X2752

SR(X105, X110)

X2752 = reflection of X2691 in X3
< 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) { 2691, 3 }: Central Line L(2691, 3) { 23, 100 }: Central Line L(23, 100) { 108, 468 }: Central Line L(108, 468) { 105, 523 }: Central Line L(105, 523) { 110, 518 }: Central Line L(110, 518) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2691 = SR(X(74), X(105)) (0.9816, -0.0668) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_23 = FAR-OUT POINT (1.3871, 2.4232) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_108 = Ψ(CIRCUMCENTER, INCENTER) (0.5320, 0.6114) X_468 = -LINE CONJUGATE OF X(3) (0.7498, 0.7558) X_105 = Λ(INCENTER, SYMMEDIAN POINT) (0.9714, -0.0933) X_523 = ISOGONAL CONJUGATE OF X(110) (1.0856, -0.0096) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_518 = ISOGONAL CONJUGATE OF X(105) (0.9154, 0.6489) X_2752 = SR(X(105), X(110)) (0.0184, 0.2709) A B C X2691 X3 X23 X100 X108 X468 X105 X523 X110 X518 X2752 (a, b, c) = (5, 6, 7) | AB = 1

X2752 (SR(X105, X110)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2752 = SR(X_105, X_110)."""

        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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            point_from_barycentrics,
            promote_point_to_top,
            reflection_in_point,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02752(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2752 = SR(X_105, X_110) on reference triangle ABC."""
            X_2691 = point_from_barycentrics(model, A, B, C, 0.061603943, 1.0497312, -0.11133513, ID="X_2691", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            X_2752 = reflection_in_point(model, X_2691, X_3, ID="X_2752", classes=["selected", "target"], guide=False)
            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_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center", "incident"])
            central_line(model, X_23, X_100, 23, 100, incident=True)
            X_108 = eval_trilinear_point(model, A, B, C, 'a/(sec(B) - sec(C))', ID="X_108", classes=["center", "incident"])
            X_468 = eval_trilinear_point(model, A, B, C, '(sec(A))*(cot(B) + cot(C) - 2*cot(A))', ID="X_468", classes=["center", "incident"])
            central_line(model, X_108, X_468, 108, 468, incident=True)
            X_105 = eval_trilinear_point(model, A, B, C, '1/(b**(2) + c**(2) - a*(b + c))', ID="X_105", classes=["center", "incident"])
            X_523 = eval_trilinear_point(model, A, B, C, 'sin(B -C)', ID="X_523", classes=["center", "incident"])
            central_line(model, X_105, X_523, 105, 523, incident=True)
            return promote_point_to_top(model, X_2752)


        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_2752 on the given reference triangle."""
            model = create_model('X_2752 = SR(X_105, X_110)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02752(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-02752.json"))
            write_center_svg(
                model_acute,
                here / "x-02752.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )