From a7e05b314a3c62648cc149cc01899dbcab570690 Mon Sep 17 00:00:00 2001
From: Stephen Aylward <saylward@nvidia.com>
Date: Tue, 21 Jul 2026 13:28:35 -0400
Subject: [PATCH] ENH: Track physicsnemo_mgn_heart weights via Git LFS

---
 .gitattributes                                |  4 +
 .gitignore                                    |  5 ++
 .../physicsnemo_mgn_heart/mgn_stage_model.pt  |  3 +
 .../mgn_stage_model_metadata.json             | 86 +++++++++++++++++++
 .../physicsnemo_mgn_heart/pca_mean.vtu        |  3 +
 .../pca_mean_surface.vtp                      |  3 +
 .../physicsnemo_mgn_heart/pca_model.json      |  3 +
 .../shared_edge_features.pt                   |  3 +
 .../shared_edge_index.pt                      |  3 +
 9 files changed, 113 insertions(+)
 create mode 100644 tutorials/network_weights/physicsnemo_mgn_heart/mgn_stage_model.pt
 create mode 100644 tutorials/network_weights/physicsnemo_mgn_heart/mgn_stage_model_metadata.json
 create mode 100644 tutorials/network_weights/physicsnemo_mgn_heart/pca_mean.vtu
 create mode 100644 tutorials/network_weights/physicsnemo_mgn_heart/pca_mean_surface.vtp
 create mode 100644 tutorials/network_weights/physicsnemo_mgn_heart/pca_model.json
 create mode 100644 tutorials/network_weights/physicsnemo_mgn_heart/shared_edge_features.pt
 create mode 100644 tutorials/network_weights/physicsnemo_mgn_heart/shared_edge_index.pt

diff --git a/.gitattributes b/.gitattributes
index cf20d4a..b4ec85f 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,7 @@
 *.hdf filter=lfs diff=lfs merge=lfs -text
 *.mha filter=lfs diff=lfs merge=lfs -text
 docs/assets/*.gif filter=lfs diff=lfs merge=lfs -text
+tutorials/network_weights/physicsnemo_mgn_heart/*.pt filter=lfs diff=lfs merge=lfs -text
+tutorials/network_weights/physicsnemo_mgn_heart/*.vtu filter=lfs diff=lfs merge=lfs -text
+tutorials/network_weights/physicsnemo_mgn_heart/*.vtp filter=lfs diff=lfs merge=lfs -text
+tutorials/network_weights/physicsnemo_mgn_heart/pca_model.json filter=lfs diff=lfs merge=lfs -text
diff --git a/.gitignore b/.gitignore
index 005cc51..705dc21 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,6 +31,11 @@ docs/_static/.buildinfo
 # Network weights
 network_weights
 
+# Track the MGN heart model weights (other network_weights stay ignored)
+!tutorials/network_weights/
+tutorials/network_weights/*
+!tutorials/network_weights/physicsnemo_mgn_heart/
+
 # Data files
 *.gz
 *.mat
diff --git a/tutorials/network_weights/physicsnemo_mgn_heart/mgn_stage_model.pt b/tutorials/network_weights/physicsnemo_mgn_heart/mgn_stage_model.pt
new file mode 100644
index 0000000..1321bbb
--- /dev/null
+++ b/tutorials/network_weights/physicsnemo_mgn_heart/mgn_stage_model.pt
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:55bf8180f356faf78214182e35f55118bbe92d55215954e3dfed89a776120fb3
+size 2227889
diff --git a/tutorials/network_weights/physicsnemo_mgn_heart/mgn_stage_model_metadata.json b/tutorials/network_weights/physicsnemo_mgn_heart/mgn_stage_model_metadata.json
new file mode 100644
index 0000000..84b8157
--- /dev/null
+++ b/tutorials/network_weights/physicsnemo_mgn_heart/mgn_stage_model_metadata.json
@@ -0,0 +1,86 @@
+{
+  "architecture": "physicsnemo.models.meshgraphnet.MeshGraphNet",
+  "input_features": [
+    "mean_shape_x",
+    "mean_shape_y",
+    "mean_shape_z",
+    "pca_c1",
+    "pca_c2",
+    "pca_c3",
+    "pca_c4",
+    "pca_c5",
+    "pca_c6",
+    "pca_c7",
+    "pca_c8",
+    "pca_c9",
+    "pca_c10",
+    "pca_c11",
+    "pca_c12",
+    "pca_c13",
+    "pca_c14",
+    "pca_c15",
+    "stage"
+  ],
+  "output_features": [
+    "dx",
+    "dy",
+    "dz"
+  ],
+  "in_features": 19,
+  "n_mesh_points": 167240,
+  "epochs": 1500,
+  "learning_rate": 0.001,
+  "batch_size_samples": 4,
+  "coordinate_mean": [
+    -7.199598789215088,
+    -3.9089744091033936,
+    9.961953163146973
+  ],
+  "coordinate_scale": [
+    30.08570671081543,
+    27.07874298095703,
+    29.782752990722656
+  ],
+  "pca_mean": [
+    0.7269748449325562,
+    -0.07803090661764145,
+    -1.3384027481079102,
+    0.021359410136938095,
+    -0.3058125376701355,
+    -0.12345822155475616,
+    -0.14261603355407715,
+    -0.9997884035110474,
+    0.4026827812194824,
+    -0.5299767255783081,
+    -0.43278786540031433,
+    0.7046552300453186,
+    0.13237492740154266,
+    0.4630051255226135,
+    0.6216614842414856
+  ],
+  "pca_scale": [
+    0.7048464417457581,
+    0.557181715965271,
+    0.5016987323760986,
+    0.4974881112575531,
+    0.7341663241386414,
+    0.6494237184524536,
+    0.7575852274894714,
+    0.6247227787971497,
+    0.6713169813156128,
+    0.8278525471687317,
+    0.9181209802627563,
+    0.9691786170005798,
+    0.6127719879150391,
+    1.4163326025009155,
+    1.1147863864898682
+  ],
+  "displacement_scale": 21.72310447692871,
+  "displacement_convention": "Option B: relative to subject reference surface",
+  "resumed_from": "C:\\src\\Projects\\PhysioTwin4D\\physiotwin4d\\tutorials\\output\\tutorial_09_byod_mgn_2\\mgn_stage_model_epoch_00200.pt",
+  "processor_size": 3,
+  "hidden_dim": 128,
+  "num_layers": 2,
+  "num_processor_checkpoint_segments": 0,
+  "input_dim_edges": 4
+}
\ No newline at end of file
diff --git a/tutorials/network_weights/physicsnemo_mgn_heart/pca_mean.vtu b/tutorials/network_weights/physicsnemo_mgn_heart/pca_mean.vtu
new file mode 100644
index 0000000..bf3a0c4
--- /dev/null
+++ b/tutorials/network_weights/physicsnemo_mgn_heart/pca_mean.vtu
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:720a5aa7668e6eac78c2c8dce8b6b4bdecd34d96625aabe0d6fa0f73afd4d02a
+size 80833823
diff --git a/tutorials/network_weights/physicsnemo_mgn_heart/pca_mean_surface.vtp b/tutorials/network_weights/physicsnemo_mgn_heart/pca_mean_surface.vtp
new file mode 100644
index 0000000..2703efd
--- /dev/null
+++ b/tutorials/network_weights/physicsnemo_mgn_heart/pca_mean_surface.vtp
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:297169d6f0b0cc060d8d4c28ff1b20bee731617f8ac2d93d37ae84841831f761
+size 15539187
diff --git a/tutorials/network_weights/physicsnemo_mgn_heart/pca_model.json b/tutorials/network_weights/physicsnemo_mgn_heart/pca_model.json
new file mode 100644
index 0000000..1d7d60f
--- /dev/null
+++ b/tutorials/network_weights/physicsnemo_mgn_heart/pca_model.json
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:903a68ab9483345247bbe27bb256c0f2621e6e80ee92e525eb1d47a1e1a3962e
+size 623801511
diff --git a/tutorials/network_weights/physicsnemo_mgn_heart/shared_edge_features.pt b/tutorials/network_weights/physicsnemo_mgn_heart/shared_edge_features.pt
new file mode 100644
index 0000000..e8aeab4
--- /dev/null
+++ b/tutorials/network_weights/physicsnemo_mgn_heart/shared_edge_features.pt
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3833b18965845c309b21dfb3e1b58e19428bd83dbefb3988aa58a170a8326da2
+size 16057988
diff --git a/tutorials/network_weights/physicsnemo_mgn_heart/shared_edge_index.pt b/tutorials/network_weights/physicsnemo_mgn_heart/shared_edge_index.pt
new file mode 100644
index 0000000..b32e21d
--- /dev/null
+++ b/tutorials/network_weights/physicsnemo_mgn_heart/shared_edge_index.pt
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aaf1b66fa2a4204b77ca99a7cbbcca46b64f9b89e0dbd5c73ab3b0b7eaeff636
+size 16057967