X2859

SM(X100, X112)

< 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) { 112, 693 }: Central Line L(112, 693) { 100, 3267 }: Central Line L(100, 3267) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2873 = ISOGONAL CONJUGATE OF X(2859) (-0.0398, 0.0940) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_693 = ISOTOMIC CONJUGATE OF X(100) (-25.8163, 8.9981) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_3267 = ISOTOMIC CONJUGATE OF X(112) (-2.7666, 0.1888) X_2859 = SM(X(100), X(112)) (0.7817, 0.5276) A B C X2873 X112 X693 X100 X3267 X2859 (a, b, c) = (5, 6, 7) | AB = 1

X2859 (SM(X100, X112)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2859 = SM(X_100, X_112)."""

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


        def construct_x_02859(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2859 = SM(X_100, X_112) on reference triangle ABC."""
            X_112 = eval_trilinear_point(model, A, B, C, 'a/(sin(2*B) - sin(2*C))', ID="X_112", classes=["center"])
            X_693 = eval_trilinear_point(model, A, B, C, '(b - c)/a**(2)', ID="X_693", classes=["center"])
            X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center"])
            X_3267 = eval_trilinear_point(model, A, B, C, '((b**(2) - c**(2))*(b**(2) + c**(2) - a**(2))/a**(3))', ID="X_3267", classes=["center"])
            central_line(model, X_112, X_693, 112, 693)
            central_line(model, X_100, X_3267, 100, 3267)
            X_2859 = intersect_lines(model, X_112, X_693, X_100, X_3267, ID="X_2859", classes=["selected", "target"])
            return promote_point_to_top(model, X_2859)


        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_2859 on the given reference triangle."""
            model = create_model('X_2859 = SM(X_100, X_112)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02859(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-02859.json"))
            write_center_svg(
                model_acute,
                here / "x-02859.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )