svg-sorter.py 文件源码

def spatial_concat(paths, eps=1.e-9):

  from numpy.linalg import norm
  from numpy import row_stack

  res = []
  curr = paths[0]
  concats = 0
  for p in paths[1:]:
    if p.shape[0]<2:
      print('WARNING: path with only one vertex.')
      continue
    if norm(p[0,:]-curr[-1,:])<eps:
      curr = row_stack([curr, p[1:,:]])
      concats += 1
    else:
      res.append(curr)
      curr = p

  res.append(curr)

  print('concats: ', concats)
  print('original paths: ', len(paths))
  print('number after concatination: ', len(res))

  print()

  return res