From 4536aeab377329de0a1be59addf70c911763c9ed Mon Sep 17 00:00:00 2001
From: Bernhard <b_walter@arcor.de>
Date: Thu, 15 Jun 2023 23:00:16 +0200
Subject: [PATCH] latest docs

---
 docs/Camera.html                  |   2 +-
 docs/Controls.html                |   2 +-
 docs/Display.html                 |   2 +-
 docs/Viewer.html                  | 146 +++++++++++++++---------------
 docs/camera.js.html               |  22 +++--
 docs/controls.js.html             |   2 +-
 docs/display.js.html              |   2 +-
 docs/dist/three-cad-viewer.esm.js |  45 +++++----
 docs/global.html                  |   2 +-
 docs/index.html                   |   2 +-
 docs/types.js.html                |   2 +-
 docs/viewer.js.html               |  25 ++---
 12 files changed, 134 insertions(+), 120 deletions(-)

diff --git a/docs/Camera.html b/docs/Camera.html
index ce4495c..5f05631 100644
--- a/docs/Camera.html
+++ b/docs/Camera.html
@@ -2247,7 +2247,7 @@ <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Camera.ht
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 08 2023 12:00:10 GMT+0200 (Central European Summer Time)
+    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 15 2023 22:21:58 GMT+0200 (Central European Summer Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/Controls.html b/docs/Controls.html
index c014fc1..74664d6 100644
--- a/docs/Controls.html
+++ b/docs/Controls.html
@@ -3338,7 +3338,7 @@ <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Camera.ht
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 08 2023 12:00:10 GMT+0200 (Central European Summer Time)
+    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 15 2023 22:21:58 GMT+0200 (Central European Summer Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/Display.html b/docs/Display.html
index 9217c7b..ceb60fc 100644
--- a/docs/Display.html
+++ b/docs/Display.html
@@ -7755,7 +7755,7 @@ <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Camera.ht
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 08 2023 12:00:10 GMT+0200 (Central European Summer Time)
+    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 15 2023 22:21:58 GMT+0200 (Central European Summer Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/Viewer.html b/docs/Viewer.html
index 6296964..0ddc0f0 100644
--- a/docs/Viewer.html
+++ b/docs/Viewer.html
@@ -307,7 +307,7 @@ <h4 class="name" id="pinAsPng"><span class="type-signature"></span>pinAsPng<span
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1837">line 1837</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1838">line 1838</a>
     </li></ul></dd>
     
 
@@ -1022,7 +1022,7 @@ <h4 class="name" id="backupAnimation"><span class="type-signature"></span>backup
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1048">line 1048</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1049">line 1049</a>
     </li></ul></dd>
     
 
@@ -1495,7 +1495,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1069">line 1069</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1070">line 1070</a>
     </li></ul></dd>
     
 
@@ -1818,7 +1818,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1875">line 1875</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1876">line 1876</a>
     </li></ul></dd>
     
 
@@ -1906,7 +1906,7 @@ <h4 class="name" id="getAmbientLight"><span class="type-signature"></span>getAmb
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1529">line 1529</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1530">line 1530</a>
     </li></ul></dd>
     
 
@@ -2016,7 +2016,7 @@ <h4 class="name" id="getAxes"><span class="type-signature"></span>getAxes<span c
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1209">line 1209</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1210">line 1210</a>
     </li></ul></dd>
     
 
@@ -2126,7 +2126,7 @@ <h4 class="name" id="getAxes0"><span class="type-signature"></span>getAxes0<span
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1270">line 1270</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1271">line 1271</a>
     </li></ul></dd>
     
 
@@ -2236,7 +2236,7 @@ <h4 class="name" id="getBlackEdges"><span class="type-signature"></span>getBlack
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1319">line 1319</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1320">line 1320</a>
     </li></ul></dd>
     
 
@@ -2346,7 +2346,7 @@ <h4 class="name" id="getCameraPosition"><span class="type-signature"></span>getC
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1378">line 1378</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1379">line 1379</a>
     </li></ul></dd>
     
 
@@ -2456,7 +2456,7 @@ <h4 class="name" id="getCameraQuaternion"><span class="type-signature"></span>ge
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1398">line 1398</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1399">line 1399</a>
     </li></ul></dd>
     
 
@@ -2566,7 +2566,7 @@ <h4 class="name" id="getCameraTarget"><span class="type-signature"></span>getCam
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1417">line 1417</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1418">line 1418</a>
     </li></ul></dd>
     
 
@@ -2676,7 +2676,7 @@ <h4 class="name" id="getCameraType"><span class="type-signature"></span>getCamer
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line906">line 906</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line907">line 907</a>
     </li></ul></dd>
     
 
@@ -2786,7 +2786,7 @@ <h4 class="name" id="getCameraZoom"><span class="type-signature"></span>getCamer
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1359">line 1359</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1360">line 1360</a>
     </li></ul></dd>
     
 
@@ -2896,7 +2896,7 @@ <h4 class="name" id="getClipIntersection"><span class="type-signature"></span>ge
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1660">line 1660</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1661">line 1661</a>
     </li></ul></dd>
     
 
@@ -3055,7 +3055,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1724">line 1724</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1725">line 1725</a>
     </li></ul></dd>
     
 
@@ -3165,7 +3165,7 @@ <h4 class="name" id="getClipPlaneHelpers"><span class="type-signature"></span>ge
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1686">line 1686</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1687">line 1687</a>
     </li></ul></dd>
     
 
@@ -3324,7 +3324,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1773">line 1773</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1774">line 1774</a>
     </li></ul></dd>
     
 
@@ -3434,7 +3434,7 @@ <h4 class="name" id="getDirectLight"><span class="type-signature"></span>getDire
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1553">line 1553</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1554">line 1554</a>
     </li></ul></dd>
     
 
@@ -3544,7 +3544,7 @@ <h4 class="name" id="getEdgeColor"><span class="type-signature"></span>getEdgeCo
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1469">line 1469</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1470">line 1470</a>
     </li></ul></dd>
     
 
@@ -3654,7 +3654,7 @@ <h4 class="name" id="getGrids"><span class="type-signature"></span>getGrids<span
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1247">line 1247</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1248">line 1248</a>
     </li></ul></dd>
     
 
@@ -3764,7 +3764,7 @@ <h4 class="name" id="getOpacity"><span class="type-signature"></span>getOpacity<
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1489">line 1489</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1490">line 1490</a>
     </li></ul></dd>
     
 
@@ -3874,7 +3874,7 @@ <h4 class="name" id="getOrtho"><span class="type-signature"></span>getOrtho<span
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1343">line 1343</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1344">line 1344</a>
     </li></ul></dd>
     
 
@@ -3984,7 +3984,7 @@ <h4 class="name" id="getPanSpeed"><span class="type-signature"></span>getPanSpee
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1620">line 1620</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1621">line 1621</a>
     </li></ul></dd>
     
 
@@ -4094,7 +4094,7 @@ <h4 class="name" id="getResetLocation"><span class="type-signature"></span>getRe
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1795">line 1795</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1796">line 1796</a>
     </li></ul></dd>
     
 
@@ -4204,7 +4204,7 @@ <h4 class="name" id="getRotateSpeed"><span class="type-signature"></span>getRota
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1640">line 1640</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1641">line 1641</a>
     </li></ul></dd>
     
 
@@ -4314,7 +4314,7 @@ <h4 class="name" id="getStates"><span class="type-signature"></span>getStates<sp
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1576">line 1576</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1577">line 1577</a>
     </li></ul></dd>
     
 
@@ -4424,7 +4424,7 @@ <h4 class="name" id="getTools"><span class="type-signature"></span>getTools<span
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1509">line 1509</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1510">line 1510</a>
     </li></ul></dd>
     
 
@@ -4534,7 +4534,7 @@ <h4 class="name" id="getTransparent"><span class="type-signature"></span>getTran
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1295">line 1295</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1296">line 1296</a>
     </li></ul></dd>
     
 
@@ -4644,7 +4644,7 @@ <h4 class="name" id="getZoomSpeed"><span class="type-signature"></span>getZoomSp
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1600">line 1600</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1601">line 1601</a>
     </li></ul></dd>
     
 
@@ -4872,7 +4872,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1116">line 1116</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1117">line 1117</a>
     </li></ul></dd>
     
 
@@ -5257,7 +5257,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1170">line 1170</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1171">line 1171</a>
     </li></ul></dd>
     
 
@@ -5488,7 +5488,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line897">line 897</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line898">line 898</a>
     </li></ul></dd>
     
 
@@ -5682,7 +5682,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line932">line 932</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line933">line 933</a>
     </li></ul></dd>
     
 
@@ -5842,7 +5842,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1040">line 1040</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1041">line 1041</a>
     </li></ul></dd>
     
 
@@ -6048,7 +6048,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line603">line 603</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line604">line 604</a>
     </li></ul></dd>
     
 
@@ -6341,7 +6341,7 @@ <h4 class="name" id="reset"><span class="type-signature"></span>reset<span class
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line970">line 970</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line971">line 971</a>
     </li></ul></dd>
     
 
@@ -6429,7 +6429,7 @@ <h4 class="name" id="resize"><span class="type-signature"></span>resize<span cla
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line960">line 960</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line961">line 961</a>
     </li></ul></dd>
     
 
@@ -6691,7 +6691,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1958">line 1958</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1959">line 1959</a>
     </li></ul></dd>
     
 
@@ -6779,7 +6779,7 @@ <h4 class="name" id="restoreAnimation"><span class="type-signature"></span>resto
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1057">line 1057</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1058">line 1058</a>
     </li></ul></dd>
     
 
@@ -6971,7 +6971,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1539">line 1539</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1540">line 1540</a>
     </li></ul></dd>
     
 
@@ -7131,7 +7131,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1219">line 1219</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1220">line 1220</a>
     </li></ul></dd>
     
 
@@ -7323,7 +7323,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1280">line 1280</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1281">line 1281</a>
     </li></ul></dd>
     
 
@@ -7515,7 +7515,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1329">line 1329</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1330">line 1330</a>
     </li></ul></dd>
     
 
@@ -7824,7 +7824,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line873">line 873</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line874">line 874</a>
     </li></ul></dd>
     
 
@@ -8055,7 +8055,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1388">line 1388</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1389">line 1389</a>
     </li></ul></dd>
     
 
@@ -8247,7 +8247,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1407">line 1407</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1408">line 1408</a>
     </li></ul></dd>
     
 
@@ -8439,7 +8439,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1426">line 1426</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1427">line 1427</a>
     </li></ul></dd>
     
 
@@ -8631,7 +8631,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1368">line 1368</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1369">line 1369</a>
     </li></ul></dd>
     
 
@@ -8823,7 +8823,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1670">line 1670</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1671">line 1671</a>
     </li></ul></dd>
     
 
@@ -9050,7 +9050,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1735">line 1735</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1736">line 1736</a>
     </li></ul></dd>
     
 
@@ -9242,7 +9242,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1757">line 1757</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1758">line 1758</a>
     </li></ul></dd>
     
 
@@ -9434,7 +9434,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1707">line 1707</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1708">line 1708</a>
     </li></ul></dd>
     
 
@@ -9571,7 +9571,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1695">line 1695</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1696">line 1696</a>
     </li></ul></dd>
     
 
@@ -9798,7 +9798,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1784">line 1784</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1785">line 1785</a>
     </li></ul></dd>
     
 
@@ -9990,7 +9990,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1562">line 1562</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1563">line 1563</a>
     </li></ul></dd>
     
 
@@ -10319,7 +10319,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1479">line 1479</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1480">line 1480</a>
     </li></ul></dd>
     
 
@@ -10511,7 +10511,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1235">line 1235</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1236">line 1236</a>
     </li></ul></dd>
     
 
@@ -10703,7 +10703,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1257">line 1257</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1258">line 1258</a>
     </li></ul></dd>
     
 
@@ -10840,7 +10840,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line979">line 979</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line980">line 980</a>
     </li></ul></dd>
     
 
@@ -11032,7 +11032,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line990">line 990</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line991">line 991</a>
     </li></ul></dd>
     
 
@@ -11224,7 +11224,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1499">line 1499</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1500">line 1500</a>
     </li></ul></dd>
     
 
@@ -11361,7 +11361,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1351">line 1351</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1352">line 1352</a>
     </li></ul></dd>
     
 
@@ -11521,7 +11521,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1630">line 1630</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1631">line 1631</a>
     </li></ul></dd>
     
 
@@ -11955,7 +11955,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1814">line 1814</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1815">line 1815</a>
     </li></ul></dd>
     
 
@@ -12115,7 +12115,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1650">line 1650</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1651">line 1651</a>
     </li></ul></dd>
     
 
@@ -12342,7 +12342,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1093">line 1093</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1094">line 1094</a>
     </li></ul></dd>
     
 
@@ -12475,7 +12475,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1585">line 1585</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1586">line 1586</a>
     </li></ul></dd>
     
 
@@ -12667,7 +12667,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1305">line 1305</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1306">line 1306</a>
     </li></ul></dd>
     
 
@@ -12964,7 +12964,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1610">line 1610</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1611">line 1611</a>
     </li></ul></dd>
     
 
@@ -13156,7 +13156,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1519">line 1519</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1520">line 1520</a>
     </li></ul></dd>
     
 
@@ -13348,7 +13348,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line915">line 915</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line916">line 916</a>
     </li></ul></dd>
     
 
@@ -13508,7 +13508,7 @@ <h5>Parameters:</h5>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1931">line 1931</a>
+        <a href="viewer.js.html">viewer.js</a>, <a href="viewer.js.html#line1932">line 1932</a>
     </li></ul></dd>
     
 
@@ -13842,7 +13842,7 @@ <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Camera.ht
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 08 2023 12:00:10 GMT+0200 (Central European Summer Time)
+    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 15 2023 22:21:58 GMT+0200 (Central European Summer Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/camera.js.html b/docs/camera.js.html
index a51b912..0e1859a 100644
--- a/docs/camera.js.html
+++ b/docs/camera.js.html
@@ -336,14 +336,20 @@ <h1 class="page-title">Source: camera.js</h1>
     const aspect = width / height;
     const pSize = this.projectSize(distance, aspect);
 
-    this.oCamera.left = -pSize[0];
-    this.oCamera.right = pSize[0];
-    this.oCamera.top = pSize[1];
-    this.oCamera.bottom = -pSize[1];
-
-    this.pCamera.aspect = aspect;
+    if (this.oCamera){
+      this.oCamera.left = -pSize[0];
+      this.oCamera.right = pSize[0];
+      this.oCamera.top = pSize[1];
+      this.oCamera.bottom = -pSize[1];
+    }
 
-    this.camera.updateProjectionMatrix();
+    if (this.pCamera){
+      this.pCamera.aspect = aspect;
+    }
+    
+    if (this.camera) {
+      this.camera.updateProjectionMatrix();
+    }
   }
 }
 
@@ -364,7 +370,7 @@ <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Camera.ht
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 08 2023 12:00:10 GMT+0200 (Central European Summer Time)
+    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 15 2023 22:21:58 GMT+0200 (Central European Summer Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/controls.js.html b/docs/controls.js.html
index ef772ab..6c2d3e7 100644
--- a/docs/controls.js.html
+++ b/docs/controls.js.html
@@ -306,7 +306,7 @@ <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Camera.ht
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 08 2023 12:00:10 GMT+0200 (Central European Summer Time)
+    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 15 2023 22:21:58 GMT+0200 (Central European Summer Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/display.js.html b/docs/display.js.html
index 56967f5..6d7edd9 100644
--- a/docs/display.js.html
+++ b/docs/display.js.html
@@ -1330,7 +1330,7 @@ <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Camera.ht
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 08 2023 12:00:10 GMT+0200 (Central European Summer Time)
+    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 15 2023 22:21:58 GMT+0200 (Central European Summer Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/dist/three-cad-viewer.esm.js b/docs/dist/three-cad-viewer.esm.js
index f7ca47b..04a2f13 100644
--- a/docs/dist/three-cad-viewer.esm.js
+++ b/docs/dist/three-cad-viewer.esm.js
@@ -57740,18 +57740,24 @@ class Camera {
     const aspect = width / height;
     const pSize = this.projectSize(distance, aspect);
 
-    this.oCamera.left = -pSize[0];
-    this.oCamera.right = pSize[0];
-    this.oCamera.top = pSize[1];
-    this.oCamera.bottom = -pSize[1];
-
-    this.pCamera.aspect = aspect;
+    if (this.oCamera){
+      this.oCamera.left = -pSize[0];
+      this.oCamera.right = pSize[0];
+      this.oCamera.top = pSize[1];
+      this.oCamera.bottom = -pSize[1];
+    }
 
-    this.camera.updateProjectionMatrix();
+    if (this.pCamera){
+      this.pCamera.aspect = aspect;
+    }
+    
+    if (this.camera) {
+      this.camera.updateProjectionMatrix();
+    }
   }
 }
 
-const version="1.7.11";
+const version="1.7.12";
 
 class Viewer {
   /**
@@ -58197,17 +58203,17 @@ class Viewer {
       if (this.animation) {
         this.animation.update();
       }
-    }
-
-    this.checkChanges(
-      {
-        zoom: this.camera.getZoom(),
-        position: this.camera.getPosition().toArray(),
-        quaternion: this.camera.getQuaternion().toArray(),
-        target: this.controls.getTarget().toArray(),
-      },
-      notify,
-    );
+      
+      this.checkChanges(
+        {
+          zoom: this.camera.getZoom(),
+          position: this.camera.getPosition().toArray(),
+          quaternion: this.camera.getQuaternion().toArray(),
+          target: this.controls.getTarget().toArray(),
+        },
+        notify,
+        );
+      }
   };
 
   /**
@@ -58323,6 +58329,7 @@ class Viewer {
 
       // dispose scene
       this.scene = null;
+      this.ready = false;
     }
   }
 
diff --git a/docs/global.html b/docs/global.html
index ae39661..575a79b 100644
--- a/docs/global.html
+++ b/docs/global.html
@@ -3751,7 +3751,7 @@ <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Camera.ht
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 08 2023 12:00:10 GMT+0200 (Central European Summer Time)
+    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 15 2023 22:21:58 GMT+0200 (Central European Summer Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/index.html b/docs/index.html
index c77209d..b68b9f6 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -201,7 +201,7 @@ <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Camera.ht
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 08 2023 12:00:10 GMT+0200 (Central European Summer Time)
+    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 15 2023 22:21:58 GMT+0200 (Central European Summer Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/types.js.html b/docs/types.js.html
index e5a70b0..cf18428 100644
--- a/docs/types.js.html
+++ b/docs/types.js.html
@@ -352,7 +352,7 @@ <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Camera.ht
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 08 2023 12:00:10 GMT+0200 (Central European Summer Time)
+    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 15 2023 22:21:58 GMT+0200 (Central European Summer Time)
 </footer>
 
 <script> prettyPrint(); </script>
diff --git a/docs/viewer.js.html b/docs/viewer.js.html
index e0a82c6..00a3b79 100644
--- a/docs/viewer.js.html
+++ b/docs/viewer.js.html
@@ -488,17 +488,17 @@ <h1 class="page-title">Source: viewer.js</h1>
       if (this.animation) {
         this.animation.update();
       }
-    }
-
-    this.checkChanges(
-      {
-        zoom: this.camera.getZoom(),
-        position: this.camera.getPosition().toArray(),
-        quaternion: this.camera.getQuaternion().toArray(),
-        target: this.controls.getTarget().toArray(),
-      },
-      notify,
-    );
+      
+      this.checkChanges(
+        {
+          zoom: this.camera.getZoom(),
+          position: this.camera.getPosition().toArray(),
+          quaternion: this.camera.getQuaternion().toArray(),
+          target: this.controls.getTarget().toArray(),
+        },
+        notify,
+        );
+      }
   };
 
   /**
@@ -614,6 +614,7 @@ <h1 class="page-title">Source: viewer.js</h1>
 
       // dispose scene
       this.scene = null;
+      this.ready = false;
     }
   }
 
@@ -2028,7 +2029,7 @@ <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Camera.ht
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 08 2023 12:00:10 GMT+0200 (Central European Summer Time)
+    Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.2</a> on Thu Jun 15 2023 22:21:58 GMT+0200 (Central European Summer Time)
 </footer>
 
 <script> prettyPrint(); </script>