X927

ISOGONAL CONJUGATE OF X926

< 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) { 101, 514 }: Central Line L(101, 514) { 103, 516 }: Central Line L(103, 516) { 109, 658 }: Central Line L(109, 658) { 100, 693 }: Central Line L(100, 693) { 7, 840 }: Central Line L(7, 840) { 813, 1025 }: Central Line L(813, 1025) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_926 = CROSSDIFFERENCE OF X(6) AND X(7) (0.0512, -0.1286) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_514 = ISOGONAL CONJUGATE OF X(101) (1.0761, -0.0329) X_103 = ANTIPODE OF X(101) (0.7857, -0.3208) X_516 = ISOGONAL CONJUGATE OF X(103) (0.7703, 0.7386) X_109 = Ψ(INCENTER, CIRCUMCENTER) (0.3636, 0.5938) X_658 = TRILINEAR POLE OF LINE X(1)X(7) (0.3795, 0.5837) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_693 = ISOTOMIC CONJUGATE OF X(100) (-25.8163, 8.9981) X_7 = GERGONNE POINT (0.5903, 0.2769) X_840 = ISOGONAL CONJUGATE OF X(528) (0.0800, 0.3919) X_813 = o-(- 1, 1) CIRCUMCIRCLE POINT (0.9721, -0.0916) X_1025 = INTERSECTION OF LINES X(2)X(7) AND X(100)X(109) (1.0996, 1.0180) X_927 = ISOGONAL CONJUGATE OF X(926) (1.0037, 0.1836) A B C X926 X101 X514 X103 X516 X109 X658 X100 X693 X7 X840 X813 X1025 X927 (a, b, c) = (5, 6, 7) | AB = 1

X927 (ISOGONAL CONJUGATE OF X926) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_927 = ISOGONAL CONJUGATE OF X_926."""

        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_00927(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_927 = ISOGONAL CONJUGATE OF X_926 on reference triangle ABC."""
            X_926 = eval_trilinear_point(model, A, B, C, 'a*(a - b - c)*(b - c)*(a*b + a*c - b**(2) - c**(2))', ID="X_926", classes=["center"])
            X_927 = isogonal_conjugate(model, A, B, C, X_926, ID="X_927", classes=["selected", "target"])
            X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center", "incident"])
            X_514 = eval_trilinear_point(model, A, B, C, '(b - c)/a', ID="X_514", classes=["center", "incident"])
            central_line(model, X_101, X_514, 101, 514, incident=True)
            X_103 = eval_trilinear_point(model, A, B, C, 'a/((a - b)*cot(C) + (a - c)*cot(B))', ID="X_103", classes=["center", "incident"])
            X_516 = eval_trilinear_point(model, A, B, C, 'b*c*((a - b)*cot(C) + (a - c)*cot(B))', ID="X_516", classes=["center", "incident"])
            central_line(model, X_103, X_516, 103, 516, incident=True)
            X_109 = eval_trilinear_point(model, A, B, C, 'a/(cos(B) - cos(C))', ID="X_109", classes=["center", "incident"])
            X_658 = eval_trilinear_point(model, A, B, C, '1/((1 + cos(A))*(cos(B) - cos(C)))', ID="X_658", classes=["center", "incident"])
            central_line(model, X_109, X_658, 109, 658, incident=True)
            return promote_point_to_top(model, X_927)


        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_927 on the given reference triangle."""
            model = create_model('X_927 = ISOGONAL CONJUGATE OF X_926')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00927(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-00927.json"))
            write_center_svg(
                model_acute,
                here / "x-00927.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )