X2597

TRILINEAR POLE OF PU(68)

< 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) { 655, 2595 }: Central Line L(655, 2595) { 1, 2603 }: Central Line L(1, 2603) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2601 = CROSSSUM OF PU(69) (0.5810, 0.2254) X_2602 = CROSSDIFFERENCE OF PU(69) (-1237.5118, 1171.2797) X_655 = TRILINEAR POLE OF LINE X(1)X(5) (1.0449, 0.2400) X_2595 = CROSSSUM OF PU(68) (0.5650, 0.2411) X_1 = INCENTER (0.5714, 0.2333) X_2603 = TRILINEAR POLE OF PU(69) (0.0091, 0.2419) X_2597 = TRILINEAR POLE OF PU(68) (-0.0331, 0.2426) A B C X2601 X2602 X655 X2595 X1 X2603 X2597 (a, b, c) = (5, 6, 7) | AB = 1

X2597 (TRILINEAR POLE OF PU(68)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2597 = TRILINEAR POLE OF PU(68)."""

        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,
            isogonal_conjugate,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02597(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2597 = TRILINEAR POLE OF PU(68) on reference triangle ABC."""
            X_2596 = eval_trilinear_point(model, A, B, C, 'cos(A - B)*cos(A - C) - (cos(B - C))**(2)', ID="X_2596", classes=["center"])
            X_2597 = isogonal_conjugate(model, A, B, C, X_2596, ID="X_2597", classes=["selected", "target"])
            X_655 = eval_trilinear_point(model, A, B, C, '1/(cos(A - B) - cos(C- A))', ID="X_655", classes=["center", "incident"])
            X_2595 = eval_trilinear_point(model, A, B, C, '(cos(A - B)*cos(A - C) + (cos(B - C))**(2))', ID="X_2595", classes=["center", "incident"])
            central_line(model, X_655, X_2595, 655, 2595, incident=True)
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_2603 = eval_trilinear_point(model, A, B, C, '(1/(sec(A - B)*sec(A - C) - (sec(B - C))**(2)))', ID="X_2603", classes=["center", "incident"])
            central_line(model, X_1, X_2603, 1, 2603, incident=True)
            return promote_point_to_top(model, X_2597)


        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_2597 on the given reference triangle."""
            model = create_model('X_2597 = TRILINEAR POLE OF PU(68)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02597(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-02597.json"))
            write_center_svg(
                model_acute,
                here / "x-02597.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )