X3343

X2-CEVA CONJUGATE OF X1073

< A B C >: Reference Triangle △ABC < M_a M_b M_c >: Medial Triangle △M_a M_b M_c [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 2, 1032 }: Central Line L(2, 1032) { 4, 64 }: Central Line L(4, 64) { 57, 282 }: Central Line L(57, 282) { 6, 1073 }: Central Line L(6, 1073) { 154, 1301 }: Central Line L(154, 1301) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) M_a = Midpoint M_a of BC (0.8061, 0.2999) M_b = Midpoint M_b of CA (0.3061, 0.2999) M_c = Midpoint M_c of AB (0.5000, 0.0000) X_2 = CENTROID (0.5374, 0.2000) X_1032 = CYCLOCEVIAN CONJUGATE OF X(20) (0.3836, -0.1007) X_4 = ORTHOCENTER (0.6122, 0.3958) X_64 = ISOGONAL CONJUGATE OF X(20) (0.5579, 1.5943) X_57 = ISOGONAL CONJUGATE OF X(9) (0.6138, 0.3110) X_282 = -CROSS CONJUGATE OF X(9) (0.6199, 0.7507) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_1073 = -CROSS CONJUGATE OF X(3) (0.4792, -0.4343) X_154 = -CEVA CONJUGATE OF X(6) (0.4807, -0.3954) X_1301 = COLLINGS TRANSFORM OF X(235) (0.6568, 0.5877) X_3343 = -CEVA CONJUGATE OF X(1073) (0.6143, 0.3503) A B C Ma Mb Mc X2 X1032 X4 X64 X57 X282 X6 X1073 X154 X1301 X3343 (a, b, c) = (5, 6, 7) | AB = 1

X3343 (X2-CEVA CONJUGATE OF X1073) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3343 = X_2-CEVA CONJUGATE OF X_1073."""

        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,
            centroid_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            intersect_lines,
            orthocenter_of,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03343(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3343 = X_2-CEVA CONJUGATE OF X_1073 on reference triangle ABC."""
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
            X_64 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - cos(B)*cos(C))', ID="X_64", classes=["center"])
            X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center"])
            X_282 = eval_trilinear_point(model, A, B, C, '(cot(A/2))/(-1 - cos(A) + cos(B) + cos(C))', ID="X_282", classes=["center"])
            central_line(model, X_4, X_64, 4, 64)
            central_line(model, X_57, X_282, 57, 282)
            X_3343 = intersect_lines(model, X_4, X_64, X_57, X_282, ID="X_3343", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_1032 = point_from_barycentrics(model, A, B, C, 0.68146836, 0.48642354, -0.1678919, ID="X_1032", classes=["center", "incident"])
            central_line(model, X_2, X_1032, 2, 1032, incident=True)
            return promote_point_to_top(model, X_3343)


        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_3343 on the given reference triangle."""
            model = create_model('X_3343 = X_2-CEVA CONJUGATE OF X_1073')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03343(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-03343.json"))
            write_center_svg(
                model_acute,
                here / "x-03343.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )