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issacdataengine/workflows/simbox/tools/rigid_obj/asset_usd_converter.py
2026-03-16 11:44:10 +00:00

113 lines
4.1 KiB
Python

# pylint: skip-file
# flake8: noqa
# Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
#
# NVIDIA CORPORATION and its licensors retain all intellectual property
# and proprietary rights in and to this software, related documentation
# and any modifications thereto. Any use, reproduction, disclosure or
# distribution of this software and related documentation without an express
# license agreement from NVIDIA CORPORATION is strictly prohibited.
#
import argparse
import asyncio
import os
from isaacsim import SimulationApp
async def convert(in_file, out_file, load_materials=False):
# This import causes conflicts when global
import omni.kit.asset_converter
def progress_callback(progress, total_steps):
pass
converter_context = omni.kit.asset_converter.AssetConverterContext()
# setup converter and flags
converter_context.ignore_materials = not load_materials
# converter_context.ignore_animation = False
# converter_context.ignore_cameras = True
# converter_context.single_mesh = True
# converter_context.smooth_normals = True
# converter_context.preview_surface = False
# converter_context.support_point_instancer = False
# converter_context.embed_mdl_in_usd = False
# converter_context.use_meter_as_world_unit = True
# converter_context.create_world_as_default_root_prim = False
instance = omni.kit.asset_converter.get_instance()
task = instance.create_converter_task(in_file, out_file, progress_callback, converter_context)
success = True
while True:
success = await task.wait_until_finished()
if not success:
await asyncio.sleep(0.1)
else:
break
return success
def asset_convert(args):
supported_file_formats = ["stl", "obj", "fbx"]
# for folder in args.folders:
# local_asset_output = folder + "_converted"
# result = omni.client.create_folder(f"{local_asset_output}")
for folder in args.folders:
print(f"\nConverting folder {folder}...")
(result, models) = omni.client.list(folder)
for i, entry in enumerate(models):
if i >= args.max_models:
print(f"max models ({args.max_models}) reached, exiting conversion")
break
model = str(entry.relative_path)
model_name = os.path.splitext(model)[0]
model_format = (os.path.splitext(model)[1])[1:]
# Supported input file formats
if model_format in supported_file_formats:
input_model_path = folder + "/" + model
# converted_model_path = folder + "_converted/" + model_name + "_" + model_format + ".usd"
converted_model_path = folder + "/" + "Aligned_obj.usd"
if not os.path.exists(converted_model_path):
status = asyncio.get_event_loop().run_until_complete(
convert(input_model_path, converted_model_path, True)
)
if not status:
print(f"ERROR Status is {status}")
print(f"---Added {converted_model_path}")
if __name__ == "__main__":
kit = SimulationApp()
import omni
from omni.isaac.core.utils.extensions import enable_extension
enable_extension("omni.kit.asset_converter")
parser = argparse.ArgumentParser("Convert OBJ/STL assets to USD")
parser.add_argument(
"--folders", type=str, nargs="+", default=None, help="List of folders to convert (space seperated)."
)
parser.add_argument(
"--max-models", type=int, default=50, help="If specified, convert up to `max-models` per folder."
)
parser.add_argument(
"--load-materials", action="store_true", help="If specified, materials will be loaded from meshes"
)
args, unknown_args = parser.parse_known_args()
import glob
import os
if args.folders is not None:
# Ensure Omniverse Kit is launched via SimulationApp before asset_convert() is called
asset_convert(args)
else:
print(f"No folders specified via --folders argument, exiting")
# cleanup
kit.close()