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import sys import random import argparse
from . import stl
def _get_parser(description): parser = argparse.ArgumentParser(description=description) parser.add_argument('infile', nargs='?', type=argparse.FileType('r'), default=sys.stdin, help='STL file to read') parser.add_argument('outfile', nargs='?', type=argparse.FileType('w'), default=sys.stdout, help='STL file to write') parser.add_argument('--name', nargs='?', help='Name of the mesh') parser.add_argument( '-n', '--use-file-normals', action='store_true', help='Read the normals from the file instead of recalculating them') return parser
def _get_name(args): if args.name: name = args.name elif not getattr(args.outfile, 'name', '<').startswith('<'): name = args.outfile.name elif not getattr(args.infile, 'name', '<').startswith('<'): name = args.infile.name else: name = 'numpy-stl-%06d' % random.randint(0, 1e6) return name
def main(): parser = _get_parser('Convert STL files from ascii to binary and back') parser.add_argument('-a', '--ascii', action='store_true', help='Write ASCII file (default is binary)') parser.add_argument('-b', '--binary', action='store_true', help='Force binary file (for TTYs)')
args = parser.parse_args() name = _get_name(args) stl_file = stl.StlMesh(filename=name, fh=args.infile, update_normals=False)
if args.binary: mode = stl.BINARY elif args.ascii: mode = stl.ASCII else: mode = stl.AUTOMATIC
stl_file.save(name, args.outfile, mode=mode, update_normals=not args.use_file_normals)
def to_ascii(): parser = _get_parser('Convert STL files to ASCII (text) format') args = parser.parse_args() name = _get_name(args) stl_file = stl.StlMesh(filename=name, fh=args.infile, update_normals=False) stl_file.save(name, args.outfile, mode=stl.ASCII, update_normals=not args.use_file_normals)
def to_binary(): parser = _get_parser('Convert STL files to ASCII (text) format') args = parser.parse_args() name = _get_name(args) stl_file = stl.StlMesh(filename=name, fh=args.infile, update_normals=False) stl_file.save(name, args.outfile, mode=stl.BINARY, update_normals=not args.use_file_normals)
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