X835

o-(2, 3) CIRCUMCIRCLE POINT

< 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) { 110, 190 }: Central Line L(110, 190) { 335, 741 }: Central Line L(335, 741) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_834 = ODD (2, 3) INFINITY POINT (1.0367, -0.1085) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_190 = YFF PARABOLIC POINT (0.0748, 0.3999) X_335 = ISOTOMIC CONJUGATE OF X(239) (1.0387, 0.0318) X_741 = EVEN (- 1, 1) CIRCUMCIRCLE POINT (1.0071, 0.0451) X_835 = o-(2, 3) CIRCUMCIRCLE POINT (0.1050, 0.4252) A B C X834 X110 X190 X335 X741 X835 (a, b, c) = (5, 6, 7) | AB = 1

X835 (o-(2, 3) CIRCUMCIRCLE POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_835 = o-(2, 3) CIRCUMCIRCLE POINT."""

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


        def construct_x_00835(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_835 = o-(2, 3) CIRCUMCIRCLE POINT on reference triangle ABC."""
            X_834 = eval_trilinear_point(model, A, B, C, '(a**(1)*(b**(3) - c**(3)) + a**(2)*(b**(2) - c**(2)))', ID="X_834", classes=["center"])
            X_835 = isogonal_conjugate(model, A, B, C, X_834, ID="X_835", classes=["selected", "target"])
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
            X_190 = eval_trilinear_point(model, A, B, C, 'b*c/(b - c)', ID="X_190", classes=["center", "incident"])
            central_line(model, X_110, X_190, 110, 190, incident=True)
            X_335 = eval_trilinear_point(model, A, B, C, 'b*c/(a**(2) - b*c)', ID="X_335", classes=["center", "incident"])
            X_741 = eval_trilinear_point(model, A, B, C, '(1/(a **(-2)*(b**(1) + c**(1)) - a**(0)*(b **(-1) + c **(-1))))', ID="X_741", classes=["center", "incident"])
            central_line(model, X_335, X_741, 335, 741, incident=True)
            return promote_point_to_top(model, X_835)


        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_835 on the given reference triangle."""
            model = create_model('X_835 = o-(2, 3) CIRCUMCIRCLE POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00835(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-00835.json"))
            write_center_svg(
                model_acute,
                here / "x-00835.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )