X2338

X2-ISOCONJUGATE OF X1456

< 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) { 9, 77 }: Central Line L(9, 77) { 3, 101 }: Central Line L(3, 101) { 219, 480 }: Central Line L(219, 480) { 78, 644 }: Central Line L(78, 644) { 332, 645 }: Central Line L(332, 645) { 218, 1433 }: Central Line L(218, 1433) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_672 = CROSSDIFFERENCE OF X(1) AND X(514) (1.9245, 2.2184) X_9 = MITTENPUNKT (0.5110, 0.1615) X_77 = ISOGONAL CONJUGATE OF X(33) (0.5270, 0.1305) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_219 = -CEVA CONJUGATE OF X(55) (0.4277, 0.0625) X_480 = -CEVA CONJUGATE OF X(220) (0.4089, 0.0793) X_78 = ISOGONAL CONJUGATE OF X(34) (0.3835, 0.0491) X_644 = TRILINEAR MULTIPLIER FOR YFF PARABOLA (-0.0171, 0.3359) X_332 = ISOTOMIC CONJUGATE OF X(225) (0.3595, 0.0434) X_645 = BARYCENTRIC MULTIPLIER FOR KIEPERT PARABOLA (-0.0375, 0.2992) X_218 = -CEVA CONJUGATE OF X(55) (0.6557, 0.3333) X_1433 = -BETH CONJUGATE OF X(271) (0.6277, 0.9396) X_2338 = -ISOCONJUGATE OF X(1456) (0.6785, -0.1622) A B C X672 X9 X77 X3 X101 X219 X480 X78 X644 X332 X645 X218 X1433 X2338 (a, b, c) = (5, 6, 7) | AB = 1

X2338 (X2-ISOCONJUGATE OF X1456) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2338 = X_2-ISOCONJUGATE OF X_1456."""

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


        def construct_x_02338(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2338 = X_2-ISOCONJUGATE OF X_1456 on reference triangle ABC."""
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center"])
            X_77 = eval_trilinear_point(model, A, B, C, '1/(1 + sec(A))', ID="X_77", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center"])
            central_line(model, X_9, X_77, 9, 77)
            central_line(model, X_3, X_101, 3, 101)
            X_2338 = intersect_lines(model, X_9, X_77, X_3, X_101, ID="X_2338", classes=["selected", "target"])
            X_219 = eval_trilinear_point(model, A, B, C, 'cos(A)*cot(A/2)', ID="X_219", classes=["center", "incident"])
            X_480 = eval_trilinear_point(model, A, B, C, '(cot(A/2)*cos(A/2))**(2)', ID="X_480", classes=["center", "incident"])
            central_line(model, X_219, X_480, 219, 480, incident=True)
            return promote_point_to_top(model, X_2338)


        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_2338 on the given reference triangle."""
            model = create_model('X_2338 = X_2-ISOCONJUGATE OF X_1456')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02338(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-02338.json"))
            write_center_svg(
                model_acute,
                here / "x-02338.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )