X2496

RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, SPIEKER CIRCLE}

< 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) { 513, 676 }: Central Line L(513, 676) { 522, 2490 }: Central Line L(522, 2490) { 2487, 2505 }: Central Line L(2487, 2505) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_513 = ISOGONAL CONJUGATE OF X(100) (1.0529, -0.0806) X_676 = CROSSDIFFERENCE OF X(3) AND X(101) (1.2449, 0.5665) X_522 = ISOGONAL CONJUGATE OF X(109) (-0.0318, 0.3430) X_2490 = RADICAL CENTER OF {CIRCUMCIRCLE,NINE-POINT-CIRCLE, SPIEKER CIRCLE} (-5.7092, 3.2243) X_2487 = RADICAL CENTER OF {INCIRCLE, SPIEKER CIRCLE, BEVAN CIRCLE} (-3.9847, 4.4241) X_2505 = RADICAL CENTER OF {INCIRCLE, NINE-POINT CIRCLE, SPIEKER CIRCLE} (0.5051, -0.1583) X_2496 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, SPIEKER CIRCLE} (-1.8622, 2.2579) A B C X513 X676 X522 X2490 X2487 X2505 X2496 (a, b, c) = (5, 6, 7) | AB = 1

X2496 (RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, SPIEKER CIRCLE}) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2496 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, SPIEKER CIRCLE}."""

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


        def construct_x_02496(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2496 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, SPIEKER CIRCLE} on reference triangle ABC."""
            X_2496 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)*(7*a**(3) - 4*a**(2)*(b + c) - 2*(b + c)*(b - c)**(2) + a*(3*b**(2) - 2*b*c + 3*c**(2))))', ID="X_2496", classes=["selected", "target"])
            X_513 = eval_trilinear_point(model, A, B, C, 'b - c', ID="X_513", classes=["center", "incident"])
            X_676 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)*(b**(3) + c**(3) - 2*a**(3) + (b + c)*(a**(2) - b*c)))', ID="X_676", classes=["center", "incident"])
            central_line(model, X_513, X_676, 513, 676, incident=True)
            X_522 = eval_trilinear_point(model, A, B, C, '(cos(B) - cos(C))*(csc(A))', ID="X_522", classes=["center", "incident"])
            X_2490 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)*(4*a**(2) - 3*a*b - 3*a*c + (b + c)**(2)))', ID="X_2490", classes=["center", "incident"])
            central_line(model, X_522, X_2490, 522, 2490, incident=True)
            X_2487 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)*((b - c)**(2) + a*b + a*c - 4*a**(2)))', ID="X_2487", classes=["center", "incident"])
            X_2505 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)*(2*a**(3) - 5*(b + c)*a**(2) - (b + c)**(3) + 8*a*(b**(2) + c**(2))))', ID="X_2505", classes=["center", "incident"])
            central_line(model, X_2487, X_2505, 2487, 2505, incident=True)
            return promote_point_to_top(model, X_2496)


        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_2496 on the given reference triangle."""
            model = create_model('X_2496 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, SPIEKER CIRCLE}')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02496(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-02496.json"))
            write_center_svg(
                model_acute,
                here / "x-02496.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )