X2068

POINT CURSA I

< 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, 366 }: Central Line L(6, 366) { 43, 365 }: Central Line L(43, 365) { 364, 1743 }: Central Line L(364, 1743) 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_366 = ISOGONAL CONJUGATE OF X(365) (0.5551, 0.2165) X_43 = -CEVA CONJUGATE OF X(1) (0.6358, 0.2963) X_365 = SQUARE ROOT POINT (0.5864, 0.2502) X_364 = WABASH CENTER (EQUAL AREAS ISOSCELIZER POINT) (0.5406, 0.1984) X_1743 = MIMOSA TRANSFORM OF X(222) (0.6798, 0.3620) X_2068 = POINT CURSA I (0.5779, 0.2423) A B C X6 X366 X43 X365 X364 X1743 X2068 (a, b, c) = (5, 6, 7) | AB = 1

X2068 (POINT CURSA I) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2068 = POINT CURSA I."""

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


        def construct_x_02068(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2068 = POINT CURSA I on reference triangle ABC."""
            X_2068 = eval_trilinear_point(model, A, B, C, '(a + b**(1/2)*c**(1/2))', ID="X_2068", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_366 = eval_trilinear_point(model, A, B, C, 'a**(-1/2)', ID="X_366", classes=["center", "incident"])
            central_line(model, X_6, X_366, 6, 366, incident=True)
            X_43 = eval_trilinear_point(model, A, B, C, 'a*b + a*c - b*c', ID="X_43", classes=["center", "incident"])
            X_365 = eval_trilinear_point(model, A, B, C, 'a**(1/2)', ID="X_365", classes=["center", "incident"])
            central_line(model, X_43, X_365, 43, 365, incident=True)
            X_364 = eval_trilinear_point(model, A, B, C, 'b**(1/2) + c**(1/2) - a**(1/2)', ID="X_364", classes=["center", "incident"])
            X_1743 = eval_trilinear_point(model, A, B, C, '3*a - b - c', ID="X_1743", classes=["center", "incident"])
            central_line(model, X_364, X_1743, 364, 1743, incident=True)
            return promote_point_to_top(model, X_2068)


        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_2068 on the given reference triangle."""
            model = create_model('X_2068 = POINT CURSA I')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02068(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-02068.json"))
            write_center_svg(
                model_acute,
                here / "x-02068.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )