X683

ISOGONAL CONJUGATE OF X682

< 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) { 25, 305 }: Central Line L(25, 305) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_682 = POINT ARNEB (0.6397, 0.1604) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_305 = ISOTOMIC CONJUGATE OF X(25) (0.3258, 0.0397) X_683 = ISOGONAL CONJUGATE OF X(682) (0.5272, 0.3086) A B C X682 X25 X305 X683 (a, b, c) = (5, 6, 7) | AB = 1

X683 (ISOGONAL CONJUGATE OF X682) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_683 = ISOGONAL CONJUGATE OF X_682."""

        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_00683(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_683 = ISOGONAL CONJUGATE OF X_682 on reference triangle ABC."""
            X_682 = eval_trilinear_point(model, A, B, C, '(sec(B)*(csc(C))**(3) + sec(C)*(csc(B))**(3))', ID="X_682", classes=["center"])
            X_683 = isogonal_conjugate(model, A, B, C, X_682, ID="X_683", classes=["selected", "target"])
            X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center", "incident"])
            X_305 = eval_trilinear_point(model, A, B, C, 'b**(4)*c**(4)*cos(A)', ID="X_305", classes=["center", "incident"])
            central_line(model, X_25, X_305, 25, 305, incident=True)
            return promote_point_to_top(model, X_683)


        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_683 on the given reference triangle."""
            model = create_model('X_683 = ISOGONAL CONJUGATE OF X_682')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00683(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-00683.json"))
            write_center_svg(
                model_acute,
                here / "x-00683.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )