X3588

CENTER OF THE MYAKISHEV CONIC

X3588 = X8X573∩X(2269,3057), where
< 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) { 42, 181 }: Central Line L(42, 181) { 8, 573 }: Central Line L(8, 573) { 71, 594 }: Central Line L(71, 594) { 37, 1953 }: Central Line L(37, 1953) { 213, 2347 }: Central Line L(213, 2347) { 1824, 2354 }: Central Line L(1824, 2354) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_181 = APOLLONIUS POINT (0.6163, 0.3093) X_8 = NAGEL POINT (0.4694, 0.1333) X_573 = ORTHOHARMONIC OF X(58) (0.4486, 0.0172) X_71 = ISOGONAL CONJUGATE OF X(27) (0.4807, 0.0915) X_594 = ISOGONAL CONJUGATE OF X(593) (0.5025, 0.1672) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_1953 = BICENTRIC SUM OF PU(21) (0.5856, 0.2841) X_213 = -CEVA CONJUGATE OF X(42) (0.6135, 0.2833) X_2347 = -ISOCONJUGATE OF X(1476) (0.5740, 0.2042) X_1824 = ZOSMA TRANSFORM OF X(2) (0.6198, 0.4097) X_2354 = -ISOCONJUGATE OF X(1791) (0.6324, 0.4423) X_3588 = CENTER OF THE MYAKISHEV CONIC (0.4308, -0.0825) A B C X42 X181 X8 X573 X71 X594 X37 X1953 X213 X2347 X1824 X2354 X3588 (a, b, c) = (5, 6, 7) | AB = 1

X3588 (CENTER OF THE MYAKISHEV CONIC) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3588 = CENTER OF THE MYAKISHEV CONIC."""

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


        def construct_x_03588(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3588 = CENTER OF THE MYAKISHEV CONIC on reference triangle ABC."""
            X_3588 = eval_trilinear_point(model, A, B, C, '(a*(b + c)*(a**(4)*(b + c) - b**(4)*(c + a) - c**(4)*(a + b) + b**(2)*c**(2)*(b + c) + c**(2)*a**(2)*(a - c) + a**(2)*b**(2)*(a - b) - 2*a*b**(2)*c**(2)))', ID="X_3588", classes=["selected", "target"])
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center", "incident"])
            X_181 = eval_trilinear_point(model, A, B, C, 'a*(b + c)**(2)/(b + c - a)', ID="X_181", classes=["center", "incident"])
            central_line(model, X_42, X_181, 42, 181, incident=True)
            X_8 = nagel_point_of(model, A, B, C, ID="X_8", classes=["center", "incident"])
            X_573 = eval_trilinear_point(model, A, B, C, 'cos(A + U)', ID="X_573", classes=["center", "incident"])
            central_line(model, X_8, X_573, 8, 573, incident=True)
            X_71 = eval_trilinear_point(model, A, B, C, '(b + c)*cos(A)', ID="X_71", classes=["center", "incident"])
            X_594 = eval_trilinear_point(model, A, B, C, '(b + c)**(2)/a', ID="X_594", classes=["center", "incident"])
            central_line(model, X_71, X_594, 71, 594, incident=True)
            return promote_point_to_top(model, X_3588)


        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_3588 on the given reference triangle."""
            model = create_model('X_3588 = CENTER OF THE MYAKISHEV CONIC')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03588(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-03588.json"))
            write_center_svg(
                model_acute,
                here / "x-03588.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )