X44

X6-LINE CONJUGATE OF X1

X44 = crossdifference of PU(55)
< 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) { 1, 6 }: Incenter–Symmedian Line { 2, 89 }: Central Line L(2, 89) { 31, 210 }: Central Line L(31, 210) { 51, 209 }: Central Line L(51, 209) { 190, 239 }: Central Line L(190, 239) { 65, 374 }: Central Line L(65, 374) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_1 = INCENTER (0.5714, 0.2333) X_2 = CENTROID (0.5374, 0.2000) X_89 = ISOGONAL CONJUGATE OF X(45) (0.5963, 0.2697) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_210 = -CEVA CONJUGATE OF X(37) (0.4925, 0.1466) X_51 = CENTROID OF ORTHIC TRIANGLE (0.6093, 0.3186) X_209 = -CEVA CONJUGATE OF X(37) (0.7303, 0.4592) X_190 = YFF PARABOLIC POINT (0.0748, 0.3999) X_239 = -LINE CONJUGATE OF X(42) (4.2109, 3.7992) X_65 = ORTHOCENTER OF THE INTOUCH TRIANGLE (0.6041, 0.2933) X_374 = CENTROID OF THE PEDAL TRIANGLE OF X(9) (0.5449, 0.2238) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) A B C X6 X1 X2 X89 X31 X210 X51 X209 X190 X239 X65 X374 X44 (a, b, c) = (5, 6, 7) | AB = 1

X44 (X6-LINE CONJUGATE OF X1) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_44 = X_6-LINE CONJUGATE OF X_1."""

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


        def construct_x_00044(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_44 = X_6-LINE CONJUGATE OF X_1 on reference triangle ABC."""
            X_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_1, X_6, 1, 6, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_89 = eval_trilinear_point(model, A, B, C, '1/(2*b + 2*c - a)', ID="X_89", classes=["center", "incident"])
            central_line(model, X_2, X_89, 2, 89, incident=True)
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            X_210 = eval_trilinear_point(model, A, B, C, '(b + c)*(b + c - a)', ID="X_210", classes=["center", "incident"])
            central_line(model, X_31, X_210, 31, 210, incident=True)
            return promote_point_to_top(model, X_44)


        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_44 on the given reference triangle."""
            model = create_model('X_44 = X_6-LINE CONJUGATE OF X_1')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00044(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-00044.json"))
            write_center_svg(
                model_acute,
                here / "x-00044.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )