X911

POINT ADHARA

X911 = barycentric product X1*X103
< 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) { 3, 101 }: Central Line L(3, 101) { 241, 294 }: Central Line L(241, 294) { 41, 603 }: Central Line L(41, 603) { 56, 607 }: Central Line L(56, 607) { 48, 692 }: Central Line L(48, 692) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_241 = -LINE CONJUGATE OF X(55) (1.1217, 1.2442) X_294 = ISOGONAL CONJUGATE OF X(241) (0.9276, -0.0575) X_41 = -CEVA CONJUGATE OF X(31) (0.5823, 0.2244) X_603 = -CEVA CONJUGATE OF X(56) (0.5992, 0.1851) X_56 = EXSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.6316, 0.3438) X_607 = ISOGONAL CONJUGATE OF X(348) (0.6187, 0.3865) X_48 = CROSSPOINT OF X(1) AND X(63) (0.5412, 0.1246) X_692 = -CEVA CONJUGATE OF X(101) (0.2833, 0.5715) X_911 = POINT ADHARA (0.8698, -0.4452) A B C X3 X101 X241 X294 X41 X603 X56 X607 X48 X692 X911 (a, b, c) = (5, 6, 7) | AB = 1

X911 (POINT ADHARA) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_911 = POINT ADHARA."""

        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_barycentric_point,
            eval_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00911(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_911 = POINT ADHARA on reference triangle ABC."""
            X_911 = eval_barycentric_point(model, A, B, C, 'a**(3) / (2*a**(3) - a**(2)*(b + c) - (b - c)**(2)*(b + c))', ID="X_911", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center", "incident"])
            central_line(model, X_3, X_101, 3, 101, incident=True)
            X_241 = eval_trilinear_point(model, A, B, C, '(cos(B/2))**(4) - ((cos(A/2))**(2))*((cos(B/2))**(2) +(cos(C/2))**(2)) + (cos(C/2))**(4)', ID="X_241", classes=["center", "incident"])
            X_294 = eval_trilinear_point(model, A, B, C, '((b + c - a)/(b**(2) + c**(2) - a*b - a*c))', ID="X_294", classes=["center", "incident"])
            central_line(model, X_241, X_294, 241, 294, incident=True)
            X_41 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b + c - a)', ID="X_41", classes=["center", "incident"])
            X_603 = eval_trilinear_point(model, A, B, C, '(cos(A))**(2) - cos(A)', ID="X_603", classes=["center", "incident"])
            central_line(model, X_41, X_603, 41, 603, incident=True)
            return promote_point_to_top(model, X_911)


        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_911 on the given reference triangle."""
            model = create_model('X_911 = POINT ADHARA')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00911(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-00911.json"))
            write_center_svg(
                model_acute,
                here / "x-00911.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )