X1304

COLLINGS TRANSFORM OF X403

< 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) { 74, 186 }: Central Line L(74, 186) { 111, 232 }: Central Line L(111, 232) { 110, 250 }: Central Line L(110, 250) { 4, 477 }: Central Line L(4, 477) { 98, 468 }: Central Line L(98, 468) { 107, 523 }: Central Line L(107, 523) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_74 = ISOGONAL CONJUGATE OF EULER INFINITY POINT (0.7484, -0.3437) X_186 = INVERSE-IN-CIRCUMCIRCLE OF X(4) (0.7957, 0.8758) X_111 = PARRY POINT (0.9885, -0.0457) X_232 = -CEVA CONJUGATE OF X(132) (0.6919, 0.7779) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_250 = ISOGONAL CONJUGATE OF X(125) (0.5892, 0.5347) X_4 = ORTHOCENTER (0.6122, 0.3958) X_477 = TIXIER ANTIPODE (0.0176, -0.0644) X_98 = TARRY POINT (0.8891, -0.2281) X_468 = -LINE CONJUGATE OF X(3) (0.7498, 0.7558) X_107 = Ψ(SYMMEDIAN POINT, ORTHOCENTER) (0.5733, 0.6071) X_523 = ISOGONAL CONJUGATE OF X(110) (1.0856, -0.0096) X_1304 = COLLINGS TRANSFORM OF X(403) (0.7822, 0.5273) A B C X74 X186 X111 X232 X110 X250 X4 X477 X98 X468 X107 X523 X1304 (a, b, c) = (5, 6, 7) | AB = 1

X1304 (COLLINGS TRANSFORM OF X403) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1304 = COLLINGS TRANSFORM OF X_403."""

        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_01304(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1304 = COLLINGS TRANSFORM OF X_403 on reference triangle ABC."""
            X_1304 = eval_trilinear_point(model, A, B, C, '(sin(A))/((tan(B) - tan(C))*(tan(B) + tan(C) - 2*tan(A)))', ID="X_1304", classes=["selected", "target"])
            X_74 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - 2*cos(B)*cos(C))', ID="X_74", classes=["center", "incident"])
            X_186 = eval_trilinear_point(model, A, B, C, '4*cos(A) - sec(A)', ID="X_186", classes=["center", "incident"])
            central_line(model, X_74, X_186, 74, 186, incident=True)
            X_111 = eval_trilinear_point(model, A, B, C, 'a/(2*a**(2) - b**(2) - c**(2))', ID="X_111", classes=["center", "incident"])
            X_232 = eval_trilinear_point(model, A, B, C, 'tan(A)*cos(A +  omega  )', ID="X_232", classes=["center", "incident"])
            central_line(model, X_111, X_232, 111, 232, incident=True)
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
            X_250 = eval_trilinear_point(model, A, B, C, '(sec(A))*(csc(B - C))**(2)', ID="X_250", classes=["center", "incident"])
            central_line(model, X_110, X_250, 110, 250, incident=True)
            return promote_point_to_top(model, X_1304)


        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_1304 on the given reference triangle."""
            model = create_model('X_1304 = COLLINGS TRANSFORM OF X_403')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01304(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-01304.json"))
            write_center_svg(
                model_acute,
                here / "x-01304.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )