X2604

MIDPOINT OF PU(69)

X2604 is the midpoint of pu(69).
< 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) { 2599, 2600 }: Central Line L(2599, 2600) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2599 = SUM OF PU(69) (0.5631, 0.2411) X_2600 = DIFFERENCE OF PU(69) (2.7368, 1.7763) X_2604 = MIDPOINT OF PU(69) (0.5630, 0.2410) A B C X2599 X2600 X2604 (a, b, c) = (5, 6, 7) | AB = 1

X2604 (MIDPOINT OF PU(69)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2604 = MIDPOINT OF PU(69)."""

        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,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02604(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2604 = MIDPOINT OF PU(69) on reference triangle ABC."""
            X_2604 = eval_trilinear_point(model, A, B, C, '((a*sec(B - A) + b*sec(C - B) + c*sec(A - C))*sec(C - A) + (a*sec(C - A) + b*sec(A - B) + c*sec(B - C))*sec(B - A))', ID="X_2604", classes=["selected", "target"])
            X_2599 = eval_trilinear_point(model, A, B, C, 'sec(C- A) + sec(B - A)', ID="X_2599", classes=["center", "incident"])
            X_2600 = eval_trilinear_point(model, A, B, C, '(sec(C- A) - sec(B - A))', ID="X_2600", classes=["center", "incident"])
            central_line(model, X_2599, X_2600, 2599, 2600, incident=True)
            return promote_point_to_top(model, X_2604)


        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_2604 on the given reference triangle."""
            model = create_model('X_2604 = MIDPOINT OF PU(69)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02604(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-02604.json"))
            write_center_svg(
                model_acute,
                here / "x-02604.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )