X432

EULER X155-6th-SUBSTITUTION POINT

< A B C >: Reference Triangle △ABC [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 2, 3 }: Euler Line A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2 = CENTROID (0.5374, 0.2000) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_4 = ORTHOCENTER (0.6122, 0.3958) X_432 = EULER X(155)-6th-SUBSTITUTION POINT (0.6045, 0.3755) A B C X2 X3 X4 X432 (a, b, c) = (5, 6, 7) | AB = 1

X432 (EULER X155-6th-SUBSTITUTION POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_432 = EULER X_155-6th-SUBSTITUTION POINT."""

        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,
            centroid_of,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00432(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_432 = EULER X_155-6th-SUBSTITUTION POINT on reference triangle ABC."""
            X_432 = eval_barycentric_point(model, A, B, C, '(a**(2) + b**(2) - c**(2)) * (a**(2) - b**(2) + c**(2)) * (a**(16)*b**(2) - 8*a**(14)*b**(4) + 28*a**(12)*b**(6) - 56*a**(10)*b**(8) + 70*a**(8)*b**(10) - 56*a**(6)*b**(12) + 28*a**(4)*b**(14) - 8*a**(2)*b**(16) + b**(18) + a**(16)*c**(2) - 4*a**(12)*b**(4)*c**(2) + 8*a**(10)*b**(6)*c**(2) - 34*a**(8)*b**(8)*c**(2) + 80*a**(6)*b**(10)*c**(2) - 84*a**(4)*b**(12)*c**(2) + 40*a**(2)*b**(14)*c**(2) - 7*b**(16)*c**(2) - 8*a**(14)*c**(4) - 4*a**(12)*b**(2)*c**(4) + 32*a**(10)*b**(4)*c**(4) - 20*a**(8)*b**(6)*c**(4) - 40*a**(6)*b**(8)*c**(4) + 100*a**(4)*b**(10)*c**(4) - 80*a**(2)*b**(12)*c**(4) + 20*b**(14)*c**(4) + 28*a**(12)*c**(6) + 8*a**(10)*b**(2)*c**(6) - 20*a**(8)*b**(4)*c**(6) + 32*a**(6)*b**(6)*c**(6) - 44*a**(4)*b**(8)*c**(6) + 88*a**(2)*b**(10)*c**(6) - 28*b**(12)*c**(6) - 56*a**(10)*c**(8) - 34*a**(8)*b**(2)*c**(8) - 40*a**(6)*b**(4)*c**(8) - 44*a**(4)*b**(6)*c**(8) - 80*a**(2)*b**(8)*c**(8) + 14*b**(10)*c**(8) + 70*a**(8)*c**(10) + 80*a**(6)*b**(2)*c**(10) + 100*a**(4)*b**(4)*c**(10) + 88*a**(2)*b**(6)*c**(10) + 14*b**(8)*c**(10) - 56*a**(6)*c**(12) - 84*a**(4)*b**(2)*c**(12) - 80*a**(2)*b**(4)*c**(12) - 28*b**(6)*c**(12) + 28*a**(4)*c**(14) + 40*a**(2)*b**(2)*c**(14) + 20*b**(4)*c**(14) - 8*a**(2)*c**(16) - 7*b**(2)*c**(16) + c**(18))', ID="X_432", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            central_line(model, X_2, X_3, 2, 3)
            return promote_point_to_top(model, X_432)


        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_432 on the given reference triangle."""
            model = create_model('X_432 = EULER X_155-6th-SUBSTITUTION POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00432(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-00432.json"))
            write_center_svg(
                model_acute,
                here / "x-00432.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )