marginRight = '0px';") ;
+    m_Writer.OutText( "            var guiBox = gui.addFolder('Box3D');") ;
+    m_Writer.OutText( "            guiBox.add(controls, 'bBox').name('Enable Box');") ; 
     // funzione render per la scena 
     m_Writer.OutText( "            function renderScene() {") ;
-    //m_Writer.OutText( "                orbitControls.update(zoom, " + ToString( m_dHalfWidth / 2) + ", " + ToString( m_dHalfHeight / 2) + ");") ; // aggiornamento telecamera
     m_Writer.OutText( "                orbitControls.update();") ;
     m_Writer.OutText( "                orbitControls.autoRotate = controls.motion;") ;
-    m_Writer.OutText( "                camera.zoom = zoom + orbitControls.ComputedZoom - 1;") ;
+    m_Writer.OutText( "                if (isTablet || isMobile) {") ;
+    m_Writer.OutText( "                    camera.zoom = orbitControls.ComputedZoom;") ;
+    m_Writer.OutText( "                }") ;
+    //m_Writer.OutText( "                camera.zoom = zoom + orbitControls.ComputedZoom - 1;") ;
     m_Writer.OutText( "                camera.updateProjectionMatrix();") ; // aggiornamento matrice di proiezione su piano Near di clipping
     m_Writer.OutText( "                requestAnimationFrame(renderScene);") ;
     m_Writer.OutText( "                renderer.setSize(window.screen.availWidth, window.screen.availHeight);") ;
     m_Writer.OutText( "                renderer.render(scene, camera);") ;
+    m_Writer.OutText( "                GLOB_BOX = controls.bBox;") ;
+    m_Writer.OutText( "                if (GLOB_DIST) {") ;
+    m_Writer.OutText( "                    GLOB_SEL = false;") ;
+    m_Writer.OutText( "                    var Smarkers;") ;
+    m_Writer.OutText( "                    if (MarkSel == 'F') { Smarkers = 'S' }") ;
+    m_Writer.OutText( "                    else if (MarkSel == 'B') { Smarkers = 'P' }") ;
+    m_Writer.OutText( "                    else if (MarkSel == 'G') { Smarkers = 'G' }") ;
+    m_Writer.OutText( "                    document.getElementById('sDistVal').innerHTML = ' (' + Smarkers + ') ' + parseFloat((udmScala * distance).toFixed(2)) + ' mm';") ;
+    m_Writer.OutText( "                    document.getElementById('sDdx').innerHTML = '&Delta;x: ' + parseFloat((udmScala * dz).toFixed(2)) + ' " + m_sUdm + "';") ;
+    m_Writer.OutText( "                    document.getElementById('sDdy').innerHTML = '&Delta;y: ' + parseFloat((udmScala * dx).toFixed(2)) + ' " + m_sUdm + "';") ;
+    m_Writer.OutText( "                    document.getElementById('sDdz').innerHTML = '&Delta;z: ' + parseFloat((udmScala * dy).toFixed(2)) + ' " + m_sUdm + "';") ;
+    m_Writer.OutText( "                    document.getElementById('Idis').style.color = '#5cb85c';") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                else {") ;
+    m_Writer.OutText( "                    document.getElementById('sDistVal').innerHTML = ' not enabled';") ;
+    m_Writer.OutText( "                    document.getElementById('sDdx').innerHTML = '&Delta;x: 0 " + m_sUdm + "';") ;
+    m_Writer.OutText( "                    document.getElementById('sDdy').innerHTML = '&Delta;y: 0 " + m_sUdm + "';") ;
+    m_Writer.OutText( "                    document.getElementById('sDdz').innerHTML = '&Delta;z: 0 " + m_sUdm + "';") ;
+    m_Writer.OutText( "                    scene.remove(markerA);") ;
+    m_Writer.OutText( "                    scene.remove(markerB);") ;
+    m_Writer.OutText( "                    if (LineMarker != null) {") ;
+    m_Writer.OutText( "                        scene.remove(LineMarker);") ;
+    m_Writer.OutText( "                        isLineMarkerinScene = false;") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText("                     document.getElementById('Idis').style.color = '#d9534f';") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (controls.bBox) {") ;
+    m_Writer.OutText( "                    var boxDeltaX = 0;") ;
+    m_Writer.OutText( "                    var boxDeltaY = 0;") ;
+    m_Writer.OutText( "                    var boxDeltaZ = 0;") ;
+    m_Writer.OutText( "                    if (SelectedCurrG != null) {") ;
+    m_Writer.OutText( "                        bbox = new THREE.Box3().setFromObject(SelectedCurrG);") ;
+    m_Writer.OutText( "                        if (boxH !== null) {") ;
+    m_Writer.OutText( "                            boxDeltaX = parseFloat((Math.abs( udmScala * (bbox.max.x - bbox.min.x))).toFixed(2));") ;
+    m_Writer.OutText( "                            boxDeltaY = parseFloat((Math.abs( udmScala * (bbox.max.y - bbox.min.y))).toFixed(2));") ;
+    m_Writer.OutText( "                            boxDeltaZ = parseFloat((Math.abs( udmScala * (bbox.max.z - bbox.min.z))).toFixed(2));") ;
+    m_Writer.OutText( "                        }") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                    document.getElementById('sBoxVal').innerHTML = ' enabled';") ;
+    m_Writer.OutText( "                    document.getElementById('sBdx').innerHTML = '&Delta;x: ' + boxDeltaZ + ' " + m_sUdm + "';") ;
+    m_Writer.OutText( "                    document.getElementById('sBdy').innerHTML = '&Delta;y: ' + boxDeltaX + ' " + m_sUdm + "';") ;
+    m_Writer.OutText( "                    document.getElementById('sBdz').innerHTML = '&Delta;z: ' + boxDeltaY + ' " + m_sUdm + "';") ;
+    m_Writer.OutText( "                    document.getElementById('Ibox').style.color = '#5cb85c';") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                else {") ;
+    m_Writer.OutText( "                    document.getElementById('sBoxVal').innerHTML = ' not enabled';") ;
+    m_Writer.OutText( "                    document.getElementById('sBdx').innerHTML = '&Delta;x: 0 " + m_sUdm + "';") ;
+    m_Writer.OutText( "                    document.getElementById('sBdy').innerHTML = '&Delta;y: 0 " + m_sUdm + "';") ;
+    m_Writer.OutText( "                    document.getElementById('sBdz').innerHTML = '&Delta;z: 0 " + m_sUdm + "';") ;
+    m_Writer.OutText( "                    document.getElementById('Ibox').style.color = '#d9534f';") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (GLOB_SEL) {") ;
+    m_Writer.OutText( "                    GLOB_DIST = false;") ;
+    m_Writer.OutText( "                    document.getElementById('sSelVal').innerHTML = 'enabled';") ;
+    m_Writer.OutText( "                    document.getElementById('sSid').innerHTML = 'Id : ' + SelectedObject_id;") ;
+    m_Writer.OutText( "                    document.getElementById('Isel').style.color = '#5cb85c';");
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                else {") ;
+    m_Writer.OutText( "                    document.getElementById('sSelVal').innerHTML = 'not enabled';") ;
+    m_Writer.OutText( "                    document.getElementById('sSid').innerHTML = 'Id : none';") ;
+    m_Writer.OutText( "                    document.getElementById('Isel').style.color = '#d9534f';");
+    m_Writer.OutText( "                }") ;
     m_Writer.OutText( "            }");
     // applico il render al div #WEBGL-output
     m_Writer.OutText( "            document.getElementById('WebGL-output').appendChild(renderer.domElement);") ;
@@ -418,9 +617,11 @@ ExportThreeJS::FinishAmbient()
     m_Writer.OutText( "            $('.obit-controls-gizmo').bind('touchend', false);") ;
     m_Writer.OutText( "            $('.obit-controls-gizmo').bind('touchcancel', false);") ;
     m_Writer.OutText( "            Updatebadge(groupRoot, -1);") ;
+    m_Writer.OutText( "            document.getElementsByTagName('canvas')[0].setAttribute('id', 'CScena');") ;
+    m_Writer.OutText( "            document.getElementsByTagName('canvas')[1].setAttribute('id', 'CGizmo');") ;
     m_Writer.OutText( "        }"); // chiusura della funzione di init()
 
-    // DICHIARAZIONE DI TUTTE LE FUNZIONI UTILIZZATE NELLA INIT() DELLA SCENA
+    // DICHIARAZIONE DI TUTTE LE FUNZIONI UTILIZZATE NELLA INIT()
 
 
     // 1) funzione Updatebadge 
@@ -450,7 +651,7 @@ ExportThreeJS::FinishAmbient()
     m_Writer.OutText( "        function findGroupByNameAndId(CurrentGroup, Id, n) {") ;
     m_Writer.OutText( "            CurrentGroup.children.forEach(element => {") ;
     m_Writer.OutText( "                if (element.name == Id && element.children.length != 0) {") ;
-    m_Writer.OutText( "                    if (LastSelectedGroup == null) {") ;
+    m_Writer.OutText( "                    if (LastGroupSelected == null) {") ;
     m_Writer.OutText( "                        LastGroupSelected = element;") ;
     m_Writer.OutText( "                    }") ;
     m_Writer.OutText( "                    else {") ;
@@ -461,9 +662,10 @@ ExportThreeJS::FinishAmbient()
     m_Writer.OutText( "                        controls.element = element;") ;
     m_Writer.OutText( "                        createBox(element);") ;
     m_Writer.OutText( "                    }") ;
-    m_Writer.OutText("                     booked = true;");
-    m_Writer.OutText( "                    EvidenziaLoadPage(element);") ;
-    m_Writer.OutText( "                    trovato = true;");
+    m_Writer.OutText( "                    if(n != 3){ ") ;
+    m_Writer.OutText( "                        booked = true;");
+    m_Writer.OutText( "                        EvidenziaLoadPage(element);") ;
+    m_Writer.OutText( "                    }") ;
     m_Writer.OutText( "                }") ;
     m_Writer.OutText( "                if (element.children.length != 0) {") ;
     m_Writer.OutText( "                    findGroupByNameAndId(element, Id, n);") ;
@@ -471,12 +673,12 @@ ExportThreeJS::FinishAmbient()
     m_Writer.OutText( "            });") ;
     m_Writer.OutText( "        }") ;
 
-    // 3) funzione per creare il box per centrare l'elemento il cui Id è nell'URL
+    // 3) funzione createBox
     //      - obj: crea il box attorno al gruppo selezionato
     //      - par: il gruppo
     m_Writer.OutText( "        function createBox(element) {") ;
     m_Writer.OutText( "            var box = new THREE.BoxHelper(element, 0xff0000);") ;
-    m_Writer.OutText( "            camera.position.y = 2761.842488;") ;
+    m_Writer.OutText( "            camera.position.y = " + ToString( m_ptCamera.z * 1.2) + ";") ;
     m_Writer.OutText( "            if (box.geometry.boundingSphere != null) {") ;
     m_Writer.OutText( "                var center = box.geometry.boundingSphere.center;") ;
     m_Writer.OutText( "                orbitControls.target = center;") ;
@@ -487,7 +689,7 @@ ExportThreeJS::FinishAmbient()
     m_Writer.OutText( "            }") ;
     m_Writer.OutText( "        }") ;
 
-    // 4) funzione per evidenziare il gruppo selezionato (per il timer)
+    // 4) funzione EnlightGroup
     //      - obj: evidenziare il gruppo (e i vari sottogruppi), togliendo le trasparenze durante l'evidenziatura
     //      - par: il gruppo
     m_Writer.OutText( "        function EnlightGroup(SelGroup) {") ;
@@ -523,8 +725,8 @@ ExportThreeJS::FinishAmbient()
     m_Writer.OutText( "            }") ;
     m_Writer.OutText( "        }") ;
 
-    // 5) funzione per riportare il colore del gruppo selezionato a quello originale (per il timer)
-    //      - obj: riportare il gruppo (e i vari sottogruppi) ai colori originali, risportando le trasparenze a quelle originali
+    // 5) funzione GetColorBack
+    //      - obj: riportare il gruppo (e i vari sottogruppi) al colore originale (insieme alle trasparenze)
     //      - par: il gruppo
     m_Writer.OutText( "        function GetColorBack(SelGroup) {") ;
     m_Writer.OutText( "            if (SelGroup !== null) {") ;
@@ -561,7 +763,7 @@ ExportThreeJS::FinishAmbient()
     m_Writer.OutText( "            }") ;
     m_Writer.OutText( "        }") ;
 
-    // 6) funzione per mostrare il gruppo lampeggiare (funzione con il timer, 3 secondi)
+    // 6) funzione EvidenziaLoadPage
     //      - obj: evidenziare il gruppo per 0.5 secondi e poi riportarlo all'orginale per altri 0.5 secondi (questa procedure viene ripetuta per 3 volte, per una durata complessiva di 3 secondi)
     //      - par: il gruppo
     m_Writer.OutText( "        function EvidenziaLoadPage(ChoosenGroup) {") ;
@@ -604,7 +806,7 @@ ExportThreeJS::FinishAmbient()
     m_Writer.OutText( "            animation();") ;
     m_Writer.OutText( "        }") ;
 
-    // 7) funzione per gestire il menu di sinistra durante la selezione
+    // 7) funzione ControlMenu
     //      - obj: evidenziare il gruppo nel menu selezionato e disabilitare gli altri
     //      - par: ToBlock (T -> inizio selezione | F -> fine selezione), id del gruppo selezionato, colore
     m_Writer.OutText( "        function ControlMenu(toBlock, id, col) {") ;
@@ -671,25 +873,481 @@ ExportThreeJS::FinishAmbient()
     m_Writer.OutText( "                }") ;
     m_Writer.OutText( "            }") ;
     m_Writer.OutText( "        }") ;
+    // 8) funzione onMove
+    //      - obj: effettuare il raycaster e ritornare le superfici intercettate
+    //      - par: nessun parametro
+    m_Writer.OutText( "        function onMove() {") ;
+    m_Writer.OutText( "            if (selectedObject) {") ;
+    m_Writer.OutText( "                if (FirstTouch)") ;
+    m_Writer.OutText( "                {") ;
+    m_Writer.OutText( "                    currentSurv = null") ;
+    m_Writer.OutText( "                    scene.remove(boxH);") ;
+    m_Writer.OutText( "                    boxH = null;") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "            if (GLOB_BOX || GLOB_DIST || GLOB_SEL) {")  ;
+    m_Writer.OutText( "                const rect = renderer.domElement.getBoundingClientRect();") ;
+    m_Writer.OutText( "                if (!isMobile && !isTablet) {") ;
+    m_Writer.OutText( "                    pointer.x = ((event.clientX - rect.left) / (rect.right - rect.left)) * 2 - 1;") ;
+    m_Writer.OutText( "                    pointer.y = -((event.clientY - rect.top) / (rect.bottom - rect.top)) * 2 + 1;") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                else {") ;
+    m_Writer.OutText( "                    pointer.x = ((event.touches[0].clientX - rect.left) / (rect.right - rect.left)) * 2 - 1;") ;
+    m_Writer.OutText( "                    pointer.y = -((event.touches[0].clientY - rect.top) / (rect.bottom - rect.top)) * 2 + 1;") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                raycaster = new THREE.Raycaster();") ;
+    m_Writer.OutText( "                raycaster.setFromCamera(pointer, camera); // inizializzo il raycaster") ;
+    m_Writer.OutText( "                raycaster.ray.origin.set(pointer.x, pointer.y, -100 * orbitControls.object.near / (orbitControls.object.near - orbitControls.object.far)).unproject(orbitControls.object);") ;
+    m_Writer.OutText( "                intersects = raycaster.intersectObject(group, true); //calcolo il vettore delle intersezioni") ;
+    m_Writer.OutText( "                var s = 0;") ; // tolgo gli oggetti trasparenti
+    m_Writer.OutText( "                while (s < intersects.length) {") ;
+    m_Writer.OutText( "                    if (intersects[s].object.visible == false) {") ;
+    m_Writer.OutText( "                        intersects.splice(s, 1);") ;
+    m_Writer.OutText( "                        s--;") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                    s++;") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (intersects.length > 0) {") ;
+    m_Writer.OutText( "                    const res = intersects.filter(function(res) {") ;
+    m_Writer.OutText( "                        return res && res.object;") ;
+    m_Writer.OutText( "                    })[0]; ") ;
+    m_Writer.OutText( "                    if (res && res.object) {") ;
+    m_Writer.OutText( "                        if (res.object.name != 'GrigliaThreeJS' || MarkSel == 'G') {") ;
+    m_Writer.OutText( "                            FirstTouch = true;") ;
+    m_Writer.OutText( "                            selectedObject = res.object; ") ;
+    m_Writer.OutText( "                            currentSurv = selectedObject;") ;
+    m_Writer.OutText( "                            if (edgeBorder != null || !FirstSelection) {") ;
+    m_Writer.OutText( "                                edges = new THREE.EdgesGeometry(currentSurv.geometry);") ;
+    m_Writer.OutText( "                                edgeBorder = new THREE.LineSegments(edges, new THREE.LineBasicMaterial({ color: 0xff0000 }));") ;
+    m_Writer.OutText( "                            }") ; 
+    m_Writer.OutText( "                            FirstSelection = true;") ;
+    m_Writer.OutText( "                            if (GLOB_BOX) {") ;
+    m_Writer.OutText( "                                getGroupByuuid(groupRoot.children[0], res.object.uuid);") ;
+    m_Writer.OutText( "                                boxH = new THREE.BoxHelper(SelectedCurrG, 0xff0000);") ;
+    m_Writer.OutText( "                                boxH.visible = true;") ;
+    m_Writer.OutText( "                                scene.add(boxH);") ;
+    m_Writer.OutText( "                            }") ;
+    m_Writer.OutText( "                            else {") ;
+    m_Writer.OutText( "                                if (boxH !== null) {") ;
+    m_Writer.OutText( "                                    boxH.visible = false;") ;
+    m_Writer.OutText( "                                }") ;
+    m_Writer.OutText( "                            }");
+    m_Writer.OutText( "                        }") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "        }");
+    // 9) funzione setLine
+    //      - obj: Disegna una freccia oritantata tra il marker A e B
+    //      - par: i due punti (A e B)
+    m_Writer.OutText( "        function setLine(vectorA, vectorB) {") ;
+    m_Writer.OutText( "            if (LineMarker != null) {") ;
+    m_Writer.OutText( "                scene.remove(LineMarker);") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "            const dir = new THREE.Vector3(vectorB.x - vectorA.x, vectorB.y - vectorA.y, vectorB.z - vectorA.z).normalize();") ;
+    m_Writer.OutText( "            LineMarker = new THREE.ArrowHelper(dir, vectorA, vectorA.distanceTo(vectorB), 0xff0000, 0.5 * 0.2 * vectorA.distanceTo(vectorB), Math.sqrt(0.2 * 0.2 * vectorA.distanceTo(vectorB)));") ;
+    m_Writer.OutText( "            scene.add(LineMarker);") ;
+    m_Writer.OutText( "            isLineMarkerinScene = true;") ;
+    m_Writer.OutText( "        }") ;
+    // 10) funzione onDocumentMouseDown
+    //      - obj: Intercettare le superfici selezionate e settare i Markers
+    //      - par: l'evento del mouse 
+    m_Writer.OutText( "        function onDocumentMouseDown() { ") ;
+    m_Writer.OutText( "            if (((event.type == 'mousedown' && event.which == 1) || (event.type == 'touchstart')) && event.target.id == 'CScena') {") ;
+    m_Writer.OutText( "                if (GLOB_DIST) {") ;
+    m_Writer.OutText( "                    var vector = new THREE.Vector2();") ;
+    m_Writer.OutText( "                    const rect = renderer.domElement.getBoundingClientRect();") ;
+    m_Writer.OutText( "                     if (!isMobile && !isTablet) {") ;
+    m_Writer.OutText( "                         vector.set(((event.clientX - rect.left) / (rect.right - rect.left)) * 2 - 1, -((event.clientY - rect.top) / (rect.bottom - rect.top)) * 2 + 1);") ;
+    m_Writer.OutText( "                     }") ;
+    m_Writer.OutText( "                     else {") ;
+    m_Writer.OutText( "                         vector.set(((event.touches[0].clientX - rect.left) / (rect.right - rect.left)) * 2 - 1, -((event.touches[0].clientY - rect.top) / (rect.bottom - rect.top)) * 2 + 1);") ;
+    m_Writer.OutText( "                     }") ;
+    m_Writer.OutText( "                    raycasterDistance = new THREE.Raycaster();") ;
+    m_Writer.OutText( "                    raycasterDistance.setFromCamera(vector, orbitControls.object);") ;
+    m_Writer.OutText( "                    raycasterDistance.ray.origin.set(vector.x, vector.y, -100 * orbitControls.object.near / (orbitControls.object.near - orbitControls.object.far)).unproject(orbitControls.object);") ;
+    m_Writer.OutText( "                    raycasterDistance.params.Line.threshold = 0;") ;
+    m_Writer.OutText( "                    const intersectsDistance = raycasterDistance.intersectObject(group, true);") ;
+    m_Writer.OutText( "                    var s = 0;") ;
+    m_Writer.OutText( "                    while (s < intersectsDistance.length) {") ;
+    m_Writer.OutText( "                        if (intersectsDistance[s].object.visible == false) {") ;
+    m_Writer.OutText( "                            intersectsDistance.splice(s, 1);") ;
+    m_Writer.OutText( "                            s--;") ;
+    m_Writer.OutText( "                        }") ;
+    m_Writer.OutText( "                        s++;") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                    var posM = null;") ;
+    m_Writer.OutText( "                    if (MarkSel == 'B') {") ;
+    m_Writer.OutText( "                        if (intersectsDistance.length > 0) {") ;
+    m_Writer.OutText( "                            if (LineMarker != null) { ") ;
+    m_Writer.OutText( "                                scene.remove(LineMarker);") ;
+    m_Writer.OutText( "                            }") ;
+    m_Writer.OutText( "                            const res = intersectsDistance.filter(function(res) { return res && res.object; })[0];") ;
+    m_Writer.OutText( "                            if (res && res.object) {") ;
+    m_Writer.OutText( "                                if (res.object.name != 'GrigliaThreeJS') {") ;
+    m_Writer.OutText( "                                    const triangle = intersectsDistance[0].face;") ;
+    m_Writer.OutText( "                                    const surf = intersectsDistance[0];") ;
+    m_Writer.OutText( "                                    const Va = surf.object.geometry.vertices[triangle.a];") ;
+    m_Writer.OutText( "                                    const Vb = surf.object.geometry.vertices[triangle.b];") ;
+    m_Writer.OutText( "                                    const Vc = surf.object.geometry.vertices[triangle.c];") ;
+    m_Writer.OutText( "                                    var ListOfTriaVertices = [];") ;
+    m_Writer.OutText( "                                    ListOfTriaVertices.push(Va.x, Va.y, Va.z, Vb.x, Vb.y, Vb.z, Vc.x, Vc.y, Vc.z);") ;
+    m_Writer.OutText( "                                    posM = getBetterPoint(intersectsDistance[0].point, ListOfTriaVertices);") ;
+    m_Writer.OutText( "                                }") ;
+    m_Writer.OutText( "                            }") ;
+    m_Writer.OutText( "                        }") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                    else if (MarkSel == 'F') {") ;
+    m_Writer.OutText( "                        if (intersectsDistance.length > 0)") ;
+    m_Writer.OutText( "                        {") ;
+    m_Writer.OutText( "                            if (LineMarker != null) { ") ;
+    m_Writer.OutText( "                                scene.remove(LineMarker);") ;
+    m_Writer.OutText( "                            }") ;
+    m_Writer.OutText( "                            posM = intersectsDistance[0].point;") ;
+    m_Writer.OutText( "                        }") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                    else if (MarkSel == 'G') {") ;
+    m_Writer.OutText( "                        if (intersectsDistance.length > 0 && intersectsDistance[0].object.name == 'GrigliaThreeJS')") ;
+    m_Writer.OutText( "                        {") ;
+    m_Writer.OutText( "                            if (LineMarker != null) { ") ;
+    m_Writer.OutText( "                                scene.remove(LineMarker);") ;
+    m_Writer.OutText( "                            }") ;
+    m_Writer.OutText( "                            posM = getBetterPoint(intersectsDistance[0].point, ListGridP);") ;
+    m_Writer.OutText( "                        }") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                    if (posM != null) {") ;
+    m_Writer.OutText( "                        points[clicks].copy(posM);") ;
+    m_Writer.OutText( "                        markers[clicks].position.copy(posM);") ;
+    m_Writer.OutText( "                        clicks++;") ;
+    m_Writer.OutText( "                        scene.add(markerA);") ;
+    m_Writer.OutText( "                        isMarkAinScene = true;") ;
+    m_Writer.OutText( "                        if (isMarkBinScene) {") ;
+    m_Writer.OutText( "                            scene.remove(markerB);") ;
+    m_Writer.OutText( "                            isMarkBinScene = false;") ;
+    m_Writer.OutText( "                            distance = 0;") ;
+    m_Writer.OutText( "                        }") ;
+    m_Writer.OutText( "                        if (clicks > 1)") ;
+    m_Writer.OutText( "                        {") ;
+    m_Writer.OutText( "                            distance = points[0].distanceTo(points[1]);") ;
+    m_Writer.OutText( "                            dx = points[0].x - points[1].x;") ;
+    m_Writer.OutText( "                            dy = points[0].y - points[1].y;") ;
+    m_Writer.OutText( "                            dz = points[0].z - points[1].z;") ;
+    m_Writer.OutText( "                            setLine(points[0], points[1]);") ;
+    m_Writer.OutText( "                            clicks = 0;") ;
+    m_Writer.OutText( "                            scene.add(markerB);") ;
+    m_Writer.OutText( "                            isMarkBinScene = true;") ;
+    m_Writer.OutText( "                        }") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if(GLOB_SEL && !booked){") ;
+    m_Writer.OutText( "                    if (intersects.length > 0) {") ;
+    m_Writer.OutText( "                        if (intersects[0].object.name != 'GrigliaThreeJS') {") ;
+    m_Writer.OutText( "                            getGroupByuuid(groupRoot.children[0], intersects[0].object.uuid);") ;
+    m_Writer.OutText( "                            for (var i = 0; i < groupRoot.children[0].children.length; i++) {") ;
+    m_Writer.OutText( "                                bSel = false;") ;
+    m_Writer.OutText( "                                getObj(groupRoot.children[0].children[i], SelectedCurrG.name)") ;
+    m_Writer.OutText( "                                    if (bSel) {");
+    m_Writer.OutText( "                                        SelectedObject_id = groupRoot.children[0].children[i].name;") ;
+    m_Writer.OutText( "                                        entrato = true;") ;
+    m_Writer.OutText( "                                    }") ;
+    m_Writer.OutText( "                            }") ;
+    m_Writer.OutText( "                            if (!entrato) {") ;
+    m_Writer.OutText( "                                SelectedObject_id = SelectedCurrG.name;") ;
+    m_Writer.OutText( "                            }") ;
+    m_Writer.OutText( "                            entrato = false;") ;
+    m_Writer.OutText( "                            document.getElementById('p_id_' + SelectedObject_id).scrollIntoView(true);") ;
+    m_Writer.OutText( "                            findGroupByNameAndId(groupRoot, SelectedObject_id, 1);") ;
+    m_Writer.OutText( "                        }") ;
+    m_Writer.OutText( "                        else {") ;
+    m_Writer.OutText( "                            SelectedObject_id = 'none';") ;
+    m_Writer.OutText( "                        }") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                    else {") ;
+    m_Writer.OutText( "                        SelectedObject_id = 'none';") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "        }") ;
+    // 11) funzione getGroupByuuid
+    //      - obj: Utilizzata durante la selezione della superficie con il raycast (il raycast ritorna la mesh, non il gruppo a cui appartiene)
+    //      - par: il gruppo da cui iniziare la ricerca e l'uuid
+    m_Writer.OutText( "        function getGroupByuuid(groupCurr, uuid) {") ;
+    m_Writer.OutText( "            groupCurr.children.forEach(element => {") ;
+    m_Writer.OutText( "                if (element.uuid == uuid) {") ;
+    m_Writer.OutText( "                    SelectedCurrG = groupCurr;") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                else if (element.children.length > 0) {") ;
+    m_Writer.OutText( "                    getGroupByuuid(element, uuid);") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "            });") ;
+    m_Writer.OutText( "        }") ;
+    // 12) funzione getObj
+    //      - obj: dato un gruppo e un Id, capire se l'id Ã¨ contenuto nel gruppo e nei suoi sottogruppi
+    //      - par: il gruppo da cui iniziare e l'id
+    m_Writer.OutText( "        function getObj(obj, n) {") ;
+    m_Writer.OutText( "            obj.children.forEach(e => {") ;
+    m_Writer.OutText( "                if (e.name == n) {") ;
+    m_Writer.OutText( "                    bSel = true;") ;
+    m_Writer.OutText( "                }") ; 
+    m_Writer.OutText( "                else {") ;
+    m_Writer.OutText( "                    getObj(e, n);") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "            });") ;
+    m_Writer.OutText( "        }") ;
+    // 13) funzione getBetterPoint
+    //      - obj: approssimare i punti della griglia e i punti sul perimetro della superficie
+    //      - par: il punto del mouse e la lista dei punti dai quali cercare il piÃ¹ vicino (o punti della griglia o punti di perimetro)
+    m_Writer.OutText( "        function getBetterPoint(mPoint, listOfPoints) {") ;
+    m_Writer.OutText( "            if (listOfPoints.length == 0 || currentSurv == null) {") ;
+    m_Writer.OutText( "                return null;") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "            var Spoint = new THREE.Vector3(listOfPoints[0], listOfPoints[1], listOfPoints[2]);") ;
+    m_Writer.OutText( "            var PointA = new THREE.Vector3(listOfPoints[0], listOfPoints[1], listOfPoints[2]);") ;
+    m_Writer.OutText( "            var distMin = mPoint.distanceTo(PointA);") ;
+    m_Writer.OutText( "            for (var i = 3; i < listOfPoints.length; i = i + 3) {") ;
+    m_Writer.OutText( "                if (distMin > mPoint.distanceTo(new THREE.Vector3(listOfPoints[i + 0], listOfPoints[i + 1], listOfPoints[i + 2]))) {") ;
+    m_Writer.OutText( "                    distMin = mPoint.distanceTo(new THREE.Vector3(listOfPoints[i + 0], listOfPoints[i + 1], listOfPoints[i + 2]));") ;
+    m_Writer.OutText( "                    Spoint = new THREE.Vector3(listOfPoints[i + 0], listOfPoints[i + 1], listOfPoints[i + 2]);") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "            return Spoint;") ;
+    m_Writer.OutText( "        }") ;
+    // 14) 15) 16) 17) funzioni per gestire i comandi dei Markatori (menu di sinistra, cancellazione della freccia e dei Markers ecc.. ecc..
+    //      - obj: settare la scena in modo corretto per l'utilizzo dei marcatori specifici
+    //      - par: nessun parametro
+    m_Writer.OutText( "        function SetMarkersSketch() {") ;
+    m_Writer.OutText( "            GLOB_DIST = true;") ;
+    m_Writer.OutText( "            controls.MarkSelected = 'Sketch';") ;
+    m_Writer.OutText( "            MarkSel = 'F';") ;
+    m_Writer.OutText( "        }") ;
+    m_Writer.OutText( "        function SetMarkersPerimeter() {") ;
+    m_Writer.OutText( "            GLOB_DIST = true;") ;
+    m_Writer.OutText( "            controls.MarkSelected = 'Perimeter';") ;
+    m_Writer.OutText( "            MarkSel = 'B';") ;
+    m_Writer.OutText( "        }") ;
+    m_Writer.OutText( "        function SetMarkerGrid() {") ;
+    m_Writer.OutText( "            GLOB_DIST = true;") ;
+    m_Writer.OutText( "            controls.MarkSelected = 'Grid';") ;
+    m_Writer.OutText( "            MarkSel = 'G';") ;
+    m_Writer.OutText( "        }") ;
+    m_Writer.OutText( "        function CancelMarkers() {") ;
+    m_Writer.OutText( "            if (isMarkAinScene) { scene.remove(markerA); }") ;
+    m_Writer.OutText( "            if (isMarkAinScene) { scene.remove(markerB); }") ;
+    m_Writer.OutText( "            if (isLineMarkerinScene) { scene.remove(LineMarker); }") ;
+    m_Writer.OutText( "            clicks = 0;") ;
+    m_Writer.OutText( "            distance = 0; dx = 0; dy = 0; dz = 0;") ;
+    m_Writer.OutText( "        }") ;
 
     // funzione resize della pagina 
     m_Writer.OutText( "        function onResize() {") ;
     m_Writer.OutText( "            renderer.setSize(window.screen.availWidth, window.screen.availHeight);") ;
     m_Writer.OutText( "        }") ;
 
-    //funzione per lo zoom della pagina
-    m_Writer.OutText( "        function zoomView(){") ;
-    m_Writer.OutText( "            if (document.getElementsByTagName('canvas')[0] === document.elementFromPoint(event.clientX, event.clientY)) {") ;
-    m_Writer.OutText( "                zoom += event.wheelDeltaY * 0.00025;") ;
-    m_Writer.OutText( "                zoom = Math.max(Math.min(zoom, 10000000), 0.00000001);") ;
-    m_Writer.OutText( "            }") ;
-    m_Writer.OutText( "        };") ;
-
     // richiamo della funzione init() e dichiarazione degli eventi in javascript per controllo della scena
     m_Writer.OutText( "        window.onload = init") ;
-    m_Writer.OutText( "        window.addEventListener('wheel', zoomView, false);") ;
     m_Writer.OutText( "        window.addEventListener('resize', onResize, false);") ;
-    m_Writer.OutText( "        </script>") ;
+    m_Writer.OutText( "        window.addEventListener('mousemove', onMove, false);") ;
+    m_Writer.OutText( "        window.addEventListener('mousedown', onDocumentMouseDown, false);") ;
+    m_Writer.OutText( "        window.addEventListener('keydown', function(e) {");
+    m_Writer.OutText( "            if (e.target.id != 'listSearch') {") ;
+    m_Writer.OutText( "                if (e.key == 'Escape') {") ;
+    m_Writer.OutText( "                    CancelMarkers();") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (e.key == 'b') {") ;
+    m_Writer.OutText( "                    if (controls.bBox) {") ;
+    m_Writer.OutText( "                        controls.bBox = false;") ;
+    m_Writer.OutText( "                        document.getElementsByTagName('input')[2].checked = false;") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                    else {") ;
+    m_Writer.OutText( "                        controls.bBox = true;") ;
+    m_Writer.OutText( "                        document.getElementsByTagName('input')[2].checked = true;") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (e.key == 'r') {") ;
+    m_Writer.OutText( "                    if (controls.motion) {") ;
+    m_Writer.OutText( "                        controls.motion = false;") ;
+    m_Writer.OutText( "                        document.getElementsByTagName('input')[1].checked = false;") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                    else {") ;
+    m_Writer.OutText( "                        controls.motion = true;") ;
+    m_Writer.OutText( "                        document.getElementsByTagName('input')[1].checked = true;") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (e.key == 'g') {") ;
+    m_Writer.OutText( "                    SetMarkerGrid();") ;
+    m_Writer.OutText( "                    GLOB_SEL = false;") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (e.key == 's') {") ;
+    m_Writer.OutText( "                    SetMarkersSketch();") ;
+    m_Writer.OutText( "                    GLOB_SEL = false;") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (e.key == 'p') {") ;
+    m_Writer.OutText( "                    SetMarkersPerimeter();") ;
+    m_Writer.OutText( "                    GLOB_SEL = false;") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (e.key == 'm') {") ;
+    m_Writer.OutText( "                    GLOB_DIST = false;") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (e.key == 'x') {") ; 
+    m_Writer.OutText( "                    controls.reset();") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (e.key == 'i') {") ;
+    m_Writer.OutText( "                    GLOB_SEL = true;") ;
+    m_Writer.OutText( "                    GLOB_DIST = false;") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "        });") ;
+    // Controlli per dispositivi Mobile
+    m_Writer.OutText( "        var onlongtouch;") ;
+    m_Writer.OutText( "        var Ttimer;") ;
+    m_Writer.OutText( "        var touchduration = 800;") ;
+    m_Writer.OutText( "        var nFingers = 1;") ;
+    m_Writer.OutText( "        var touchX;") ;
+    m_Writer.OutText( "        var touchY;") ;
+    m_Writer.OutText( "        function touchstart(e) {") ;
+    m_Writer.OutText( "            if (e.touches.length > 1) {") ;
+    m_Writer.OutText( "                nFingers = 2;") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "            else {") ;
+    m_Writer.OutText( "                nFingers = 1;") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "            if (e.target.id == 'CScena' && e.touches.length < 2) {") ;
+    m_Writer.OutText( "                touchX = e.touches[0].pageX;") ;
+    m_Writer.OutText( "                touchY = e.touches[0].pageY;") ;
+    m_Writer.OutText( "                if (!Ttimer) {") ;
+    m_Writer.OutText( "                    Ttimer = setTimeout(onlongtouch, touchduration, touchX, touchY);") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (controls.bBox || GLOB_DIST || GLOB_SEL) {") ;
+    m_Writer.OutText( "                    onMove();") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                onDocumentMouseDown();") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "            if (e.target.id != 'CM_0' && e.target.id != 'CM_1' && e.target.id != 'CM_2' && e.target.id != 'CM_3' && e.target.id != 'CM_4' && e.target.id != 'CM_6') {") ;
+    m_Writer.OutText( "                $('#context-menu').hide();") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "        }") ;
+    m_Writer.OutText( "        function touchend() {") ;
+    m_Writer.OutText( "            if (Ttimer) {") ;
+    m_Writer.OutText( "                clearTimeout(Ttimer);") ;
+    m_Writer.OutText( "                Ttimer = null;") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "        }") ;
+    m_Writer.OutText( "        onlongtouch = function(touchX, touchY) {") ;
+    m_Writer.OutText( "            Ttimer = null;") ;
+    m_Writer.OutText( "            if (nFingers == 1 && !orbitControls.blockTouchMenu) {") ;
+    m_Writer.OutText( "                document.getElementById('context-menu').style.display = 'block';") ;
+    m_Writer.OutText( "                document.getElementById('context-menu').style.top = touchY + 'px';") ;
+    m_Writer.OutText( "                document.getElementById('context-menu').style.left = touchX + 'px';") ;
+    m_Writer.OutText( "                $('#context-menu').addClass('show');") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "        };") ;
+    m_Writer.OutText( "        document.addEventListener('DOMContentLoaded', function(event) {") ;
+    m_Writer.OutText( "            window.addEventListener('touchstart', touchstart, false);") ;
+    m_Writer.OutText( "            window.addEventListener('touchend', touchend, false);") ;
+    m_Writer.OutText( "        });") ;
+    // Menu contenstuale al click del mouse 
+    m_Writer.OutText( "        var choice = null;") ;
+    m_Writer.OutText( "        $('#WebGL-output').on('contextmenu', function(e) {") ;
+    m_Writer.OutText( "            var top = e.pageY - 10;") ;
+    m_Writer.OutText( "            var left = e.pageX - 90;") ;
+    m_Writer.OutText( "            $('#context-menu').css({") ;
+    m_Writer.OutText( "              display: 'block',") ;
+    m_Writer.OutText( "              top : top,") ;
+    m_Writer.OutText( "              left : left") ;
+    m_Writer.OutText( "                }).addClass('show');") ;
+    m_Writer.OutText( "            return false;") ;
+    m_Writer.OutText( "        }).on('click', function() {") ;
+    m_Writer.OutText( "            $('#context-menu').removeClass('show').hide();") ;
+    m_Writer.OutText( "        });") ;
+    m_Writer.OutText( "        $('#context-menu').on('click', function() {") ;
+    m_Writer.OutText( "            if(event.target.id.substr(3, (this).id.length) != 1){") ;
+    m_Writer.OutText( "                $('#context-menu').removeClass('show').hide();") ;
+    m_Writer.OutText( "                choice = event.target.id.substr(3, (this).id.length);") ;
+    m_Writer.OutText( "                switch (choice) {") ;
+    m_Writer.OutText( "                    case '0':");
+    m_Writer.OutText( "                        GLOB_SEL = true;") ;
+    m_Writer.OutText( "                        CancelMarkers();") ;
+    m_Writer.OutText( "                        GLOB_DIST = false;") ;
+    m_Writer.OutText( "                        break;") ;
+    m_Writer.OutText( "                    case '1':") ;
+    m_Writer.OutText( "                        SetMarkersSketch();") ;
+    m_Writer.OutText( "                        GLOB_SEL = false;") ;
+    m_Writer.OutText( "                        GLOB_DIST = true;") ;
+    m_Writer.OutText( "                        break;") ;
+    m_Writer.OutText( "                    case '2':") ;
+    m_Writer.OutText( "                        SetMarkersSketch();") ;
+    m_Writer.OutText( "                        GLOB_SEL = false;") ;
+    m_Writer.OutText( "                        GLOB_DIST = true;") ;
+    m_Writer.OutText( "                        break;") ;
+    m_Writer.OutText( "                    case '3':") ;
+    m_Writer.OutText( "                        SetMarkersPerimeter();") ;
+    m_Writer.OutText( "                        GLOB_SEL = false;") ;
+    m_Writer.OutText( "                        GLOB_DIST = true;") ;
+    m_Writer.OutText( "                        break;") ;
+    m_Writer.OutText( "                    case '4':") ;
+    m_Writer.OutText( "                        SetMarkerGrid();") ;
+    m_Writer.OutText( "                        GLOB_SEL = false;") ;
+    m_Writer.OutText( "                        GLOB_DIST = true;") ;
+    m_Writer.OutText( "                        break;") ;
+    m_Writer.OutText( "                    case '6':") ;
+    m_Writer.OutText( "                        CancelMarkers();") ;
+    m_Writer.OutText( "                        GLOB_SEL = false;") ;
+    m_Writer.OutText( "                        GLOB_DIST = false;") ;
+    m_Writer.OutText( "                        break; ") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "        });") ;
+    // 18) funzione lightbulb
+    //      - obj: individuare il gruppo a cui applicare la trasparenza
+    //      - par: l'id del gruppo (name per THREEJS)
+    m_Writer.OutText( "        function lightbulb(id) {") ;
+    m_Writer.OutText( "            var lampadina = document.getElementById(id);") ;
+    m_Writer.OutText( "            var stato = ($('#' + id).attr('name')).substr(3, $('#' + id).attr('name').length);") ;
+    m_Writer.OutText( "            changeLBstate(id, stato);") ;
+    m_Writer.OutText( "            findGroupByNameAndId(groupRoot, id.substr(3, id.length), 3);") ;
+    m_Writer.OutText( "            if (stato == 'on') {") ;
+    m_Writer.OutText( "                updateVisibility(CurrentSelectedGroup, 'off');") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "            else {") ;
+    m_Writer.OutText( "                updateVisibility(CurrentSelectedGroup, 'on');") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "        }") ;
+    // 19) funzione changeLBstate
+    //      - obj: cambiare lo stato delle lampadine del menu di sinistra (on - off)
+    //      - par: l'id del gruppo (name per THREEJS) e lo stato da settare (on - off)
+    m_Writer.OutText( "        function changeLBstate(id, state) {") ;
+    m_Writer.OutText( "            if (state == 'on') {") ;
+    m_Writer.OutText( "                $('#' + id).attr('name', 'lb_off');") ;
+    m_Writer.OutText( "                $('#' + id).css('color', 'grey');") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "            else {") ;
+    m_Writer.OutText( "                $('#' + id).attr('name', 'lb_on');") ;
+    m_Writer.OutText( "                $('#' + id).css('color', '#f0ad4e');") ;
+    m_Writer.OutText( "            }") ;
+    m_Writer.OutText( "        }") ;
+    // 20) funzione updateVisibility
+    //      - obj: cambiare lo stato di visibilitÃ  dei gruppi e sottogruppi
+    //      - par: il gruppo da cui partire e lo stato da settare
+    m_Writer.OutText( "        function updateVisibility(currGroup, stato) {") ;
+    m_Writer.OutText( "            currGroup.children.forEach(element => {") ;
+    m_Writer.OutText( "                if (stato == 'on') {") ;
+    m_Writer.OutText( "                    element.visible = true;") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                else {") ;
+    m_Writer.OutText( "                    element.visible = false;") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                if (element.type == 'Group') {") ;
+    m_Writer.OutText( "                    if (stato == 'on') {") ;
+    m_Writer.OutText( "                        changeLBstate('lb_' + element.name, 'off');") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                    else {") ;
+    m_Writer.OutText( "                        changeLBstate('lb_' + element.name, 'on');") ;
+    m_Writer.OutText( "                    }") ;
+    m_Writer.OutText( "                }") ;
+    m_Writer.OutText( "                updateVisibility(element, stato);") ;
+    m_Writer.OutText( "            });") ;
+    m_Writer.OutText( "        }") ;
+    m_Writer.OutText("        </script>");
     // script per pulsante del menu laterale
     m_Writer.OutText( "        <script type = 'text/javascript'>") ; 
     m_Writer.OutText( "            $('.btn').click(function() {") ;
@@ -712,6 +1370,18 @@ ExportThreeJS::FinishAmbient()
     m_Writer.OutText( "                " + m_sCodMenu) ;
     m_Writer.OutText( "            </div>");
     m_Writer.OutText( "        </nav>") ;
+    // codice html per la creazione del menu contestuale al click del mouse
+    m_Writer.OutText( "        <ul class = 'dropdown-menu dropdown-menu-sm' id = 'context-menu'>") ;
+    m_Writer.OutText( "            <li> <a class = 'dropdown-item' id = 'CM_0'> Select </a> </li>") ;
+    m_Writer.OutText( "            <li> <a class = 'dropdown-item' id = 'CM_1'> Measure &raquo </a>") ;
+    m_Writer.OutText( "                <ul class = 'dropdown-menu dropdown-submenu'>") ;
+    m_Writer.OutText( "                    <li> <a class = 'dropdown-item' id = 'CM_2'> Sketch </a> </li>") ;
+    m_Writer.OutText( "                    <li> <a class = 'dropdown-item' id = 'CM_3'> Perimeter </a> </li>") ;
+    m_Writer.OutText( "                    <li> <a class = 'dropdown-item' id = 'CM_4'> Grid </a> </li>") ;
+    m_Writer.OutText( "                 </ul>") ;
+    m_Writer.OutText( "            </li>") ;
+    m_Writer.OutText( "            <li> <a class = 'dropdown-item' id = 'CM_6' style = 'font-weight: bold'> Cancel </a> </li>") ;
+    m_Writer.OutText( "        </ul>") ;
     m_Writer.OutText( "    </body>") ;
     m_Writer.OutText( "</html>") ;
 
@@ -751,7 +1421,7 @@ ExportThreeJS::ExportObject( const IGdbIterator& iIter, IGeomDB* pGDB, const int
     int nStat = GDB_ST_ON;
     iIter.GetCalcStatus(nStat);
 
-    if (TestFilter(nLev, nMode, nStat)) {
+    //if (TestFilter(nLev, nMode, nStat)) {
         switch (iIter.GetGdbType()) {
         case GDB_TY_GEO:
         {
@@ -766,15 +1436,15 @@ ExportThreeJS::ExportObject( const IGdbIterator& iIter, IGeomDB* pGDB, const int
                 return false;
 
             // se il filtro lo abilita 
-            //if (TestFilter(nLev, nMode, nStat))
-            //{
+            if (TestFilter(nLev, nMode, nStat))
+            {
                 // recupero eventuale nome
                 string sName;
                 if (!iIter.GetName(sName))
                     sName = ToString(iIter.GetId());
                 // colore oggetto
-                if (sName != "Box" && sName != "box")
-                {
+                //if (sName != "Box" && sName != "box")
+                //{
                     Color cCol;
                     int nIndex;
                     bool bColorSpot = false;
@@ -854,8 +1524,8 @@ ExportThreeJS::ExportObject( const IGdbIterator& iIter, IGeomDB* pGDB, const int
                     default:
                         break ;
                     }
-                }
-            //}
+                //}
+            }
         }
         return true ;
         case GDB_TY_GROUP:
@@ -864,7 +1534,7 @@ ExportThreeJS::ExportObject( const IGdbIterator& iIter, IGeomDB* pGDB, const int
         default:
             return false ;
         }
-    }
+    //}
 
     return true;
 }
@@ -1066,17 +1736,17 @@ ExportThreeJS::ExportCurveComp3D( const string& sName, const IGeoObj* pGeoObj, c
     m_Writer.OutText( "                line_material" + sName + ".oldColor = new THREE.Color(" + sHexCol + ")") ;
     m_Writer.OutText( "                var line_geometry" + sName + " = new THREE.Geometry();") ;
     m_Writer.OutText( "                line_geometry" + sName + ".vertices.push(") ;
-    m_Writer.OutText( "                    new THREE.Vector3(" + ToString( ptCurrentThreeJS.x) + "," + ToString( ptCurrentThreeJS.y) + "," + ToString( ptCurrentThreeJS.z) + "),") ;
+    m_Writer.OutText( "                new THREE.Vector3(" + ToString( ptCurrentThreeJS.x) + "," + ToString( ptCurrentThreeJS.y) + "," + ToString( ptCurrentThreeJS.z) + "),", false) ; // <-------
     
     // scorro tutti i punti ottenuti dalla mia approssimazione e creo delle linee rette
     while ( pLine.GetNextPoint( ptCurrent))
     {
         ptCurrentThreeJS = ptCurrent;
         ptCurrentThreeJS.LocToLoc( frFrame, m_frTHREEJSFrame) ;
-        m_Writer.OutText( "                    new THREE.Vector3(" + ToString( ptCurrentThreeJS.x) + "," + ToString( ptCurrentThreeJS.y) + "," + ToString( ptCurrentThreeJS.z) + "),") ;
+        m_Writer.OutText( " new THREE.Vector3(" + ToString( ptCurrentThreeJS.x) + "," + ToString( ptCurrentThreeJS.y) + "," + ToString( ptCurrentThreeJS.z) + "),", false) ; // <----------
     }
 
-    m_Writer.OutText( "                );") ;
+    m_Writer.OutText( "                );", false) ;
     m_Writer.OutText( "                var Compoline" + sName + " = new THREE.Line(line_geometry" + sName + ",line_material" + sName + ");") ; 
     m_Writer.OutText( "                list_of_objects.push(Compoline" + sName + ");") ;
     
@@ -1105,7 +1775,7 @@ ExportThreeJS::ExportSTM( const string& sName, const IGeoObj* pGeoObj, const Fra
      GetColor( Ccol, sHexCol) ;
      double dOpacity = Ccol.GetAlpha() ;
 
-     // controllo trasparenza e opacità
+     // controllo trasparenza e opacitÃ 
      double dOpacityThreeJs = 1 ;
      if ( dOpacity < 1)
      {
@@ -1120,7 +1790,7 @@ ExportThreeJS::ExportSTM( const string& sName, const IGeoObj* pGeoObj, const Fra
            sNewSurfDist.dDistance = dDistance ;
            sNewSurfDist.sName = ToString( m_nCont) ;
            m_lTranspSurf.push_back( sNewSurfDist) ;
-           // --- dOpacityThreeJs = 0.1 * dOpacity * dOpacity + 0.25 * dOpacity + 0.5;        // interpolazione quadratica per opacità (opacità ThreeJs diversa da opacità EGTCAM5)
+           // --- dOpacityThreeJs = 0.1 * dOpacity * dOpacity + 0.25 * dOpacity + 0.5;        // interpolazione quadratica per opacitÃ  (opacitÃ  ThreeJs diversa da opacitÃ  EGTCAM5)
            dOpacityThreeJs = 0.7 + 0.2*dOpacity ;
            // dOpacityThreeJs = dOpacity;
            
@@ -1129,7 +1799,7 @@ ExportThreeJS::ExportSTM( const string& sName, const IGeoObj* pGeoObj, const Fra
            // front side
            m_Writer.OutText( "                var front_surf_materials" + ToString( m_nCont) + "= new THREE.MeshPhongMaterial({color: " + sHexCol + ", transparent: true , opacity: " + ToString( dOpacityThreeJs) + ",  side: THREE.FrontSide});") ;
            m_Writer.OutText( "                front_surf_materials" + ToString( m_nCont) + ".oldColor = new THREE.Color(" + sHexCol + ");") ;
-           m_Writer.OutText( "                front_surf_materials" + ToString( m_nCont) + ".depthTest = true;");  // abilito test profondità
+           m_Writer.OutText( "                front_surf_materials" + ToString( m_nCont) + ".depthTest = true;");  // abilito test profonditÃ 
            m_Writer.OutText( "                front_surf_materials" + ToString( m_nCont) + ".blending = THREE.CustomBlending") ; // flag per blending customizzato
            m_Writer.OutText( "                front_surf_materials" + ToString( m_nCont) + ".blendEquation = THREE.AddEquation") ; // aggiungo equazione di blending
            m_Writer.OutText( "                front_surf_materials" + ToString( m_nCont) + ".blendSrc = THREE.SrcAlphaFactor") ; // source blending factor --> glBlendFunc( srcfactor, destfactor)
@@ -1140,7 +1810,7 @@ ExportThreeJS::ExportSTM( const string& sName, const IGeoObj* pGeoObj, const Fra
            // back side
            m_Writer.OutText( "                var back_surf_materials" + ToString(m_nCont) + "= new THREE.MeshPhongMaterial({color: " + sHexCol + ", transparent: true , opacity: " + ToString( dOpacityThreeJs) + ",  side: THREE.BackSide});") ;
            m_Writer.OutText( "                back_surf_materials" + ToString( m_nCont) + ".oldColor = new THREE.Color(" + sHexCol + ");") ;
-           m_Writer.OutText( "                back_surf_materials" + ToString( m_nCont) + ".depthTest = true;") ;    // abilito test profondità
+           m_Writer.OutText( "                back_surf_materials" + ToString( m_nCont) + ".depthTest = true;") ;    // abilito test profonditÃ 
            m_Writer.OutText( "                back_surf_materials" + ToString( m_nCont) + ".blending = THREE.CustomBlending") ; // flag per blending customizzato
            m_Writer.OutText( "                back_surf_materials" + ToString( m_nCont) + ".blendEquation = THREE.AddEquation") ; // aggiungo equazione di blending
            m_Writer.OutText( "                back_surf_materials" + ToString( m_nCont) + ".blendSrc = THREE.SrcAlphaFactor") ; // source blending factor --> glBlendFunc( srcfactor, destfactor)
@@ -1153,7 +1823,7 @@ ExportThreeJS::ExportSTM( const string& sName, const IGeoObj* pGeoObj, const Fra
            // mesh opaca
           m_Writer.OutText( "                var opaca_surf_materials" + ToString( m_nCont) + "= new THREE.MeshPhongMaterial({color: " + sHexCol + ", transparent: false , opacity: " + ToString( dOpacityThreeJs) + ",  side: THREE.DoubleSide});") ;
           m_Writer.OutText( "                opaca_surf_materials" + ToString( m_nCont) + ".oldColor = new THREE.Color(" + sHexCol + ");") ;
-          m_Writer.OutText( "                opaca_surf_materials" + ToString( m_nCont) + ".depthTest = true;") ;    // abilito test profondità
+          m_Writer.OutText( "                opaca_surf_materials" + ToString( m_nCont) + ".depthTest = true;") ;    // abilito test profonditÃ 
           m_Writer.OutText( "                opaca_surf_materials" + ToString( m_nCont) + ".blending = THREE.CustomBlending") ; // flag per blending customizzato
           m_Writer.OutText( "                opaca_surf_materials" + ToString( m_nCont) + ".blendEquation = THREE.AddEquation") ; // aggiungo equazione di blending
           m_Writer.OutText( "                opaca_surf_materials" + ToString( m_nCont) + ".blendSrc = THREE.SrcAlphaFactor") ; // source blending factor --> glBlendFunc( srcfactor, destfactor)
@@ -1175,10 +1845,10 @@ ExportThreeJS::ExportSTM( const string& sName, const IGeoObj* pGeoObj, const Fra
        {
            pSTM->GetVertex( i, ptCurrent);
            ptCurrent.LocToLoc( frFrame, m_frTHREEJSFrame);
-           m_Writer.OutText("                     new THREE.Vector3(" + ToString( ptCurrent.x) + ", " + ToString( ptCurrent.y) + ", " + ToString( ptCurrent.z) + "),") ;
+           m_Writer.OutText(" new THREE.Vector3(" + ToString( ptCurrent.x) + ", " + ToString( ptCurrent.y) + ", " + ToString( ptCurrent.z) + "),", false) ; // <--------
        }
 
-       m_Writer.OutText( "                ];") ;
+       m_Writer.OutText( "                ];", false) ;
 
        // creo vettore delle facce dei triangoli
 
@@ -1188,7 +1858,7 @@ ExportThreeJS::ExportSTM( const string& sName, const IGeoObj* pGeoObj, const Fra
        for ( int i = 0; i < iTotT; i++)
        {
            pSTM->GetTriangle( i, iPtCurrentTria) ;
-           m_Writer.OutText( "                    new THREE.Face3(" + ToString( iPtCurrentTria[0]) + ", " + ToString( iPtCurrentTria[1]) + ", " + ToString( iPtCurrentTria[2]) + "),") ;
+           m_Writer.OutText( " new THREE.Face3(" + ToString( iPtCurrentTria[0]) + ", " + ToString( iPtCurrentTria[1]) + ", " + ToString( iPtCurrentTria[2]) + "),", false) ; // <--------
        }
 
       m_Writer.OutText( "                ];") ;
@@ -1298,7 +1968,7 @@ ExportThreeJS::ExportText( const string& sName, const IGeoObj* pGeoObj, const Fr
         while (aLine.GetNextPoint(ptCurrent))
         {
             ptCurrent.LocToLoc( frFrame, m_frTHREEJSFrame) ;
-            m_Writer.OutText( "                    new THREE.Vector3(" + ToString( ptCurrent.x) + "," + ToString( ptCurrent.y) + "," + ToString( ptCurrent.z) + "),") ;
+            m_Writer.OutText( " new THREE.Vector3(" + ToString( ptCurrent.x) + "," + ToString( ptCurrent.y) + "," + ToString( ptCurrent.z) + "),", false) ; // <--------
         }
 
         m_Writer.OutText( "                );") ;
@@ -1341,12 +2011,12 @@ ExportThreeJS::ExportDimension( const std::string& sName, const IGeoObj* pGeoObj
         m_Writer.OutText( "                text_line_material" + sName + ToString(iDiff) + ".oldColor = new THREE.Color(" + sHexCol + ")") ;
         m_Writer.OutText( "                var text_line_geometry" + sName + ToString( iDiff) + " = new THREE.Geometry();") ;
         m_Writer.OutText( "                text_line_geometry" + sName + ToString( iDiff) + ".vertices.push(") ;
-        m_Writer.OutText( "                    new THREE.Vector3(" + ToString( ptCurrent.x) + "," + ToString( ptCurrent.y) + "," + ToString( ptCurrent.z) + "),") ;
+        m_Writer.OutText( " new THREE.Vector3(" + ToString( ptCurrent.x) + "," + ToString( ptCurrent.y) + "," + ToString( ptCurrent.z) + "),", false) ; // <--------
 
         while ( aLine.GetNextPoint( ptCurrent))
         {
             ptCurrent.LocToLoc( frFrame, m_frTHREEJSFrame) ;
-            m_Writer.OutText( "                    new THREE.Vector3(" + ToString( ptCurrent.x) + "," + ToString( ptCurrent.y) + "," + ToString( ptCurrent.z) + "),") ;
+            m_Writer.OutText( " new THREE.Vector3(" + ToString( ptCurrent.x) + "," + ToString( ptCurrent.y) + "," + ToString( ptCurrent.z) + "),", false) ; // <--------
         }
 
         m_Writer.OutText( "                );") ;
@@ -1397,24 +2067,31 @@ ExportThreeJS::ScanGroup( const IGdbIterator& iIter, IGeomDB* pGDB, const int nG
     string sId = ToString(pIter->GetId()) ;
 
     m_Writer.OutText( "                group" + ToString( m_nGroupCount) + ".name = '" + sId + "'") ;
-    // aggiung l'EventListner per il menù laterale sinistro
+    // aggiung l'EventListner per il menÃ¹ laterale sinistro
     m_Writer.OutText( "                document.getElementById('p_id_" + sId + "').addEventListener('click', function(){ if(!booked) { findGroupByNameAndId(groupRoot, " + sId + ", 1); }});") ;
+    m_Writer.OutText( "                document.getElementById('lb_" + sId + "').addEventListener('click', function(){ lightbulb('lb_" + sId + "')});") ;
 
     if (!sId.compare("0"))
     {
-        m_sCodMenu += "<button class = 'list-group-item list-group-item-action list-group-flush list-group-item-dark mb-0 border-0 ml-1 mt-1 py-1' name='btMenu' id = 'p_id_0'>" ;
-        m_sCodMenu += "<span class = 'badge bg-dark float-end' id = 's_id_0' name ='badgeMenu'></span>" ;
+        m_sCodMenu += "<div class = 'd-flex flex-row bd-highlight'>" ;
+        m_sCodMenu += "<i id = 'lb_0' name = 'lb_on' class = 'fa-solid fa-lightbulb m-0 py-1 visible' style = 'cursor: pointer; color: #f0ad4e'></i>";
+        m_sCodMenu += "<button class = 'list-group-item list-group-item-action list-group-flush list-group-item-dark mb-0 border-0 ml-1 py-0 mx-1' name='btMenu' id = 'p_id_0'>" ;
+        m_sCodMenu += "<span class = 'badge bg-dark float-end my-0' id = 's_id_0' name ='badgeMenu'></span>" ;
         m_sCodMenu += "<span class = 'border-0' name = 's_col_ora' id = 's_col_0'> <i>(0)</i></span>" ;
         m_sCodMenu += "<span id = 'ss_id_0'> BASIC MODEL</span>";
         m_sCodMenu += "</button>";
+        m_sCodMenu += "</div>" ;
     }
     else
     {
-        m_sCodMenu += "<button class = 'list-group-item list-group-item-action list-group-flush list-group-item-dark mb-0 border-0 ml-1 py-1' name='btMenu' id = 'p_id_" + sId + "'>" ;
-        m_sCodMenu += "<span class='badge bg-dark float-end' name ='badgeMenu' id = 's_id_" + sId + "'></span>" ;
+        m_sCodMenu += "<div class = 'd-flex flex-row bd-highlight'>" ;
+        m_sCodMenu += "<i id = 'lb_" + sId + "' name = 'lb_on' class = 'fa-solid fa-lightbulb m-0 py-1 visible' style = 'cursor: pointer; color: #f0ad4e'></i>";
+        m_sCodMenu += "<button class = 'list-group-item list-group-item-action list-group-flush list-group-item-dark mb-0 border-0 ml-1 py-0 mx-1' name='btMenu' id = 'p_id_" + sId + "'>" ;
+        m_sCodMenu += "<span class='badge bg-dark float-end my-0' name ='badgeMenu' id = 's_id_" + sId + "'></span>" ;
         m_sCodMenu += "<span  name = 's_col_ora' id = 's_col_" + sId + "'> <i>(" + sId + ")</i></span>" ;
         m_sCodMenu += "<span id = 'ss_id_" + sId + "'> " + sName + "</span>" ;
         m_sCodMenu += "</button>" ;
+        m_sCodMenu += "</div>";
     }
 
     int nCurrentGroup = m_nGroupCount;
@@ -1441,7 +2118,6 @@ ExportThreeJS::ScanGroup( const IGdbIterator& iIter, IGeomDB* pGDB, const int nG
 bool
 ExportThreeJS::TestFilter( int nLev, int nMode, int nStat)
 {
-    /*
     if (( nLev == GDB_LV_USER && (m_nFilter & EEXFLT_LEVUSER) == 0) ||
         ( nLev == GDB_LV_SYSTEM && (m_nFilter & EEXFLT_LEVSYSTEM) == 0) ||
         ( nLev == GDB_LV_TEMP && (m_nFilter & EEXFLT_LEVTEMP) == 0))
@@ -1450,7 +2126,6 @@ ExportThreeJS::TestFilter( int nLev, int nMode, int nStat)
         ( nMode == GDB_MD_LOCKED && (m_nFilter & EEXFLT_MODELOCKED) == 0) ||
         ( nMode == GDB_MD_HIDDEN && (m_nFilter & EEXFLT_MODEHIDDEN) == 0))
         return false;
-    */
     if (( nStat == GDB_ST_OFF && (m_nFilter & EEXFLT_STAOFF) == 0) ||
         ( nStat == GDB_ST_ON && (m_nFilter & EEXFLT_STAON) == 0) ||
         ( nStat == GDB_ST_SEL && (m_nFilter & EEXFLT_STASEL) == 0))
diff --git a/ExportThreeJS.h b/ExportThreeJS.h
index a8eb7f4..e1585c2 100644
--- a/ExportThreeJS.h
+++ b/ExportThreeJS.h
@@ -35,7 +35,7 @@ class ExportThreeJS : public IExportThreeJS
 {
 public:
     virtual bool SetOptions(int nFilter);
-    virtual bool Export(IGeomDB* pGDB, int nId, const std::string& sFile, IEGrScene* pScene);
+    virtual bool Export(IGeomDB* pGDB, int nId, const std::string& sFile, IEGrScene* pScene, bool bUdm);
 
 public:
     ExportThreeJS(void) : m_nFilter(EEXFLT_DEFAULT) {}
@@ -61,6 +61,7 @@ private:
     int      m_nFilter;                                  // filtro su livello, modo e stato
     Writer   m_Writer;                                   // scrittore di file di testo oggetto
     Point3d  m_ptMin;                                    // punto minimo del box3d
+    bool     m_bUdm_mm;                                  // se l'unità di misura è in mm
     double   m_dimX;                                     // dimX Box3d Global
     double   m_dimY;                                     // dimY Box3d Global
     double   m_dimZ;                                     // dimZ Box3d Global
@@ -78,4 +79,5 @@ private:
     int      m_nGroupCount = -1;                         // Contatore del gruppo
     std::string   m_sCodMenu;                            // Stringa per la creazione del menu laterale della scena
     std::string   m_spath;                               // Path dove salvare il file 
+    std::string   m_sUdm;                                // udm della scena
 };
