X3360

SS(a → bc) OF X20

< 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) { 6, 194 }: Central Line L(6, 194) { 1, 2162 }: Central Line L(1, 2162) { 159, 2076 }: Central Line L(159, 2076) { 1740, 2176 }: Central Line L(1740, 2176) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1613 = TCC-PERSPECTOR OF X(31) (0.7015, 0.3763) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_194 = -CEVA CONJUGATE OF X(2) (0.6989, 0.3222) X_1 = INCENTER (0.5714, 0.2333) X_2162 = -ISOCONJUGATE OF X(43) (0.5193, 0.2016) X_159 = -OF-TANGENTIAL-TRIANGLE (0.4211, -0.7266) X_2076 = INVERSE-IN-CIRCUMCIRCLE OF X(39) (1.3982, 1.5854) X_1740 = MIMOSA TRANSFORM OF X(184) (0.7017, 0.3500) X_2176 = -ISOCONJUGATE OF X(87) (0.6513, 0.3282) X_3360 = SS(a → bc) OF X(20) (0.9152, 0.4425) A B C X1613 X6 X194 X1 X2162 X159 X2076 X1740 X2176 X3360 (a, b, c) = (5, 6, 7) | AB = 1

X3360 (SS(a → bc) OF X20) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3360 = SS(a → bc) OF X_20."""

        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,
            ceva_conjugate,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            incenter_of,
            point_from_barycentrics,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03360(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3360 = SS(a → bc) OF X_20 on reference triangle ABC."""
            X_1613 = eval_trilinear_point(model, A, B, C, '(a*(b**(2)*c**(2) - c**(2)*a**(2) - a**(2)*b**(2)))', ID="X_1613", classes=["center"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_3360 = ceva_conjugate(model, A, B, C, X_1613, X_6, ID="X_3360", classes=["selected", "target"])
            X_194 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(2)*b**(2) + a**(2)*c**(2) - b**(2)*c**(2))', ID="X_194", classes=["center", "incident"])
            central_line(model, X_6, X_194, 6, 194, incident=True)
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_2162 = point_from_barycentrics(model, A, B, C, 0.35035055, 0.31361109, 0.33603836, ID="X_2162", classes=["center", "incident"])
            central_line(model, X_1, X_2162, 1, 2162, incident=True)
            X_159 = eval_trilinear_point(model, A, B, C, '(a*((a**(2) + b**(2) + c**(2))*sin(2*A) + (c**(2) - b**(2) - a**(2))*sin(2*B) + (b**(2) - c**(2) - a**(2))*sin(2*C)))', ID="X_159", classes=["center", "incident"])
            X_2076 = eval_trilinear_point(model, A, B, C, '(sin(A) - 2*cos(A)*sin(2*omega) )', ID="X_2076", classes=["center", "incident"])
            central_line(model, X_159, X_2076, 159, 2076, incident=True)
            return promote_point_to_top(model, X_3360)


        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_3360 on the given reference triangle."""
            model = create_model('X_3360 = SS(a → bc) OF X_20')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03360(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-03360.json"))
            write_center_svg(
                model_acute,
                here / "x-03360.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )