Themes

When using a plot generator object, it is possible to specify one of three output themes: light, dark and current.

light theme

The light theme produces plots with a white background and a black foreground color. This is the default theme:

import polars as pl
from pyobsplot import Obsplot, Plot, d3, js

stocks = pl.read_csv("data/stocks.csv", try_parse_dates=True)

Plot.plot(
    {
        "y": {"grid": True},
        "color": {"legend": True},
        "marks": [
            Plot.lineY(
                stocks, {"x": "Date", "y": "Close", "stroke": "Symbol", "tip": True}
            )
        ],
    },
    theme="light"
)

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dark theme

The dark theme produces plots with a black background and a white foreground color.

Plot.plot(
    {
        "y": {"grid": True},
        "color": {"legend": True},
        "marks": [
            Plot.lineY(
                stocks, {"x": "Date", "y": "Close", "stroke": "Symbol", "tip": True}
            )
        ],
    },
    theme="dark"
)

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current theme

The “current” theme uses a transparent background and a currentColor foreground, so it should keep the current color theme:

Plot.plot(
    {
        "y": {"grid": True},
        "color": {"legend": True},
        "marks": [
            Plot.lineY(
                stocks, {"x": "Date", "y": "Close", "stroke": "Symbol", "tip": True}
            )
        ],
    },
    theme="current"
)

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