X393

X25-CROSS CONJUGATE OF X4

< 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) { 4, 6 }: Van Aubel Line { 33, 42 }: Central Line L(33, 42) { 37, 158 }: Central Line L(37, 158) { 2, 216 }: Central Line L(2, 216) { 107, 111 }: Central Line L(107, 111) { 19, 208 }: Central Line L(19, 208) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_4 = ORTHOCENTER (0.6122, 0.3958) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_33 = PERSPECTOR OF THE ORTHIC AND INTANGENTS TRIANGLES (0.6019, 0.3546) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_158 = -CROSS CONJUGATE OF X(92) (0.6215, 0.5117) X_2 = CENTROID (0.5374, 0.2000) X_216 = -CEVA CONJUGATE OF X(51) (0.5201, 0.1353) X_107 = Ψ(SYMMEDIAN POINT, ORTHOCENTER) (0.5733, 0.6071) X_111 = PARRY POINT (0.9885, -0.0457) X_19 = CLAWSON POINT (0.6246, 0.4244) X_208 = -CEVA CONJUGATE OF X(34) (0.6242, -0.2728) X_393 = -CROSS CONJUGATE OF X(4) (0.6247, 0.5263) A B C X25 X4 X6 X33 X42 X37 X158 X2 X216 X107 X111 X19 X208 X393 (a, b, c) = (5, 6, 7) | AB = 1

X393 (X25-CROSS CONJUGATE OF X4) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_393 = X_25-CROSS CONJUGATE OF X_4."""

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


        def construct_x_00393(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_393 = X_25-CROSS CONJUGATE OF X_4 on reference triangle ABC."""
            X_393 = eval_trilinear_point(model, A, B, C, 'b*c*(tan(A))**(2)', ID="X_393", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_4, X_6, 4, 6, incident=True)
            X_33 = eval_trilinear_point(model, A, B, C, '1 + sec(A)', ID="X_33", classes=["center", "incident"])
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center", "incident"])
            central_line(model, X_33, X_42, 33, 42, incident=True)
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            X_158 = eval_trilinear_point(model, A, B, C, '(sec(A))**(2)', ID="X_158", classes=["center", "incident"])
            central_line(model, X_37, X_158, 37, 158, incident=True)
            return promote_point_to_top(model, X_393)


        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_393 on the given reference triangle."""
            model = create_model('X_393 = X_25-CROSS CONJUGATE OF X_4')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00393(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-00393.json"))
            write_center_svg(
                model_acute,
                here / "x-00393.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )