X2207

X2-ISOCONJUGATE OF X326

< 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) { 4, 6 }: Van Aubel Line { 25, 32 }: Central Line L(25, 32) { 24, 112 }: Central Line L(24, 112) { 3, 232 }: Central Line L(3, 232) { 83, 458 }: Central Line L(83, 458) { 297, 315 }: Central Line L(297, 315) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_393 = -CROSS CONJUGATE OF X(4) (0.6247, 0.5263) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_4 = ORTHOCENTER (0.6122, 0.3958) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_24 = PERSPECTOR OF ABC AND ORTHIC-OF-ORTHIC TRIANGLE (0.6627, 0.5278) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_232 = -CEVA CONJUGATE OF X(132) (0.6919, 0.7779) X_83 = CEVAPOINT OF CENTROID AND SYMMEDIAN POINT (0.5651, 0.2360) X_458 = EULER LINE INTERCEPT OF LINE X(76)X(275) (0.5800, 0.3115) X_297 = -HIRST INVERSE OF X(4) (0.8440, 1.0022) X_315 = ISOTOMIC CONJUGATE OF X(66) (0.3323, -0.0666) X_2207 = -ISOCONJUGATE OF X(326) (0.6268, 0.5485) A B C X393 X25 X4 X6 X32 X24 X112 X3 X232 X83 X458 X297 X315 X2207 (a, b, c) = (5, 6, 7) | AB = 1

X2207 (X2-ISOCONJUGATE OF X326) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2207 = X_2-ISOCONJUGATE OF X_326."""

        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,
            ceva_conjugate,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            orthocenter_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02207(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2207 = X_2-ISOCONJUGATE OF X_326 on reference triangle ABC."""
            X_393 = eval_trilinear_point(model, A, B, C, 'b*c*(tan(A))**(2)', ID="X_393", classes=["center"])
            X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center"])
            X_2207 = ceva_conjugate(model, A, B, C, X_393, X_25, ID="X_2207", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_4, X_6, 4, 6, incident=True)
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
            central_line(model, X_25, X_32, 25, 32, incident=True)
            X_24 = eval_trilinear_point(model, A, B, C, 'sec(A)*cos(2*A)', ID="X_24", classes=["center", "incident"])
            X_112 = eval_trilinear_point(model, A, B, C, 'a/(sin(2*B) - sin(2*C))', ID="X_112", classes=["center", "incident"])
            central_line(model, X_24, X_112, 24, 112, incident=True)
            return promote_point_to_top(model, X_2207)


        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_2207 on the given reference triangle."""
            model = create_model('X_2207 = X_2-ISOCONJUGATE OF X_326')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02207(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-02207.json"))
            write_center_svg(
                model_acute,
                here / "x-02207.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )