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67 lines
2.0 KiB
67 lines
2.0 KiB
import json
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import argparse
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import pathlib
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# import igl
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import pymesh
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import fixture_utils
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description='Component splitter')
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parser.add_argument('--input', type=pathlib.Path, help='input path')
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parser.add_argument('--rho', '--density', type=float,
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default=1000, help='density')
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parser.add_argument('--output-path', type=pathlib.Path,
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default='', help='output path')
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parser.add_argument('--output-json', type=pathlib.Path,
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default='out.json', help='output json file')
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args = parser.parse_args()
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mesh_name = args.input.stem
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# in_path = os.path.dirname(args.input)
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# mesh = os.path.basename(args.input)
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#
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# V, F = igl.read_triangle_mesh(args.input)
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# C = igl.face_components(F)
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# c_idx = C.max()
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#
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# Fs = [F[C == c] for c in range(c_idx + 1)]
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#
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# FFs = []
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# VVs = []
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#
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# for i in range(len(Fs)):
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# VV, FF, _, _ = igl.remove_unreferenced(V, Fs[i])
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# FFs.append(FF)
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# VVs.append(VV)
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#
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# paths = []
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# for i in range(len(Fs)):
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# path = os.path.join(args.output_path, "{}_part_{}.obj".format(mesh, i))
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# igl.write_triangle_mesh(path, VVs[i], FFs[i])
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#
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# paths.append(path)
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mesh = pymesh.load_mesh(str(args.input))
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paths = []
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for i, component_mesh in enumerate(pymesh.separate_mesh(mesh)):
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path = args.output_path / f"{mesh_name}-part{i:03d}{args.input.suffix}"
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pymesh.save_mesh(str(path), component_mesh)
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paths.append(path)
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out = {
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"scene_type": "distance_barrier_rb_problem",
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"max_time": 10,
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"timestep": 0.01,
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"rigid_body_problem": {
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"rigid_bodies": []
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}
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}
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out["rigid_body_problem"]["rigid_bodies"] = [
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{"mesh": str(path), "density": args.rho} for path in paths]
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fixture_utils.save_fixture(out, args.output_json)
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