X2866

SM(X105, X109)

< 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) { 312, 919 }: Central Line L(312, 919) { 561, 927 }: Central Line L(561, 927) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2880 = ISOGONAL CONJUGATE OF X(2866) (0.8855, -0.2725) X_312 = ISOTOMIC CONJUGATE OF X(57) (0.4256, 0.1081) X_919 = ISOGONAL CONJUGATE OF X(918) (1.0058, 0.1699) X_561 = ISOGONAL CONJUGATE OF 4th POWER POINT (0.4126, 0.1125) X_927 = ISOGONAL CONJUGATE OF X(926) (1.0037, 0.1836) X_2866 = SM(X(105), X(109)) (-0.0087, 0.0618) A B C X2880 X312 X919 X561 X927 X2866 (a, b, c) = (5, 6, 7) | AB = 1

X2866 (SM(X105, X109)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2866 = SM(X_105, X_109)."""

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


        def construct_x_02866(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2866 = SM(X_105, X_109) on reference triangle ABC."""
            X_312 = eval_trilinear_point(model, A, B, C, '(b + c - a)*b**(2)*c**(2)', ID="X_312", classes=["center"])
            X_919 = point_from_barycentrics(model, A, B, C, -0.11560694, 0.83236994, 0.28323699, ID="X_919", classes=["center"])
            X_561 = eval_trilinear_point(model, A, B, C, 'a **(- 4)', ID="X_561", classes=["center"])
            X_927 = point_from_barycentrics(model, A, B, C, -0.12244898, 0.81632653, 0.30612245, ID="X_927", classes=["center"])
            central_line(model, X_312, X_919, 312, 919)
            central_line(model, X_561, X_927, 561, 927)
            X_2866 = intersect_lines(model, X_312, X_919, X_561, X_927, ID="X_2866", classes=["selected", "target"])
            return promote_point_to_top(model, X_2866)


        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_2866 on the given reference triangle."""
            model = create_model('X_2866 = SM(X_105, X_109)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02866(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-02866.json"))
            write_center_svg(
                model_acute,
                here / "x-02866.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )