X560

4th POWER 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) { 31, 48 }: Central Line L(31, 48) { 1, 82 }: Central Line L(1, 82) { 42, 584 }: Central Line L(42, 584) { 100, 697 }: Central Line L(100, 697) { 101, 713 }: Central Line L(101, 713) { 110, 715 }: Central Line L(110, 715) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_561 = ISOGONAL CONJUGATE OF 4th POWER POINT (0.4126, 0.1125) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_48 = CROSSPOINT OF X(1) AND X(63) (0.5412, 0.1246) X_1 = INCENTER (0.5714, 0.2333) X_82 = ISOGONAL CONJUGATE OF X(38) (0.5943, 0.2703) X_42 = CROSSPOINT OF INCENTER AND SYMMEDIAN POINT (0.5880, 0.2495) X_584 = ORTHOHARMONIC OF X(500) (0.5720, 0.2209) X_100 = ANTICOMPLEMENT OF FEUERBACH POINT (0.1429, 0.4666) X_697 = EVEN (- 4, - 3) CIRCUMCIRCLE POINT (0.9705, 0.2996) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_713 = EVEN (- 3, - 2) CIRCUMCIRCLE POINT (0.9916, 0.2389) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_715 = EVEN (- 3, - 1) CIRCUMCIRCLE POINT (1.0000, 0.2040) X_560 = 4th POWER POINT (0.6520, 0.3639) A B C X561 X31 X48 X1 X82 X42 X584 X100 X697 X101 X713 X110 X715 X560 (a, b, c) = (5, 6, 7) | AB = 1

X560 (4th POWER POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_560 = 4th POWER 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,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00560(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_560 = 4th POWER POINT on reference triangle ABC."""
            X_560 = eval_trilinear_point(model, A, B, C, 'a**(4)', ID="X_560", classes=["selected", "target"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center", "incident"])
            central_line(model, X_31, X_48, 31, 48, incident=True)
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_82 = eval_trilinear_point(model, A, B, C, '1/(b**(2) + c**(2))', ID="X_82", classes=["center", "incident"])
            central_line(model, X_1, X_82, 1, 82, incident=True)
            X_42 = eval_trilinear_point(model, A, B, C, 'a*(b + c)', ID="X_42", classes=["center", "incident"])
            X_584 = eval_trilinear_point(model, A, B, C, '(a*(a*b**(2) + a*c**(2) + b*c**(2) + b**(2)*c + 2*a*b*c - a**(3)))', ID="X_584", classes=["center", "incident"])
            central_line(model, X_42, X_584, 42, 584, incident=True)
            return promote_point_to_top(model, X_560)


        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_560 on the given reference triangle."""
            model = create_model('X_560 = 4th POWER POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00560(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-00560.json"))
            write_center_svg(
                model_acute,
                here / "x-00560.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )