X2759

SR(X106, X111)

< 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) { 106, 524 }: Central Line L(106, 524) { 111, 519 }: Central Line L(111, 519) { 1293, 1499 }: Central Line L(1293, 1499) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2843 = ISOGONAL CONJUGATE OF X(2759) (0.6812, 0.7689) X_106 = Λ(INCENTER, CENTROID) (1.0000, 0.0000) X_524 = ISOGONAL CONJUGATE OF X(111) (0.1376, -0.2297) X_111 = PARRY POINT (0.9885, -0.0457) X_519 = ISOGONAL CONJUGATE OF X(106) (0.9566, 0.6107) X_1293 = COLLINGS TRANSFORM OF X(121) (0.0000, 0.2041) X_1499 = POINT BIHAM (0.1078, 0.5997) X_2759 = SR(X(106), X(111)) (0.6377, -0.3893) A B C X2843 X106 X524 X111 X519 X1293 X1499 X2759 (a, b, c) = (5, 6, 7) | AB = 1

X2759 (SR(X106, X111)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2759 = SR(X_106, X_111)."""

        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_02759(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2759 = SR(X_106, X_111) on reference triangle ABC."""
            X_106 = eval_trilinear_point(model, A, B, C, 'a/(2*a - b - c)', ID="X_106", classes=["center"])
            X_524 = eval_trilinear_point(model, A, B, C, '(2*a**(2) - b**(2) - c**(2))/a', ID="X_524", classes=["center"])
            X_111 = eval_trilinear_point(model, A, B, C, 'a/(2*a**(2) - b**(2) - c**(2))', ID="X_111", classes=["center"])
            X_519 = eval_trilinear_point(model, A, B, C, '(2*a - b - c)/a', ID="X_519", classes=["center"])
            central_line(model, X_106, X_524, 106, 524)
            central_line(model, X_111, X_519, 111, 519)
            X_2759 = intersect_lines(model, X_106, X_524, X_111, X_519, ID="X_2759", classes=["selected", "target"])
            X_1293 = eval_trilinear_point(model, A, B, C, '(a/((b - c)*(3*a - b - c)))', ID="X_1293", classes=["center", "incident"])
            X_1499 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) - c**(2))*(b**(2) + c**(2) - 5*a**(2))', ID="X_1499", classes=["center", "incident"])
            central_line(model, X_1293, X_1499, 1293, 1499, incident=True)
            return promote_point_to_top(model, X_2759)


        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_2759 on the given reference triangle."""
            model = create_model('X_2759 = SR(X_106, X_111)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02759(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-02759.json"))
            write_center_svg(
                model_acute,
                here / "x-02759.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )