X2706

SR(X98, X107)

X2706 = reflection of X2713 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) { 2713, 3 }: Central Line L(2713, 3) { 107, 450 }: Central Line L(107, 450) { 98, 520 }: Central Line L(98, 520) { 512, 1294 }: Central Line L(512, 1294) { 577, 2715 }: Central Line L(577, 2715) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2713 = SR(X(99), X(107)) (0.9135, 0.4011) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_107 = Ψ(SYMMEDIAN POINT, ORTHOCENTER) (0.5733, 0.6071) X_450 = -HIRST INVERSE OF X(4) (0.8978, 1.1430) X_98 = TARRY POINT (0.8891, -0.2281) X_520 = ISOGONAL CONJUGATE OF X(107) (-0.0490, 0.2227) X_512 = ISOGONAL CONJUGATE OF X(99) (1.0394, -0.1040) X_1294 = COLLINGS TRANSFORM OF X(122) (0.4267, -0.4030) X_577 = HARMONIC OF X(216) (0.4663, 0.0464) X_2715 = SR(X(99), X(112)) (0.9444, 0.3528) X_2706 = SR(X(98), X(107)) (0.0865, -0.1970) A B C X2713 X3 X107 X450 X98 X520 X512 X1294 X577 X2715 X2706 (a, b, c) = (5, 6, 7) | AB = 1

X2706 (SR(X98, X107)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2706 = SR(X_98, X_107)."""

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


        def construct_x_02706(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2706 = SR(X_98, X_107) on reference triangle ABC."""
            X_107 = eval_trilinear_point(model, A, B, C, '1/(cos(A)*(sin(2*B) - sin(2*C)))', ID="X_107", classes=["center"])
            X_450 = eval_trilinear_point(model, A, B, C, '(sec(A))*((cos(A))**(4) - (cos(B)*cos(C))**(2))', ID="X_450", classes=["center"])
            X_98 = eval_trilinear_point(model, A, B, C, 'sec(A +  omega  )', ID="X_98", classes=["center"])
            X_520 = eval_trilinear_point(model, A, B, C, '(cos(A))*(sin(2*B) - sin(2*C))', ID="X_520", classes=["center"])
            central_line(model, X_107, X_450, 107, 450)
            central_line(model, X_98, X_520, 98, 520)
            X_2706 = intersect_lines(model, X_107, X_450, X_98, X_520, ID="X_2706", classes=["selected", "target"])
            X_512 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) - c**(2))', ID="X_512", classes=["center", "incident"])
            X_1294 = eval_barycentric_point(model, A, B, C, '1/(a**(6)*(b**(2) + c**(2)) - a**(4)*(3*b**(4) - 4*b**(2)*c**(2) + 3*c**(4)) + 3*a**(2)*(b**(2) - c**(2))**(2)*(b**(2) + c**(2)) - (b**(2) - c**(2))**(2)*(b**(4) + 4*b**(2)*c**(2) + c**(4)))', ID="X_1294", classes=["center", "incident"])
            central_line(model, X_512, X_1294, 512, 1294, incident=True)
            return promote_point_to_top(model, X_2706)


        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_2706 on the given reference triangle."""
            model = create_model('X_2706 = SR(X_98, X_107)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02706(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-02706.json"))
            write_center_svg(
                model_acute,
                here / "x-02706.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )