各位好，我运行下面的代码：
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
@author: Matthieu Zins
"""
import trimesh
import numpy as np
import os
import argparse
"""
====== Voxelize the surface of a mesh ======
"""
def create_if_needed(folder):
if not os.path.isdir(folder):
os.mkdir(folder)
parser = argparse.ArgumentParser(description='Pass object name')
parser.add_argument('input_mesh', type=str)
parser.add_argument('--output_folder', type=str, default="")
parser.add_argument('--resolution', type=int, nargs=3, default=[50, 50, 50],
help="resolution_X resolution_Y resolution_Z")
parser.add_argument('--sampling', type=int, default="100000",
help="number of points sampled on the mesh")
args = parser.parse_args()
input_mesh_filename = args.input_mesh
object_name = os.path.splitext(os.path.basename(input_mesh_filename))[0]
output_folder = args.output_folder
if len(output_folder) == 0: output_folder = object_name
RES_X, RES_Y, RES_Z = args.resolution
sample_points_count = args.sampling
create_if_needed(output_folder)
mesh = trimesh.exchange.load.load(input_mesh_filename)
# Uniform Points Sampling
pts, _ = trimesh.sample.sample_surface_even(mesh, sample_points_count )
# Save sample points
sampled_points_mesh = trimesh.Trimesh(vertices=pts)
sampled_points_mesh.export(os.path.join(output_folder, object_name + "_resampled_points.ply"))
# Adjust the grid origin and voxels size
origin = pts.min(axis=0)
dimensions = pts.max(axis=0) - pts.min(axis=0)
scales = np.divide(dimensions, np.array([RES_X-1, RES_Y-1, RES_Z-1]))
scale = np.max(scales)
# Voxelize
pts -= origin
pts /= scale
pts_int = np.round(pts).astype(int)
grid = np.zeros((RES_X, RES_Y, RES_Z), dtype=int)
gooRES_X = np.where(np.logical_and(pts_int[:, 0] >= 0, pts_int[:, 0] < RES_X))[0]
gooRES_Y = np.where(np.logical_and(pts_int[:, 1] >= 0, pts_int[:, 1] < RES_Y))[0]
gooRES_Z = np.where(np.logical_and(pts_int[:, 2] >= 0, pts_int[:, 2] < RES_Z))[0]
goods = np.intersect1d(np.intersect1d(gooRES_X, gooRES_Y), gooRES_Z)
pts_int = pts_int[goods, :]
grid[pts_int[:, 0], pts_int[:, 1], pts_int[:, 2]] = 1
# Save voxels
voxel_pts = np.array([[-0.5, 0.5, -0.5],
[0.5, 0.5, -0.5],
[0.5, 0.5, 0.5],
[-0.5, 0.5, 0.5],
[-0.5, -0.5, -0.5],
[0.5, -0.5, -0.5],
[0.5, -0.5, 0.5],
[-0.5, -0.5, 0.5]])
voxel_faces = np.array([[0, 1, 2, 3],
[1, 5, 6, 2],
[5, 4, 7, 6],
[4, 0, 3, 7],
[0, 4, 5, 1],
[7, 3, 2, 6]])
def get_voxel(i, j, k):
global voxel_pts, voxel_faces
v = np.array([i, j, k], dtype=float) * scale
v += origin
points = voxel_pts * scale + v
return points, voxel_faces.copy()
points = []
faces = []
fi = 0
for i in range(RES_X):
for j in range(RES_Y):
for k in range(RES_Z):
if grid[i, j, k]:
p, f = get_voxel(i, j, k)
points.append(p)
f += fi
faces.append(f)
fi += 8
points = np.vstack(points)
faces = np.vstack(faces)
# Write obj mesh with quad faces
with open(os.path.join(output_folder, object_name + "_voxels.obj"), "w") as fout:
for p in points:fout.write("v " + " ".join(map(str, p)) + "\n")
for f in faces+1:fout.write("f " + " ".join(map(str, f)) + "\n")
print(object_name, "done.")
安装了模块之后就运行就报错了
D:\exampleofPython\Astar\venv\Scripts\python.exe D:\exampleofPython\Astar\venv\tisuhua.py
usage: tisuhua.py [-h] [--output_folder OUTPUT_FOLDER]
[--resolution RESOLUTION RESOLUTION RESOLUTION]
[--sampling SAMPLING]
input_mesh
tisuhua.py: error: the following arguments are required: input_mesh
Process finished with exit code 2
请问如何解决？感谢回答！
tisuhua.py：错误：需要以下参数：input_mesh
你应该在命令最后提供作为input_mesh的参数