X2701

SR(X98, X102)

X2701 = reflection of X2708 in X3
< 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) { 2708, 3 }: Central Line L(2708, 3) { 98, 515 }: Central Line L(98, 515) { 102, 511 }: Central Line L(102, 511) { 99, 522 }: Central Line L(99, 522) { 109, 512 }: Central Line L(109, 512) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2708 = SR(X(98), X(109)) (0.0010, -0.0050) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_98 = TARRY POINT (0.8891, -0.2281) X_515 = ISOGONAL CONJUGATE OF X(102) (0.6804, 0.7691) X_102 = Λ(INCENTER, ORTHOCENTER) (0.6364, -0.3897) X_511 = ISOGONAL CONJUGATE OF X(98) (0.2335, -0.3020) X_99 = STEINER POINT (0.1109, 0.4322) X_522 = ISOGONAL CONJUGATE OF X(109) (-0.0318, 0.3430) X_109 = Ψ(INCENTER, CIRCUMCENTER) (0.3636, 0.5938) X_512 = ISOGONAL CONJUGATE OF X(99) (1.0394, -0.1040) X_2701 = SR(X(98), X(102)) (0.9990, 0.2091) A B C X2708 X3 X98 X515 X102 X511 X99 X522 X109 X512 X2701 (a, b, c) = (5, 6, 7) | AB = 1

X2701 (SR(X98, X102)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2701 = SR(X_98, X_102)."""

        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_02701(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2701 = SR(X_98, X_102) on reference triangle ABC."""
            X_2701 = eval_trilinear_point(model, A, B, C, '(a/((b - c)*(a**(3) + b**(3) + c**(3) - 2*a**(2)*b - 2*a**(2)*c + a*b*c)))', ID="X_2701", classes=["selected", "target"])
            X_98 = eval_trilinear_point(model, A, B, C, 'sec(A +  omega  )', ID="X_98", classes=["center", "incident"])
            X_515 = eval_trilinear_point(model, A, B, C, '(b + c)*sec(A) - b*sec(B) - c*sec(C)', ID="X_515", classes=["center", "incident"])
            central_line(model, X_98, X_515, 98, 515, incident=True)
            X_102 = eval_trilinear_point(model, A, B, C, '1/(sin(B)*(sec(A) - sec(B)) + sin(C)*(sec(A) - sec(C)))', ID="X_102", classes=["center", "incident"])
            X_511 = eval_trilinear_point(model, A, B, C, 'cos(A +  omega  )', ID="X_511", classes=["center", "incident"])
            central_line(model, X_102, X_511, 102, 511, incident=True)
            X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
            X_522 = eval_trilinear_point(model, A, B, C, '(cos(B) - cos(C))*(csc(A))', ID="X_522", classes=["center", "incident"])
            central_line(model, X_99, X_522, 99, 522, incident=True)
            return promote_point_to_top(model, X_2701)


        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_2701 on the given reference triangle."""
            model = create_model('X_2701 = SR(X_98, X_102)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02701(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-02701.json"))
            write_center_svg(
                model_acute,
                here / "x-02701.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )