X2484

RADICAL CENTER OF {CIRCUMCIRCLE, 2nd LEMOINE CIRCLE, BEVAN CIRCLE}

X2484 = crossdifference of every pair of points on line X1X69
< 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) { 44, 513 }: Central Line L(44, 513) { 6, 834 }: Central Line L(6, 834) { 512, 1692 }: Central Line L(512, 1692) { 663, 1919 }: Central Line L(663, 1919) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) X_513 = ISOGONAL CONJUGATE OF X(100) (1.0529, -0.0806) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_834 = ODD (2, 3) INFINITY POINT (1.0367, -0.1085) X_512 = ISOGONAL CONJUGATE OF X(99) (1.0394, -0.1040) X_1692 = RADICAL TRACE OF CIRCUMCIRCLE AND 2nd LEMOINE CIRCLE (0.7995, 0.5968) X_663 = CROSSDIFFERENCE OF X(2) AND X(7) (8.6667, -3.2660) X_1919 = BICENTRIC DIFFERENCE OF PU(12) (-2.5853, 3.3187) X_2484 = RADICAL CENTER OF {CIRCUMCIRCLE, 2nd LEMOINE CIRCLE, BEVAN CIRCLE} (-35.7273, 22.7135) A B C X44 X513 X6 X834 X512 X1692 X663 X1919 X2484 (a, b, c) = (5, 6, 7) | AB = 1

X2484 (RADICAL CENTER OF {CIRCUMCIRCLE, 2nd LEMOINE CIRCLE, BEVAN CIRCLE}) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2484 = RADICAL CENTER OF {CIRCUMCIRCLE, 2nd LEMOINE CIRCLE, BEVAN 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,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02484(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2484 = RADICAL CENTER OF {CIRCUMCIRCLE, 2nd LEMOINE CIRCLE, BEVAN CIRCLE} on reference triangle ABC."""
            X_2484 = eval_trilinear_point(model, A, B, C, '(a*(b - c)*(a**(2) + b**(2) + c**(2) + 2*b*c))', ID="X_2484", classes=["selected", "target"])
            X_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["center", "incident"])
            X_513 = eval_trilinear_point(model, A, B, C, 'b - c', ID="X_513", classes=["center", "incident"])
            central_line(model, X_44, X_513, 44, 513, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_834 = eval_trilinear_point(model, A, B, C, '(a**(1)*(b**(3) - c**(3)) + a**(2)*(b**(2) - c**(2)))', ID="X_834", classes=["center", "incident"])
            central_line(model, X_6, X_834, 6, 834, incident=True)
            X_512 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) - c**(2))', ID="X_512", classes=["center", "incident"])
            X_1692 = eval_trilinear_point(model, A, B, C, '2*sin(A - 2*omega  ) + sin(A + 2*omega  ) - sin(A)', ID="X_1692", classes=["center", "incident"])
            central_line(model, X_512, X_1692, 512, 1692, incident=True)
            return promote_point_to_top(model, X_2484)


        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_2484 on the given reference triangle."""
            model = create_model('X_2484 = RADICAL CENTER OF {CIRCUMCIRCLE, 2nd LEMOINE CIRCLE, BEVAN CIRCLE}')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02484(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-02484.json"))
            write_center_svg(
                model_acute,
                here / "x-02484.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )