X3427

X3-VERTEX CONJUGATE OF X7

< 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) { 9, 515 }: Central Line L(9, 515) { 104, 1617 }: Central Line L(104, 1617) { 943, 944 }: Central Line L(943, 944) { 1156, 2829 }: Central Line L(1156, 2829) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_3428 = ISOGONAL CONJUGATE OF X(3427) (0.4510, 0.0120) X_9 = MITTENPUNKT (0.5110, 0.1615) X_515 = ISOGONAL CONJUGATE OF X(102) (0.6804, 0.7691) X_104 = ANTIPODE OF X(100) (0.8571, -0.2624) X_1617 = TCC-PERSPECTOR OF X(57) (0.6629, 0.4014) X_943 = ISOGONAL CONJUGATE OF X(942) (0.5528, 0.2043) X_944 = HOFSTADTER TRAPEZOID POINT (0.5306, 0.0708) X_1156 = ISOGONAL CONJUGATE OF X(1155) (0.8791, -0.1436) X_2829 = ISOGONAL CONJUGATE OF X(2745) (0.3328, 0.7500) X_3427 = -VERTEX CONJUGATE OF X(7) (0.6136, 0.5700) A B C X3428 X9 X515 X104 X1617 X943 X944 X1156 X2829 X3427 (a, b, c) = (5, 6, 7) | AB = 1

X3427 (X3-VERTEX CONJUGATE OF X7) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3427 = X_3-VERTEX CONJUGATE OF X_7."""

        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_barycentric_point,
            eval_trilinear_point,
            mittenpunkt_of,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03427(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3427 = X_3-VERTEX CONJUGATE OF X_7 on reference triangle ABC."""
            X_3427 = eval_barycentric_point(model, A, B, C, '(1/(a**(5) - a**(4)*(b + c) - 2*a**(3)*(b**(2) + c**(2)) + 2*a**(2)*(b + c)*(b - c)**(2) + a*(b**(4) + 6*b**(2)*c**(2) + c**(4)) - (b + c)*(b - c)**(4)))', ID="X_3427", classes=["selected", "target"])
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", 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_9, X_515, 9, 515, incident=True)
            X_104 = eval_trilinear_point(model, A, B, C, '1/(-1 + cos(B) + cos(C))', ID="X_104", classes=["center", "incident"])
            X_1617 = point_from_barycentrics(model, A, B, C, 0.077591558, 0.25325885, 0.6691496, ID="X_1617", classes=["center", "incident"])
            central_line(model, X_104, X_1617, 104, 1617, incident=True)
            X_943 = eval_trilinear_point(model, A, B, C, '(1/(2*a*b*c + (b + c)*(a - b + c)*(a + b - c)))', ID="X_943", classes=["center", "incident"])
            X_944 = eval_trilinear_point(model, A, B, C, 'b*c*(3*a**(4) - 2*a**(3)*(b + c) + (b - c)**(2)*(2*a*b + 2*a*c - 2*b*c - b**(2) - c**(2) - 2*a**(2)))', ID="X_944", classes=["center", "incident"])
            central_line(model, X_943, X_944, 943, 944, incident=True)
            return promote_point_to_top(model, X_3427)


        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_3427 on the given reference triangle."""
            model = create_model('X_3427 = X_3-VERTEX CONJUGATE OF X_7')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03427(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-03427.json"))
            write_center_svg(
                model_acute,
                here / "x-03427.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )