X2548

INSIMILICENTER(MOSES CIRCLE, (X4,2R))

The circle (X4,2R) is identified at X2474.
< 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) { 5, 6 }: Nine-Point–Symmedian Line { 2, 32 }: Central Line L(2, 32) { 4, 39 }: Central Line L(4, 39) { 115, 147 }: Central Line L(115, 147) { 211, 263 }: Central Line L(211, 263) { 20, 574 }: Central Line L(20, 574) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_2 = CENTROID (0.5374, 0.2000) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_4 = ORTHOCENTER (0.6122, 0.3958) X_39 = BROCARD MIDPOINT (0.5778, 0.2305) X_115 = CENTER OF KIEPERT HYPERBOLA (0.7507, 0.0838) X_147 = TARRY POINT OF ANTICOMPLEMENTARY TRIANGLE (-0.1660, 1.0561) X_211 = -CEVA CONJUGATE OF X(39) (0.6801, 0.4536) X_263 = ISOGONAL CONJUGATE OF X(183) (0.6298, 0.3525) X_20 = DE LONGCHAMPS POINT (0.3878, -0.1916) X_574 = HARMONIC OF X(187) (0.5539, 0.1910) X_2548 = INSIMILICENTER(MOSES CIRCLE, (X(4),2R)) (0.5840, 0.2606) A B C X5 X6 X2 X32 X4 X39 X115 X147 X211 X263 X20 X574 X2548 (a, b, c) = (5, 6, 7) | AB = 1

X2548 (INSIMILICENTER(MOSES CIRCLE, (X4,2R))) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2548 = INSIMILICENTER(MOSES CIRCLE, (X_4,2R))."""

        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,
            centroid_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            nine_point_center_of,
            orthocenter_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02548(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2548 = INSIMILICENTER(MOSES CIRCLE, (X_4,2R)) on reference triangle ABC."""
            X_2548 = eval_trilinear_point(model, A, B, C, '(2*cos(B)*cos(C) + sin(A +  omega  )*csc(omega) )', ID="X_2548", classes=["selected", "target"])
            X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_5, X_6, 5, 6, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
            central_line(model, X_2, X_32, 2, 32, incident=True)
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_39 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2))', ID="X_39", classes=["center", "incident"])
            central_line(model, X_4, X_39, 4, 39, incident=True)
            return promote_point_to_top(model, X_2548)


        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_2548 on the given reference triangle."""
            model = create_model('X_2548 = INSIMILICENTER(MOSES CIRCLE, (X_4,2R))')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02548(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-02548.json"))
            write_center_svg(
                model_acute,
                here / "x-02548.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )