X787

o-(- 3, - 1) 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) { 662, 689 }: Central Line L(662, 689) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_786 = ODD (- 3, - 1) INFINITY POINT (0.0039, 0.4444) X_662 = TRILINEAR POLE OF LINE X(1)X(21) (0.1811, 0.4951) X_689 = TRILINEAR POLE OF LINE X(6)X(76) (0.0585, 0.3579) X_787 = o-(- 3, - 1) CIRCUMCIRCLE POINT (0.1963, 0.5122) A B C X786 X662 X689 X787 (a, b, c) = (5, 6, 7) | AB = 1

X787 (o-(- 3, - 1) CIRCUMCIRCLE POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_787 = o-(- 3, - 1) 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_00787(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_787 = o-(- 3, - 1) CIRCUMCIRCLE POINT on reference triangle ABC."""
            X_786 = eval_trilinear_point(model, A, B, C, '(a **(-4)*(b **(-1) - c **(-1)) + a **(-2)*(b **(-3) - c **(-3)))', ID="X_786", classes=["center"])
            X_787 = isogonal_conjugate(model, A, B, C, X_786, ID="X_787", classes=["selected", "target"])
            X_662 = eval_trilinear_point(model, A, B, C, '1/(cot(B) - cot(C))', ID="X_662", 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_662, X_689, 662, 689, incident=True)
            return promote_point_to_top(model, X_787)


        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_787 on the given reference triangle."""
            model = create_model('X_787 = o-(- 3, - 1) CIRCUMCIRCLE POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00787(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-00787.json"))
            write_center_svg(
                model_acute,
                here / "x-00787.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )