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#!/usr/bin/env python3
"""
This example demonstrates several features of PyLaTeX.
It includes plain equations, tables, equations using numpy objects, tikz plots,
and figures.
.. :copyright: (c) 2014 by Jelte Fennema.
:license: MIT, see License for more details.
"""
# begin-doc-include
import os
import numpy as np
from pylatex import (
Alignat,
Axis,
Document,
Figure,
Math,
Matrix,
Plot,
Section,
Subsection,
Tabular,
TikZ,
)
from pylatex.utils import italic
if __name__ == "__main__":
image_filename = os.path.join(os.path.dirname(__file__), "kitten.jpg")
geometry_options = {"tmargin": "1cm", "lmargin": "10cm"}
doc = Document(geometry_options=geometry_options)
with doc.create(Section("The simple stuff")):
doc.append("Some regular text and some")
doc.append(italic("italic text. "))
doc.append("\nAlso some crazy characters: $&#{}")
with doc.create(Subsection("Math that is incorrect")):
doc.append(Math(data=["2*3", "=", 9]))
with doc.create(Subsection("Table of something")):
with doc.create(Tabular("rc|cl")) as table:
table.add_hline()
table.add_row((1, 2, 3, 4))
table.add_hline(1, 2)
table.add_empty_row()
table.add_row((4, 5, 6, 7))
a = np.array([[100, 10, 20]]).T
M = np.matrix([[2, 3, 4], [0, 0, 1], [0, 0, 2]])
with doc.create(Section("The fancy stuff")):
with doc.create(Subsection("Correct matrix equations")):
doc.append(Math(data=[Matrix(M), Matrix(a), "=", Matrix(M * a)]))
with doc.create(Subsection("Alignat math environment")):
with doc.create(Alignat(numbering=False, escape=False)) as agn:
agn.append(r"\frac{a}{b} &= 0 \\")
agn.extend([Matrix(M), Matrix(a), "&=", Matrix(M * a)])
with doc.create(Subsection("Beautiful graphs")):
with doc.create(TikZ()):
plot_options = "height=4cm, width=6cm, grid=major"
with doc.create(Axis(options=plot_options)) as plot:
plot.append(Plot(name="model", func="-x^5 - 242"))
coordinates = [
(-4.77778, 2027.60977),
(-3.55556, 347.84069),
(-2.33333, 22.58953),
(-1.11111, -493.50066),
(0.11111, 46.66082),
(1.33333, -205.56286),
(2.55556, -341.40638),
(3.77778, -1169.24780),
(5.00000, -3269.56775),
]
plot.append(Plot(name="estimate", coordinates=coordinates))
with doc.create(Subsection("Cute kitten pictures")):
with doc.create(Figure(position="h!")) as kitten_pic:
kitten_pic.add_image(image_filename, width="120px")
kitten_pic.add_caption("Look it's on its back")
doc.generate_pdf("full", clean_tex=False)
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