X2366

CIR(X25)

< 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) { 69, 112 }: Central Line L(69, 112) { 76, 107 }: Central Line L(76, 107) { 99, 159 }: Central Line L(99, 159) { 108, 1231 }: Central Line L(108, 1231) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2386 = ISOGONAL CONJUGATE OF X(2366) (0.6246, 0.4244) X_69 = SYMMEDIAN POINT OF THE ANTICOMPLEMENTARY TRIANGLE (0.4122, 0.0654) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_76 = 3rd BROCARD POINT (0.4567, 0.1388) X_107 = Ψ(SYMMEDIAN POINT, ORTHOCENTER) (0.5733, 0.6071) X_99 = STEINER POINT (0.1109, 0.4322) X_159 = -OF-TANGENTIAL-TRIANGLE (0.4211, -0.7266) X_108 = Ψ(CIRCUMCENTER, INCENTER) (0.5320, 0.6114) X_1231 = ISOTOMIC CONJUGATE OF X(1172) (0.4217, 0.0767) X_2366 = CIR(X(25)) (0.3278, -0.3783) A B C X2386 X69 X112 X76 X107 X99 X159 X108 X1231 X2366 (a, b, c) = (5, 6, 7) | AB = 1

X2366 (CIR(X25)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2366 = CIR(X_25)."""

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


        def construct_x_02366(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2366 = CIR(X_25) on reference triangle ABC."""
            X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center"])
            X_112 = eval_trilinear_point(model, A, B, C, 'a/(sin(2*B) - sin(2*C))', ID="X_112", classes=["center"])
            X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center"])
            X_107 = eval_trilinear_point(model, A, B, C, '1/(cos(A)*(sin(2*B) - sin(2*C)))', ID="X_107", classes=["center"])
            central_line(model, X_69, X_112, 69, 112)
            central_line(model, X_76, X_107, 76, 107)
            X_2366 = intersect_lines(model, X_69, X_112, X_76, X_107, ID="X_2366", classes=["selected", "target"])
            X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
            X_159 = eval_trilinear_point(model, A, B, C, '(a*((a**(2) + b**(2) + c**(2))*sin(2*A) + (c**(2) - b**(2) - a**(2))*sin(2*B) + (b**(2) - c**(2) - a**(2))*sin(2*C)))', ID="X_159", classes=["center", "incident"])
            central_line(model, X_99, X_159, 99, 159, incident=True)
            return promote_point_to_top(model, X_2366)


        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_2366 on the given reference triangle."""
            model = create_model('X_2366 = CIR(X_25)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02366(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-02366.json"))
            write_center_svg(
                model_acute,
                here / "x-02366.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )