hy3dpaint/utils/simplify_mesh_utils.py

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import trimesh
import pymeshlab


def remesh_mesh(mesh_path, remesh_path):
    mesh = mesh_simplify_trimesh(mesh_path, remesh_path)


def mesh_simplify_trimesh(inputpath, outputpath, target_count=40000):
    # 先去除离散面
    ms = pymeshlab.MeshSet()
    if inputpath.endswith(".glb"):
        ms.load_new_mesh(inputpath, load_in_a_single_layer=True)
    else:
        ms.load_new_mesh(inputpath)
    ms.save_current_mesh(outputpath.replace(".glb", ".obj"), save_textures=False)
    # 调用减面函数
    courent = trimesh.load(outputpath.replace(".glb", ".obj"), force="mesh")
    face_num = courent.faces.shape[0]

    if face_num > target_count:
        courent = courent.simplify_quadric_decimation(target_count)
    courent.export(outputpath)