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X₂₆₁₉¶

CROSSSUM OF PU(72)

X₂₆₁₉ (CROSSSUM OF PU(72)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_2619 = CROSSSUM OF PU(72)."""

        from __future__ import annotations

        from pathlib import Path

        import sympy.geometry as spg
        from geometor.model import Model

        from geometor.etc.ops import (
            central_line,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02619(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2619 = CROSSSUM OF PU(72) on reference triangle ABC."""
            X_2619 = eval_trilinear_point(model, A, B, C, '(tan(A - B)*tan(A - C) - (tan(B - C))**(2))', ID="X_2619", classes=["selected", "target"])
            X_1109 = eval_trilinear_point(model, A, B, C, '(sin(B - C))**(2)', ID="X_1109", classes=["center", "incident"])
            X_2621 = eval_trilinear_point(model, A, B, C, '(1/(tan(A - B)*tan(A - C) + (tan(B - C))**(2)))', ID="X_2621", classes=["center", "incident"])
            central_line(model, X_1109, X_2621, 1109, 2621, incident=True)
            X_2617 = eval_trilinear_point(model, A, B, C, 'cot(B - C)', ID="X_2617", classes=["center", "incident"])
            X_2620 = eval_trilinear_point(model, A, B, C, '(tan(A - B)*tan(A - C) + (tan(B - C))**(2))', ID="X_2620", classes=["center", "incident"])
            central_line(model, X_2617, X_2620, 2617, 2620, incident=True)
            return promote_point_to_top(model, X_2619)


        def build_model(
            sides: tuple[float, float, float] = (5.0, 6.0, 7.0),
            show_guides: bool = False,
        ) -> Model:
            """Build a `geometor.model.Model` for X_2619 on the given reference triangle."""
            model = create_model('X_2619 = CROSSSUM OF PU(72)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02619(model, A, B, C)
            return model


        if __name__ == "__main__":
            here = Path(__file__).resolve().parent
            model_acute = build_model((5.0, 6.0, 7.0))
            model_acute.save(str(here / "x-02619.json"))
            write_center_svg(
                model_acute,
                here / "x-02619.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X2619¶

X₂₆₁₉¶