X2992

CD(X13)

< 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) { 3, 299 }: Central Line L(3, 299) { 6, 471 }: Central Line L(6, 471) { 265, 300 }: Central Line L(265, 300) { 68, 633 }: Central Line L(68, 633) { 1899, 2993 }: Central Line L(1899, 2993) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3129 = -CEVA CONJUGATE OF X(6) (0.5743, 0.2966) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_299 = ISOTOMIC CONJUGATE OF 2nd ISOGONIC CENTER (-1.1465, -1.6097) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_471 = -CROSS CONJUGATE OF X(299) (0.7866, 0.8520) X_265 = REFLECTION OF X(3) IN X(125) (0.8606, -0.0500) X_300 = ISOTOMIC CONJUGATE OF 1st ISODYNAMIC CENTER (0.5239, 0.2121) X_68 = PRASOLOV POINT (-0.0535, -0.0055) X_633 = ANTICOMPLEMENT OF X(61) (0.4594, 0.1433) X_1899 = ZOSMA TRANSFORM OF X(1096) (0.6016, 0.1218) X_2993 = CD(X(14)) (0.7704, -0.1728) X_2992 = CD(X(13)) (0.5708, 0.1756) A B C X3129 X3 X299 X6 X471 X265 X300 X68 X633 X1899 X2993 X2992 (a, b, c) = (5, 6, 7) | AB = 1

X2992 (CD(X13)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2992 = CD(X_13)."""

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


        def construct_x_02992(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2992 = CD(X_13) on reference triangle ABC."""
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            X_299 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)*sin(A -  pi  /3)', ID="X_299", classes=["center"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_471 = eval_trilinear_point(model, A, B, C, 'sin(A -  pi  /3)*csc(2*A)', ID="X_471", classes=["center"])
            central_line(model, X_3, X_299, 3, 299)
            central_line(model, X_6, X_471, 6, 471)
            X_2992 = intersect_lines(model, X_3, X_299, X_6, X_471, ID="X_2992", classes=["selected", "target"])
            X_265 = eval_trilinear_point(model, A, B, C, 'sin(2*A)*csc(3*A)', ID="X_265", classes=["center", "incident"])
            X_300 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)*csc(A +  pi  /3)', ID="X_300", classes=["center", "incident"])
            central_line(model, X_265, X_300, 265, 300, incident=True)
            return promote_point_to_top(model, X_2992)


        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_2992 on the given reference triangle."""
            model = create_model('X_2992 = CD(X_13)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02992(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-02992.json"))
            write_center_svg(
                model_acute,
                here / "x-02992.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )