Hartmut/HartOMat
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

refactor: rebrand project to HartOMat

Browse Source
This commit is contained in:
Hartmut Nörenberg
2026-04-06 12:45:47 +02:00
parent fa7093307a
commit b795f0e6d6
95 changed files with 608 additions and 497 deletions
Download Patch File Download Diff File Expand all files Collapse all files
render-worker/scripts/import_usd.py
+9 -9
View File
@@ -2,7 +2,7 @@
Runs inside Blender's Python environment (bpy available).
Imports a USD stage and restores seam + sharp edges from
schaeffler:*EdgeVertexPairs primvars. Blender's built-in USD importer does
hartomat:*EdgeVertexPairs primvars. Blender's built-in USD importer does
NOT map arbitrary custom primvars (constant Int2Array) to mesh attributes,
so we read them directly via the pxr module and apply via bmesh.
@@ -22,7 +22,7 @@ def import_usd_file(usd_path: str) -> list | tuple:
Returns a tuple of (parts, material_lookup) where:
- parts: list of imported mesh objects, centred at world origin
- material_lookup: dict mapping blender_object_name → canonical_material_name
(populated from schaeffler:canonicalMaterialName customData, empty dict if absent)
(populated from hartomat:canonicalMaterialName customData, empty dict if absent)
USD stage is mm Y-up with metersPerUnit=0.001 — Blender scales to metres.
"""
@@ -49,20 +49,20 @@ def import_usd_file(usd_path: str) -> list | tuple:
for prim in stage.Traverse():
if prim.GetTypeName() != "Mesh":
continue
part_key = prim.GetCustomDataByKey("schaeffler:partKey") or ""
mat_name = prim.GetCustomDataByKey("schaeffler:canonicalMaterialName") or ""
part_key = prim.GetCustomDataByKey("hartomat:partKey") or ""
mat_name = prim.GetCustomDataByKey("hartomat:canonicalMaterialName") or ""
if not part_key or not mat_name:
parent = prim.GetParent()
if parent:
part_key = part_key or (parent.GetCustomDataByKey("schaeffler:partKey") or "")
mat_name = mat_name or (parent.GetCustomDataByKey("schaeffler:canonicalMaterialName") or "")
part_key = part_key or (parent.GetCustomDataByKey("hartomat:partKey") or "")
mat_name = mat_name or (parent.GetCustomDataByKey("hartomat:canonicalMaterialName") or "")
if part_key and mat_name:
material_lookup[part_key] = mat_name
# Read seam/sharp primvars from USD mesh prim
pvs_api = UsdGeom.PrimvarsAPI(prim)
sharp_pv = pvs_api.GetPrimvar("schaeffler:sharpEdgeVertexPairs")
seam_pv = pvs_api.GetPrimvar("schaeffler:seamEdgeVertexPairs")
sharp_pv = pvs_api.GetPrimvar("hartomat:sharpEdgeVertexPairs")
seam_pv = pvs_api.GetPrimvar("hartomat:seamEdgeVertexPairs")
sharp_list = []
seam_list = []
if sharp_pv and sharp_pv.HasValue():
@@ -83,7 +83,7 @@ def import_usd_file(usd_path: str) -> list | tuple:
print(f"[import_usd] pxr material lookup: {len(material_lookup)}/{len(parts)} parts",
flush=True)
else:
print("[import_usd] no schaeffler:canonicalMaterialName metadata found (legacy USD)",
print("[import_usd] no hartomat:canonicalMaterialName metadata found (legacy USD)",
flush=True)
if edge_data: