X2451

INVERSE-IN-2nd-LEMOINE-CIRCLE OF X1316

X2451 = inverse-in-2nd-Lemoine-circle of X1316
< 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) { 6, 523 }: Central Line L(6, 523) { 647, 657 }: Central Line L(647, 657) { 512, 1570 }: Central Line L(512, 1570) { 520, 2489 }: Central Line L(520, 2489) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_648 = TRILINEAR POLE OF EULER LINE (0.4563, 0.5855) X_523 = ISOGONAL CONJUGATE OF X(110) (1.0856, -0.0096) X_647 = CROSSDIFFERENCE OF X(2) AND X(3) (4.2063, -0.5653) X_657 = CROSSDIFFERENCE OF X(1) AND X(7) (10.1538, -2.2611) X_512 = ISOGONAL CONJUGATE OF X(99) (1.0394, -0.1040) X_1570 = MOSES-CIRCLE INVERSE OF X(3) (0.4005, -0.0623) X_520 = ISOGONAL CONJUGATE OF X(107) (-0.0490, 0.2227) X_2489 = RADICAL CENTER OF {CIRCUMCIRCLE, NINE-POINT-CIRCLE, 2ND LEMOINE CIRCLE} (0.1726, 0.9764) X_2451 = INVERSE-IN-2nd-LEMOINE-CIRCLE OF X(1316) (-1.4168, 1.0380) A B C X6 X648 X523 X647 X657 X512 X1570 X520 X2489 X2451 (a, b, c) = (5, 6, 7) | AB = 1

X2451 (INVERSE-IN-2nd-LEMOINE-CIRCLE OF X1316) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2451 = INVERSE-IN-2nd-LEMOINE-CIRCLE OF X_1316."""

        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,
            crosspoint,
            eval_trilinear_point,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02451(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2451 = INVERSE-IN-2nd-LEMOINE-CIRCLE OF X_1316 on reference triangle ABC."""
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_648 = eval_trilinear_point(model, A, B, C, '1/(a*(b**(2) - c**(2))*(b**(2) + c**(2) - a**(2)))', ID="X_648", classes=["center"])
            X_2451 = crosspoint(model, A, B, C, X_6, X_648, ID="X_2451", classes=["selected", "target"])
            X_523 = eval_trilinear_point(model, A, B, C, 'sin(B -C)', ID="X_523", classes=["center", "incident"])
            central_line(model, X_6, X_523, 6, 523, incident=True)
            X_647 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) - c**(2))*(b**(2) + c**(2) - a**(2))', ID="X_647", classes=["center", "incident"])
            X_657 = eval_trilinear_point(model, A, B, C, '(1 + cos(A))*(cos(B) - cos(C))', ID="X_657", classes=["center", "incident"])
            central_line(model, X_647, X_657, 647, 657, incident=True)
            X_512 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) - c**(2))', ID="X_512", classes=["center", "incident"])
            X_1570 = eval_trilinear_point(model, A, B, C, 'a*(cot(A) + cot(omega)  - 4*tan(omega)  )', ID="X_1570", classes=["center", "incident"])
            central_line(model, X_512, X_1570, 512, 1570, incident=True)
            return promote_point_to_top(model, X_2451)


        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_2451 on the given reference triangle."""
            model = create_model('X_2451 = INVERSE-IN-2nd-LEMOINE-CIRCLE OF X_1316')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02451(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-02451.json"))
            write_center_svg(
                model_acute,
                here / "x-02451.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )