Transform the features into a more graph-like structure by
    appropriately splitting LineString features into two-point
    "edges" that connect Point "nodes".

def features_node_edge_graph(obj):
    """
    Transform the features into a more graph-like structure by
    appropriately splitting LineString features into two-point
    "edges" that connect Point "nodes".
    """
    points = {}
    features = obj['features']
    for feature in tqdm(obj['features']):
        for (lon, lat) in geojson.utils.coords(feature):
            points.setdefault((lon, lat), 0)
            points[(lon, lat)] += 1
    points = [p for (p, c) in points.items() if c > 1]
    features = [geojson.Point(p) for p in points]

    # For each feature, split it into "edge" features
    # that occur between every point.
    for f in tqdm(obj['features']):
        seqs = []
        seq = []
        for point in geojson.utils.coords(f):
            if len(seq) > 0:
                seq.append(point)
            if point in points:
                seq.append(point)
                if len(seq) > 1 and seq[0] in points:
                    seqs.append(seq)
                    seq = [point]
        for seq in seqs:
            features.append(geojson.Feature(geometry={"coordinates":seq, "type":f['geometry']['type']}, properties=f['properties'], type=f['type']))

    obj['features'] = features
    return obj