Bullet Styling

Cookbook

Bullet Styling

Use this when: You need to recolor a bullet chart’s own qualitative-range band (light-to-dark gray by default) to a tint that matches a report’s palette, and thicken the measure bar drawn over it for better contrast.

Bullet Styling

Usage

from dataviz import save, bullet
from dataviz.core.colors import ALICEBLUE, STEELBLUE
from dataviz.core.theme import Theme


def main() raises:
    var categories: List[String] = ["Revenue", "Profit Margin"]
    var measures: List[Float64] = [275.0, 18.0]
    var targets: List[Float64] = [300.0, 20.0]
    var ranges: List[List[Float64]] = [
        [200.0, 260.0, 340.0],
        [10.0, 16.0, 24.0],
    ]

    var plot = bullet(
        categories,
        measures,
        targets,
        ranges,
        theme=Theme(
            bullet_range_color_light=ALICEBLUE,
            bullet_range_color_dark=STEELBLUE,
        ),
        measure_width_fraction=0.55,
        title="KPI Progress",
    )
    save(plot, "docs/src/examples/out_bullet_styling.svg")

Related recipes: Continuous Legend Size · Half-Circle Gauge

Relevant API: Theme · OutputFormat

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