X250

ISOGONAL CONJUGATE OF X125

< 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) { 23, 232 }: Central Line L(23, 232) { 186, 249 }: Central Line L(186, 249) { 110, 520 }: Central Line L(110, 520) { 325, 340 }: Central Line L(325, 340) { 107, 687 }: Central Line L(107, 687) { 112, 691 }: Central Line L(112, 691) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_125 = CENTER OF JERABEK HYPERBOLA (0.6803, 0.0260) X_23 = FAR-OUT POINT (1.3871, 2.4232) X_232 = -CEVA CONJUGATE OF X(132) (0.6919, 0.7779) X_186 = INVERSE-IN-CIRCUMCIRCLE OF X(4) (0.7957, 0.8758) X_249 = ISOGONAL CONJUGATE OF X(115) (0.5045, 0.3948) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_520 = ISOGONAL CONJUGATE OF X(107) (-0.0490, 0.2227) X_325 = -HIRST INVERSE OF X(69) (-0.3370, -0.7398) X_340 = ISOTOMIC CONJUGATE OF X(265) (1.2317, 1.4188) X_107 = Ψ(SYMMEDIAN POINT, ORTHOCENTER) (0.5733, 0.6071) X_687 = TRILINEAR POLE OF LINE X(4)X(110) (1.3956, -3.1383) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_691 = TRILINEAR POLE OF LINE X(6)X(110) (1.0101, 0.0886) X_250 = ISOGONAL CONJUGATE OF X(125) (0.5892, 0.5347) A B C X125 X23 X232 X186 X249 X110 X520 X325 X340 X107 X687 X112 X691 X250 (a, b, c) = (5, 6, 7) | AB = 1

X250 (ISOGONAL CONJUGATE OF X125) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_250 = ISOGONAL CONJUGATE OF X_125."""

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


        def construct_x_00250(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_250 = ISOGONAL CONJUGATE OF X_125 on reference triangle ABC."""
            X_125 = eval_trilinear_point(model, A, B, C, 'cos(A)*(sin(B - C))**(2)', ID="X_125", classes=["center"])
            X_250 = isogonal_conjugate(model, A, B, C, X_125, ID="X_250", classes=["selected", "target"])
            X_23 = eval_trilinear_point(model, A, B, C, 'a*(b**(4) + c**(4) - a**(4) - b**(2)*c**(2))', ID="X_23", classes=["center", "incident"])
            X_232 = eval_trilinear_point(model, A, B, C, 'tan(A)*cos(A +  omega  )', ID="X_232", classes=["center", "incident"])
            central_line(model, X_23, X_232, 23, 232, incident=True)
            X_186 = eval_trilinear_point(model, A, B, C, '4*cos(A) - sec(A)', ID="X_186", classes=["center", "incident"])
            X_249 = eval_trilinear_point(model, A, B, C, '(csc(A))*(csc(B - C))**(2)', ID="X_249", classes=["center", "incident"])
            central_line(model, X_186, X_249, 186, 249, incident=True)
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
            X_520 = eval_trilinear_point(model, A, B, C, '(cos(A))*(sin(2*B) - sin(2*C))', ID="X_520", classes=["center", "incident"])
            central_line(model, X_110, X_520, 110, 520, incident=True)
            return promote_point_to_top(model, X_250)


        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_250 on the given reference triangle."""
            model = create_model('X_250 = ISOGONAL CONJUGATE OF X_125')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00250(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-00250.json"))
            write_center_svg(
                model_acute,
                here / "x-00250.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )