X3171

X6-CEVA CONJUGATE OF X16

< 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) { 61, 110 }: Central Line L(61, 110) { 15, 184 }: Central Line L(15, 184) { 16, 323 }: Central Line L(16, 323) { 203, 2308 }: Central Line L(203, 2308) { 32, 3170 }: Central Line L(32, 3170) { 1994, 2004 }: Central Line L(1994, 2004) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_16 = 2nd ISODYNAMIC POINT (1.8453, 2.3239) X_61 = ISOGONAL CONJUGATE OF X(17) (0.5764, 0.2283) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_15 = 1st ISODYNAMIC POINT (0.5519, 0.1878) X_184 = INVERSE OF X(125) IN THE BROCARD CIRCLE (0.5788, 0.1496) X_323 = ISOTOMIC CONJUGATE OF X(94) (-0.8839, -1.3275) X_203 = -CEVA CONJUGATE OF X(16) (0.4136, 0.3918) X_2308 = -ISOCONJUGATE OF X(1255) (0.6059, 0.2758) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_3170 = -CEVA CONJUGATE OF X(15) (0.6796, 0.3225) X_1994 = ORTHOCORRESPONDENT OF X(5) (0.6334, 0.3031) X_2004 = ORTHOCORRESPONDENT OF X(61) (0.6075, 0.3138) X_3171 = -CEVA CONJUGATE OF X(16) (0.4050, 0.3969) A B C X6 X16 X61 X110 X15 X184 X323 X203 X2308 X32 X3170 X1994 X2004 X3171 (a, b, c) = (5, 6, 7) | AB = 1

X3171 (X6-CEVA CONJUGATE OF X16) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3171 = X_6-CEVA CONJUGATE OF X_16."""

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


        def construct_x_03171(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3171 = X_6-CEVA CONJUGATE OF X_16 on reference triangle ABC."""
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center"])
            X_16 = eval_trilinear_point(model, A, B, C, 'sin(A-  pi  /3)', ID="X_16", classes=["center"])
            X_3171 = ceva_conjugate(model, A, B, C, X_6, X_16, ID="X_3171", classes=["selected", "target"])
            X_61 = eval_trilinear_point(model, A, B, C, 'sin(A +  pi  /6)', ID="X_61", classes=["center", "incident"])
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
            central_line(model, X_61, X_110, 61, 110, incident=True)
            X_15 = eval_trilinear_point(model, A, B, C, 'sin(A +  pi  /3)', ID="X_15", classes=["center", "incident"])
            X_184 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A)', ID="X_184", classes=["center", "incident"])
            central_line(model, X_15, X_184, 15, 184, incident=True)
            X_323 = eval_trilinear_point(model, A, B, C, 'sin(3*A)*(csc(A))**(2)', ID="X_323", classes=["center", "incident"])
            central_line(model, X_16, X_323, 16, 323, incident=True)
            return promote_point_to_top(model, X_3171)


        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_3171 on the given reference triangle."""
            model = create_model('X_3171 = X_6-CEVA CONJUGATE OF X_16')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03171(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-03171.json"))
            write_center_svg(
                model_acute,
                here / "x-03171.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )