X827

o-(0, 4) 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) { 5, 83 }: Central Line L(5, 83) { 111, 251 }: Central Line L(111, 251) { 6, 755 }: Central Line L(6, 755) { 32, 733 }: Central Line L(32, 733) { 31, 745 }: Central Line L(31, 745) { 82, 759 }: Central Line L(82, 759) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_826 = ODD (0, 4) INFINITY POINT (1.1003, 0.0340) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_83 = CEVAPOINT OF CENTROID AND SYMMEDIAN POINT (0.5651, 0.2360) X_111 = PARRY POINT (0.9885, -0.0457) X_251 = ISOGONAL CONJUGATE OF X(141) (0.6177, 0.3042) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_755 = EVEN (0, 4) CIRCUMCIRCLE POINT (0.9524, -0.1340) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_733 = EVEN (- 2, 2) CIRCUMCIRCLE POINT (1.0071, 0.0450) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_745 = EVEN (- 1, 3) CIRCUMCIRCLE POINT (0.9892, -0.0432) X_82 = ISOGONAL CONJUGATE OF X(38) (0.5943, 0.2703) X_759 = EVEN (1, 3) CIRCUMCIRCLE POINT (0.9498, -0.1389) X_827 = o-(0, 4) CIRCUMCIRCLE POINT (0.3242, 0.5811) A B C X826 X5 X83 X111 X251 X6 X755 X32 X733 X31 X745 X82 X759 X827 (a, b, c) = (5, 6, 7) | AB = 1

X827 (o-(0, 4) CIRCUMCIRCLE POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_827 = o-(0, 4) 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,
            nine_point_center_of,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00827(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_827 = o-(0, 4) CIRCUMCIRCLE POINT on reference triangle ABC."""
            X_826 = eval_trilinear_point(model, A, B, C, 'a **(-1)*(b**(4) - c**(4)) + a**(3)*(b**(0) - c**(0))', ID="X_826", classes=["center"])
            X_827 = isogonal_conjugate(model, A, B, C, X_826, ID="X_827", classes=["selected", "target"])
            X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
            X_83 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) + c**(2))', ID="X_83", classes=["center", "incident"])
            central_line(model, X_5, X_83, 5, 83, incident=True)
            X_111 = eval_trilinear_point(model, A, B, C, 'a/(2*a**(2) - b**(2) - c**(2))', ID="X_111", classes=["center", "incident"])
            X_251 = eval_trilinear_point(model, A, B, C, 'a**(2)*csc(A +  omega  )', ID="X_251", classes=["center", "incident"])
            central_line(model, X_111, X_251, 111, 251, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_755 = eval_trilinear_point(model, A, B, C, '(1/(a **(-1)*(b**(4) + c**(4)) - a**(3)*(b**(0) + c**(0))))', ID="X_755", classes=["center", "incident"])
            central_line(model, X_6, X_755, 6, 755, incident=True)
            return promote_point_to_top(model, X_827)


        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_827 on the given reference triangle."""
            model = create_model('X_827 = o-(0, 4) CIRCUMCIRCLE POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00827(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-00827.json"))
            write_center_svg(
                model_acute,
                here / "x-00827.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )