X2424

ISOGONAL CONJUGATE OF X2398

< 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) { 103, 106 }: Central Line L(103, 106) { 6, 657 }: Central Line L(6, 657) { 56, 663 }: Central Line L(56, 663) { 269, 513 }: Central Line L(269, 513) { 1, 905 }: Central Line L(1, 905) { 676, 885 }: Central Line L(676, 885) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_677 = TRILINEAR POLE OF LINE X(3)X(101) (1.3200, 0.4790) X_103 = ANTIPODE OF X(101) (0.7857, -0.3208) X_106 = Λ(INCENTER, CENTROID) (1.0000, 0.0000) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_657 = CROSSDIFFERENCE OF X(1) AND X(7) (10.1538, -2.2611) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_663 = CROSSDIFFERENCE OF X(2) AND X(7) (8.6667, -3.2660) X_269 = ISOGONAL CONJUGATE OF X(200) (0.6369, 0.3847) X_513 = ISOGONAL CONJUGATE OF X(100) (1.0529, -0.0806) X_1 = INCENTER (0.5714, 0.2333) X_905 = POINT ACHERNAR (5.6190, -0.6999) X_676 = CROSSDIFFERENCE OF X(3) AND X(101) (1.2449, 0.5665) X_885 = ISOTOMIC CONJUGATE OF X(883) (1.0518, 0.0256) X_2424 = ISOGONAL CONJUGATE OF X(2398) (1.0916, 0.1371) A B C X677 X103 X106 X6 X657 X56 X663 X269 X513 X1 X905 X676 X885 X2424 (a, b, c) = (5, 6, 7) | AB = 1

X2424 (ISOGONAL CONJUGATE OF X2398) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2424 = ISOGONAL CONJUGATE OF X_2398."""

        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,
            point_from_barycentrics,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02424(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2424 = ISOGONAL CONJUGATE OF X_2398 on reference triangle ABC."""
            X_2398 = point_from_barycentrics(model, A, B, C, -1.2222222, 0.33333333, 1.8888889, ID="X_2398", classes=["center"])
            X_2424 = isogonal_conjugate(model, A, B, C, X_2398, ID="X_2424", classes=["selected", "target"])
            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_106 = eval_trilinear_point(model, A, B, C, 'a/(2*a - b - c)', ID="X_106", classes=["center", "incident"])
            central_line(model, X_103, X_106, 103, 106, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_657 = eval_trilinear_point(model, A, B, C, '(1 + cos(A))*(cos(B) - cos(C))', ID="X_657", classes=["center", "incident"])
            central_line(model, X_6, X_657, 6, 657, incident=True)
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
            X_663 = eval_trilinear_point(model, A, B, C, 'a*(b - c)*(b + c - a)', ID="X_663", classes=["center", "incident"])
            central_line(model, X_56, X_663, 56, 663, incident=True)
            return promote_point_to_top(model, X_2424)


        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_2424 on the given reference triangle."""
            model = create_model('X_2424 = ISOGONAL CONJUGATE OF X_2398')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02424(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-02424.json"))
            write_center_svg(
                model_acute,
                here / "x-02424.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )