diff --git a/scenes/.collect.mapping.json b/scenes/.collect.mapping.json
deleted file mode 100644
index 570a63a8570fad53ac9ccade1ef4c4e160fc18fe..0000000000000000000000000000000000000000
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-            "target_url": "./04SimpleLivingRoom/usd/usd/1-008/textures/color_121212.hdr",
-            "target_hash": "201c65a840f2a23946c089660864b50229199bdd"
-        },
-        {
-            "source_url": "C:/Isaac Sim 4.5/isaac-sim-assets/Materials/2023_2_1/Base/Templates/GlassWithVolume.mdl",
-            "source_hash": "ce8cf7bba322ed34205fad2f2207b6f596c4b50c",
-            "target_url": "./Isaac Sim 4.5/isaac-sim-assets/Materials/2023_2_1/Base/Templates/GlassWithVolume.mdl",
-            "target_hash": "db92088eaeae2e6f49060675103a11f5b0c42e01"
-        },
-        {
-            "source_url": "C:/Isaac Sim 4.5/isaac-sim-assets/Materials/2023_2_1/Base/Templates/GlassUtils.mdl",
-            "source_hash": "c5a15c44704130b11ac1ca9e3706b16bc6849cb9",
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-            "target_hash": "f5282f35558ca454b4713e4e4508e37edbe3799b"
-        }
-    ]
-}
\ No newline at end of file
diff --git a/scenes/.thumbs/256x256/3floor_all.usd.png b/scenes/.thumbs/256x256/3floor_all.usd.png
deleted file mode 100644
index 8d189c555fd7f3bb2f21fb6433ab12c969f0c45c..0000000000000000000000000000000000000000
--- a/scenes/.thumbs/256x256/3floor_all.usd.png
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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diff --git a/scenes/.thumbs/256x256/3floor_all_daylight.usd.png b/scenes/.thumbs/256x256/3floor_all_daylight.usd.png
deleted file mode 100644
index 9664e0e41c77d919944fe271475a30261a4159b0..0000000000000000000000000000000000000000
--- a/scenes/.thumbs/256x256/3floor_all_daylight.usd.png
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-version https://git-lfs.github.com/spec/v1
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-size 82171
diff --git a/scenes/.thumbs/256x256/3floor_all_night.usd.png b/scenes/.thumbs/256x256/3floor_all_night.usd.png
deleted file mode 100644
index 9aca53ef9be928b4c61a00df07f34aa4f96175a6..0000000000000000000000000000000000000000
--- a/scenes/.thumbs/256x256/3floor_all_night.usd.png
+++ /dev/null
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-version https://git-lfs.github.com/spec/v1
-oid sha256:cc9033970219ec5aa1064dcb3379ef204464edbac37d943570ad76f7206e7e80
-size 71682
diff --git a/scenes/children_room/.collect.mapping.json b/scenes/children_room/.collect.mapping.json
deleted file mode 100644
index 5d8225ef04a27b0894211cce3bd6b3f7f59de1b3..0000000000000000000000000000000000000000
--- a/scenes/children_room/.collect.mapping.json
+++ /dev/null
@@ -1,95 +0,0 @@
-{
-    "version": "1.0",
-    "file_records": [
-        {
-            "source_url": "/home/tone-li/Desktop/Open_source_model_assets/all_3floor/0420/Environment_scene_models/Isaac Sim 4.5/isaac-sim-assets/Materials/2023_2_1/Base/Emissives/Light_2600K.mdl",
-            "source_hash": "1ec9da4b2faa12d2495abf1c6db4aeb725175577",
-            "target_url": "./Isaac Sim 4.5/isaac-sim-assets/Materials/2023_2_1/Base/Emissives/Light_2600K.mdl",
-            "target_hash": "d70798d3559b4b32016d101402b9e74d11a6ce88"
-        },
-        {
-            "source_url": "/home/tone-li/Desktop/Open_source_model_assets/all_3floor/0420/Environment_scene_models/Children_room/shelf/resource/img/1c758a0fbfa6190c4d0266f5cae1a5d5.png",
-            "source_hash": "fef2b01cc194f5b6fba1b69da8e692d1316ec979",
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-            "source_url": "/home/tone-li/Desktop/Open_source_model_assets/all_3floor/0420/Environment_scene_models/Children_room/ShoolDesk/resource/img/2d8335fb6f80124b8b827f1e46cce2e0.png",
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-        },
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-        },
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-            "source_hash": "327ef66634ea7c6ccd39c620befb67bdb226723a",
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-            "source_hash": "64774d3442f218e05cee2c469979a764d62c989b",
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-            "target_hash": "70d6fece0d820f6f323f85d5f1498020eef57c5e"
-        },
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-            "source_hash": "191f9abffd5877523851742d53874856c62f3957",
-            "target_url": "./chair/resource/img/cddb70fa553c1926ebc085d5601bb56d.png",
-            "target_hash": "44654fbf91c9a65ea1c2387f23b13af5811fd459"
-        },
-        {
-            "source_url": "/home/tone-li/Desktop/Open_source_model_assets/all_3floor/0420/Environment_scene_models/Children_room/bed01/resource/img/24866dcabc2f6e13de80d104fd6825e9.png",
-            "source_hash": "8d477c5ec7c378d5a02086e7c7f4dece8b53fc0a",
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-            "source_url": "/home/tone-li/Desktop/Open_source_model_assets/all_3floor/0420/Environment_scene_models/Children_room/bookshelf/resource/img/1c758a0fbfa6190c4d0266f5cae1a5d5.png",
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-        },
-        {
-            "source_url": "/home/tone-li/Desktop/Open_source_model_assets/all_3floor/0420/Environment_scene_models/Children_room/wardrobe/resource/img/057e30f7b19e20bb20d3a7ac2f725307.png",
-            "source_hash": "30e2d06712a0124d75534da4a17cb824c8c58aa6",
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-            "target_hash": "69f5a2ba42af89da25d0807f60e26b63689b90df"
-        }
-    ]
-}
\ No newline at end of file
diff --git a/scenes/children_room/06ChildrenRoom/model_06ChildrenRoom.usd b/scenes/children_room/06ChildrenRoom/model_06ChildrenRoom.usd
deleted file mode 100644
index 07598261ac5fbb9d3204797c82ae89085dc17c5b..0000000000000000000000000000000000000000
--- a/scenes/children_room/06ChildrenRoom/model_06ChildrenRoom.usd
+++ /dev/null
@@ -1,3 +0,0 @@
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deleted file mode 100644
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--- a/scenes/children_room/06ChildrenRoom/resource/img/624740c4c8dd40937e50274214767d7e.png
+++ /dev/null
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+++ /dev/null
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-version https://git-lfs.github.com/spec/v1
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diff --git a/scenes/children_room/06ChildrenRoom/resource/material.usd b/scenes/children_room/06ChildrenRoom/resource/material.usd
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diff --git a/scenes/children_room/06ChildrenRoom/resource/v_2144154/link_49504_0.usd b/scenes/children_room/06ChildrenRoom/resource/v_2144154/link_49504_0.usd
deleted file mode 100644
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diff --git a/scenes/children_room/Children_room.usd b/scenes/children_room/Children_room.usd
deleted file mode 100644
index 7f98d69ba6636e8c0892e66aef2d491073b4fda1..0000000000000000000000000000000000000000
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diff --git a/scenes/children_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/emissives/Light_2600K.mdl b/scenes/children_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/emissives/Light_2600K.mdl
deleted file mode 100644
index 5c15282332e9b15d8ab038e370901d94d8077cc0..0000000000000000000000000000000000000000
--- a/scenes/children_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/emissives/Light_2600K.mdl	
+++ /dev/null
@@ -1,42 +0,0 @@
-mdl 1.4;
-
-using ::OmniPBR import OmniPBR;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Light_2600K(*)
- = OmniPBR(
-    diffuse_color_constant: color(1.0, 1.0, 1.0),
-    diffuse_texture: texture_2d(),
-    albedo_desaturation: 0.f,
-    albedo_add: 0.f,
-    albedo_brightness: 1.f,
-    diffuse_tint: color(1.f, 1.f, 1.f),
-    reflection_roughness_constant: 1.0,
-    reflection_roughness_texture_influence: 0.f,
-    reflectionroughness_texture: texture_2d(),
-    metallic_constant: 0.0,
-    metallic_texture_influence: 0.f,
-    metallic_texture: texture_2d(),
-    specular_level: 0.5f,
-    enable_ORM_texture: false,
-    ORM_texture: texture_2d(),
-    ao_to_diffuse: 0.f,
-    ao_texture: texture_2d(),
-    enable_emission: true,
-    emissive_color: color(1.0, 0.647, 0.3098),
-    emissive_mask_texture: texture_2d(),
-    emissive_intensity: 5000.0,
-    bump_factor: 0.f,
-    normalmap_texture: texture_2d(),
-    detail_bump_factor: 0.3f,
-    detail_normalmap_texture: texture_2d(),
-    project_uvw: false,
-    world_or_object: false,
-    uv_space_index: 0,
-    texture_translate: float2(0.f),
-    texture_rotate: 0.f,
-    texture_scale: float2(1.f),
-    detail_texture_translate: float2(0.f),
-    detail_texture_rotate: 0.f,
-    detail_texture_scale: float2(1.f));
diff --git a/scenes/children_room/bed01/model_bed01.usd b/scenes/children_room/bed01/model_bed01.usd
deleted file mode 100644
index 2f48e91e084dec88a05e15ac42ec6ba22708ffe1..0000000000000000000000000000000000000000
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diff --git a/scenes/children_room/bed01/resource/img/24866dcabc2f6e13de80d104fd6825e9.png b/scenes/children_room/bed01/resource/img/24866dcabc2f6e13de80d104fd6825e9.png
deleted file mode 100644
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--- a/scenes/children_room/bed01/resource/img/24866dcabc2f6e13de80d104fd6825e9.png
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d6cb1a467b68df6152016901d96f181932233a1806086356c7177042caaa2eee
-size 7811530
diff --git a/scenes/children_room/bed01/resource/img/2d8335fb6f80124b8b827f1e46cce2e0.png b/scenes/children_room/bed01/resource/img/2d8335fb6f80124b8b827f1e46cce2e0.png
deleted file mode 100644
index 02caf2153922504cfa242c4ab69aaa7c299dabc5..0000000000000000000000000000000000000000
--- a/scenes/children_room/bed01/resource/img/2d8335fb6f80124b8b827f1e46cce2e0.png
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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-size 3361250
diff --git a/scenes/children_room/bed01/resource/img/97f9cbdd4de4a791d99a6caa6a09634a.png b/scenes/children_room/bed01/resource/img/97f9cbdd4de4a791d99a6caa6a09634a.png
deleted file mode 100644
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--- a/scenes/children_room/bed01/resource/img/97f9cbdd4de4a791d99a6caa6a09634a.png
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:09b7574a5828dd9f6cce4f8e937056411a77f167a5bf3c49c4d7ffb2ec69488f
-size 344967
diff --git a/scenes/children_room/bed01/resource/material.usd b/scenes/children_room/bed01/resource/material.usd
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diff --git a/scenes/children_room/bed01/resource/v_69323/link_0_0.usd b/scenes/children_room/bed01/resource/v_69323/link_0_0.usd
deleted file mode 100644
index 3eaafb54524b57b9590c041036cfa0a9442d12c7..0000000000000000000000000000000000000000
--- a/scenes/children_room/bed01/resource/v_69323/link_0_0.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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diff --git a/scenes/children_room/bedsideTable/model_BedsideTable.usd b/scenes/children_room/bedsideTable/model_BedsideTable.usd
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diff --git a/scenes/children_room/bedsideTable/resource/img/2d8335fb6f80124b8b827f1e46cce2e0.png b/scenes/children_room/bedsideTable/resource/img/2d8335fb6f80124b8b827f1e46cce2e0.png
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--- a/scenes/children_room/bedsideTable/resource/img/2d8335fb6f80124b8b827f1e46cce2e0.png
+++ /dev/null
@@ -1,3 +0,0 @@
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-oid sha256:a90e4d6696ea994d8ecbdc704576c6729187805c6d1ab4188bef72e0567a39ea
-size 3361250
diff --git a/scenes/children_room/bedsideTable/resource/material.usd b/scenes/children_room/bedsideTable/resource/material.usd
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-size 109828
diff --git a/scenes/dining_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl b/scenes/dining_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl
deleted file mode 100644
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--- a/scenes/dining_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl	
+++ /dev/null
@@ -1,43 +0,0 @@
-mdl 1.3;
-
-import ::OmniGlass::OmniGlass;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = OmniGlass::OmniGlass(
-    absorption_coeff: color(1.f, 1.f, 1.f),
-    glass_color: color(1.f, 1.f, 1.f),
-    use_glass_color_texture: false,
-    glass_color_texture: texture_2d(),
-    frosting_roughness: 0.f,
-    glass_ior: 1.52f,
-    thin_walled: true,
-    project_uvw: false,
-    world_or_object: false,
-    uv_space_index: 0,
-    texture_translate: float2(0.f),
-    texture_rotate: 0.f,
-    texture_scale: float2(1.f));
-	
-/*	
-mdl 1.5;
-
-import ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume(
-    thin_walled: true,
-    transmission_color: color(1.f, 1.f, 1.f),
-    roughness_texture: texture_2d(),
-    ior: 1.52f,
-    transmission_color_texture: texture_2d(),
-    roughness_texture_influence: 0.f,
-    roughness: 0.f,
-    reflection_color_texture: texture_2d(),
-    reflection_color: color(1.f, 1.f, 1.f),
-    depth: 0.0001f,
-    normal_map_texture: texture_2d());
-*/
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-{
-    "version": "1.0",
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\ No newline at end of file
diff --git a/scenes/kitchen/05kitchen/model_05kitchen.usd b/scenes/kitchen/05kitchen/model_05kitchen.usd
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deleted file mode 100644
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diff --git a/scenes/kitchen/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass_1.mdl b/scenes/kitchen/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass_1.mdl
deleted file mode 100644
index d6c08a66ec3d6465474bf1e93968a42c369059a1..0000000000000000000000000000000000000000
--- a/scenes/kitchen/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass_1.mdl	
+++ /dev/null
@@ -1,43 +0,0 @@
-mdl 1.3;
-
-import ::OmniGlass::OmniGlass;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = OmniGlass::OmniGlass(
-    absorption_coeff: color(1.f, 1.f, 1.f),
-    glass_color: color(1.f, 1.f, 1.f),
-    use_glass_color_texture: false,
-    glass_color_texture: texture_2d(),
-    frosting_roughness: 0.f,
-    glass_ior: 1.52f,
-    thin_walled: true,
-    project_uvw: false,
-    world_or_object: false,
-    uv_space_index: 0,
-    texture_translate: float2(0.f),
-    texture_rotate: 0.f,
-    texture_scale: float2(1.f));
-	
-/*	
-mdl 1.5;
-
-import ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume(
-    thin_walled: true,
-    transmission_color: color(1.f, 1.f, 1.f),
-    roughness_texture: texture_2d(),
-    ior: 1.52f,
-    transmission_color_texture: texture_2d(),
-    roughness_texture_influence: 0.f,
-    roughness: 0.f,
-    reflection_color_texture: texture_2d(),
-    reflection_color: color(1.f, 1.f, 1.f),
-    depth: 0.0001f,
-    normal_map_texture: texture_2d());
-*/
diff --git a/scenes/kitchen/Kitchen.usd b/scenes/kitchen/Kitchen.usd
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diff --git a/scenes/kitchen/bakingChamber/model_bakingChamber.usd b/scenes/kitchen/bakingChamber/model_bakingChamber.usd
deleted file mode 100644
index 7eaab9092b843f512951b50ac90daee06411d70d..0000000000000000000000000000000000000000
--- a/scenes/kitchen/bakingChamber/model_bakingChamber.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:09f83c2c2f8ffaea0d42de83490c3b48a1648f927332a79ac5c226723c391c6f
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diff --git a/scenes/kitchen/bakingChamber/resource/img/419aea259f6f2c988c02fb910563f422.png b/scenes/kitchen/bakingChamber/resource/img/419aea259f6f2c988c02fb910563f422.png
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--- a/scenes/kitchen/bakingChamber/resource/img/419aea259f6f2c988c02fb910563f422.png
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c2d62a2987bb87dacc4695829b4806310a97c9612c17d4fa3f85a982c6a2a8e6
-size 267709
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+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3e32f8d3041a9bd03efab66f41cf06df085538f0dea17d1669ecb6df0452bb77
-size 380018
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deleted file mode 100644
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--- a/scenes/kitchen/bakingChamber/resource/v_69323/link_0_0.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3adb4541036ebb4591fda2bdf5caac08f6c3ab3cfe0501a69efb758bb50e829b
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--- a/scenes/kitchen/chair/resource/v_69323/link_0_0.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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-size 128139
diff --git a/scenes/kitchen/collected_model_juicer/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl b/scenes/kitchen/collected_model_juicer/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl
deleted file mode 100644
index d6c08a66ec3d6465474bf1e93968a42c369059a1..0000000000000000000000000000000000000000
--- a/scenes/kitchen/collected_model_juicer/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl	
+++ /dev/null
@@ -1,43 +0,0 @@
-mdl 1.3;
-
-import ::OmniGlass::OmniGlass;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = OmniGlass::OmniGlass(
-    absorption_coeff: color(1.f, 1.f, 1.f),
-    glass_color: color(1.f, 1.f, 1.f),
-    use_glass_color_texture: false,
-    glass_color_texture: texture_2d(),
-    frosting_roughness: 0.f,
-    glass_ior: 1.52f,
-    thin_walled: true,
-    project_uvw: false,
-    world_or_object: false,
-    uv_space_index: 0,
-    texture_translate: float2(0.f),
-    texture_rotate: 0.f,
-    texture_scale: float2(1.f));
-	
-/*	
-mdl 1.5;
-
-import ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume(
-    thin_walled: true,
-    transmission_color: color(1.f, 1.f, 1.f),
-    roughness_texture: texture_2d(),
-    ior: 1.52f,
-    transmission_color_texture: texture_2d(),
-    roughness_texture_influence: 0.f,
-    roughness: 0.f,
-    reflection_color_texture: texture_2d(),
-    reflection_color: color(1.f, 1.f, 1.f),
-    depth: 0.0001f,
-    normal_map_texture: texture_2d());
-*/
diff --git a/scenes/kitchen/collected_model_juicer/model_juicer.usd b/scenes/kitchen/collected_model_juicer/model_juicer.usd
deleted file mode 100644
index 40af6cfd3feb03de2d3f40fca3fefe4642e03eb6..0000000000000000000000000000000000000000
--- a/scenes/kitchen/collected_model_juicer/model_juicer.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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diff --git a/scenes/kitchen/collected_model_juicer/resource/img/7649ad78322090d1c640ac4e841b01d3.png b/scenes/kitchen/collected_model_juicer/resource/img/7649ad78322090d1c640ac4e841b01d3.png
deleted file mode 100644
index ebfbc0d5e3a15333d69669b14cdf444ed8732861..0000000000000000000000000000000000000000
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+++ /dev/null
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diff --git a/scenes/kitchen/collected_model_juicer/resource/v_69323/link_0_0.usd b/scenes/kitchen/collected_model_juicer/resource/v_69323/link_0_0.usd
deleted file mode 100644
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diff --git a/scenes/kitchen/cupboard/model_cupboard.usd b/scenes/kitchen/cupboard/model_cupboard.usd
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deleted file mode 100644
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-version https://git-lfs.github.com/spec/v1
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diff --git a/scenes/kitchen/cupboard/resource/v_69323/link_0_0.usd b/scenes/kitchen/cupboard/resource/v_69323/link_0_0.usd
deleted file mode 100644
index 8af1b75734bc6518b14eadb926aa513badc8629b..0000000000000000000000000000000000000000
--- a/scenes/kitchen/cupboard/resource/v_69323/link_0_0.usd
+++ /dev/null
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-version https://git-lfs.github.com/spec/v1
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diff --git a/scenes/kitchen/door1/collected_model_door/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl b/scenes/kitchen/door1/collected_model_door/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl
deleted file mode 100644
index d6c08a66ec3d6465474bf1e93968a42c369059a1..0000000000000000000000000000000000000000
--- a/scenes/kitchen/door1/collected_model_door/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl	
+++ /dev/null
@@ -1,43 +0,0 @@
-mdl 1.3;
-
-import ::OmniGlass::OmniGlass;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = OmniGlass::OmniGlass(
-    absorption_coeff: color(1.f, 1.f, 1.f),
-    glass_color: color(1.f, 1.f, 1.f),
-    use_glass_color_texture: false,
-    glass_color_texture: texture_2d(),
-    frosting_roughness: 0.f,
-    glass_ior: 1.52f,
-    thin_walled: true,
-    project_uvw: false,
-    world_or_object: false,
-    uv_space_index: 0,
-    texture_translate: float2(0.f),
-    texture_rotate: 0.f,
-    texture_scale: float2(1.f));
-	
-/*	
-mdl 1.5;
-
-import ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume(
-    thin_walled: true,
-    transmission_color: color(1.f, 1.f, 1.f),
-    roughness_texture: texture_2d(),
-    ior: 1.52f,
-    transmission_color_texture: texture_2d(),
-    roughness_texture_influence: 0.f,
-    roughness: 0.f,
-    reflection_color_texture: texture_2d(),
-    reflection_color: color(1.f, 1.f, 1.f),
-    depth: 0.0001f,
-    normal_map_texture: texture_2d());
-*/
diff --git a/scenes/kitchen/door1/collected_model_door/model_door.usd b/scenes/kitchen/door1/collected_model_door/model_door.usd
deleted file mode 100644
index 58df081c247216196014d69323ee54dd18ae7d62..0000000000000000000000000000000000000000
--- a/scenes/kitchen/door1/collected_model_door/model_door.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:cd175616975efae765a6fec0828aae22254b3e5e47abde00773783a8c0c591fc
-size 1714026
diff --git a/scenes/kitchen/door1/collected_model_door/resource/img/6366c5857f42c6ea10353faca2f3578f.png b/scenes/kitchen/door1/collected_model_door/resource/img/6366c5857f42c6ea10353faca2f3578f.png
deleted file mode 100644
index 13ef1e3706bc9bedd883eb5a5142b2015c7aaf71..0000000000000000000000000000000000000000
--- a/scenes/kitchen/door1/collected_model_door/resource/img/6366c5857f42c6ea10353faca2f3578f.png
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3ed38c0a8ac26c7545098aad179f9e38491060e9ff625c927b8ccf2eeedef0e5
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+++ /dev/null
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-oid sha256:e641c4120fb25f36cd3a59c1acdec806ab48303fc6cc90b7327fc9cc51248ea6
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diff --git a/scenes/kitchen/door1/collected_model_door/resource/material.usd b/scenes/kitchen/door1/collected_model_door/resource/material.usd
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diff --git a/scenes/kitchen/door1/collected_model_door/resource/v_0/link_default_0.usd b/scenes/kitchen/door1/collected_model_door/resource/v_0/link_default_0.usd
deleted file mode 100644
index 4292c131a7e5a744b5e5e7d0dedcffbd55a9c1ac..0000000000000000000000000000000000000000
--- a/scenes/kitchen/door1/collected_model_door/resource/v_0/link_default_0.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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diff --git a/scenes/kitchen/extractor/extractor.usd b/scenes/kitchen/extractor/extractor.usd
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diff --git a/scenes/kitchen/extractor/resource/material.usd b/scenes/kitchen/extractor/resource/material.usd
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diff --git a/scenes/kitchen/extractor/resource/v_69323/link_0_0.usd b/scenes/kitchen/extractor/resource/v_69323/link_0_0.usd
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diff --git a/scenes/kitchen/fridge/collected_model_fridge/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/emissives/Light_2900K.mdl b/scenes/kitchen/fridge/collected_model_fridge/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/emissives/Light_2900K.mdl
deleted file mode 100644
index 3fa628b006209c46e53ffd4ed41fc4518bd2b2e9..0000000000000000000000000000000000000000
--- a/scenes/kitchen/fridge/collected_model_fridge/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/emissives/Light_2900K.mdl	
+++ /dev/null
@@ -1,42 +0,0 @@
-mdl 1.4;
-
-using ::OmniPBR import OmniPBR;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Light_2900K(*)
- = OmniPBR(
-    diffuse_color_constant: color(1.0, 1.0, 1.0),
-    diffuse_texture: texture_2d(),
-    albedo_desaturation: 0.f,
-    albedo_add: 0.f,
-    albedo_brightness: 1.f,
-    diffuse_tint: color(1.f, 1.f, 1.f),
-    reflection_roughness_constant: 1.0,
-    reflection_roughness_texture_influence: 0.f,
-    reflectionroughness_texture: texture_2d(),
-    metallic_constant: 0.0,
-    metallic_texture_influence: 0.f,
-    metallic_texture: texture_2d(),
-    specular_level: 0.5f,
-    enable_ORM_texture: false,
-    ORM_texture: texture_2d(),
-    ao_to_diffuse: 0.f,
-    ao_texture: texture_2d(),
-    enable_emission: true,
-    emissive_color: color(1.0, 0.69412, 0.39608),
-    emissive_mask_texture: texture_2d(),
-    emissive_intensity: 5000.0,
-    bump_factor: 0.f,
-    normalmap_texture: texture_2d(),
-    detail_bump_factor: 0.3f,
-    detail_normalmap_texture: texture_2d(),
-    project_uvw: false,
-    world_or_object: false,
-    uv_space_index: 0,
-    texture_translate: float2(0.f),
-    texture_rotate: 0.f,
-    texture_scale: float2(1.f),
-    detail_texture_translate: float2(0.f),
-    detail_texture_rotate: 0.f,
-    detail_texture_scale: float2(1.f));
diff --git a/scenes/kitchen/fridge/collected_model_fridge/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl b/scenes/kitchen/fridge/collected_model_fridge/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl
deleted file mode 100644
index d6c08a66ec3d6465474bf1e93968a42c369059a1..0000000000000000000000000000000000000000
--- a/scenes/kitchen/fridge/collected_model_fridge/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl	
+++ /dev/null
@@ -1,43 +0,0 @@
-mdl 1.3;
-
-import ::OmniGlass::OmniGlass;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = OmniGlass::OmniGlass(
-    absorption_coeff: color(1.f, 1.f, 1.f),
-    glass_color: color(1.f, 1.f, 1.f),
-    use_glass_color_texture: false,
-    glass_color_texture: texture_2d(),
-    frosting_roughness: 0.f,
-    glass_ior: 1.52f,
-    thin_walled: true,
-    project_uvw: false,
-    world_or_object: false,
-    uv_space_index: 0,
-    texture_translate: float2(0.f),
-    texture_rotate: 0.f,
-    texture_scale: float2(1.f));
-	
-/*	
-mdl 1.5;
-
-import ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume(
-    thin_walled: true,
-    transmission_color: color(1.f, 1.f, 1.f),
-    roughness_texture: texture_2d(),
-    ior: 1.52f,
-    transmission_color_texture: texture_2d(),
-    roughness_texture_influence: 0.f,
-    roughness: 0.f,
-    reflection_color_texture: texture_2d(),
-    reflection_color: color(1.f, 1.f, 1.f),
-    depth: 0.0001f,
-    normal_map_texture: texture_2d());
-*/
diff --git a/scenes/kitchen/fridge/collected_model_fridge/model_fridge.usd b/scenes/kitchen/fridge/collected_model_fridge/model_fridge.usd
deleted file mode 100644
index 1d1fa450c5e61c0e5ee9e72068e0d5cd8e20a2eb..0000000000000000000000000000000000000000
--- a/scenes/kitchen/fridge/collected_model_fridge/model_fridge.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:dba2a05de9699831fd31943c2dbdddddee5eaee6b02f5fb8c51be6b722db1753
-size 5716721
diff --git a/scenes/kitchen/fridge/collected_model_fridge/resource/img/77bb7e13f95488b9bba205f61774cfac.png b/scenes/kitchen/fridge/collected_model_fridge/resource/img/77bb7e13f95488b9bba205f61774cfac.png
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diff --git a/scenes/kitchen/fridge/collected_model_fridge/resource/v_69323/link_0_0.usd b/scenes/kitchen/fridge/collected_model_fridge/resource/v_69323/link_0_0.usd
deleted file mode 100644
index a784e33b975309a968cf9d92dac2e4caa656f11c..0000000000000000000000000000000000000000
--- a/scenes/kitchen/fridge/collected_model_fridge/resource/v_69323/link_0_0.usd
+++ /dev/null
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-version https://git-lfs.github.com/spec/v1
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diff --git a/scenes/kitchen/largeCabinet/model_LargeCabinet.usd b/scenes/kitchen/largeCabinet/model_LargeCabinet.usd
deleted file mode 100644
index 06b56b76265dbd4d60dbdbfcb9b602474e6c4238..0000000000000000000000000000000000000000
--- a/scenes/kitchen/largeCabinet/model_LargeCabinet.usd
+++ /dev/null
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-version https://git-lfs.github.com/spec/v1
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-size 6536133
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deleted file mode 100644
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--- a/scenes/kitchen/largeCabinet/resource/img/70b3ba18e7792def494f4242d23483f0.png
+++ /dev/null
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diff --git a/scenes/kitchen/largeCabinet/resource/img/db1f9caa281cd3369080818d337d7bde.png b/scenes/kitchen/largeCabinet/resource/img/db1f9caa281cd3369080818d337d7bde.png
deleted file mode 100644
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deleted file mode 100644
index f673626ce126ef1f98bdd748a18e57183a21d822..0000000000000000000000000000000000000000
--- a/scenes/kitchen/largeCabinet/resource/v_69323/link_0_0.usd
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diff --git a/scenes/kitchen/riceCooker/collected_model_riceCooker/c/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl b/scenes/kitchen/riceCooker/collected_model_riceCooker/c/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl
deleted file mode 100644
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--- a/scenes/kitchen/riceCooker/collected_model_riceCooker/c/isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl	
+++ /dev/null
@@ -1,43 +0,0 @@
-mdl 1.3;
-
-import ::OmniGlass::OmniGlass;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = OmniGlass::OmniGlass(
-    absorption_coeff: color(1.f, 1.f, 1.f),
-    glass_color: color(1.f, 1.f, 1.f),
-    use_glass_color_texture: false,
-    glass_color_texture: texture_2d(),
-    frosting_roughness: 0.f,
-    glass_ior: 1.52f,
-    thin_walled: true,
-    project_uvw: false,
-    world_or_object: false,
-    uv_space_index: 0,
-    texture_translate: float2(0.f),
-    texture_rotate: 0.f,
-    texture_scale: float2(1.f));
-	
-/*	
-mdl 1.5;
-
-import ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume(
-    thin_walled: true,
-    transmission_color: color(1.f, 1.f, 1.f),
-    roughness_texture: texture_2d(),
-    ior: 1.52f,
-    transmission_color_texture: texture_2d(),
-    roughness_texture_influence: 0.f,
-    roughness: 0.f,
-    reflection_color_texture: texture_2d(),
-    reflection_color: color(1.f, 1.f, 1.f),
-    depth: 0.0001f,
-    normal_map_texture: texture_2d());
-*/
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deleted file mode 100644
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--- a/scenes/kitchen_with_parlor/.collect.mapping.json
+++ /dev/null
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-{
-    "version": "1.0",
-    "file_records": [
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index a52621296659ba01138abcf4b7e1eb85ad6f03db..0000000000000000000000000000000000000000
--- a/scenes/kitchen_with_parlor/5-8oven/resource/v_69323/link_0_0.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c155db138656c467a3a89242f7ad1bae0bf8c8ff82c948e577ac9176ad13821c
-size 7495883
diff --git a/scenes/kitchen_with_parlor/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl b/scenes/kitchen_with_parlor/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl
deleted file mode 100644
index d6c08a66ec3d6465474bf1e93968a42c369059a1..0000000000000000000000000000000000000000
--- a/scenes/kitchen_with_parlor/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl	
+++ /dev/null
@@ -1,43 +0,0 @@
-mdl 1.3;
-
-import ::OmniGlass::OmniGlass;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = OmniGlass::OmniGlass(
-    absorption_coeff: color(1.f, 1.f, 1.f),
-    glass_color: color(1.f, 1.f, 1.f),
-    use_glass_color_texture: false,
-    glass_color_texture: texture_2d(),
-    frosting_roughness: 0.f,
-    glass_ior: 1.52f,
-    thin_walled: true,
-    project_uvw: false,
-    world_or_object: false,
-    uv_space_index: 0,
-    texture_translate: float2(0.f),
-    texture_rotate: 0.f,
-    texture_scale: float2(1.f));
-	
-/*	
-mdl 1.5;
-
-import ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume(
-    thin_walled: true,
-    transmission_color: color(1.f, 1.f, 1.f),
-    roughness_texture: texture_2d(),
-    ior: 1.52f,
-    transmission_color_texture: texture_2d(),
-    roughness_texture_influence: 0.f,
-    roughness: 0.f,
-    reflection_color_texture: texture_2d(),
-    reflection_color: color(1.f, 1.f, 1.f),
-    depth: 0.0001f,
-    normal_map_texture: texture_2d());
-*/
diff --git a/scenes/kitchen_with_parlor/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Tinted_Glass_R02.mdl b/scenes/kitchen_with_parlor/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Tinted_Glass_R02.mdl
deleted file mode 100644
index 4f3e700a04e9e80b4889847f1371a960cd4ac378..0000000000000000000000000000000000000000
--- a/scenes/kitchen_with_parlor/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Tinted_Glass_R02.mdl	
+++ /dev/null
@@ -1,19 +0,0 @@
-mdl 1.5;
-
-using ..::Templates::GlassWithVolume import GlassWithVolume;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Tinted_Glass_R02(*)
- = GlassWithVolume(
-    thin_walled: true,
-    transmission_color: color(0.02f, 0.02f, 0.02f),
-    roughness_texture: texture_2d(),
-    ior: 1.52f,
-    transmission_color_texture: texture_2d(),
-    roughness_texture_influence: 0.f,
-    roughness: 0.f,
-    reflection_color_texture: texture_2d(),
-    reflection_color: color(1.f, 1.f, 1.f),
-    depth: 0.0001f,
-    normal_map_texture: texture_2d());
diff --git a/scenes/kitchen_with_parlor/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/templates/GlassUtils.mdl b/scenes/kitchen_with_parlor/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/templates/GlassUtils.mdl
deleted file mode 100644
index e2f50be111015ab1574b46699988f75e0619d1e4..0000000000000000000000000000000000000000
--- a/scenes/kitchen_with_parlor/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/templates/GlassUtils.mdl	
+++ /dev/null
@@ -1,83 +0,0 @@
-mdl 1.5;
-
-import ::tex::*;
-import ::math::*;
-import ::anno::*;
-import ::base::*;
-import ::state::*;
-
-export float get_float( uniform texture_2d t, float f ){
-	return ::tex::texture_isvalid(t) 
-	? 
-	::base::file_texture(t, 
-		color(0.f, 0.f, 0.f), 
-		color(1.f, 1.f, 1.f), 
-		::base::mono_maximum, 
-		::base::texture_coordinate_info(::state::texture_coordinate(0), ::state::texture_tangent_u(0), ::state::texture_tangent_v(0)), 
-		float2(0.f, 1.f), 
-		float2(0.f, 1.f), 
-		::tex::wrap_repeat, 
-		::tex::wrap_repeat, 
-		false).mono 
-	: 
-	f;
-}
-
-export color get_color( uniform texture_2d t, color c ){
-	return ::tex::texture_isvalid(t) 
-	? 
-	::base::file_texture(t, 
-		color(0.f, 0.f, 0.f), 
-		color(1.f, 1.f, 1.f), 
-		::base::mono_alpha, 
-		::base::texture_coordinate_info(::state::texture_coordinate(0), ::state::texture_tangent_u(0), ::state::texture_tangent_v(0)), 
-		float2(0.f, 1.f), 
-		float2(0.f, 1.f), 
-		::tex::wrap_repeat, 
-		::tex::wrap_repeat, 
-		false).tint 
-	: 
-	c;
-}
-
-export float apply_roughness_influence( uniform texture_2d t, float f, float i ){
-	return	::math::lerp(f, get_float(t, f), i);
-}
-
-export color get_volume_absorption(
-
-     float absorption = float(0) [[
-        anno::display_name("Volume Absorption"),
-        anno::description("Controls how much light is absorbed through the surface"),
-        anno::hard_range(0.0,1000.0),
-        anno::soft_range(0.0,1.0)
-    ]],
-
-     color absorptionColor = color(1) [[
-        anno::display_name("Absorption Color"),
-        anno::description("Simulates shifts in color when light passes through the surface")
-    ]]
-
-) [[
-    anno::display_name("Absorption"),
-    anno::description("Provides an absorption coefficient for the volume")
-]] {
-    return (absorption>0)? -math::log(math::clamp(absorptionColor, color(0.01), color(0.99)))*absorption*100.0 : color(0);
-}
-
-export color volume_scattering(
-
-     float scattering = float(0) [[
-        anno::display_name("Volume Scattering"),
-        anno::description("Controls how much light is scattered through the surface"),
-        anno::hard_range(0.0,1000.0),
-        anno::soft_range(0.0,1.0)
-        
-    ]]
-
-) [[
-    anno::display_name("Scattering"),
-    anno::description("Provides a scattering coefficient for the volume")
-]] {
-    return (scattering>0)? -math::log(color(0.5))*scattering*100.0 : color(0);
-}
\ No newline at end of file
diff --git a/scenes/kitchen_with_parlor/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/templates/GlassWithVolume.mdl b/scenes/kitchen_with_parlor/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/templates/GlassWithVolume.mdl
deleted file mode 100644
index 5505110726ed96f27b86ad1ceae653c5c9d9e538..0000000000000000000000000000000000000000
--- a/scenes/kitchen_with_parlor/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/templates/GlassWithVolume.mdl	
+++ /dev/null
@@ -1,106 +0,0 @@
-mdl 1.5;
-
-import ::tex::*;
-
-import GlassUtils::apply_roughness_influence;
-import GlassUtils::get_color;
-import GlassUtils::get_volume_absorption;
-import ::anno::author;
-import ::anno::copyright_notice;
-import ::anno::description;
-import ::anno::display_name;
-import ::anno::hard_range;
-import ::anno::in_group;
-import ::anno::key_words;
-import ::anno::soft_range;
-import ::anno::unused;
-import ::anno::usage;
-import ::base::tangent_space_normal_texture;
-import ::base::texture_coordinate_info;
-import ::df::fresnel_layer;
-import ::df::microfacet_ggx_smith_bsdf;
-import ::df::scatter_mode;
-import ::state::normal;
-import ::state::texture_coordinate;
-import ::state::texture_tangent_u;
-import ::state::texture_tangent_v;
-import ::tex::gamma_mode;
-import ::tex::wrap_mode;
-
-export material GlassWithVolume(
-    uniform bool thin_walled = false [[
-        ::anno::in_group("Material", "", "")
-    ]],
-    uniform color transmission_color = color(1.f, 0.00609700009f, 0.00609700009f) [[
-        ::anno::in_group("Transmission", "", ""),
-        ::anno::usage("")
-    ]],
-    uniform texture_2d roughness_texture = texture_2d() [[
-        ::anno::description("The input texture"),
-        ::anno::in_group("Roughness", "", ""),
-        ::anno::usage("")
-    ]],
-    uniform float ior = 1.34100008f [[
-        ::anno::in_group("Material", "", ""),
-        ::anno::usage("")
-    ]],
-    uniform texture_2d transmission_color_texture = texture_2d() [[
-        ::anno::description("The input texture"),
-        ::anno::in_group("Transmission", "", "")
-    ]],
-    float roughness_texture_influence = 1.f [[
-        ::anno::in_group("Roughness", "", ""),
-        ::anno::usage("")
-    ]],
-    float roughness = 0.f [[
-        ::anno::in_group("Roughness", "", ""),
-        ::anno::usage("")
-    ]],
-    uniform texture_2d reflection_color_texture = texture_2d() [[
-        ::anno::description("The input texture"),
-        ::anno::in_group("Reflection", "", ""),
-        ::anno::usage("")
-    ]],
-    uniform color reflection_color = color(1.f, 1.f, 1.f) [[
-        ::anno::in_group("Reflection", "", ""),
-        ::anno::usage("")
-    ]],
-    float depth = 0.00100000005f [[
-        ::anno::description("Controls how much light is absorbed through the surface"),
-        ::anno::display_name("Volume Absorption"),
-        ::anno::in_group("Volume", "", ""),
-        ::anno::usage(""),
-        ::anno::soft_range(0.f, 1.f),
-        ::anno::hard_range(0.f, 1000.f)
-    ]],
-    uniform texture_2d normal_map_texture = texture_2d() [[
-        ::anno::description("The input texture"),
-        ::anno::in_group("Normal Map", "", ""),
-        ::anno::usage("")
-    ]])
- = 
-    let {
-        bool tmp0 = thin_walled;
-        material_surface tmp1(
-            ::df::fresnel_layer(ior, 1.f, ::df::microfacet_ggx_smith_bsdf(GlassUtils::apply_roughness_influence(roughness_texture, roughness, roughness_texture_influence), GlassUtils::apply_roughness_influence(roughness_texture, roughness, roughness_texture_influence), GlassUtils::get_color(reflection_color_texture, reflection_color), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::microfacet_ggx_smith_bsdf(GlassUtils::apply_roughness_influence(roughness_texture, roughness, roughness_texture_influence), GlassUtils::apply_roughness_influence(roughness_texture, roughness, roughness_texture_influence), thin_walled ? GlassUtils::get_color(transmission_color_texture, transmission_color) : color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_transmit, ""), ::state::normal()),
-            material_emission(emission: edf(), intensity: color(0.f, 0.f, 0.f), mode: intensity_radiant_exitance));
-        material_surface tmp2 = material_surface(scattering: bsdf(), emission: material_emission(emission: edf(), intensity: color(0.f, 0.f, 0.f), mode: intensity_radiant_exitance));
-        color tmp3 = ior;
-        material_volume tmp4(
-            vdf(),
-            thin_walled ? GlassUtils::get_color(transmission_color_texture, transmission_color) : GlassUtils::get_volume_absorption(depth, GlassUtils::get_color(transmission_color_texture, transmission_color)),
-            color(0.f, 0.f, 0.f));
-        material_geometry tmp5(
-            float3(0.f),
-            1.f,
-            ::base::tangent_space_normal_texture(normal_map_texture, 1.f, false, false, ::base::texture_coordinate_info(::state::texture_coordinate(0), ::state::texture_tangent_u(0), ::state::texture_tangent_v(0)), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false, 1.f, 0.f));
-        hair_bsdf tmp6 = hair_bsdf();
-    } in
-        material(
-            thin_walled: tmp0,
-            surface: tmp1,
-            backface: tmp2,
-            ior: tmp3,
-            volume: tmp4,
-            geometry: tmp5,
-            hair: tmp6);
diff --git a/scenes/kitchen_with_parlor/Kitchen_with_parlor.usd b/scenes/kitchen_with_parlor/Kitchen_with_parlor.usd
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diff --git a/scenes/kitchen_with_parlor/default/model_default.usd b/scenes/kitchen_with_parlor/default/model_default.usd
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Binary files a/scenes/kitchen_with_parlor/default/model_default.usd and /dev/null differ
diff --git a/scenes/kitchen_with_parlor/default/resource/img/b5438c25905693520be7b48998be40a7.png b/scenes/kitchen_with_parlor/default/resource/img/b5438c25905693520be7b48998be40a7.png
deleted file mode 100644
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--- a/scenes/kitchen_with_parlor/default/resource/img/b5438c25905693520be7b48998be40a7.png
+++ /dev/null
@@ -1,3 +0,0 @@
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diff --git a/scenes/kitchen_with_parlor/default/resource/material.usd b/scenes/kitchen_with_parlor/default/resource/material.usd
deleted file mode 100644
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diff --git a/scenes/kitchen_with_parlor/default/resource/v_69323/link_0_0.usd b/scenes/kitchen_with_parlor/default/resource/v_69323/link_0_0.usd
deleted file mode 100644
index 832f37f1fa515640c896e8702ab5c298945c743c..0000000000000000000000000000000000000000
--- a/scenes/kitchen_with_parlor/default/resource/v_69323/link_0_0.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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deleted file mode 100644
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--- a/scenes/kitchen_with_parlor/drying racks01/resource/v_69323/link_0_0.usd	
+++ /dev/null
@@ -1,3 +0,0 @@
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diff --git a/scenes/kitchen_with_parlor/washingMachine/model_WashingMachine.usd b/scenes/kitchen_with_parlor/washingMachine/model_WashingMachine.usd
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deleted file mode 100644
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--- a/scenes/kitchen_with_parlor/washingMachine/resource/img/3d2d8a1c8fae283acdac197381b58d37.png
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deleted file mode 100644
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deleted file mode 100644
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--- a/scenes/kitchen_with_parlor/washingMachine/resource/v_69323/link_0_0.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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diff --git a/scenes/large_living_room/.collect.mapping.json b/scenes/large_living_room/.collect.mapping.json
deleted file mode 100644
index 68e0ffced616584660774f45aa00eb35ca05eb41..0000000000000000000000000000000000000000
--- a/scenes/large_living_room/.collect.mapping.json
+++ /dev/null
@@ -1,143 +0,0 @@
-{
-    "version": "1.0",
-    "file_records": [
-        {
-            "source_url": "/home/tone-li/Desktop/Open_source_model_assets/all_3floor/0420/Collected_3floor_all_daylight/Users/jujux/AppData/Local/Temp/f6d1688fed8e4e15/textures/T_02_ZS_BX_04_01.png",
-            "source_hash": "755e3624cf33a8e8f5b6f3a4a49962c22a130b7b",
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-            "target_hash": "e1e1b18297683cac067a5228c9b7dce82a7950a0"
-        },
-        {
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-            "source_hash": "5ad13ecb6521e9f749934a2bed417599a6baae1a",
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-            "target_hash": "a93b5e3b9e96d2fb0cc7537046cfffd50c069e9e"
-        },
-        {
-            "source_url": "/home/tone-li/Desktop/Open_source_model_assets/all_3floor/0420/Collected_3floor_all_daylight/Users/jujux/AppData/Local/Temp/f6d1688fed8e4e15/textures/T_02_ZS_BX_04_03.jpg",
-            "source_hash": "70c9f78bd7f9a2b986478678088d1e8ce1c4f8b6",
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-            "target_hash": "1e08a67cfd1c75043f416245d2fb694daddd743a"
-        },
-        {
-            "source_url": "/home/tone-li/Desktop/Open_source_model_assets/all_3floor/0420/Collected_3floor_all_daylight/Users/jujux/AppData/Local/Temp/f6d1688fed8e4e15/textures/T_02_ZS_BX_05_04.jpg",
-            "source_hash": "6fdb364e6da991e71bb4dfe7b5becc79de0902bc",
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-            "target_hash": "d262f6f8f59c7c1e2f6d43f9bb8d536db1fe6035"
-        },
-        {
-            "source_url": "/home/tone-li/Desktop/Open_source_model_assets/all_3floor/0420/Collected_3floor_all_daylight/Users/jujux/AppData/Local/Temp/f6d1688fed8e4e15/textures/T_02_ZS_BX_05_05.jpg",
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-            "source_hash": "4d02117a35eb73a3b980869cd09186fae59a3120",
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-            "target_hash": "5dfb9a94be651c5a7c157c980745bf066c38df0a"
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-            "source_hash": "b05c6180db63ef5ba9b2c243d2a1186a61a1dc54",
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-}
\ No newline at end of file
diff --git a/scenes/large_living_room/02ChineseStyleLivingRoom-1/model_02ChineseStyleLivingRoom.usd b/scenes/large_living_room/02ChineseStyleLivingRoom-1/model_02ChineseStyleLivingRoom.usd
deleted file mode 100644
index d8f739cfd1018e9c679b2e1e03363de00934bf6c..0000000000000000000000000000000000000000
--- a/scenes/large_living_room/02ChineseStyleLivingRoom-1/model_02ChineseStyleLivingRoom.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4ca148422df28487666a992105622884565928a0d08e01428a58538e406e9741
-size 226328
diff --git a/scenes/large_living_room/02ChineseStyleLivingRoom-1/resource/img/3bb23ac398fd6ee91727e94752ad0269.png b/scenes/large_living_room/02ChineseStyleLivingRoom-1/resource/img/3bb23ac398fd6ee91727e94752ad0269.png
deleted file mode 100644
index 647416009304ab54ecdb17ea4d50ca8828091d37..0000000000000000000000000000000000000000
--- a/scenes/large_living_room/02ChineseStyleLivingRoom-1/resource/img/3bb23ac398fd6ee91727e94752ad0269.png
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:bdd9d0579168db27ffecbcf069e63db3f8f4f758da28b0015803cf890671a945
-size 138026
diff --git a/scenes/large_living_room/02ChineseStyleLivingRoom-1/resource/img/624740c4c8dd40937e50274214767d7e.png b/scenes/large_living_room/02ChineseStyleLivingRoom-1/resource/img/624740c4c8dd40937e50274214767d7e.png
deleted file mode 100644
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--- a/scenes/large_living_room/02ChineseStyleLivingRoom-1/resource/img/624740c4c8dd40937e50274214767d7e.png
+++ /dev/null
@@ -1,3 +0,0 @@
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diff --git a/scenes/large_living_room/04TV/resource/material.usd b/scenes/large_living_room/04TV/resource/material.usd
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deleted file mode 100644
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diff --git a/scenes/large_living_room/2-5sofa/sofa.usd b/scenes/large_living_room/2-5sofa/sofa.usd
deleted file mode 100644
index 41573a69053ac820d2d9278291c3c1254d76f41b..0000000000000000000000000000000000000000
--- a/scenes/large_living_room/2-5sofa/sofa.usd
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
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diff --git a/scenes/large_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl b/scenes/large_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl
deleted file mode 100644
index d6c08a66ec3d6465474bf1e93968a42c369059a1..0000000000000000000000000000000000000000
--- a/scenes/large_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl	
+++ /dev/null
@@ -1,43 +0,0 @@
-mdl 1.3;
-
-import ::OmniGlass::OmniGlass;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = OmniGlass::OmniGlass(
-    absorption_coeff: color(1.f, 1.f, 1.f),
-    glass_color: color(1.f, 1.f, 1.f),
-    use_glass_color_texture: false,
-    glass_color_texture: texture_2d(),
-    frosting_roughness: 0.f,
-    glass_ior: 1.52f,
-    thin_walled: true,
-    project_uvw: false,
-    world_or_object: false,
-    uv_space_index: 0,
-    texture_translate: float2(0.f),
-    texture_rotate: 0.f,
-    texture_scale: float2(1.f));
-	
-/*	
-mdl 1.5;
-
-import ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume(
-    thin_walled: true,
-    transmission_color: color(1.f, 1.f, 1.f),
-    roughness_texture: texture_2d(),
-    ior: 1.52f,
-    transmission_color_texture: texture_2d(),
-    roughness_texture_influence: 0.f,
-    roughness: 0.f,
-    reflection_color_texture: texture_2d(),
-    reflection_color: color(1.f, 1.f, 1.f),
-    depth: 0.0001f,
-    normal_map_texture: texture_2d());
-*/
diff --git a/scenes/large_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Tinted_Glass_R02.mdl b/scenes/large_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Tinted_Glass_R02.mdl
deleted file mode 100644
index 4f3e700a04e9e80b4889847f1371a960cd4ac378..0000000000000000000000000000000000000000
--- a/scenes/large_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Tinted_Glass_R02.mdl	
+++ /dev/null
@@ -1,19 +0,0 @@
-mdl 1.5;
-
-using ..::Templates::GlassWithVolume import GlassWithVolume;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Tinted_Glass_R02(*)
- = GlassWithVolume(
-    thin_walled: true,
-    transmission_color: color(0.02f, 0.02f, 0.02f),
-    roughness_texture: texture_2d(),
-    ior: 1.52f,
-    transmission_color_texture: texture_2d(),
-    roughness_texture_influence: 0.f,
-    roughness: 0.f,
-    reflection_color_texture: texture_2d(),
-    reflection_color: color(1.f, 1.f, 1.f),
-    depth: 0.0001f,
-    normal_map_texture: texture_2d());
diff --git a/scenes/large_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/templates/GlassUtils.mdl b/scenes/large_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/templates/GlassUtils.mdl
deleted file mode 100644
index e2f50be111015ab1574b46699988f75e0619d1e4..0000000000000000000000000000000000000000
--- a/scenes/large_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/templates/GlassUtils.mdl	
+++ /dev/null
@@ -1,83 +0,0 @@
-mdl 1.5;
-
-import ::tex::*;
-import ::math::*;
-import ::anno::*;
-import ::base::*;
-import ::state::*;
-
-export float get_float( uniform texture_2d t, float f ){
-	return ::tex::texture_isvalid(t) 
-	? 
-	::base::file_texture(t, 
-		color(0.f, 0.f, 0.f), 
-		color(1.f, 1.f, 1.f), 
-		::base::mono_maximum, 
-		::base::texture_coordinate_info(::state::texture_coordinate(0), ::state::texture_tangent_u(0), ::state::texture_tangent_v(0)), 
-		float2(0.f, 1.f), 
-		float2(0.f, 1.f), 
-		::tex::wrap_repeat, 
-		::tex::wrap_repeat, 
-		false).mono 
-	: 
-	f;
-}
-
-export color get_color( uniform texture_2d t, color c ){
-	return ::tex::texture_isvalid(t) 
-	? 
-	::base::file_texture(t, 
-		color(0.f, 0.f, 0.f), 
-		color(1.f, 1.f, 1.f), 
-		::base::mono_alpha, 
-		::base::texture_coordinate_info(::state::texture_coordinate(0), ::state::texture_tangent_u(0), ::state::texture_tangent_v(0)), 
-		float2(0.f, 1.f), 
-		float2(0.f, 1.f), 
-		::tex::wrap_repeat, 
-		::tex::wrap_repeat, 
-		false).tint 
-	: 
-	c;
-}
-
-export float apply_roughness_influence( uniform texture_2d t, float f, float i ){
-	return	::math::lerp(f, get_float(t, f), i);
-}
-
-export color get_volume_absorption(
-
-     float absorption = float(0) [[
-        anno::display_name("Volume Absorption"),
-        anno::description("Controls how much light is absorbed through the surface"),
-        anno::hard_range(0.0,1000.0),
-        anno::soft_range(0.0,1.0)
-    ]],
-
-     color absorptionColor = color(1) [[
-        anno::display_name("Absorption Color"),
-        anno::description("Simulates shifts in color when light passes through the surface")
-    ]]
-
-) [[
-    anno::display_name("Absorption"),
-    anno::description("Provides an absorption coefficient for the volume")
-]] {
-    return (absorption>0)? -math::log(math::clamp(absorptionColor, color(0.01), color(0.99)))*absorption*100.0 : color(0);
-}
-
-export color volume_scattering(
-
-     float scattering = float(0) [[
-        anno::display_name("Volume Scattering"),
-        anno::description("Controls how much light is scattered through the surface"),
-        anno::hard_range(0.0,1000.0),
-        anno::soft_range(0.0,1.0)
-        
-    ]]
-
-) [[
-    anno::display_name("Scattering"),
-    anno::description("Provides a scattering coefficient for the volume")
-]] {
-    return (scattering>0)? -math::log(color(0.5))*scattering*100.0 : color(0);
-}
\ No newline at end of file
diff --git a/scenes/large_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/templates/GlassWithVolume.mdl b/scenes/large_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/templates/GlassWithVolume.mdl
deleted file mode 100644
index 5505110726ed96f27b86ad1ceae653c5c9d9e538..0000000000000000000000000000000000000000
--- a/scenes/large_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/templates/GlassWithVolume.mdl	
+++ /dev/null
@@ -1,106 +0,0 @@
-mdl 1.5;
-
-import ::tex::*;
-
-import GlassUtils::apply_roughness_influence;
-import GlassUtils::get_color;
-import GlassUtils::get_volume_absorption;
-import ::anno::author;
-import ::anno::copyright_notice;
-import ::anno::description;
-import ::anno::display_name;
-import ::anno::hard_range;
-import ::anno::in_group;
-import ::anno::key_words;
-import ::anno::soft_range;
-import ::anno::unused;
-import ::anno::usage;
-import ::base::tangent_space_normal_texture;
-import ::base::texture_coordinate_info;
-import ::df::fresnel_layer;
-import ::df::microfacet_ggx_smith_bsdf;
-import ::df::scatter_mode;
-import ::state::normal;
-import ::state::texture_coordinate;
-import ::state::texture_tangent_u;
-import ::state::texture_tangent_v;
-import ::tex::gamma_mode;
-import ::tex::wrap_mode;
-
-export material GlassWithVolume(
-    uniform bool thin_walled = false [[
-        ::anno::in_group("Material", "", "")
-    ]],
-    uniform color transmission_color = color(1.f, 0.00609700009f, 0.00609700009f) [[
-        ::anno::in_group("Transmission", "", ""),
-        ::anno::usage("")
-    ]],
-    uniform texture_2d roughness_texture = texture_2d() [[
-        ::anno::description("The input texture"),
-        ::anno::in_group("Roughness", "", ""),
-        ::anno::usage("")
-    ]],
-    uniform float ior = 1.34100008f [[
-        ::anno::in_group("Material", "", ""),
-        ::anno::usage("")
-    ]],
-    uniform texture_2d transmission_color_texture = texture_2d() [[
-        ::anno::description("The input texture"),
-        ::anno::in_group("Transmission", "", "")
-    ]],
-    float roughness_texture_influence = 1.f [[
-        ::anno::in_group("Roughness", "", ""),
-        ::anno::usage("")
-    ]],
-    float roughness = 0.f [[
-        ::anno::in_group("Roughness", "", ""),
-        ::anno::usage("")
-    ]],
-    uniform texture_2d reflection_color_texture = texture_2d() [[
-        ::anno::description("The input texture"),
-        ::anno::in_group("Reflection", "", ""),
-        ::anno::usage("")
-    ]],
-    uniform color reflection_color = color(1.f, 1.f, 1.f) [[
-        ::anno::in_group("Reflection", "", ""),
-        ::anno::usage("")
-    ]],
-    float depth = 0.00100000005f [[
-        ::anno::description("Controls how much light is absorbed through the surface"),
-        ::anno::display_name("Volume Absorption"),
-        ::anno::in_group("Volume", "", ""),
-        ::anno::usage(""),
-        ::anno::soft_range(0.f, 1.f),
-        ::anno::hard_range(0.f, 1000.f)
-    ]],
-    uniform texture_2d normal_map_texture = texture_2d() [[
-        ::anno::description("The input texture"),
-        ::anno::in_group("Normal Map", "", ""),
-        ::anno::usage("")
-    ]])
- = 
-    let {
-        bool tmp0 = thin_walled;
-        material_surface tmp1(
-            ::df::fresnel_layer(ior, 1.f, ::df::microfacet_ggx_smith_bsdf(GlassUtils::apply_roughness_influence(roughness_texture, roughness, roughness_texture_influence), GlassUtils::apply_roughness_influence(roughness_texture, roughness, roughness_texture_influence), GlassUtils::get_color(reflection_color_texture, reflection_color), ::state::texture_tangent_u(0), ::df::scatter_reflect, ""), ::df::microfacet_ggx_smith_bsdf(GlassUtils::apply_roughness_influence(roughness_texture, roughness, roughness_texture_influence), GlassUtils::apply_roughness_influence(roughness_texture, roughness, roughness_texture_influence), thin_walled ? GlassUtils::get_color(transmission_color_texture, transmission_color) : color(1.f, 1.f, 1.f), ::state::texture_tangent_u(0), ::df::scatter_transmit, ""), ::state::normal()),
-            material_emission(emission: edf(), intensity: color(0.f, 0.f, 0.f), mode: intensity_radiant_exitance));
-        material_surface tmp2 = material_surface(scattering: bsdf(), emission: material_emission(emission: edf(), intensity: color(0.f, 0.f, 0.f), mode: intensity_radiant_exitance));
-        color tmp3 = ior;
-        material_volume tmp4(
-            vdf(),
-            thin_walled ? GlassUtils::get_color(transmission_color_texture, transmission_color) : GlassUtils::get_volume_absorption(depth, GlassUtils::get_color(transmission_color_texture, transmission_color)),
-            color(0.f, 0.f, 0.f));
-        material_geometry tmp5(
-            float3(0.f),
-            1.f,
-            ::base::tangent_space_normal_texture(normal_map_texture, 1.f, false, false, ::base::texture_coordinate_info(::state::texture_coordinate(0), ::state::texture_tangent_u(0), ::state::texture_tangent_v(0)), float2(0.f, 1.f), float2(0.f, 1.f), ::tex::wrap_repeat, ::tex::wrap_repeat, false, 1.f, 0.f));
-        hair_bsdf tmp6 = hair_bsdf();
-    } in
-        material(
-            thin_walled: tmp0,
-            surface: tmp1,
-            backface: tmp2,
-            ior: tmp3,
-            volume: tmp4,
-            geometry: tmp5,
-            hair: tmp6);
diff --git a/scenes/large_living_room/bigTable/model__3BigTable01.usd b/scenes/large_living_room/bigTable/model__3BigTable01.usd
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diff --git a/scenes/large_living_room/bigTable/resource/img/5e20c477740c7fc541dda36a3bd4cca5.png b/scenes/large_living_room/bigTable/resource/img/5e20c477740c7fc541dda36a3bd4cca5.png
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--- a/scenes/large_living_room/bigTable/resource/img/5e20c477740c7fc541dda36a3bd4cca5.png
+++ /dev/null
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deleted file mode 100644
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deleted file mode 100644
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deleted file mode 100644
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deleted file mode 100644
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diff --git a/scenes/small_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl b/scenes/small_living_room/Isaac Sim 4.5/isaac-sim-assets/materials/2023_2_1/base/glass/Clear_Glass.mdl
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+++ /dev/null
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-mdl 1.3;
-
-import ::OmniGlass::OmniGlass;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = OmniGlass::OmniGlass(
-    absorption_coeff: color(1.f, 1.f, 1.f),
-    glass_color: color(1.f, 1.f, 1.f),
-    use_glass_color_texture: false,
-    glass_color_texture: texture_2d(),
-    frosting_roughness: 0.f,
-    glass_ior: 1.52f,
-    thin_walled: true,
-    project_uvw: false,
-    world_or_object: false,
-    uv_space_index: 0,
-    texture_translate: float2(0.f),
-    texture_rotate: 0.f,
-    texture_scale: float2(1.f));
-	
-/*	
-mdl 1.5;
-
-import ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume;
-import ::tex::gamma_mode;
-import ::state::normal;
-
-export material Clear_Glass(*)
- = ::Library::AEC::Materials::Templates::GlassWithVolume::GlassWithVolume(
-    thin_walled: true,
-    transmission_color: color(1.f, 1.f, 1.f),
-    roughness_texture: texture_2d(),
-    ior: 1.52f,
-    transmission_color_texture: texture_2d(),
-    roughness_texture_influence: 0.f,
-    roughness: 0.f,
-    reflection_color_texture: texture_2d(),
-    reflection_color: color(1.f, 1.f, 1.f),
-    depth: 0.0001f,
-    normal_map_texture: texture_2d());
-*/
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