diff --git a/CityGMLTutorial/CityGML3/LOD1Solid_CityGML3.gml b/CityGMLTutorial/CityGML3/LOD1Solid_CityGML3.gml
index 96fa997b15291ffd693cbd9256c5330a6b0f0352..2c5b8e78a5c3139fce3c66da5dcf59a24fa75cfa 100644
--- a/CityGMLTutorial/CityGML3/LOD1Solid_CityGML3.gml
+++ b/CityGMLTutorial/CityGML3/LOD1Solid_CityGML3.gml
@@ -3,20 +3,20 @@
     <gml:boundedBy xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:smil20lang="http://www.w3.org/2001/SMIL20/Language" xmlns:pbase="http://www.opengis.net/citygml/profiles/base/2.0" xmlns:smil20="http://www.w3.org/2001/SMIL20/">
         <gml:Envelope srsDimension="3">
             <gml:lowerCorner>0 0 0</gml:lowerCorner>
-            <gml:upperCorner>1.3900000000000001 1.03 1.7500000000000002</gml:upperCorner>
+            <gml:upperCorner>1.39 1.03 1.75</gml:upperCorner>
         </gml:Envelope>
     </gml:boundedBy>
     <core:cityObjectMember xmlns:sch="http://www.ascc.net/xml/schematron" xmlns:smil20lang="http://www.w3.org/2001/SMIL20/Language" xmlns:pbase="http://www.opengis.net/citygml/profiles/base/2.0" xmlns:smil20="http://www.w3.org/2001/SMIL20/">
-        <bldg:Building gml:id="UUID_7b5f1bf0-00d9-4bb4-9f11-55d908b64569">
+        <bldg:Building gml:id="UUID_867ca1f7-abbd-44fe-94cd-2b3bf9812216">
             <lod1Solid>
-                <gml:Solid gml:id="UUID_7b5f1bf0-00d9-4bb4-9f11-55d908b64569_sl_N65572" srsDimension="3">
+                <gml:Solid gml:id="UUID_867ca1f7-abbd-44fe-94cd-2b3bf9812216_sl_N65572" srsDimension="3">
                     <gml:exterior>
                         <gml:Shell>
                             <gml:surfaceMember>
                                 <gml:Polygon>
                                     <gml:exterior>
                                         <gml:LinearRing>
-                                            <gml:posList>1.3900000000000001 1.03 0 0 1.03 0 0 1.03 1.7500000000000002 1.3900000000000001 1.03 1.7500000000000002 1.3900000000000001 1.03 0</gml:posList>
+                                            <gml:posList>1.39 1.03 0 0 1.03 0 0 1.03 1.75 1.39 1.03 1.75 1.39 1.03 0</gml:posList>
                                         </gml:LinearRing>
                                     </gml:exterior>
                                 </gml:Polygon>
@@ -25,7 +25,7 @@
                                 <gml:Polygon>
                                     <gml:exterior>
                                         <gml:LinearRing>
-                                            <gml:posList>1.3900000000000001 0 1.7500000000000002 1.3900000000000001 0 0 1.3900000000000001 1.03 0 1.3900000000000001 1.03 1.7500000000000002 1.3900000000000001 0 1.7500000000000002</gml:posList>
+                                            <gml:posList>1.39 0 1.75 1.39 0 0 1.39 1.03 0 1.39 1.03 1.75 1.39 0 1.75</gml:posList>
                                         </gml:LinearRing>
                                     </gml:exterior>
                                 </gml:Polygon>
@@ -34,7 +34,7 @@
                                 <gml:Polygon>
                                     <gml:exterior>
                                         <gml:LinearRing>
-                                            <gml:posList>0 1.03 1.7500000000000002 0 0 1.7500000000000002 1.3900000000000001 0 1.7500000000000002 1.3900000000000001 1.03 1.7500000000000002 0 1.03 1.7500000000000002</gml:posList>
+                                            <gml:posList>0 1.03 1.75 0 0 1.75 1.39 0 1.75 1.39 1.03 1.75 0 1.03 1.75</gml:posList>
                                         </gml:LinearRing>
                                     </gml:exterior>
                                 </gml:Polygon>
@@ -43,7 +43,7 @@
                                 <gml:Polygon>
                                     <gml:exterior>
                                         <gml:LinearRing>
-                                            <gml:posList>0 1.03 0 0 0 0 0 0 1.7500000000000002 0 1.03 1.7500000000000002 0 1.03 0</gml:posList>
+                                            <gml:posList>0 1.03 0 0 0 0 0 0 1.75 0 1.03 1.75 0 1.03 0</gml:posList>
                                         </gml:LinearRing>
                                     </gml:exterior>
                                 </gml:Polygon>
@@ -52,7 +52,7 @@
                                 <gml:Polygon>
                                     <gml:exterior>
                                         <gml:LinearRing>
-                                            <gml:posList>1.3900000000000001 1.03 0 1.3900000000000001 0 0 0 0 0 0 1.03 0 1.3900000000000001 1.03 0</gml:posList>
+                                            <gml:posList>1.39 1.03 0 1.39 0 0 0 0 0 0 1.03 0 1.39 1.03 0</gml:posList>
                                         </gml:LinearRing>
                                     </gml:exterior>
                                 </gml:Polygon>
@@ -61,7 +61,7 @@
                                 <gml:Polygon>
                                     <gml:exterior>
                                         <gml:LinearRing>
-                                            <gml:posList>0 0 1.7500000000000002 0 0 0 1.3900000000000001 0 0 1.3900000000000001 0 1.7500000000000002 0 0 1.7500000000000002</gml:posList>
+                                            <gml:posList>0 0 1.75 0 0 0 1.39 0 0 1.39 0 1.75 0 0 1.75</gml:posList>
                                         </gml:LinearRing>
                                     </gml:exterior>
                                 </gml:Polygon>