X3468

X5-CEVA CONJUGATE OF X3336

< 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) { 1, 4 }: Incenter–Orthocenter Line { 36, 1410 }: Central Line L(36, 1410) { 62, 1652 }: Central Line L(62, 1652) { 62, 1653 }: Central Line L(62, 1653) { 47, 1758 }: Central Line L(47, 1758) { 1047, 1718 }: Central Line L(1047, 1718) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_3336 = INTERSECTION OF LINES X(1)X(3) AND X(7)X(498) (0.6341, 0.3483) X_1 = INCENTER (0.5714, 0.2333) X_4 = ORTHOCENTER (0.6122, 0.3958) X_36 = INVERSE-IN-CIRCUMCIRCLE OF INCENTER (1.3333, 1.6330) X_1410 = -BETH CONJUGATE OF X(73) (0.6303, 0.2394) X_62 = ISOGONAL CONJUGATE OF X(18) (0.6446, 0.3409) X_1652 = 4th EVANS PERSPECTOR (0.5899, 0.2763) X_1653 = 5th EVANS PERSPECTOR (0.6584, 0.3759) X_47 = -BETH CONJUGATE OF X(34) (0.7279, 0.4389) X_1758 = MIMOSA TRANSFORM OF X(296) (1.1982, 1.3847) X_1047 = -CEVA CONJUGATE OF X(1) (0.5281, -0.0076) X_1718 = MIMOSA TRANSFORM OF X(36) (0.1143, 0.6999) X_3468 = -CEVA CONJUGATE OF X(3336) (0.5161, 0.0130) A B C X5 X3336 X1 X4 X36 X1410 X62 X1652 X1653 X47 X1758 X1047 X1718 X3468 (a, b, c) = (5, 6, 7) | AB = 1

X3468 (X5-CEVA CONJUGATE OF X3336) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3468 = X_5-CEVA CONJUGATE OF X_3336."""

        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,
            incenter_of,
            orthocenter_of,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03468(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3468 = X_5-CEVA CONJUGATE OF X_3336 on reference triangle ABC."""
            X_3468 = eval_trilinear_point(model, A, B, C, '2 - sec(A) + sec(B) + sec(C)', ID="X_3468", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            central_line(model, X_1, X_4, 1, 4, incident=True)
            X_36 = eval_trilinear_point(model, A, B, C, '1 - 2*cos(A)', ID="X_36", classes=["center", "incident"])
            X_1410 = point_from_barycentrics(model, A, B, C, 0.21489592, 0.38593986, 0.39916422, ID="X_1410", classes=["center", "incident"])
            central_line(model, X_36, X_1410, 36, 1410, incident=True)
            X_62 = eval_trilinear_point(model, A, B, C, 'sin(A -  pi  /6)', ID="X_62", classes=["center", "incident"])
            X_1652 = eval_trilinear_point(model, A, B, C, '(sqrt(3/4) - sin(A +  pi  /3) + sin(B +  pi  /3) + sin(C +  pi  /3))', ID="X_1652", classes=["center", "incident"])
            central_line(model, X_62, X_1652, 62, 1652, incident=True)
            return promote_point_to_top(model, X_3468)


        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_3468 on the given reference triangle."""
            model = create_model('X_3468 = X_5-CEVA CONJUGATE OF X_3336')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03468(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-03468.json"))
            write_center_svg(
                model_acute,
                here / "x-03468.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )