diff --git a/gaknot/main.py b/gaknot/main.py
deleted file mode 100644
index 17854af..0000000
--- a/gaknot/main.py
+++ /dev/null
@@ -1,278 +0,0 @@
-
-
-# This file was *autogenerated* from the file /home/maria/signature_function/gaknot/main.sage
-from sage.all_cmdline import *   # import sage library
-
-_sage_const_0 = Integer(0); _sage_const_1 = Integer(1); _sage_const_2 = Integer(2); _sage_const_3 = Integer(3); _sage_const_5 = Integer(5); _sage_const_7 = Integer(7); _sage_const_11 = Integer(11); _sage_const_13 = Integer(13); _sage_const_10 = Integer(10)#!/usr/bin/env sage -python
-
-# TBD: read about Factory Method, variable in docstring, sage documentation,
-# print calc. to output file
-# decide about printing option
-# make __main__?
-
-import os
-import sys
-
-import itertools as it
-import re
-import numpy as np
-import importlib
-from .utility import import_sage
-# from . import signature as sig
-# from . import cable_signature as cs
-
-package = __name__.split('.')[_sage_const_0 ]
-path = os.path.dirname(__file__)
-print(path)
-
-sg = import_sage('signature', package='gaknot', path=path)
-cs = import_sage('cable_signature', package='gaknot', path=path)
-
-
-
-
-# class Config:
-#     def __init__(self):
-#         self.f_results = os.path.join(os.getcwd(), "results.out")
-
-class Schemas:
-
-
-    # knot_formula = "[[k[0],  k[1],  k[2]],\
-    #                 [        k[3],  k[4]],\
-    #                 [-k[0], -k[3], -k[4]],\
-    #                 [       -k[1], -k[2]]]"
-    #
-    # knot_formula = "[[k[0],   k[1],  k[2]],\
-    #                  [               k[3]],\
-    #                  [-k[0], -k[1], -k[3]],\
-    #                  [              -k[2]]]"
-
-
-    short_3_layers_a = "[[         k[5],  k[3]], " + \
-                        "[        -k[1], -k[3]], " + \
-                        "[                k[3]], " + \
-                        "[ -k[4], -k[6], -k[3]]]"
-
-    short_3_layers_b = "[[k[4],   k[1],  k[7]], " + \
-                        "[               -k[7]], " + \
-                        "[         k[6],  k[7]], " + \
-                        "[         -k[5], -k[7]]]"
-
-    schema_short1 = "[ [k[5],  k[3]], " + \
-                    "[ -k[1], -k[3]], " + \
-                    "[         k[3]], " + \
-                    "[ -k[6], -k[3]]]"
-
-    schema_short2 = "[[ k[1],  k[7]], " + \
-                    "[        -k[7]], " + \
-                    "[  k[6],  k[7]], " + \
-                    "[ -k[5], -k[7]]]"
-
-    schema_short = "[[ k[5],  k[3]], " + \
-                   "[ -k[1], -k[3]], " + \
-                   "[         k[3]], " + \
-                   "[ -k[6], -k[3]], " + \
-                   "[  k[1],  k[7]], " + \
-                   "[        -k[7]], " + \
-                   "[  k[6],  k[7]], " + \
-                   "[ -k[5], -k[7]]]"
-
-    # two_summands_schema = "[ [k[0], k[1], k[4]], [-k[1], -k[3]],\
-    #                        [k[2], k[3]], [-k[0], -k[2], -k[4]] ]"
-    # two_small_summands_schema = "[[k[3]], [-k[3]],\
-    #                             [k[3]], [-k[3]] ]"
-    #
-    # four_summands_schema = "[[k[3],  k[2],  k[0]],\
-    #                         [       -k[2], -k[0]],\
-    #                         [        k[1],  k[0]],\
-    #                         [-k[3], -k[1], -k[0]]]"
-    #
-    four_summands_schema = "[[ k[0],  k[1],  k[3]]," + \
-                           "[        -k[1], -k[3]]," + \
-                           "[         k[2],  k[3]]," + \
-                           "[ -k[0], -k[2], -k[3]]]"
-
-    # formula_1 = "[[ k[0],  k[5],  k[3]], " + \
-    #             "[        -k[1], -k[3]], " + \
-    #             "[         k[2],  k[3]], " + \
-    #             "[ -k[0], -k[2], -k[3]]]"
-    #
-    # formula_2 = "[[ k[4],  k[1],  k[7]], " + \
-    #             "[        -k[5], -k[7]], " + \
-    #             "[         k[6],  k[7]], " + \
-    #             "[ -k[4], -k[6], -k[7]]]"
-    #
-    # formula_1 = "[[ k[0], k[5],  k[3]], " + \
-    #             "[       -k[5], -k[3]], " + \
-    #             "[        k[2],  k[3]], " + \
-    #             "[-k[4], -k[2], -k[3]]]"
-    #
-    # formula_2 = "[[ k[4], k[1],  k[7]], " + \
-    #             "[       -k[1], -k[7]], " + \
-    #             "[        k[6],  k[7]], " + \
-    #             "[-k[0], -k[6], -k[7]]]"
-
-
-def main(arg=None):
-    try:
-        limit = int(arg[_sage_const_1 ])
-    except (IndexError, TypeError):
-        limit = None
-    conf = Config()
-    cable_loop_with_details(conf)
-
-
-def print_sigma_for_cable(verbose=True, Schemas=None):
-
-    schema_short1 = Schemas.schema_short1
-    schema_short2 = Schemas.schema_short2
-    schema_short = Schemas.schema_short
-    schema_four = Schemas.four_summands_schema
-
-    cable_template = cs.CableTemplate(knot_formula=schema_short)
-    cable_template.fill_q_vector()
-    q_v = cable_template.q_vector
-    print(q_v)
-    print(cable_template.cable.knot_description)
-    cable1 = cs.CableTemplate(knot_formula=schema_short1,
-                              verbose=verbose,
-                              q_vector=q_v
-                             ).cable
-    cable2 = cs.CableTemplate(knot_formula=schema_short2,
-                              verbose=verbose,
-                              q_vector=q_v
-                             ).cable
-    cable = cs.CableTemplate(knot_formula=schema_short1,
-                              verbose=verbose,
-                              q_vector=q_v
-                             ).cable
-
-    cable.plot_sigma_for_summands()
-    # cable1.plot_sigma_for_summands()
-    # cable2.plot_sigma_for_summands()
-
-
-def cable_loop_with_details(verbose=True):
-    # verbose = False
-    schema_short1 = Schemas.schema_short1
-    schema_short2 = Schemas.schema_short2
-    schema_short = Schemas.schema_short
-    cable_template = cs.CableTemplate(knot_formula=schema_short)
-
-    list_of_q_vectors = []
-    # for el in [2, 3, 5, 7, 11, 13]:
-    for el in [_sage_const_2 ]:
-        cable_template.fill_q_vector(lowest_number=el)
-        q_v = cable_template.q_vector
-        print(q_v)
-        print(cable_template.cable.knot_description)
-        cable1 = cs.CableTemplate(knot_formula=schema_short1,
-                                  verbose=verbose,
-                                  q_vector=q_v
-                                 ).cable
-        cable2 = cs.CableTemplate(knot_formula=schema_short2,
-                                  verbose=verbose,
-                                  q_vector=q_v
-                                 ).cable
-    #     print("\n")
-    #     print(cable1.knot_description)
-        is_1 = cable1.is_function_big_for_all_metabolizers(invariant=cs.SIGMA)
-        is_2 = cable2.is_function_big_for_all_metabolizers(invariant=cs.SIGMA)
-        if is_1 and is_2:
-            print("sigma is big for all metabolizers")
-        else:
-            print("sigma is not big for all metabolizers")
-        print("\n" * _sage_const_3 )
-
-
-def few_cable_without_calc(verbose=False):
-
-    schema_short1 = Schemas.schema_short1
-    schema_short2 = Schemas.schema_short2
-    schema_short = Schemas.schema_short
-
-    cable_template = cs.CableTemplate(knot_formula=schema_short)
-
-    list_of_q_vectors = []
-    for el in [_sage_const_2 , _sage_const_3 , _sage_const_5 , _sage_const_7 , _sage_const_11 , _sage_const_13 ]:
-        cable_template.fill_q_vector(lowest_number=el)
-        q_v = cable_template.q_vector
-        print(q_v)
-        print(cable_template.cable.knot_description)
-        cable1 = cs.CableTemplate(knot_formula=schema_short1,
-                              verbose=verbose,
-                              q_vector=q_v
-                             ).cable
-        cable2 = cs.CableTemplate(knot_formula=schema_short2,
-                                  verbose=verbose,
-                                  q_vector=q_v
-                                 ).cable
-        is_1 = cable1.is_function_big_for_all_metabolizers(invariant=sigma)
-        is_2 = cable2.is_function_big_for_all_metabolizers(invariant=sigma)
-        if is_1 and is_2:
-            print("sigma is big for all metabolizers")
-        else:
-            print("sigma is not big for all metabolizers")
-        print("\n" * _sage_const_3 )
-
-
-def smallest_cable(verbose=True):
-
-    schema_short1 = Schemas.schema_short1
-    schema_short2 = Schemas.schema_short2
-    schema_short = Schemas.schema_short
-
-
-    cable_template = cs.CableTemplate(knot_formula=schema_short)
-    q_v = cable_template.q_vector
-    print(q_v)
-    cable1 = cs.CableTemplate(knot_formula=schema_short1,
-                              verbose=verbose,
-                              q_vector=q_v).cable
-    cable2 = cs.CableTemplate(knot_formula=schema_short2,
-                              verbose=verbose,
-                              q_vector=q_v).cable
-    cable1.is_function_big_for_all_metabolizers(invariant=sigma)
-    cable2.is_function_big_for_all_metabolizers(invariant=sigma)
-
-
-def plot_many_untwisted_signature_functions(range_tuple=(_sage_const_1 , _sage_const_10 )):
-    P = Primes()
-    for i in range(*range_tuple):
-        q = P.unrank(i)
-        a = cs.CableSummand.get_untwisted_signature_function(q=q)
-        a.plot()
-
-
-if __name__ == '__main__':
-    if '__file__' in globals():
-        # skiped in interactive mode as __file__ is not defined
-        main(sys.argv)
-    else:
-        pass
-        # main()
-
-
-# formula_long = "[[k[0], k[5], k[3]], " + \
-#                   "[-k[5], -k[3]], " + \
-#                    "[k[2], k[3]], " + \
-#             "[-k[4], -k[2], -k[3]]" + \
-#             "[k[4], k[1], k[7]], " + \
-#                   "[-k[1], -k[7]], " + \
-#                    "[k[6], k[7]], " + \
-#             "[-k[0], -k[6], -k[7]]]"
-#
-#
-# formula_1 = "[[k[0], k[5], k[3]], " + \
-#                   "[-k[1], -k[3]], " + \
-#                          "[ k[3]], " + \
-#             "[-k[4], -k[6], -k[3]]]"
-#
-# formula_2 = "[[k[4], k[1], k[7]], " + \
-#                        "[ -k[7]], " + \
-#                    "[k[6], k[7]], " + \
-#             "[-k[0], -k[5], -k[7]]]"
-#
-#
-
diff --git a/gaknot/signature.py b/gaknot/signature.py
deleted file mode 100644
index a6292da..0000000
--- a/gaknot/signature.py
+++ /dev/null
@@ -1,385 +0,0 @@
-
-
-# This file was *autogenerated* from the file /home/maria/signature_function/gaknot/signature.sage
-from sage.all_cmdline import *   # import sage library
-
-_sage_const_0 = Integer(0); _sage_const_1 = Integer(1); _sage_const_2 = Integer(2); _sage_const_36 = Integer(36); _sage_const_10 = Integer(10); _sage_const_5 = Integer(5); _sage_const_0p3 = RealNumber('0.3'); _sage_const_0p7 = RealNumber('0.7'); _sage_const_0p05 = RealNumber('0.05'); _sage_const_4 = Integer(4); _sage_const_3 = Integer(3)#!/usr/bin/env sage -python
-
-from collections import Counter
-import matplotlib.pyplot as plt
-import inspect
-from PIL import Image
-from pathlib import Path
-import warnings
-from .utility import mod_one
-
-# 9.11 (9.8)
-# 9.15 (9.9)
-import sys
-import os
-
-
-JUPYTER = 'ipykernel'
-IPy_TERMINAL = 'IPython'
-
-def get_ipython_info():
-    if JUPYTER in sys.modules:
-        return JUPYTER
-    elif IPy_TERMINAL in sys.modules:
-        return IPy_TERMINAL
-    return False
-
-global ipython_info
-ipython_info = get_ipython_info()
-
-
-class SignatureFunction:
-
-    def __init__(self, values=None, counter=None, plot_title=''):
-
-        # counter of signature jumps
-        if counter is None:
-            counter = Counter()
-            values = values or []
-            for k, v in values:
-                counter[k] += v
-
-        counter = Counter({k : v for k, v in counter.items() if v != _sage_const_0 })
-        if any(k >= _sage_const_1  for k in counter.keys()):
-                msg = "Signature function is defined on the interval [0, 1)."
-                raise ValueError(msg)
-
-        counter[_sage_const_0 ] += _sage_const_0 
-        counter[_sage_const_1 ] += _sage_const_0 
-        self.jumps_counter = counter
-        self.plot_title = plot_title
-
-    def __rshift__(self, shift):
-        # A shift of the signature functions corresponds to the rotation.
-        counter = Counter({mod_one(k + shift) : v \
-                          for k, v in self.jumps_counter.items()})
-        return SignatureFunction(counter=counter)
-
-    def __lshift__(self, shift):
-        return self.__rshift__(-shift)
-
-    def __neg__(self):
-        counter = Counter()
-        counter.subtract(self.jumps_counter)
-        return SignatureFunction(counter=counter)
-
-    def __add__(self, other):
-        counter = copy(self.jumps_counter)
-        counter.update(other.jumps_counter)
-        if self.plot_title and other.plot_title:
-            title = self.plot_title + " + " + other.plot_title
-        else:
-            title = self.plot_title or other.plot_title
-        return SignatureFunction(counter=counter, plot_title=title)
-
-    def __sub__(self, other):
-        counter = copy(self.jumps_counter)
-        counter.subtract(other.jumps_counter)
-        return SignatureFunction(counter=counter)
-
-    def __mul__(self, number):
-        # scalar multiplication
-        counter = Counter({k : number * v \
-                          for k, v in self.jumps_counter.items()})
-        return SignatureFunction(counter=counter)
-
-    def __rmul__(self, number):
-        return(self.__mul__(number))
-
-    def __eq__(self, other):
-        return self.jumps_counter == other.jumps_counter
-
-    def __str__(self):
-        result = ''.join([str(jump_arg) + ": " + str(jump) + "\n"
-                for jump_arg, jump in sorted(self.jumps_counter.items())])
-        return result
-
-    def __repr__(self):
-        result = ''.join([str(jump_arg) + ": " + str(jump) + ", "
-                for jump_arg, jump in sorted(self.jumps_counter.items())])
-        return result[:-_sage_const_2 ] + "."
-
-    def __call__(self, arg):
-        # return the value of the signature function at the point arg, i.e.
-        # sum of all signature jumps that occur before arg
-        items = self.jumps_counter.items()
-        result = [jump for jump_arg, jump in items if jump_arg < mod_one(arg)]
-        return _sage_const_2  * sum(result) + self.jumps_counter[arg]
-
-    def double_cover(self):
-        # to read values for t^2
-        items = self.jumps_counter.items()
-        counter = Counter({(_sage_const_1  + k) / _sage_const_2  : v for k, v in items})
-        counter.update(Counter({k / _sage_const_2  : v for k, v in items}))
-        return SignatureFunction(counter=counter)
-
-    def square_root(self):
-        # to read values for t^(1/2)
-        counter = Counter()
-        for jump_arg, jump in self.jumps_counter.items():
-            if jump_arg < _sage_const_1 /_sage_const_2 :
-                counter[_sage_const_2  * jump_arg] = jump
-        return SignatureFunction(counter=counter)
-
-    def minus_square_root(self):
-        # to read values for t^(1/2)
-        items = self.jumps_counter.items()
-        counter = Counter({mod_one(_sage_const_2  * k) : v for k, v in items if k >= _sage_const_1 /_sage_const_2 })
-        return SignatureFunction(counter=counter)
-
-    def is_zero_everywhere(self):
-        return not any(self.jumps_counter.values())
-
-    def extremum(self, limit=math.inf):
-        max_point = (_sage_const_0 , _sage_const_0 )
-        current = _sage_const_0 
-        items = sorted(self.jumps_counter.items())
-        for arg, jump in items:
-            current += _sage_const_2  * jump
-            assert current == self(arg) + jump
-            if abs(current) > abs(max_point[_sage_const_1 ]):
-                max_point  = (arg, current)
-                if abs(current) > limit:
-                    break
-        return max_point
-
-    def total_sign_jump(self):
-        # Total signature jump is the sum of all jumps.
-        return sum([j[_sage_const_1 ] for j in sorted(self.jumps_counter.items())])
-
-    def plot(self, *args, **kargs):
-        SignaturePloter.plot(self, *args, **kargs)
-
-
-class SignaturePloter:
-
-    @classmethod
-    def plot_many(cls, *sf_list, save_path=None, title='', cols=None):
-
-        axes_num = len(sf_list)
-        if axes_num > _sage_const_36 :
-            sf_list = sf_list[_sage_const_36 ]
-            axes_num = _sage_const_36 
-            msg = "To many functions for the plot were given. "
-            msg += "Only 36 can be plotted "
-            warnings.warn(msg)
-
-            # print war, set val in conf
-        cols = cols or ceil(sqrt(axes_num))
-        rows = ceil(axes_num/cols)
-        fig, axes_matrix = plt.subplots(rows, cols,
-                                        sharex='col', sharey='row',
-                                        gridspec_kw={'hspace': _sage_const_0 , 'wspace': _sage_const_0 },
-                                        # sharey=True,
-                                        # sharex=True,
-                                        )
-        for i, sf in enumerate(sf_list):
-            col = i % cols
-            row = (i - col)/cols
-            sf.plot(subplot=True,
-                     ax=axes_matrix[row][col],
-                     title=sf.plot_title)
-
-        fig.suptitle(title)
-        plt.tight_layout()
-
-        cls.show_and_save(save_path)
-
-    @classmethod
-    def plot_sum_of_two(cls, sf1, sf2, save_path=None, title=''):
-
-        sf = sf1 + sf2
-        fig, axes_matrix = plt.subplots(_sage_const_2 , _sage_const_2 , sharey=True, figsize=(_sage_const_10 ,_sage_const_5 ))
-
-        sf1.plot(subplot=True,
-                 ax=axes_matrix[_sage_const_0 ][_sage_const_1 ])
-
-        sf2.plot(subplot=True,
-                ax=axes_matrix[_sage_const_1 ][_sage_const_0 ],
-                color='red',
-                linestyle='dotted')
-
-        sf.plot(subplot=True,
-                ax=axes_matrix[_sage_const_0 ][_sage_const_0 ],
-                color='black')
-
-        sf1.plot(subplot=True,
-                ax=axes_matrix[_sage_const_1 ][_sage_const_1 ],
-                alpha=_sage_const_0p3 )
-
-        sf2.plot(subplot=True,
-                ax=axes_matrix[_sage_const_1 ][_sage_const_1 ],
-                color='red', alpha=_sage_const_0p3 ,
-                linestyle='dotted')
-
-        sf.plot(subplot=True,
-                ax=axes_matrix[_sage_const_1 ][_sage_const_1 ],
-                color='black',
-                alpha=_sage_const_0p7 ,)
-
-        fig.suptitle(title)
-        plt.tight_layout()
-
-        cls.show_and_save(save_path)
-
-    @classmethod
-    def plot(cls, sf, subplot=False, ax=None,
-             save_path=None,
-             title='',
-             alpha=_sage_const_1 ,
-             color='blue',
-             linestyle='solid',
-             special_point=None,
-             special_label='',
-             extraticks=None,
-             ylabel=''):
-
-        if ax is None:
-            fig, ax = plt.subplots(_sage_const_1 , _sage_const_1 )
-
-        keys = sorted(sf.jumps_counter.keys())
-        y = [(sf(k) + sf.jumps_counter[k]) for k in keys[:-_sage_const_1 ]]
-        xmax = keys[_sage_const_1 :]
-        xmin = keys[:-_sage_const_1 ]
-
-        ax.set(ylabel=ylabel)
-        ax.set(title=title)
-        ax.hlines(y, xmin, xmax, color=color, linestyle=linestyle, alpha=alpha)
-        if special_point is not None:
-            arg, val = special_point
-            extraticks = extraticks or []
-            plt.xticks(list(plt.xticks()[_sage_const_0 ]) + extraticks)
-            ext = sf.extremum()[_sage_const_1 ]
-            ytext = ext/_sage_const_2  + _sage_const_1 /_sage_const_2 
-            xtext = arg + _sage_const_1 /_sage_const_5 
-
-            ax.annotate(special_label, xy=(arg, val), xytext=(xtext, ytext),
-                        arrowprops=dict(facecolor='black', shrink=_sage_const_0p05 ,
-                                        alpha=_sage_const_0p7 , width=_sage_const_2 ),)
-        if subplot:
-            return ax
-
-        cls.show_and_save(save_path)
-
-    @staticmethod
-    def show_and_save(save_path):
-
-        if save_path is not None:
-            save_path = Path(save_path)
-            save_path = save_path.with_suffix('.png')
-            plt.savefig(save_path)
-
-        if ipython_info == JUPYTER:
-            plt.show()
-
-        elif True:  # save_path is None:
-            plt.savefig('tmp.png')
-            plt.close()
-            image = Image.open('tmp.png')
-            image.show()
-            # msg = "For interactive shell set save_path."
-            # warnings.warn(msg)
-
-    @staticmethod
-    def step_function_data(sf):
-        # Transform the signature jump data to a format understandable
-        # by the plot function.
-        result = [(k, sf.sf(k) + sf.jumps_counter[k])
-                 for k in sorted(sf.jumps_counter.keys())]
-        return result
-
-    @staticmethod
-    def tikz_plot(sf, save_as):
-        plt_sin = plot(sin(x), (x, _sage_const_0 , _sage_const_2 *pi))
-        # plt_sin.show()
-        plt_sin.save("MyPic.pdf")
-
-        return
-        # Draw the graph of the signature and transform it into TiKz.
-        # header of the LaTeX file
-        head = inspect.cleandoc(
-            r"""
-            \documentclass{standalone}
-            \usepackage{tikz}
-            \usetikzlibrary{calc}
-            \begin{document}
-            \begin{tikzpicture}
-            """)
-
-        body = \
-            r"""
-            %A piecewise linear function is drawn over the interval.
-            \draw (5,0) -- (6,-4);
-            %The axes are drawn.
-            \draw[latex-latex] ($(0,{-4*(2/5)}) +(0pt,-12.5pt)$) --
-            ($(0,{4*(2/5)}) +(0pt,12.5pt)$) node[above right]{$y$};
-            \draw[latex-latex] ($({-4*(2/5)},0) +(-12.5pt,0pt)$) --
-            ($({12*(2/5)},0) +(12.5pt,0pt)$) node[below right]{$x$};
-            """
-        tail = \
-            r"""
-            \end{tikzpicture}
-            \end{document}
-            """
-        tikzpicture = re.sub(r' +', ' ', ''.join([head, body, tail]))
-        tikzpicture = re.sub(r'\n ', '\n', tikzpicture)
-
-        with open("tmp.tex", "w") as f:
-            f.write(tikzpicture)
-
-        data = self.step_function_data()
-        with open(save_as, "w") as f:
-            head = \
-                r"""
-                \documentclass[tikz]{{standalone}}
-                %\usepackage{{tikz}}
-                \usetikzlibrary{{datavisualization}}
-                \usetikzlibrary{{datavisualization.formats.functions}}
-                %\usetikzlibrary{{calc}}
-                \begin{{document}}
-                \begin{{tikzpicture}}
-                \datavisualization[scientific axes, visualize as smooth line,
-                x axis={{ticks={{none,major={{at={{, {arg0} " as \\( {val0} \\
-                %]
-                """.format(arg0=str(N(data[_sage_const_0 ][_sage_const_0 ] ,digits=_sage_const_4 )), val0=str(data[_sage_const_0 ][_sage_const_0 ]))
-            f.write(head)
-
-
-            # f.write(", " + str(N(data[0][0],digits=4)) + " as \\(" + \
-            #                          str(data[0][0]) + "\\)")
-            for jump_arg, jump  in data[_sage_const_1 :_sage_const_3 ]:
-                f.write(", " + str(N(jump_arg,digits=_sage_const_4 )) +
-                        " as \\(" + str(jump_arg) + "\\)")
-            f.write("}}}}\n")
-            f.write("  ]\n")
-            f.write("data [format=function]{\n")
-            f.write("var x : interval [0:1];\n")
-            f.write("func y = \\value x;\n")
-            f.write("};\n")
-                # close LaTeX enviroments
-            tail = \
-                r"""
-                %};
-                \end{tikzpicture}
-                \end{document}
-                """
-            f.write(tail)
-
-
-SignatureFunction.__doc__ = \
-    """
-    This simple class encodes twisted and untwisted signature functions
-    of knots. Since the signature function is entirely encoded by its signature
-    jump, the class stores only information about signature jumps
-    in a dictionary self.jumps_counter.
-    The dictionary stores data of the signature jump as a key/values pair,
-    where the key is the argument at which the functions jumps
-    and value encodes the value of the jump. Remember that we treat
-    signature functions as defined on the interval [0,1).
-    """
-