X2238

X2-ISOCONJUGATE OF X741

X2238 = bicentric sum of PU(90)
< 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 { 9, 43 }: Central Line L(9, 43) { 37, 42 }: Central Line L(37, 42) { 10, 213 }: Central Line L(10, 213) { 44, 513 }: Central Line L(44, 513) { 239, 350 }: Central Line L(239, 350) 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_9 = MITTENPUNKT (0.5110, 0.1615) X_43 = -CEVA CONJUGATE OF X(1) (0.6358, 0.2963) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_213 = -CEVA CONJUGATE OF X(42) (0.6135, 0.2833) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) X_513 = ISOGONAL CONJUGATE OF X(100) (1.0529, -0.0806) X_239 = -LINE CONJUGATE OF X(42) (4.2109, 3.7992) X_350 = -HIRST INVERSE OF X(75) (-3.5227, -3.1370) X_2238 = -ISOCONJUGATE OF X(741) (2.2505, 2.0410) A B C X2 X6 X9 X43 X37 X42 X10 X213 X44 X513 X239 X350 X2238 (a, b, c) = (5, 6, 7) | AB = 1

X2238 (X2-ISOCONJUGATE OF X741) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2238 = X_2-ISOCONJUGATE OF X_741."""

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


        def construct_x_02238(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2238 = X_2-ISOCONJUGATE OF X_741 on reference triangle ABC."""
            X_2238 = eval_trilinear_point(model, A, B, C, '(a**(2) - b*c)*(b + c)', ID="X_2238", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_2, X_6, 2, 6, incident=True)
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            X_43 = eval_trilinear_point(model, A, B, C, 'a*b + a*c - b*c', ID="X_43", classes=["center", "incident"])
            central_line(model, X_9, X_43, 9, 43, incident=True)
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", 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_37, X_42, 37, 42, incident=True)
            return promote_point_to_top(model, X_2238)


        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_2238 on the given reference triangle."""
            model = create_model('X_2238 = X_2-ISOCONJUGATE OF X_741')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02238(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-02238.json"))
            write_center_svg(
                model_acute,
                here / "x-02238.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )