def test_with_INLINE_resources(self) -> None:
from latex_label import LatexLabel
plot = Plot()
plot.add_layout(LatexLabel())
bundle = beb.bundle_for_objs_and_resources([plot], "inline")
assert len(bundle.js_raw) == 3
assert "class LatexLabelView" in bundle.js_raw[2]
def test_with_CDN_resources(self) -> None:
from latex_label import LatexLabel
plot = Plot()
plot.add_layout(LatexLabel())
bundle = beb.bundle_for_objs_and_resources([plot], "cdn")
assert len(bundle.js_files) == 2
assert bundle.js_files[1] == "https://unpkg.com/latex_label@^0.0.1/dist/latex_label.js"
def test_with_Server_resources(self) -> None:
from latex_label import LatexLabel
plot = Plot()
plot.add_layout(LatexLabel())
bundle = beb.bundle_for_objs_and_resources([plot], "server")
assert len(bundle.js_files) == 2
assert bundle.js_files[1] == "http://localhost:5006/static/extensions/latex_label/latex_label.js"
def test_with_Server_resources_dev(self) -> None:
from latex_label import LatexLabel
plot = Plot()
plot.add_layout(LatexLabel())
with envset(BOKEH_RESOURCES="server", BOKEH_DEV="true"):
bundle = beb.bundle_for_objs_and_resources([plot], "server")
assert len(bundle.js_files) == 2
assert bundle.js_files[1] == "http://localhost:5006/static/extensions/latex_label/latex_label.js"
def test_with_Server_resources(self) -> None:
from latex_label import LatexLabel
plot = Plot()
plot.add_layout(LatexLabel())
bundle = beb.bundle_for_objs_and_resources([plot], "server")
version_hash = "6b13789e43e5485634533de16a65d8ba9d34c4c9758588b665805435f80eb115"
assert len(bundle.js_files) == 2
assert (bundle.js_files[1] ==
f"http://localhost:5006/static/extensions/latex_label/latex_label.js?v={version_hash}")
def _setup_formulas(self):
label = LatexLabel(self)
label.latex_text = (r'$' +
r'B_W(E\lambda) = \left(\frac{1}{4\pi}\right)' +
r'\left[ \frac{3}{3+\lambda} \right]^2' +
r'(1.2A^{1/3})^{2\lambda}' +
r'e^2\ \mathrm{fm}^{2\lambda}' + r'$')
fill_placeholder(self.ui.disp_b_e_lambda, label)
label = LatexLabel(self)
label.latex_text = (r'$' +
r'B_W(M\lambda) = \left(\frac{10}{\pi}\right)' +
r'\left[ \frac{3}{3+\lambda} \right]^2' +
r'(1.2A^{1/3})^{2\lambda - 2}' +
r'\mu_N^2\ \mathrm{fm}^{2\lambda - 2}' + r'$')
fill_placeholder(self.ui.disp_b_m_lambda, label)
lambd, A, e, fm, mu_N = sympy.symbols('lambda A e fm mu_N')
one = sympy.S(1)
pi = sympy.pi
self.subs_elambda = LatexLabel(self)
fill_placeholder(self.ui.disp_subs_elambda, self.subs_elambda)
self.subs_all = LatexLabel(self)
fill_placeholder(self.ui.disp_subs_all, self.subs_all)
self.disp_e_fm = LatexLabel(self)
fill_placeholder(self.ui.output_e_fm, self.disp_e_fm)
self.disp_wu = LatexLabel(self)
fill_placeholder(self.ui.output_wu, self.disp_wu)
self.base_formula = {
'E': (3 / (3 + lambd))**2 / (4 * pi) *
(1.2 * A**(one / 3))**(2 * lambd) * e**2 * fm**(2 * lambd),
'M': (3 / (3 + lambd))**2 * (10 / pi) *
(1.2 * A**(one / 3))**(2 * lambd - 2) * mu_N**2 *
fm**(2 * lambd - 2),
}
from latex_label import LatexLabel
build("latex_label")
output_file('latex_extension.html')
p = figure(title="LaTex Extension Demonstration", plot_width=800, plot_height=350,
background_fill_color="#fafafa")
p.x_range.range_padding = 0
x = np.arange(0.0, 20.0, 0.02)
for i, n in enumerate([0, 1, 4, 7]):
p.line(x, jv(n, x), line_width=3, color=Spectral4[i], alpha=0.8, legend_label="𝜈=%d" % n)
text = r"""
\text{Bessel Functions of the First Kind: }
J_\nu = \sum_{m=0}^{\infty}\frac{(-1)^m}{m!\ \Gamma(m+\nu+1)}
\left(\frac{x}{2}\right)^{2m+\nu}
"""
latex = LatexLabel(text=text, x=4.5, y=250,
x_units='data', y_units='screen',
render_mode='css', text_font_size='8pt',
background_fill_color="white", border_line_color="lightgrey")
p.add_layout(latex)
show(p)
background_fill_color="#fafafa")
p.x_range.range_padding = 0
x = np.arange(0.0, 20.0, 0.02)
for i, n in enumerate([0, 1, 4, 7]):
p.line(x,
jv(n, x),
line_width=3,
color=Spectral4[i],
alpha=0.8,
legend_label="𝜈=%d" % n)
text = r"""
\text{Bessel Functions of the First Kind: }
J_\nu = \sum_{m=0}^{\infty}\frac{(-1)^m}{m!\ \Gamma(m+\nu+1)}
\left(\frac{x}{2}\right)^{2m+\nu}
"""
latex = LatexLabel(text=text,
x=4.5,
y=250,
x_units='data',
y_units='screen',
render_mode='css',
text_font_size='11px',
border_line_color="lightgrey")
p.add_layout(latex)
show(p)
import numpy as np
from bokeh.plotting import figure, show
from latex_label import LatexLabel
x = np.arange(0.0, 1.0 + 0.01, 0.01)
y = np.cos(2 * 2 * np.pi * x) + 2
p = figure(title="LaTex Demonstration", plot_width=500, plot_height=500)
p.line(x, y)
# Note: must set ``render_mode="css"``
latex = LatexLabel(text="f = \sum_{n=1}^\infty\\frac{-e^{i\pi}}{2^n}!",
x=40,
y=445,
x_units='screen',
y_units='screen',
render_mode='css',
text_font_size='16pt',
background_fill_alpha=0)
p.add_layout(latex)
show(p)