X294

ISOGONAL CONJUGATE OF X241

< 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) { 6, 7 }: Central Line L(6, 7) { 1, 41 }: Central Line L(1, 41) { 4, 218 }: Central Line L(4, 218) { 8, 220 }: Central Line L(8, 220) { 84, 580 }: Central Line L(84, 580) { 239, 666 }: Central Line L(239, 666) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_241 = -LINE CONJUGATE OF X(55) (1.1217, 1.2442) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_7 = GERGONNE POINT (0.5903, 0.2769) X_1 = INCENTER (0.5714, 0.2333) X_41 = -CEVA CONJUGATE OF X(31) (0.5823, 0.2244) X_4 = ORTHOCENTER (0.6122, 0.3958) X_218 = -CEVA CONJUGATE OF X(55) (0.6557, 0.3333) X_8 = NAGEL POINT (0.4694, 0.1333) X_220 = -CEVA CONJUGATE OF X(55) (0.4826, 0.1278) X_84 = ISOGONAL CONJUGATE OF X(40) (0.6071, 0.6816) X_580 = ORTHOGONAL OF X(284) (0.7089, 0.4470) X_239 = -LINE CONJUGATE OF X(42) (4.2109, 3.7992) X_666 = TRILINEAR POLE OF LINE X(2)X(11) (1.0982, 0.1428) X_294 = ISOGONAL CONJUGATE OF X(241) (0.9276, -0.0575) A B C X241 X6 X7 X1 X41 X4 X218 X8 X220 X84 X580 X239 X666 X294 (a, b, c) = (5, 6, 7) | AB = 1

X294 (ISOGONAL CONJUGATE OF X241) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_294 = ISOGONAL CONJUGATE OF X_241."""

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


        def construct_x_00294(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_294 = ISOGONAL CONJUGATE OF X_241 on reference triangle ABC."""
            X_241 = eval_trilinear_point(model, A, B, C, '(cos(B/2))**(4) - ((cos(A/2))**(2))*((cos(B/2))**(2) +(cos(C/2))**(2)) + (cos(C/2))**(4)', ID="X_241", classes=["center"])
            X_294 = isogonal_conjugate(model, A, B, C, X_241, ID="X_294", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_7 = gergonne_point_of(model, A, B, C, ID="X_7", classes=["center", "incident"])
            central_line(model, X_6, X_7, 6, 7, incident=True)
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_41 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b + c - a)', ID="X_41", classes=["center", "incident"])
            central_line(model, X_1, X_41, 1, 41, incident=True)
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_218 = eval_trilinear_point(model, A, B, C, '((cos(A/2))**(2)*((cos(B/2))**(4) + (cos(C/2))**(4) - (cos(A/2))**(4)))', ID="X_218", classes=["center", "incident"])
            central_line(model, X_4, X_218, 4, 218, incident=True)
            return promote_point_to_top(model, X_294)


        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_294 on the given reference triangle."""
            model = create_model('X_294 = ISOGONAL CONJUGATE OF X_241')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00294(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-00294.json"))
            write_center_svg(
                model_acute,
                here / "x-00294.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )