X743

EVEN (- 1, 2) 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) { 2, 789 }: Central Line L(2, 789) { 31, 825 }: Central Line L(31, 825) { 101, 869 }: Central Line L(101, 869) { 665, 761 }: Central Line L(665, 761) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_742 = EVEN (- 1, 2) INFINITY POINT (0.1179, -0.2104) X_2 = CENTROID (0.5374, 0.2000) X_789 = o-(- 3, 0) CIRCUMCIRCLE POINT (0.0826, 0.3957) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_825 = o-(0, 3) CIRCUMCIRCLE POINT (0.2886, 0.5665) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_869 = INTERSECTION OF LINES X(1)X(2) AND X(31)X(32) (0.6039, 0.2651) X_665 = CROSSDIFFERENCE OF X(2) AND X(11) (1.4579, 1.0988) X_761 = EVEN (1, 4) CIRCUMCIRCLE POINT (0.9239, -0.1820) X_743 = EVEN (- 1, 2) CIRCUMCIRCLE POINT (1.0002, 0.0008) A B C X742 X2 X789 X31 X825 X101 X869 X665 X761 X743 (a, b, c) = (5, 6, 7) | AB = 1

X743 (EVEN (- 1, 2) CIRCUMCIRCLE POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_743 = EVEN (- 1, 2) 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,
            centroid_of,
            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_00743(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_743 = EVEN (- 1, 2) CIRCUMCIRCLE POINT on reference triangle ABC."""
            X_742 = eval_trilinear_point(model, A, B, C, '(a **(-2)*(b**(2) + c**(2)) - a**(1)*(b **(-1) + c **(-1)))', ID="X_742", classes=["center"])
            X_743 = isogonal_conjugate(model, A, B, C, X_742, ID="X_743", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", 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_2, X_789, 2, 789, incident=True)
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", 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_31, X_825, 31, 825, incident=True)
            X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", 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_101, X_869, 101, 869, incident=True)
            return promote_point_to_top(model, X_743)


        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_743 on the given reference triangle."""
            model = create_model('X_743 = EVEN (- 1, 2) CIRCUMCIRCLE POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00743(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-00743.json"))
            write_center_svg(
                model_acute,
                here / "x-00743.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )