X526

ISOGONAL CONJUGATE OF X476

< 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) { 110, 351 }: Central Line L(110, 351) { 30, 511 }: Central Line L(30, 511) { 67, 879 }: Central Line L(67, 879) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_476 = TIXIER POINT (0.9824, 0.2685) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_351 = CENTER OF THE PARRY CIRCLE (1.3537, 1.1619) X_30 = EULER INFINITY POINT (0.7469, 0.7481) X_511 = ISOGONAL CONJUGATE OF X(98) (0.2335, -0.3020) X_67 = ISOGONAL CONJUGATE OF X(23) (0.7606, -0.2152) X_879 = ISOTOMIC CONJUGATE OF X(877) (1.2088, 0.0345) X_526 = ISOGONAL CONJUGATE OF X(476) (1.0501, 0.4856) A B C X476 X110 X351 X30 X511 X67 X879 X526 (a, b, c) = (5, 6, 7) | AB = 1

X526 (ISOGONAL CONJUGATE OF X476) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_526 = ISOGONAL CONJUGATE OF X_476."""

        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,
            isogonal_conjugate,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00526(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_526 = ISOGONAL CONJUGATE OF X_476 on reference triangle ABC."""
            X_476 = eval_trilinear_point(model, A, B, C, '1/((1 + 2*cos(2*A))*sin(B - C))', ID="X_476", classes=["center"])
            X_526 = isogonal_conjugate(model, A, B, C, X_476, ID="X_526", classes=["selected", "target"])
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
            X_351 = eval_trilinear_point(model, A, B, C, '(a*(b**(2) - c**(2))*(b**(2) + c**(2) - 2*a**(2)))', ID="X_351", classes=["center", "incident"])
            central_line(model, X_110, X_351, 110, 351, incident=True)
            X_30 = eval_trilinear_point(model, A, B, C, 'cos(A) - 2*cos(B)*cos(C)', ID="X_30", classes=["center", "incident"])
            X_511 = eval_trilinear_point(model, A, B, C, 'cos(A +  omega  )', ID="X_511", classes=["center", "incident"])
            central_line(model, X_30, X_511, 30, 511, incident=True)
            X_67 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(4) + c**(4) - a**(4) - b**(2)*c**(2))', ID="X_67", classes=["center", "incident"])
            X_879 = eval_barycentric_point(model, A, B, C, '(b**(2) - c**(2))*(b**(2) + c**(2) - a**(2))/(b**(4) + c**(4) - a**(2)*b**(2) - a**(2)*c**(2))', ID="X_879", classes=["center", "incident"])
            central_line(model, X_67, X_879, 67, 879, incident=True)
            return promote_point_to_top(model, X_526)


        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_526 on the given reference triangle."""
            model = create_model('X_526 = ISOGONAL CONJUGATE OF X_476')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00526(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-00526.json"))
            write_center_svg(
                model_acute,
                here / "x-00526.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )