X2459

INVERSE-IN-CIRCUMCIRCLE OF X371

X2459 = reflection of X2460 in X187
< 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) { 2460, 187 }: Brocard Axis { 3, 6 }: Brocard Axis { 485, 490 }: Central Line L(485, 490) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2460 = INVERSE-IN-CIRCUMCIRCLE OF X(372) (0.8253, 0.6392) X_187 = INVERSE-IN-CIRCUMCIRCLE OF X(6) (SCHOUTE CENTER) (1.1986, 1.2559) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_485 = VECTEN POINT (0.5773, 0.2578) X_490 = CEVAPOINT OF X(20) AND X(488) (0.4037, -0.0241) X_2459 = INVERSE-IN-CIRCUMCIRCLE OF X(371) (1.5720, 1.8725) A B C X2460 X187 X3 X6 X485 X490 X2459 (a, b, c) = (5, 6, 7) | AB = 1

X2459 (INVERSE-IN-CIRCUMCIRCLE OF X371) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2459 = INVERSE-IN-CIRCUMCIRCLE OF X_371."""

        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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02459(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2459 = INVERSE-IN-CIRCUMCIRCLE OF X_371 on reference triangle ABC."""
            X_2459 = eval_trilinear_point(model, A, B, C, '(cos(A +  omega  ) - cos(omega)*sin(A) + 3*cos(A)*sin(omega) )', ID="X_2459", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_3, X_6, 3, 6, incident=True)
            X_485 = eval_trilinear_point(model, A, B, C, 'sec(A -  pi  /4)', ID="X_485", classes=["center", "incident"])
            X_490 = eval_trilinear_point(model, A, B, C, '((cos(A))*(1 + csc(A)*sin(B)*sin(C)) - cos(B)*cos(C))', ID="X_490", classes=["center", "incident"])
            central_line(model, X_485, X_490, 485, 490, incident=True)
            return promote_point_to_top(model, X_2459)


        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_2459 on the given reference triangle."""
            model = create_model('X_2459 = INVERSE-IN-CIRCUMCIRCLE OF X_371')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02459(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-02459.json"))
            write_center_svg(
                model_acute,
                here / "x-02459.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )