X2832

ISOGONAL CONJUGATE OF X2748

< 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) { 105, 106 }: Central Line L(105, 106) { 120, 121 }: Central Line L(120, 121) { 30, 511 }: Central Line L(30, 511) { 659, 764 }: Central Line L(659, 764) { 1292, 1293 }: Central Line L(1292, 1293) { 1054, 1635 }: Central Line L(1054, 1635) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2748 = SR(X(105), X(106)) (0.6857, -0.3733) X_105 = Λ(INCENTER, SYMMEDIAN POINT) (0.9714, -0.0933) X_106 = Λ(INCENTER, CENTROID) (1.0000, 0.0000) X_120 = -OF-MEDIAL-TRIANGLE (0.3204, 0.3466) X_121 = -OF-MEDIAL-TRIANGLE (0.3061, 0.2999) X_30 = EULER INFINITY POINT (0.7469, 0.7481) X_511 = ISOGONAL CONJUGATE OF X(98) (0.2335, -0.3020) X_659 = CROSSDIFFERENCE OF X(1) AND X(39) (1.9286, 2.2162) X_764 = TRILINEAR CUBE OF X(513) (1.2143, -0.1166) X_1292 = COLLINGS TRANSFORM OF X(55) (0.0286, 0.2974) X_1293 = COLLINGS TRANSFORM OF X(121) (0.0000, 0.2041) X_1054 = 6th SHARYGIN POINT (1.4286, -0.2333) X_1635 = TRIPOLAR CENTROID OF X(1) (2.1429, 2.0996) X_2832 = ISOGONAL CONJUGATE OF X(2748) (0.3656, -0.3612) A B C X2748 X105 X106 X120 X121 X30 X511 X659 X764 X1292 X1293 X1054 X1635 X2832 (a, b, c) = (5, 6, 7) | AB = 1

X2832 (ISOGONAL CONJUGATE OF X2748) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2832 = ISOGONAL CONJUGATE OF X_2748."""

        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_02832(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2832 = ISOGONAL CONJUGATE OF X_2748 on reference triangle ABC."""
            X_2748 = eval_trilinear_point(model, A, B, C, '(1/((b - c)*(a**(2) + b**(2) + c**(2) - 3*b*c)))', ID="X_2748", classes=["center"])
            X_2832 = isogonal_conjugate(model, A, B, C, X_2748, ID="X_2832", classes=["selected", "target"])
            X_105 = eval_trilinear_point(model, A, B, C, '1/(b**(2) + c**(2) - a*(b + c))', ID="X_105", classes=["center", "incident"])
            X_106 = eval_trilinear_point(model, A, B, C, 'a/(2*a - b - c)', ID="X_106", classes=["center", "incident"])
            central_line(model, X_105, X_106, 105, 106, incident=True)
            X_120 = eval_trilinear_point(model, A, B, C, 'b*c*(2*a*b*c - (b + c)*(a**(2) + (b - c)**(2)))*(b**(2) + c**(2) - a*b -a*c)', ID="X_120", classes=["center", "incident"])
            X_121 = eval_trilinear_point(model, A, B, C, '(b*c*(b + c - 2*a)*(b**(3) + c**(3) + a*(b**(2) + c**(2)) - 2*b*c*(b + c)))', ID="X_121", classes=["center", "incident"])
            central_line(model, X_120, X_121, 120, 121, incident=True)
            X_30 = eval_trilinear_point(model, A, B, C, 'cos(A) - 2*cos(B)*cos(C)', ID="X_30", classes=["center", "incident"])
            X_511 = eval_trilinear_point(model, A, B, C, 'cos(A +  omega  )', ID="X_511", classes=["center", "incident"])
            central_line(model, X_30, X_511, 30, 511, incident=True)
            return promote_point_to_top(model, X_2832)


        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_2832 on the given reference triangle."""
            model = create_model('X_2832 = ISOGONAL CONJUGATE OF X_2748')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02832(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-02832.json"))
            write_center_svg(
                model_acute,
                here / "x-02832.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )