X2510

RADICAL CENTER OF {NINE-POINT, BROCARD, MOSES} CIRCLES

< 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) { 115, 804 }: Central Line L(115, 804) { 441, 525 }: Central Line L(441, 525) { 248, 878 }: Central Line L(248, 878) { 512, 2031 }: Central Line L(512, 2031) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_115 = CENTER OF KIEPERT HYPERBOLA (0.7507, 0.0838) X_804 = ODD (- 2, 2) INFINITY POINT (0.9171, 0.6474) X_441 = COMPLEMENT OF X(297) (0.3841, -0.2011) X_525 = ISOGONAL CONJUGATE OF X(112) (-0.0468, 0.2556) X_248 = -LINE CONJUGATE OF X(132) (0.8229, -0.0790) X_878 = ISOGONAL CONJUGATE OF X(877) (1.1192, 0.0431) X_512 = ISOGONAL CONJUGATE OF X(99) (1.0394, -0.1040) X_2031 = RADICAL TRACE OF MOSES AND BROCARD CIRCLES (0.3607, -0.1281) X_2510 = RADICAL CENTER OF {NINE-POINT, BROCARD, MOSES} CIRCLES (0.4995, -0.2121) A B C X115 X804 X441 X525 X248 X878 X512 X2031 X2510 (a, b, c) = (5, 6, 7) | AB = 1

X2510 (RADICAL CENTER OF {NINE-POINT, BROCARD, MOSES} CIRCLES) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2510 = RADICAL CENTER OF {NINE-POINT, BROCARD, MOSES} CIRCLES."""

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


        def construct_x_02510(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2510 = RADICAL CENTER OF {NINE-POINT, BROCARD, MOSES} CIRCLES on reference triangle ABC."""
            X_2510 = eval_trilinear_point(model, A, B, C, '(a*(b**(2) + c**(2) - a**(2))*(b**(2) - c**(2))*(a**(4) + b**(4) + c**(4) - 3*b**(2)*c**(2)))', ID="X_2510", classes=["selected", "target"])
            X_115 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) - c**(2))**(2)', ID="X_115", classes=["center", "incident"])
            X_804 = eval_trilinear_point(model, A, B, C, 'a **(-3)*(b**(2) - c**(2)) + a**(1)*(b **(-2) - c **(-2))', ID="X_804", classes=["center", "incident"])
            central_line(model, X_115, X_804, 115, 804, incident=True)
            X_441 = point_from_barycentrics(model, A, B, C, 0.74590002, 0.58940921, -0.33530923, ID="X_441", classes=["center", "incident"])
            X_525 = eval_trilinear_point(model, A, B, C, '(b*cos(B) - c*cos(C))/a', ID="X_525", classes=["center", "incident"])
            central_line(model, X_441, X_525, 441, 525, incident=True)
            X_248 = eval_trilinear_point(model, A, B, C, 'sin(2*A)*sec(A +  omega  )', ID="X_248", classes=["center", "incident"])
            X_878 = point_from_barycentrics(model, A, B, C, -0.14706477, 1.0752646, 0.071800149, ID="X_878", classes=["center", "incident"])
            central_line(model, X_248, X_878, 248, 878, incident=True)
            return promote_point_to_top(model, X_2510)


        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_2510 on the given reference triangle."""
            model = create_model('X_2510 = RADICAL CENTER OF {NINE-POINT, BROCARD, MOSES} CIRCLES')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02510(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-02510.json"))
            write_center_svg(
                model_acute,
                here / "x-02510.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )