From 249c8f8646c3a07c44f2a6d749846b574ed922fe Mon Sep 17 00:00:00 2001
From: hugtalbot <hugo.talbot@sofa-framework.org>
Date: Fri, 18 Jul 2025 14:33:49 +0200
Subject: [PATCH 1/2] [examples] Update new default scene with LineAxis and
 centered

---
 examples/Demos/fallingSOFA.scn      | 21 ++++++++++++---------
 examples/Demos/fallingSOFA.scn.view |  2 +-
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/examples/Demos/fallingSOFA.scn b/examples/Demos/fallingSOFA.scn
index 3914d38ba17..bbf2cdd2e6f 100644
--- a/examples/Demos/fallingSOFA.scn
+++ b/examples/Demos/fallingSOFA.scn
@@ -30,7 +30,10 @@
     <VisualStyle displayFlags="showVisual"/>
 
     <!-- Define Mouse left click as a Bilateral Lagrangian constraint -->
-    <ConstraintAttachButtonSetting />
+    <ConstraintAttachButtonSetting/>
+
+    <!-- Drawing the world coordinate axis -->
+    <LineAxis  infinite="true" vanishing="true" thickness="1"/>
 
     <!-- Header of the simulation -->
     <!-- This animation loop will add steps in the time intyegration to enable Lagrangian-based constraint solving
@@ -54,7 +57,7 @@
     <!-- Non-simulated node used to create underlying deformable topology -->
     <Node name="BeamDomainFromGridTopology">
         <!-- Computes a hexahedral topology based on a parametric grid -->
-        <RegularGridTopology name="HexaTop" n="15 3 6" min="0 0.02 0" max="0.5 0.08 0.22"/>
+        <RegularGridTopology name="HexaTop" n="15 3 6" min="-0.25 0.02 0.5" max="0.25 0.08 0.72"/>
 
         <Node name="TetraTopology">
             <!-- Transform the hexahedral topology into a tetrahedral topology
@@ -106,32 +109,32 @@
 
         <!-- Visual model is made up of all the parts of the logo, mapped using barycentric mapping -->
         <Node name="VisuLogo">
-            <MeshOBJLoader name="SurfaceLoader" filename="mesh/SofaScene/LogoVisu.obj" scale3d="0.015 0.015 0.015" translation="0 0.05 0" rotation="180 0 0"/>
+            <MeshOBJLoader name="SurfaceLoader" filename="mesh/SofaScene/LogoVisu.obj" scale3d="0.015 0.015 0.015" translation="-0.25 0.05 0.5" rotation="180 0 0"/>
             <!-- This replaces MechanicalObject for nodes that are only there for visualization -->
             <OglModel name="VisualModel" color="0.7 .35 0 1.0" position="@SurfaceLoader.position" triangles="@SurfaceLoader.triangles" />
             <BarycentricMapping name="MappingVisu" input="@../mstate" output="@VisualModel" isMechanical="false" />
         </Node>
 
         <Node name="VisuS">
-            <MeshOBJLoader name="SurfaceLoader" filename="mesh/SofaScene/SVisu.obj" scale3d="0.015 0.015 0.015" translation="0 0.05 0" rotation="180 0 0"/>
+            <MeshOBJLoader name="SurfaceLoader" filename="mesh/SofaScene/SVisu.obj" scale3d="0.015 0.015 0.015" translation="-0.25 0.05 0.5" rotation="180 0 0"/>
             <OglModel name="VisualModel" color="0.7 0.7 0.7 1" position="@SurfaceLoader.position" triangles="@SurfaceLoader.triangles" />
             <BarycentricMapping name="MappingVisu" input="@../mstate" output="@VisualModel" isMechanical="false" />
         </Node>
 
         <Node name="VisuO">
-            <MeshOBJLoader name="SurfaceLoader" filename="mesh/SofaScene/O.obj" scale3d="0.015 0.015 0.015"  translation="0 0.05 0" rotation="180 0 0"/>
+            <MeshOBJLoader name="SurfaceLoader" filename="mesh/SofaScene/O.obj" scale3d="0.015 0.015 0.015"  translation="-0.25 0.05 0.5" rotation="180 0 0"/>
             <OglModel name="VisualModel" color="0.7 0.7 0.7 1" position="@SurfaceLoader.position" triangles="@SurfaceLoader.triangles" />
             <BarycentricMapping name="MappingVisu" input="@../mstate" output="@VisualModel" isMechanical="false" />
         </Node>
 
         <Node name="VisuF">
-            <MeshOBJLoader name="SurfaceLoader" filename="mesh/SofaScene/FVisu.obj" scale3d="0.015 0.015 0.015" translation="0 0.05 0" rotation="180 0 0"/>
+            <MeshOBJLoader name="SurfaceLoader" filename="mesh/SofaScene/FVisu.obj" scale3d="0.015 0.015 0.015" translation="-0.25 0.05 0.5" rotation="180 0 0"/>
             <OglModel name="VisualModel" color="0.7 0.7 0.7 1" position="@SurfaceLoader.position" triangles="@SurfaceLoader.triangles" />
             <BarycentricMapping name="MappingVisu" input="@../mstate" output="@VisualModel" isMechanical="false" />
         </Node>
 
         <Node name="VisuA">
-            <MeshOBJLoader name="SurfaceLoader" filename="mesh/SofaScene/AVisu.obj" scale3d="0.015 0.015 0.015" translation="0 0.05 0" rotation="180 0 0"/>
+            <MeshOBJLoader name="SurfaceLoader" filename="mesh/SofaScene/AVisu.obj" scale3d="0.015 0.015 0.015" translation="-0.25 0.05 0.5" rotation="180 0 0"/>
             <OglModel name="VisualModel" color="0.7 0.7 0.7 1" position="@SurfaceLoader.position" triangles="@SurfaceLoader.triangles" />
             <BarycentricMapping name="MappingVisu" input="@../mstate" output="@VisualModel" isMechanical="false" />
         </Node>
@@ -147,8 +150,8 @@
         <VisualStyle displayFlags="showCollisionModels"/>
         <!-- Surface triangles are defined by hand -->
         <TriangleSetTopologyContainer name="CubeTopo"
-                                      position="0.2 0 -0.5   0.2 0.1 -0.5  0.3 0.1 -0.5   0.3 0 -0.5
-                                                0.2 0 -0.6   0.2 0.1 -0.6  0.3 0.1 -0.6   0.3 0 -0.6"
+                                      position="-0.05 0 0   -0.05 0.1 0  0.05 0.1 0   0.05 0 0
+                                                -0.05 0 -0.1   -0.05 0.1 -0.1  0.05 0.1 -0.1   0.05 0 -0.1"
                                       triangles="0 2 1  0 3 2
                                                  0 1 5  0 5 4
                                                  0 4 7  0 7 3
diff --git a/examples/Demos/fallingSOFA.scn.view b/examples/Demos/fallingSOFA.scn.view
index f88bab14fc3..847c58435ab 100644
--- a/examples/Demos/fallingSOFA.scn.view
+++ b/examples/Demos/fallingSOFA.scn.view
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Camera version="1.0">
     <!--Vector of 3 reals (x, y, z)-->
-    <position value="0.25 -1.1 -0.20"/>
+    <position value="0 -1.1 0.30"/>
     <!--Quaternion (x, y, z, w)-->
     <orientation value="0.707 0 0 0.707"/>
     <!--Real-->

From 282419be5c17036623ff6ee26cc9db684fc17b6c Mon Sep 17 00:00:00 2001
From: hugtalbot <hugo.talbot@sofa-framework.org>
Date: Fri, 22 Aug 2025 08:09:06 +0200
Subject: [PATCH 2/2] remove LineAxis but keep centering

---
 examples/Demos/fallingSOFA.scn | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/examples/Demos/fallingSOFA.scn b/examples/Demos/fallingSOFA.scn
index bbf2cdd2e6f..f90a5642226 100644
--- a/examples/Demos/fallingSOFA.scn
+++ b/examples/Demos/fallingSOFA.scn
@@ -32,9 +32,6 @@
     <!-- Define Mouse left click as a Bilateral Lagrangian constraint -->
     <ConstraintAttachButtonSetting/>
 
-    <!-- Drawing the world coordinate axis -->
-    <LineAxis  infinite="true" vanishing="true" thickness="1"/>
-
     <!-- Header of the simulation -->
     <!-- This animation loop will add steps in the time intyegration to enable Lagrangian-based constraint solving
      For more information see : https://sofa-framework.github.io/doc/components/animationloop/freemotionanimationloop/ -->