X731

EVEN (- 2, 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) { 1, 789 }: Central Line L(1, 789) { 32, 825 }: Central Line L(32, 825) { 100, 869 }: Central Line L(100, 869) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_730 = EVEN (- 2, 1) INFINITY POINT (0.0843, -0.1730) X_1 = INCENTER (0.5714, 0.2333) X_789 = o-(- 3, 0) CIRCUMCIRCLE POINT (0.0826, 0.3957) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_825 = o-(0, 3) CIRCUMCIRCLE POINT (0.2886, 0.5665) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_869 = INTERSECTION OF LINES X(1)X(2) AND X(31)X(32) (0.6039, 0.2651) X_731 = EVEN (- 2, 1) CIRCUMCIRCLE POINT (1.0101, 0.0876) A B C X730 X1 X789 X32 X825 X100 X869 X731 (a, b, c) = (5, 6, 7) | AB = 1

X731 (EVEN (- 2, 1) CIRCUMCIRCLE POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_731 = EVEN (- 2, 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,
            incenter_of,
            isogonal_conjugate,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00731(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_731 = EVEN (- 2, 1) CIRCUMCIRCLE POINT on reference triangle ABC."""
            X_730 = eval_trilinear_point(model, A, B, C, '(a **(-3)*(b**(1) + c**(1)) - a**(0)*(b **(-2) + c **(-2)))', ID="X_730", classes=["center"])
            X_731 = isogonal_conjugate(model, A, B, C, X_730, ID="X_731", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_789 = eval_trilinear_point(model, A, B, C, 'a **(- 2)/(b**(3) - c**(3))', ID="X_789", classes=["center", "incident"])
            central_line(model, X_1, X_789, 1, 789, incident=True)
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
            X_825 = eval_trilinear_point(model, A, B, C, '1/(a**(-1)*(b**(3) - c**(3)) + a**(2)*(b**(0) - c**(0)))', ID="X_825", classes=["center", "incident"])
            central_line(model, X_32, X_825, 32, 825, incident=True)
            X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center", "incident"])
            X_869 = eval_trilinear_point(model, A, B, C, '(a**(2)*(b**(2) + c**(2) + b*c))', ID="X_869", classes=["center", "incident"])
            central_line(model, X_100, X_869, 100, 869, incident=True)
            return promote_point_to_top(model, X_731)


        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_731 on the given reference triangle."""
            model = create_model('X_731 = EVEN (- 2, 1) CIRCUMCIRCLE POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00731(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-00731.json"))
            write_center_svg(
                model_acute,
                here / "x-00731.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )