X2762

SR(X107, X109)

X2762 = reflection of X2732 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) { 2732, 3 }: Central Line L(2732, 3) { 107, 522 }: Central Line L(107, 522) { 109, 520 }: Central Line L(109, 520) { 108, 656 }: Central Line L(108, 656) { 112, 652 }: Central Line L(112, 652) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2732 = SR(X(102), X(107)) (0.3259, -0.3776) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_107 = Ψ(SYMMEDIAN POINT, ORTHOCENTER) (0.5733, 0.6071) X_522 = ISOGONAL CONJUGATE OF X(109) (-0.0318, 0.3430) X_109 = Ψ(INCENTER, CIRCUMCENTER) (0.3636, 0.5938) X_520 = ISOGONAL CONJUGATE OF X(107) (-0.0490, 0.2227) X_108 = Ψ(CIRCUMCENTER, INCENTER) (0.5320, 0.6114) X_656 = CROSSDIFFERENCE OF X(1) AND X(19) (7.5714, -0.8554) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_652 = CROSSDIFFERENCE OF X(1) AND X(4) (7.2558, -0.6836) X_2762 = SR(X(107), X(109)) (0.6741, 0.5818) A B C X2732 X3 X107 X522 X109 X520 X108 X656 X112 X652 X2762 (a, b, c) = (5, 6, 7) | AB = 1

X2762 (SR(X107, X109)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2762 = SR(X_107, X_109)."""

        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_02762(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2762 = SR(X_107, X_109) on reference triangle ABC."""
            X_2732 = point_from_barycentrics(model, A, B, C, 0.91816265, 0.7113824, -0.62954505, ID="X_2732", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            X_2762 = reflection_in_point(model, X_2732, X_3, ID="X_2762", classes=["selected", "target"], guide=False)
            X_107 = eval_trilinear_point(model, A, B, C, '1/(cos(A)*(sin(2*B) - sin(2*C)))', ID="X_107", classes=["center", "incident"])
            X_522 = eval_trilinear_point(model, A, B, C, '(cos(B) - cos(C))*(csc(A))', ID="X_522", classes=["center", "incident"])
            central_line(model, X_107, X_522, 107, 522, incident=True)
            X_109 = eval_trilinear_point(model, A, B, C, 'a/(cos(B) - cos(C))', ID="X_109", 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_109, X_520, 109, 520, incident=True)
            X_108 = eval_trilinear_point(model, A, B, C, 'a/(sec(B) - sec(C))', ID="X_108", classes=["center", "incident"])
            X_656 = eval_trilinear_point(model, A, B, C, 'tan(B) - tan(C)', ID="X_656", classes=["center", "incident"])
            central_line(model, X_108, X_656, 108, 656, incident=True)
            return promote_point_to_top(model, X_2762)


        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_2762 on the given reference triangle."""
            model = create_model('X_2762 = SR(X_107, X_109)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02762(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-02762.json"))
            write_center_svg(
                model_acute,
                here / "x-02762.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )