X2874

ISOGONAL CONJUGATE OF X2860

< 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) { 30, 511 }: Central Line L(30, 511) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2860 = SM(X(100), X(101)) (0.9799, 0.2757) X_30 = EULER INFINITY POINT (0.7469, 0.7481) X_511 = ISOGONAL CONJUGATE OF X(98) (0.2335, -0.3020) X_2874 = ISOGONAL CONJUGATE OF X(2860) (0.0227, -0.0819) A B C X2860 X30 X511 X2874 (a, b, c) = (5, 6, 7) | AB = 1

X2874 (ISOGONAL CONJUGATE OF X2860) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2874 = ISOGONAL CONJUGATE OF X_2860."""

        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,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02874(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2874 = ISOGONAL CONJUGATE OF X_2860 on reference triangle ABC."""
            X_2860 = point_from_barycentrics(model, A, B, C, -0.15806766, 0.69849469, 0.45957297, ID="X_2860", classes=["center"])
            X_2874 = isogonal_conjugate(model, A, B, C, X_2860, ID="X_2874", classes=["selected", "target"])
            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_2874)


        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_2874 on the given reference triangle."""
            model = create_model('X_2874 = ISOGONAL CONJUGATE OF X_2860')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02874(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-02874.json"))
            write_center_svg(
                model_acute,
                here / "x-02874.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )