X3764

X869com[T(bc, b²)]

< 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) { 75, 256 }: Central Line L(75, 256) { 6, 560 }: Central Line L(6, 560) { 291, 751 }: Central Line L(291, 751) { 320, 982 }: Central Line L(320, 982) { 674, 869 }: Central Line L(674, 869) { 42, 2183 }: Central Line L(42, 2183) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_256 = 1st SHARYGIN POINT (0.5601, 0.2146) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_560 = 4th POWER POINT (0.6520, 0.3639) X_291 = 2nd SHARYGIN POINT (1.0249, 0.0364) X_751 = ISOGONAL CONJUGATE OF X(750) (0.5754, 0.2311) X_320 = ISOTOMIC CONJUGATE OF X(80) (-2.6735, -3.5993) X_982 = INTERSECTION OF LINES X(1)X(3) AND X(2)X(38) (0.5508, 0.1955) X_674 = CROSSDIFFERENCE OF X(6) AND X(514) (0.2078, -0.2856) X_869 = INTERSECTION OF LINES X(1)X(2) AND X(31)X(32) (0.6039, 0.2651) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_2183 = -ISOCONJUGATE OF X(104) (1.5000, 2.4495) X_3764 = com[T(bc, b2)] (0.5796, 0.2293) A B C X75 X256 X6 X560 X291 X751 X320 X982 X674 X869 X42 X2183 X3764 (a, b, c) = (5, 6, 7) | AB = 1

X3764 (X869com[T(bc, b²)]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3764 = X_869com[T(bc, b²)]."""

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


        def construct_x_03764(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3764 = X_869com[T(bc, b²)] on reference triangle ABC."""
            X_3764 = eval_barycentric_point(model, A, B, C, 'a**(2)*(b**(3) + c**(3) + a*b*c)', ID="X_3764", classes=["selected", "target"])
            X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center", "incident"])
            X_256 = eval_trilinear_point(model, A, B, C, '1/(a**(2) + b*c)', ID="X_256", classes=["center", "incident"])
            central_line(model, X_75, X_256, 75, 256, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_560 = eval_trilinear_point(model, A, B, C, 'a**(4)', ID="X_560", classes=["center", "incident"])
            central_line(model, X_6, X_560, 6, 560, incident=True)
            X_291 = eval_trilinear_point(model, A, B, C, '1/(a**(2) - b*c)', ID="X_291", classes=["center", "incident"])
            X_751 = eval_trilinear_point(model, A, B, C, '1/(a**(2) + 2*b*c)', ID="X_751", classes=["center", "incident"])
            central_line(model, X_291, X_751, 291, 751, incident=True)
            return promote_point_to_top(model, X_3764)


        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_3764 on the given reference triangle."""
            model = create_model('X_3764 = X_869com[T(bc, b²)]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03764(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-03764.json"))
            write_center_svg(
                model_acute,
                here / "x-03764.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )