X1252

ISOGONAL CONJUGATE OF X1086

< 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) { 59, 672 }: Central Line L(59, 672) { 100, 650 }: Central Line L(100, 650) { 101, 649 }: Central Line L(101, 649) { 44, 765 }: Central Line L(44, 765) { 110, 813 }: Central Line L(110, 813) { 644, 906 }: Central Line L(644, 906) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1086 = CENTER OF HYPERBOLA {{A,B,C,X(2),X(7)|} (0.7687, 0.1000) X_59 = ISOGONAL CONJUGATE OF X(11) (0.5333, 0.4355) X_672 = CROSSDIFFERENCE OF X(1) AND X(514) (1.9245, 2.2184) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_650 = CROSSDIFFERENCE OF X(1) AND X(3) (13.7143, -4.1991) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_649 = CROSSDIFFERENCE OF X(1) and X(2) (-21.0000, 14.6969) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) X_765 = CEVAPOINT OF X(1) AND X(100) (0.4286, 0.3110) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_813 = o-(- 1, 1) CIRCUMCIRCLE POINT (0.9721, -0.0916) X_644 = TRILINEAR MULTIPLIER FOR YFF PARABOLA (-0.0171, 0.3359) X_906 = INTERSECTION OF LINES X(100)X(112) AND X(101)X(109) (-0.2109, 0.3287) X_1252 = ISOGONAL CONJUGATE OF X(1086) (0.4699, 0.3541) A B C X1086 X59 X672 X100 X650 X101 X649 X44 X765 X110 X813 X644 X906 X1252 (a, b, c) = (5, 6, 7) | AB = 1

X1252 (ISOGONAL CONJUGATE OF X1086) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1252 = ISOGONAL CONJUGATE OF X_1086."""

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


        def construct_x_01252(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1252 = ISOGONAL CONJUGATE OF X_1086 on reference triangle ABC."""
            X_1086 = eval_trilinear_point(model, A, B, C, '(b*c*(b - c)**(2))', ID="X_1086", classes=["center"])
            X_1252 = isogonal_conjugate(model, A, B, C, X_1086, ID="X_1252", classes=["selected", "target"])
            X_59 = eval_trilinear_point(model, A, B, C, '1/(1 - cos(B - C))', ID="X_59", classes=["center", "incident"])
            X_672 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) + c**(2) - a*(b + c))', ID="X_672", classes=["center", "incident"])
            central_line(model, X_59, X_672, 59, 672, incident=True)
            X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center", "incident"])
            X_650 = eval_trilinear_point(model, A, B, C, 'cos(B) - cos(C)', ID="X_650", classes=["center", "incident"])
            central_line(model, X_100, X_650, 100, 650, incident=True)
            X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center", "incident"])
            X_649 = eval_trilinear_point(model, A, B, C, 'a*(b - c)', ID="X_649", classes=["center", "incident"])
            central_line(model, X_101, X_649, 101, 649, incident=True)
            return promote_point_to_top(model, X_1252)


        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_1252 on the given reference triangle."""
            model = create_model('X_1252 = ISOGONAL CONJUGATE OF X_1086')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01252(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-01252.json"))
            write_center_svg(
                model_acute,
                here / "x-01252.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )