python filling hole(and stitching two holes) with same result as MeshInspector about meshlib HOT 7 CLOSED

def stitch_mesh_two_holes(mesh, he1, he2):
    # Create parameters for filling hole
    params = mrmesh.StitchHolesParams()
    newFacesBitSet = mrmesh.FaceBitSet()
    params.outNewFaces = newFacesBitSet
    params.metric = mrmesh.getEdgeLengthStitchMetric(mesh)

    mrmesh.buildCylinderBetweenTwoHoles(mesh, he1, he2, params) 

    return mesh, newFacesBitSet

import numpy as np


def read_mesh_trimesh(filename):
    import trimesh

    mesh = trimesh.load(filename)
    v, f = mesh.vertices, mesh.faces
    v = np.array(v)[:, :3].astype(np.float32)
    f = np.array(f)[:, :3].astype(np.int32)
    return v, f


def write_mesh_trimesh(filename, v, f):
    import trimesh
    mesh = trimesh.Trimesh(v, f)
    mesh.export(filename)


def read_mesh_igl(filename):
    import igl
    v, f = igl.read_triangle_mesh(filename)
    return v, f


def write_mesh_igl(filename, v, f):
    import igl
    igl.write_triangle_mesh(filename, v, f)
    return v, f


def mrmesh_from_numpy(verts, faces):
    from meshlib import mrmeshpy as mm
    import meshlib.mrmeshnumpy as mrmeshnumpy
    verts, faces = verts.astype(np.float32), faces.astype(np.int32)
    mesh = mrmeshnumpy.meshFromFacesVerts(faces, verts)
    return mesh


def mrmesh_to_numpy(mesh):
    from meshlib import mrmeshpy as mm
    import meshlib.mrmeshnumpy as mrmeshnumpy
    verts = mrmeshnumpy.getNumpyVerts(mesh)
    faces = mrmeshnumpy.getNumpyFaces(mesh.topology)
    return verts, faces


def test():
    # python 3.8.15
    # meshlib version: 2.1.9
    # trimesh version: 3.17.1
    # igl version: 2.2.1

    verts = np.load("verts.npy")
    faces = np.load("faces.npy")

    print("\n## ----- input")
    print("#v, #f: ", verts.shape, faces.shape)
    print("sum: ", np.sum(verts))
    print("mean: ", np.mean(verts, axis=0))

    # write and read with trimesh
    print("\n## ----- trimesh")
    write_mesh_trimesh("trimesh.ply", verts, faces)
    verts_tri, faces_tri = read_mesh_trimesh("trimesh.ply")
    print("#v, #f: ", verts_tri.shape, faces_tri.shape)
    print("sum: ", np.sum(verts_tri))
    print("mean: ", np.mean(verts_tri, axis=0))

    # write and read with trimesh
    print("\n## ----- igl")
    write_mesh_igl("igl.ply", verts, faces)
    verts_igl, faces_igl = read_mesh_igl("igl.ply")
    print("#v, #f: ", verts_igl.shape, faces_igl.shape)
    print("sum: ", np.sum(verts_igl))
    print("mean: ", np.mean(verts_igl, axis=0))

    # to and from mrmesh
    print("\n## ----- mrmesh1, from numpy data")
    mesh = mrmesh_from_numpy(verts, faces)
    verts_mr, faces_mr = mrmesh_to_numpy(mesh)
    print("#v, #f: ", verts_mr.shape, faces_mr.shape)
    print("sum_mr: ", np.sum(verts_mr))
    print("mean: ", np.mean(verts_mr, axis=0))
    write_mesh_trimesh("mr_numpy.ply", verts_mr, faces_mr)

    # # to and from mrmesh using the trimesh one
    print("\n## ----- mrmesh2, from trimesh read")
    mesh = mrmesh_from_numpy(verts_tri, faces_tri)
    verts_mr, faces_mr = mrmesh_to_numpy(mesh)
    print("#v, #f: ", verts_mr.shape, faces_mr.shape)
    print("sum: ", np.sum(verts_mr))
    print("mean: ", np.mean(verts_mr, axis=0))
    write_mesh_trimesh("mr_trimesh.ply", verts_mr, faces_mr)

    # # to and from mrmesh using the igl one
    print("\n## ----- mrmesh2, from igl read")
    mesh = mrmesh_from_numpy(verts_igl, faces_igl)
    verts_mr, faces_mr = mrmesh_to_numpy(mesh)
    print("#v, #f: ", verts_mr.shape, faces_mr.shape)
    print("sum: ", np.sum(verts_mr))
    print("mean: ", np.mean(verts_mr, axis=0))
    write_mesh_trimesh("mr_igl.ply", verts_mr, faces_mr)


test()

## ----- input
#v, #f:  (8828, 3) (17090, 3)
sum:  906109.3522396502
mean:  [49.09825646 17.08983528 36.45229705]

## ----- trimesh
#v, #f:  (8828, 3) (17090, 3)
sum:  906109.4
mean:  [49.098206 17.089834 36.452335]

## ----- igl
#v, #f:  (8828, 3) (17090, 3)
sum:  906109.3522396502
mean:  [49.09825646 17.08983528 36.45229705]

## ----- mrmesh1, from numpy data
#v, #f:  (8828, 3) (17074, 3)
sum_mr:  906109.3521671295
mean:  [34.19764061 34.22750484 34.21524333]

## ----- mrmesh2, from trimesh read
#v, #f:  (8828, 3) (17090, 3)
sum:  906109.3521671295
mean:  [49.09825644 17.08983529 36.45229705]

## ----- mrmesh2, from igl read
#v, #f:  (8828, 3) (17090, 3)
sum:  906109.3521671295
mean:  [49.09825644 17.08983529 36.45229705]