X2063

ORION TRANSFORM OF X69

< 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) { 2, 6 }: Centroid–Symmedian Line { 64, 207 }: Central Line L(64, 207) { 264, 801 }: Central Line L(264, 801) { 378, 1092 }: Central Line L(378, 1092) { 110, 1619 }: Central Line L(110, 1619) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2 = CENTROID (0.5374, 0.2000) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_64 = ISOGONAL CONJUGATE OF X(20) (0.5579, 1.5943) X_207 = -CEVA CONJUGATE OF X(34) (0.5818, 0.9198) X_264 = ISOTOMIC CONJUGATE OF CIRCUMCENTER (0.5720, 0.3293) X_801 = ISOGONAL CONJUGATE OF X(800) (0.4263, 0.1232) X_378 = REFLECTION OF X(22) IN X(3) (0.5857, 0.3262) X_1092 = TRILINEAR CUBE OF X(3) (0.3503, 0.0118) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_1619 = TCC-PERSPECTOR OF X(63) (0.4315, -1.6641) X_2063 = ORION TRANSFORM OF X(69) (0.6048, 0.2724) A B C X2 X6 X64 X207 X264 X801 X378 X1092 X110 X1619 X2063 (a, b, c) = (5, 6, 7) | AB = 1

X2063 (ORION TRANSFORM OF X69) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2063 = ORION TRANSFORM OF X_69."""

        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,
            centroid_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_02063(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2063 = ORION TRANSFORM OF X_69 on reference triangle ABC."""
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_64 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - cos(B)*cos(C))', ID="X_64", classes=["center"])
            X_207 = eval_trilinear_point(model, A, B, C, '((1 - sec(A))*(sec(B) + sec(C) - sec(A) - 1))', ID="X_207", classes=["center"])
            central_line(model, X_2, X_6, 2, 6)
            central_line(model, X_64, X_207, 64, 207)
            X_2063 = intersect_lines(model, X_2, X_6, X_64, X_207, ID="X_2063", classes=["selected", "target"])
            X_264 = eval_trilinear_point(model, A, B, C, 'csc(A)*csc(2*A)', ID="X_264", classes=["center", "incident"])
            X_801 = eval_trilinear_point(model, A, B, C, '((csc(A))/((cos(B))**(2) + (cos(C))**(2)))', ID="X_801", classes=["center", "incident"])
            central_line(model, X_264, X_801, 264, 801, incident=True)
            return promote_point_to_top(model, X_2063)


        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_2063 on the given reference triangle."""
            model = create_model('X_2063 = ORION TRANSFORM OF X_69')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02063(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-02063.json"))
            write_center_svg(
                model_acute,
                here / "x-02063.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )