Merge branch 'master' of https://github.com/USGS-Astrogeology/plio

import json

import re

import os

from functools import singledispatch

import numpy as np

    df : pd.DataFrame

         containing the ipf data with appropriate column names and indices

    """

    # Check that the number of rows is matching the expected number

    with open(input_data, 'r') as f:

        for i, l in enumerate(f):

    d = d.reshape(-1, 12)

    df = pd.DataFrame(d, columns=columns)

    file = os.path.split(os.path.splitext(input_data)[0])[1]

    df['ipf_file'] = pd.Series(np.full((len(df['pt_id'])), file), index = df.index)

    assert int(cnt) == len(df), 'Dataframe length {} does not match point length {}.'.format(int(cnt), len(df))