X745

EVEN (- 1, 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) { 38, 99 }: Central Line L(38, 99) { 75, 689 }: Central Line L(75, 689) { 31, 827 }: Central Line L(31, 827) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_744 = EVEN (- 1, 3) INFINITY POINT (0.1365, -0.2286) X_38 = CROSSPOINT OF X(1) AND X(75) (0.5443, 0.1976) X_99 = STEINER POINT (0.1109, 0.4322) X_75 = ISOTOMIC CONJUGATE OF INCENTER (0.4988, 0.1682) X_689 = TRILINEAR POLE OF LINE X(6)X(76) (0.0585, 0.3579) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_827 = o-(0, 4) CIRCUMCIRCLE POINT (0.3242, 0.5811) X_745 = EVEN (- 1, 3) CIRCUMCIRCLE POINT (0.9892, -0.0432) A B C X744 X38 X99 X75 X689 X31 X827 X745 (a, b, c) = (5, 6, 7) | AB = 1

X745 (EVEN (- 1, 3) CIRCUMCIRCLE POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_745 = EVEN (- 1, 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_00745(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_745 = EVEN (- 1, 3) CIRCUMCIRCLE POINT on reference triangle ABC."""
            X_744 = eval_trilinear_point(model, A, B, C, '(a **(-2)*(b**(3) + c**(3)) - a**(2)*(b **(-1) + c **(-1)))', ID="X_744", classes=["center"])
            X_745 = isogonal_conjugate(model, A, B, C, X_744, ID="X_745", classes=["selected", "target"])
            X_38 = eval_trilinear_point(model, A, B, C, 'b**(2) + c**(2)', ID="X_38", classes=["center", "incident"])
            X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
            central_line(model, X_38, X_99, 38, 99, incident=True)
            X_75 = eval_trilinear_point(model, A, B, C, '1/a**(2)', ID="X_75", classes=["center", "incident"])
            X_689 = eval_trilinear_point(model, A, B, C, '1/(a**(3)*(b**(4) - c**(4)))', ID="X_689", classes=["center", "incident"])
            central_line(model, X_75, X_689, 75, 689, incident=True)
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            X_827 = eval_trilinear_point(model, A, B, C, '1/(a**(-1)*(b**(4) - c**(4)) + a**(3)*(b**(0) - c**(0)))', ID="X_827", classes=["center", "incident"])
            central_line(model, X_31, X_827, 31, 827, incident=True)
            return promote_point_to_top(model, X_745)


        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_745 on the given reference triangle."""
            model = create_model('X_745 = EVEN (- 1, 3) CIRCUMCIRCLE POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00745(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-00745.json"))
            write_center_svg(
                model_acute,
                here / "x-00745.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )