X2844

ISOGONAL CONJUGATE OF X2760

< 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) { 106, 112 }: Central Line L(106, 112) { 121, 127 }: Central Line L(121, 127) { 30, 511 }: Central Line L(30, 511) { 923, 1042 }: Central Line L(923, 1042) { 1293, 1297 }: Central Line L(1293, 1297) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2760 = SR(X(106), X(112)) (-0.0103, 0.0962) X_106 = Λ(INCENTER, CENTROID) (1.0000, 0.0000) X_112 = Ψ(ORTHOCENTER, SYMMEDIAN POINT) (0.5162, 0.6121) X_121 = -OF-MEDIAL-TRIANGLE (0.3061, 0.2999) X_127 = -OF-MEDIAL-TRIANGLE (0.5480, -0.0061) X_30 = EULER INFINITY POINT (0.7469, 0.7481) X_511 = ISOGONAL CONJUGATE OF X(98) (0.2335, -0.3020) X_923 = POINT ALBIREO (1.0002, -0.0544) X_1042 = CROSSPOINT OF X(1) AND X(64) (0.6427, 0.3981) X_1293 = COLLINGS TRANSFORM OF X(121) (0.0000, 0.2041) X_1297 = COLLINGS TRANSFORM OF X(127) (0.4838, -0.4080) X_2844 = ISOGONAL CONJUGATE OF X(2760) (-2812745.4475, 3558964.8224) A B C X2760 X106 X112 X121 X127 X30 X511 X923 X1042 X1293 X1297 X2844 (a, b, c) = (5, 6, 7) | AB = 1

X2844 (ISOGONAL CONJUGATE OF X2760) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2844 = ISOGONAL CONJUGATE OF X_2760."""

        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,
            isogonal_conjugate,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02844(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2844 = ISOGONAL CONJUGATE OF X_2760 on reference triangle ABC."""
            X_2760 = point_from_barycentrics(model, A, B, C, 0.94806498, -0.10850709, 0.16044211, ID="X_2760", classes=["center"])
            X_2844 = isogonal_conjugate(model, A, B, C, X_2760, ID="X_2844", classes=["selected", "target"])
            X_106 = eval_trilinear_point(model, A, B, C, 'a/(2*a - b - c)', ID="X_106", classes=["center", "incident"])
            X_112 = eval_trilinear_point(model, A, B, C, 'a/(sin(2*B) - sin(2*C))', ID="X_112", classes=["center", "incident"])
            central_line(model, X_106, X_112, 106, 112, incident=True)
            X_121 = eval_trilinear_point(model, A, B, C, '(b*c*(b + c - 2*a)*(b**(3) + c**(3) + a*(b**(2) + c**(2)) - 2*b*c*(b + c)))', ID="X_121", classes=["center", "incident"])
            X_127 = eval_trilinear_point(model, A, B, C, 'b*c*(sin(2*B) - sin(2*C))*((b**(2) - c**(2))*sin(2*A) - b**(2)*sin(2*B) + c**(2)*sin(2*C))', ID="X_127", classes=["center", "incident"])
            central_line(model, X_121, X_127, 121, 127, incident=True)
            X_30 = eval_trilinear_point(model, A, B, C, 'cos(A) - 2*cos(B)*cos(C)', ID="X_30", classes=["center", "incident"])
            X_511 = eval_trilinear_point(model, A, B, C, 'cos(A +  omega  )', ID="X_511", classes=["center", "incident"])
            central_line(model, X_30, X_511, 30, 511, incident=True)
            return promote_point_to_top(model, X_2844)


        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_2844 on the given reference triangle."""
            model = create_model('X_2844 = ISOGONAL CONJUGATE OF X_2760')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02844(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-02844.json"))
            write_center_svg(
                model_acute,
                here / "x-02844.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )