X2729

SR(X101, X111)

X2729 = reflection of X2740 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) { 2740, 3 }: Central Line L(2740, 3) { 101, 524 }: Central Line L(101, 524) { 111, 514 }: Central Line L(111, 514) { 86, 691 }: Central Line L(86, 691) { 103, 1499 }: Central Line L(103, 1499) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2740 = SR(X(103), X(111)) (0.9423, -0.1525) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_524 = ISOGONAL CONJUGATE OF X(111) (0.1376, -0.2297) X_111 = PARRY POINT (0.9885, -0.0457) X_514 = ISOGONAL CONJUGATE OF X(101) (1.0761, -0.0329) X_86 = CEVAPOINT OF INCENTER AND CENTROID (0.5534, 0.2171) X_691 = TRILINEAR POLE OF LINE X(6)X(110) (1.0101, 0.0886) X_103 = ANTIPODE OF X(101) (0.7857, -0.3208) X_1499 = POINT BIHAM (0.1078, 0.5997) X_2729 = SR(X(101), X(111)) (0.0577, 0.3566) A B C X2740 X3 X101 X524 X111 X514 X86 X691 X103 X1499 X2729 (a, b, c) = (5, 6, 7) | AB = 1

X2729 (SR(X101, X111)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2729 = SR(X_101, X_111)."""

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


        def construct_x_02729(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2729 = SR(X_101, X_111) on reference triangle ABC."""
            X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center"])
            X_524 = eval_trilinear_point(model, A, B, C, '(2*a**(2) - b**(2) - c**(2))/a', ID="X_524", classes=["center"])
            X_111 = eval_trilinear_point(model, A, B, C, 'a/(2*a**(2) - b**(2) - c**(2))', ID="X_111", classes=["center"])
            X_514 = eval_trilinear_point(model, A, B, C, '(b - c)/a', ID="X_514", classes=["center"])
            central_line(model, X_101, X_524, 101, 524)
            central_line(model, X_111, X_514, 111, 514)
            X_2729 = intersect_lines(model, X_101, X_524, X_111, X_514, ID="X_2729", classes=["selected", "target"])
            X_86 = eval_trilinear_point(model, A, B, C, 'b*c/(b + c)', ID="X_86", classes=["center", "incident"])
            X_691 = eval_trilinear_point(model, A, B, C, 'a/((b**(2) - c**(2))*(2*a**(2) - b**(2) - c**(2)))', ID="X_691", classes=["center", "incident"])
            central_line(model, X_86, X_691, 86, 691, incident=True)
            return promote_point_to_top(model, X_2729)


        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_2729 on the given reference triangle."""
            model = create_model('X_2729 = SR(X_101, X_111)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02729(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-02729.json"))
            write_center_svg(
                model_acute,
                here / "x-02729.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )