X2374

CIR(X69)

< 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, 99 }: Central Line L(25, 99) { 4, 126 }: Central Line L(4, 126) { 110, 193 }: Central Line L(110, 193) { 112, 459 }: Central Line L(112, 459) { 468, 691 }: Central Line L(468, 691) { 925, 1995 }: Central Line L(925, 1995) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_468 = -LINE CONJUGATE OF X(3) (0.7498, 0.7558) X_99 = STEINER POINT (0.1109, 0.4322) X_4 = ORTHOCENTER (0.6122, 0.3958) X_126 = -OF-MEDIAL-TRIANGLE (0.3119, 0.3228) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_193 = -CEVA CONJUGATE OF X(2) (0.7878, 0.4690) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_459 = -CEVA CONJUGATE OF X(4) (0.5934, 0.8103) X_691 = TRILINEAR POLE OF LINE X(6)X(110) (1.0101, 0.0886) X_925 = ANTICOMPLEMENT OF X(136) (0.0074, -0.0312) X_1995 = ORTHOCORRESPONDENT OF X(6) (0.5718, 0.2899) X_2374 = CIR(X(69)) (0.8662, 0.4575) A B C X25 X468 X99 X4 X126 X110 X193 X112 X459 X691 X925 X1995 X2374 (a, b, c) = (5, 6, 7) | AB = 1

X2374 (CIR(X69)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2374 = CIR(X_69)."""

        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,
            cevapoint,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            orthocenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02374(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2374 = CIR(X_69) on reference triangle ABC."""
            X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center"])
            X_468 = eval_trilinear_point(model, A, B, C, '(sec(A))*(cot(B) + cot(C) - 2*cot(A))', ID="X_468", classes=["center"])
            X_2374 = cevapoint(model, A, B, C, X_25, X_468, ID="X_2374", classes=["selected", "target"])
            X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
            central_line(model, X_25, X_99, 25, 99, incident=True)
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_126 = eval_trilinear_point(model, A, B, C, '(b*c*(2*a**(2) - b**(2) - c**(2))*(b**(4) + c**(4) + a**(2)*(b**(2) + c**(2)) - 4*b**(2)*c**(2)))', ID="X_126", classes=["center", "incident"])
            central_line(model, X_4, X_126, 4, 126, incident=True)
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
            X_193 = eval_trilinear_point(model, A, B, C, '(csc(A))*(cot(B) + cot(C) - cot(A))', ID="X_193", classes=["center", "incident"])
            central_line(model, X_110, X_193, 110, 193, incident=True)
            return promote_point_to_top(model, X_2374)


        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_2374 on the given reference triangle."""
            model = create_model('X_2374 = CIR(X_69)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02374(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-02374.json"))
            write_center_svg(
                model_acute,
                here / "x-02374.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )