X729

EVEN (- 2, 0) CIRCUMCIRCLE POINT

X729 = Λ(X2, X39)
< 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) { 6, 99 }: Central Line L(6, 99) { 32, 110 }: Central Line L(32, 110) { 100, 213 }: Central Line L(100, 213) { 83, 689 }: Central Line L(83, 689) { 187, 805 }: Central Line L(187, 805) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_538 = DIRECTION OF VECTOR AX + BX + CX, where X = X(39) (1.0053, 0.5542) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_99 = STEINER POINT (0.1109, 0.4322) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_213 = -CEVA CONJUGATE OF X(42) (0.6135, 0.2833) X_83 = CEVAPOINT OF CENTROID AND SYMMEDIAN POINT (0.5651, 0.2360) X_689 = TRILINEAR POLE OF LINE X(6)X(76) (0.0585, 0.3579) X_187 = INVERSE-IN-CIRCUMCIRCLE OF X(6) (SCHOUTE CENTER) (1.1986, 1.2559) X_805 = o-(- 2, 2) CIRCUMCIRCLE POINT (0.9729, -0.0897) X_729 = EVEN (- 2, 0) CIRCUMCIRCLE POINT (1.0096, 0.1290) A B C X538 X6 X99 X32 X110 X100 X213 X83 X689 X187 X805 X729 (a, b, c) = (5, 6, 7) | AB = 1

X729 (EVEN (- 2, 0) CIRCUMCIRCLE POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_729 = EVEN (- 2, 0) 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,
            point_from_barycentrics,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00729(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_729 = EVEN (- 2, 0) CIRCUMCIRCLE POINT on reference triangle ABC."""
            X_538 = point_from_barycentrics(model, A, B, C, -0.75777793, 0.11558409, 0.64219384, ID="X_538", classes=["center"])
            X_729 = isogonal_conjugate(model, A, B, C, X_538, ID="X_729", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", 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_6, X_99, 6, 99, incident=True)
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
            central_line(model, X_32, X_110, 32, 110, incident=True)
            X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center", "incident"])
            X_213 = eval_trilinear_point(model, A, B, C, '(b + c)*a**(2)', ID="X_213", classes=["center", "incident"])
            central_line(model, X_100, X_213, 100, 213, incident=True)
            return promote_point_to_top(model, X_729)


        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_729 on the given reference triangle."""
            model = create_model('X_729 = EVEN (- 2, 0) CIRCUMCIRCLE POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00729(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-00729.json"))
            write_center_svg(
                model_acute,
                here / "x-00729.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )