Treemap

from dataviz import treemap
from dataviz import save

def main() raises:
    # The same illustrative portfolio used by the sunburst example:
    # annual revenue by product line ($M), grouped into divisions.
    var ids: List[String] = [
        "Portfolio", "Cloud", "Commerce", "Data",
        "Compute", "Storage", "Security",
        "Checkout", "Subscriptions", "Marketplace",
        "Warehouse", "Streaming", "Governance",
    ]
    var parent_ids: List[String] = [
        "", "Portfolio", "Portfolio", "Portfolio",
        "Cloud", "Cloud", "Cloud",
        "Commerce", "Commerce", "Commerce",
        "Data", "Data", "Data",
    ]
    var revenue: List[Int] = [
        0, 0, 0, 0, 48, 31, 24, 42, 28, 19, 36, 22, 14,
    ]

    var c = treemap(
        ids,
        parent_ids,
        revenue,
        title="Illustrative Product Portfolio Revenue ($M)",
    )
    save(c, "docs/src/examples/out_treemap.svg")