用拼接文件的Plydata.read读取ASCII ply文件时的AttributeError

link之家

链接快照平台

输入网页链接，自动生成快照
标签化管理网页链接

用拼接文件的Plydata.read读取ASCII ply文件时的AttributeError

import os
from glob import glob
from plyfile import PlyData, PlyElement
if __name__ == '__main__':
    #Request input if no system arguments found
        inputDirName = sys.argv[1]
    except IndexError:
        inputDirName = input('Enter directory containing ASCII ply files:\n')
    os.chdir(inputDirName)
    files = glob('*.ply')
    for file in files:
        with open(file, 'r+') as f:
            data = PlyData.read(f)
            PlyData([data]).write(file.split('.')[0] + '_binary.ply')

File "C:\Users\user\Miniconda3\lib\site-packages\plyfile.py", line 392, in read
   data = PlyData._parse_header(stream)
File "C:\Users\user\Miniconda3\lib\site-packages\plyfile.py", line 373, in _parse_header                         
   while parser.consume(stream.readline()):
File "C:\Users\user\Miniconda3\lib\site-packages\plyfile.py", line 120, in consume
   line = raw_line.decode('ascii').strip()
AttributeError: 'str' object has no attribute 'decode'

#!/usr/bin/env python
import os
import sys
import numpy as np
from datetime import datetime
from glob import glob
from plyfile import PlyData, PlyElement
if __name__ == '__main__':
    #Request input if no system arguments found
        inputDirName = sys.argv[1]
    except IndexError:
        inputDirName = input('Enter directory containing files to be converted:\n')
    os.chdir(inputDirName)
    files = glob('*.txt')
    for file in files:
        with open(file, 'r+') as f:
            # Get number of vertices
            vertices = int(f.readline())
            # Create empty numpy array and define datatypes
            numpyArray = np.empty(vertices,dtype=[('x', 'f4'), ('y', 'f4'), ('z', 'f4'),
                                 ('red', 'u1'), ('green', 'u1'), ('blue', 'u1')])
            # Read file contents into array
            for index, line in enumerate(f):
                x, y, z, r, g, b = line.strip().split(' ')
                numpyArray[index] = (x, y, z, r, g, b)
            # Create PlyElement instance
            el = PlyElement.describe(numpyArray, 'vertex',
                                     comments=['Created ' + str(datetime.now())])

用拼接文件的Plydata.read读取ASCII ply文件时的AttributeError

2 个回答