X2858

SM(X98, X111)

< 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) { 111, 325 }: Central Line L(111, 325) { 323, 729 }: Central Line L(323, 729) { 691, 2396 }: Central Line L(691, 2396) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2872 = ISOGONAL CONJUGATE OF X(2858) (0.5640, -0.3863) X_111 = PARRY POINT (0.9885, -0.0457) X_325 = -HIRST INVERSE OF X(69) (-0.3370, -0.7398) X_323 = ISOTOMIC CONJUGATE OF X(94) (-0.8839, -1.3275) X_729 = EVEN (- 2, 0) CIRCUMCIRCLE POINT (1.0096, 0.1290) X_691 = TRILINEAR POLE OF LINE X(6)X(110) (1.0101, 0.0886) X_2396 = GIBERT-SIMSON TRANSFORM OF X(99) (-8.5185, -6.6572) X_2858 = SM(X(98), X(111)) (0.3432, -0.3836) A B C X2872 X111 X325 X323 X729 X691 X2396 X2858 (a, b, c) = (5, 6, 7) | AB = 1

X2858 (SM(X98, X111)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2858 = SM(X_98, X_111)."""

        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_barycentric_point,
            eval_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02858(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2858 = SM(X_98, X_111) on reference triangle ABC."""
            X_2858 = eval_trilinear_point(model, A, B, C, '(b*c/((b**(2) - c**(2))*(a**(4) + b**(4) + c**(4) - 3*b**(2)*c**(2))))', ID="X_2858", classes=["selected", "target"])
            X_111 = eval_trilinear_point(model, A, B, C, 'a/(2*a**(2) - b**(2) - c**(2))', ID="X_111", classes=["center", "incident"])
            X_325 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)', ID="X_325", classes=["center", "incident"])
            central_line(model, X_111, X_325, 111, 325, incident=True)
            X_323 = eval_trilinear_point(model, A, B, C, 'sin(3*A)*(csc(A))**(2)', ID="X_323", classes=["center", "incident"])
            X_729 = eval_trilinear_point(model, A, B, C, '1/(a**(-3)*(b**(0) + c**(0)) - a **(-1)*(b**(-2) + c **(-2)))', ID="X_729", classes=["center", "incident"])
            central_line(model, X_323, X_729, 323, 729, incident=True)
            X_691 = eval_trilinear_point(model, A, B, C, 'a/((b**(2) - c**(2))*(2*a**(2) - b**(2) - c**(2)))', ID="X_691", classes=["center", "incident"])
            X_2396 = eval_barycentric_point(model, A, B, C, '(b**(4) + c**(4) - a**(2)*b**(2) - a**(2)*c**(2))/(b**(2) - c**(2))', ID="X_2396", classes=["center", "incident"])
            central_line(model, X_691, X_2396, 691, 2396, incident=True)
            return promote_point_to_top(model, X_2858)


        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_2858 on the given reference triangle."""
            model = create_model('X_2858 = SM(X_98, X_111)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02858(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-02858.json"))
            write_center_svg(
                model_acute,
                here / "x-02858.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )