X1501

TRILINEAR 5th POWER POINT

X1501 = crossdifference of every pair of points on line X826X850
< 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, 22 }: Central Line L(6, 22) { 32, 184 }: Central Line L(32, 184) { 101, 697 }: Central Line L(101, 697) { 110, 699 }: Central Line L(110, 699) { 154, 1184 }: Central Line L(154, 1184) { 701, 825 }: Central Line L(701, 825) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1502 = ISOGONAL CONJUGATE OF X(1501) (0.3682, 0.0896) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_22 = EXETER POINT (0.4143, -0.1221) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_184 = INVERSE OF X(125) IN THE BROCARD CIRCLE (0.5788, 0.1496) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_697 = EVEN (- 4, - 3) CIRCUMCIRCLE POINT (0.9705, 0.2996) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_699 = EVEN (- 4, - 2) CIRCUMCIRCLE POINT (0.9822, 0.2692) X_154 = -CEVA CONJUGATE OF X(6) (0.4807, -0.3954) X_1184 = 2nd SARAGOSSA POINT OF X(25) (0.6413, 0.3116) X_701 = EVEN (- 4, - 1) CIRCUMCIRCLE POINT (0.9924, 0.2359) X_825 = o-(0, 3) CIRCUMCIRCLE POINT (0.2886, 0.5665) X_1501 = TRILINEAR 5th POWER POINT (0.6596, 0.3922) A B C X1502 X6 X22 X32 X184 X101 X697 X110 X699 X154 X1184 X701 X825 X1501 (a, b, c) = (5, 6, 7) | AB = 1

X1501 (TRILINEAR 5th POWER POINT) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1501 = TRILINEAR 5th 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,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01501(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1501 = TRILINEAR 5th POWER POINT on reference triangle ABC."""
            X_1501 = eval_trilinear_point(model, A, B, C, 'a**(5)', ID="X_1501", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_22 = eval_trilinear_point(model, A, B, C, 'a*(b**(4) + c**(4) - a**(4))', ID="X_22", classes=["center", "incident"])
            central_line(model, X_6, X_22, 6, 22, incident=True)
            X_32 = eval_trilinear_point(model, A, B, C, 'a**(3)', ID="X_32", classes=["center", "incident"])
            X_184 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A)', ID="X_184", classes=["center", "incident"])
            central_line(model, X_32, X_184, 32, 184, incident=True)
            X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center", "incident"])
            X_697 = eval_trilinear_point(model, A, B, C, '(1/(a **(-5)*(b **(-3) + c **(-3)) - a **(-4)*(b **(-4) + c **(-4))))', ID="X_697", classes=["center", "incident"])
            central_line(model, X_101, X_697, 101, 697, incident=True)
            return promote_point_to_top(model, X_1501)


        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_1501 on the given reference triangle."""
            model = create_model('X_1501 = TRILINEAR 5th POWER POINT')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01501(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-01501.json"))
            write_center_svg(
                model_acute,
                here / "x-01501.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )