X2498

RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, MOSES CIRCLE}

X2498 = midpoint of X2494 and X2495
< 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) { 2494, 2495 }: Central Line L(2494, 2495) { 513, 676 }: Central Line L(513, 676) { 512, 2030 }: Central Line L(512, 2030) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2494 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, 1st LEMOINE CIRCLE} (4.6935, -1.3106) X_2495 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, 2nd LEMOINE CIRCLE} (-2.6701, 2.6976) 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_512 = ISOGONAL CONJUGATE OF X(99) (1.0394, -0.1040) X_2030 = RADICAL TRACE OF MOSES CIRCLE AND CIRCUMCIRCLE (0.8993, 0.7615) X_2498 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, MOSES CIRCLE} (1.0117, 0.6935) A B C X2494 X2495 X513 X676 X512 X2030 X2498 (a, b, c) = (5, 6, 7) | AB = 1

X2498 (RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, MOSES CIRCLE}) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2498 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, MOSES 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,
            midpoint,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02498(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2498 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, MOSES CIRCLE} on reference triangle ABC."""
            X_2494 = eval_trilinear_point(model, A, B, C, '(a*b**(2)*(a**(2) + b**(2))*(a + c - b)**(2) - a*c**(2)*(a**(2) + c**(2))*(a + b - c)**(2))', ID="X_2494", classes=["center"])
            X_2495 = eval_trilinear_point(model, A, B, C, '(a*b**(2)*(a**(2) + b**(2) - c**(2))*(a + c - b)**(2) - a*c**(2)*(a**(2) + c**(2) - b**(2))*(a + b - c)**(2))', ID="X_2495", classes=["center"])
            X_2498 = midpoint(model, X_2494, X_2495, ID="X_2498", classes=["selected", "target"], guide=False)
            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_512 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) - c**(2))', ID="X_512", classes=["center", "incident"])
            X_2030 = eval_trilinear_point(model, A, B, C, '(sin(A) - 4*sin(A - 2*omega  ) - sin(A + 2*omega  ))', ID="X_2030", classes=["center", "incident"])
            central_line(model, X_512, X_2030, 512, 2030, incident=True)
            return promote_point_to_top(model, X_2498)


        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_2498 on the given reference triangle."""
            model = create_model('X_2498 = RADICAL CENTER OF {CIRCUMCIRCLE, INCIRCLE, MOSES CIRCLE}')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02498(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-02498.json"))
            write_center_svg(
                model_acute,
                here / "x-02498.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )