Save source and render independently#

Save the expanded .lay file and its resource directory to render again without Notebook or Python.

Prepare the environment#

1python -m pip install laymesh

python -m pip install laymesh

Save layout and data#

1from laymesh import render_source2import numpy as np3import pandas as pd4 5x = np.linspace(0, 2 * np.pi, 33)6df = pd.DataFrame({"x": x, "y": np.sin(x)})7source = r"""8page = canvas(size=(120 mm, 90 mm), background="#ffffff")9d = {{df}}10p = plot(size=(110 mm, 80 mm), plot_area=box(offset=(20 mm, 10 mm), size=(80 mm, 55 mm)),11         x=axis(label="x", range=(0, 7)), y=axis(label="sin(x)", range=(-1.2, 1.2)),12         style=plot_style(font_family="DejaVu Sans", font_size=8 pt))13p.line(x=d["x"], y=d["y"], color="#0072B2")14page.add(p, offset=(5 mm, 5 mm))15"""16result = render_source(source, namespace={"df": df},17                       output="native.pdf", save_source="native.lay")18print(result.output)

from laymesh import render_source
import numpy as np
import pandas as pd

x = np.linspace(0, 2 * np.pi, 33)
df = pd.DataFrame({"x": x, "y": np.sin(x)})
source = r"""
page = canvas(size=(120 mm, 90 mm), background="#ffffff")
d = {{df}}
p = plot(size=(110 mm, 80 mm), plot_area=box(offset=(20 mm, 10 mm), size=(80 mm, 55 mm)),
         x=axis(label="x", range=(0, 7)), y=axis(label="sin(x)", range=(-1.2, 1.2)),
         style=plot_style(font_family="DejaVu Sans", font_size=8 pt))
p.line(x=d["x"], y=d["y"], color="#0072B2")
page.add(p, offset=(5 mm, 5 mm))
"""
result = render_source(source, namespace={"df": df},
                       output="native.pdf", save_source="native.lay")
print(result.output)

System font names are convenient for a quick start; bundle a font file for reproducible rendering across machines. JSON files in native.assets/ use content hashes.

Render independently#

1laymesh render native.lay -o native.svg2laymesh render native.lay -o native.png --dpi 3003laymesh inspect native.lay --json

laymesh render native.lay -o native.svg
laymesh render native.lay -o native.png --dpi 300
laymesh inspect native.lay --json

Preserve relative locations of the .lay file, .assets directory, referenced .lcss stylesheets, modules and fonts. These commands invoke only the Rust CLI. Share the resources together with the layout.

Python/Jupyter · Matplotlib

workflow#

Complete sources and executable verification fixtures for this workflow are listed in the feature coverage map. Follow this page’s input conditions and limits when composing features.