X2788

ISOGONAL CONJUGATE OF X2704

< 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) { 98, 105 }: Central Line L(98, 105) { 114, 120 }: Central Line L(114, 120) { 30, 511 }: Central Line L(30, 511) { 99, 1292 }: Central Line L(99, 1292) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2704 = SR(X(98), X(105)) (0.8916, -0.2251) X_98 = TARRY POINT (0.8891, -0.2281) X_105 = Λ(INCENTER, SYMMEDIAN POINT) (0.9714, -0.0933) X_114 = KIEPERT ANTIPODE (0.3616, 0.4140) X_120 = -OF-MEDIAL-TRIANGLE (0.3204, 0.3466) X_30 = EULER INFINITY POINT (0.7469, 0.7481) X_511 = ISOGONAL CONJUGATE OF X(98) (0.2335, -0.3020) X_99 = STEINER POINT (0.1109, 0.4322) X_1292 = COLLINGS TRANSFORM OF X(55) (0.0286, 0.2974) X_2788 = ISOGONAL CONJUGATE OF X(2704) (0.2315, -0.3009) A B C X2704 X98 X105 X114 X120 X30 X511 X99 X1292 X2788 (a, b, c) = (5, 6, 7) | AB = 1

X2788 (ISOGONAL CONJUGATE OF X2704) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2788 = ISOGONAL CONJUGATE OF X_2704."""

        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_02788(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2788 = ISOGONAL CONJUGATE OF X_2704 on reference triangle ABC."""
            X_2704 = point_from_barycentrics(model, A, B, C, 0.25390548, 1.1213867, -0.37529215, ID="X_2704", classes=["center"])
            X_2788 = isogonal_conjugate(model, A, B, C, X_2704, ID="X_2788", classes=["selected", "target"])
            X_98 = eval_trilinear_point(model, A, B, C, 'sec(A +  omega  )', ID="X_98", classes=["center", "incident"])
            X_105 = eval_trilinear_point(model, A, B, C, '1/(b**(2) + c**(2) - a*(b + c))', ID="X_105", classes=["center", "incident"])
            central_line(model, X_98, X_105, 98, 105, incident=True)
            X_114 = eval_trilinear_point(model, A, B, C, 'b*c*(b*sec(B +  omega  ) + c*sec(C +  omega  ))', ID="X_114", classes=["center", "incident"])
            X_120 = eval_trilinear_point(model, A, B, C, 'b*c*(2*a*b*c - (b + c)*(a**(2) + (b - c)**(2)))*(b**(2) + c**(2) - a*b -a*c)', ID="X_120", classes=["center", "incident"])
            central_line(model, X_114, X_120, 114, 120, 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_2788)


        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_2788 on the given reference triangle."""
            model = create_model('X_2788 = ISOGONAL CONJUGATE OF X_2704')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02788(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-02788.json"))
            write_center_svg(
                model_acute,
                here / "x-02788.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )