X1177

1st SARAGOSSA POINT OF X67

< 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) { 69, 110 }: Central Line L(69, 110) { 66, 125 }: Central Line L(66, 125) { 67, 468 }: Central Line L(67, 468) { 68, 542 }: Central Line L(68, 542) { 72, 692 }: Central Line L(72, 692) { 23, 895 }: Central Line L(23, 895) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_858 = COMPLEMENT OF X(23) (0.1126, -0.9116) X_69 = SYMMEDIAN POINT OF THE ANTICOMPLEMENTARY TRIANGLE (0.4122, 0.0654) X_110 = FOCUS OF KIEPERT PARABOLA (0.2516, 0.5478) X_66 = ISOGONAL CONJUGATE OF X(22) (0.5912, 1.0593) X_125 = CENTER OF JERABEK HYPERBOLA (0.6803, 0.0260) X_67 = ISOGONAL CONJUGATE OF X(23) (0.7606, -0.2152) X_468 = -LINE CONJUGATE OF X(3) (0.7498, 0.7558) X_68 = PRASOLOV POINT (-0.0535, -0.0055) X_542 = DIRECTION OF VECTOR AX + BX + CX, where X = X(98) (0.1649, 0.6534) X_72 = ISOGONAL CONJUGATE OF X(28) (0.4367, 0.0733) X_692 = -CEVA CONJUGATE OF X(101) (0.2833, 0.5715) X_23 = FAR-OUT POINT (1.3871, 2.4232) X_895 = ISOGONAL CONJUGATE OF X(468) (0.9484, -0.0134) X_1177 = 1st SARAGOSSA POINT OF X(67) (0.7694, -1.0073) A B C X858 X69 X110 X66 X125 X67 X468 X68 X542 X72 X692 X23 X895 X1177 (a, b, c) = (5, 6, 7) | AB = 1

X1177 (1st SARAGOSSA POINT OF X67) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1177 = 1st SARAGOSSA POINT OF X_67."""

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


        def construct_x_01177(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1177 = 1st SARAGOSSA POINT OF X_67 on reference triangle ABC."""
            X_858 = eval_trilinear_point(model, A, B, C, '(sin(C))**(3)*sin(2*B)*sin(C - A) + (sin(B))**(3)*sin(2*C)*sin(B - A)', ID="X_858", classes=["center"])
            X_1177 = isogonal_conjugate(model, A, B, C, X_858, ID="X_1177", classes=["selected", "target"])
            X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center", "incident"])
            X_110 = eval_trilinear_point(model, A, B, C, 'csc(B - C)', ID="X_110", classes=["center", "incident"])
            central_line(model, X_69, X_110, 69, 110, incident=True)
            X_66 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(4) + c**(4) - a**(4))', ID="X_66", classes=["center", "incident"])
            X_125 = eval_trilinear_point(model, A, B, C, 'cos(A)*(sin(B - C))**(2)', ID="X_125", classes=["center", "incident"])
            central_line(model, X_66, X_125, 66, 125, incident=True)
            X_67 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(4) + c**(4) - a**(4) - b**(2)*c**(2))', ID="X_67", classes=["center", "incident"])
            X_468 = eval_trilinear_point(model, A, B, C, '(sec(A))*(cot(B) + cot(C) - 2*cot(A))', ID="X_468", classes=["center", "incident"])
            central_line(model, X_67, X_468, 67, 468, incident=True)
            return promote_point_to_top(model, X_1177)


        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_1177 on the given reference triangle."""
            model = create_model('X_1177 = 1st SARAGOSSA POINT OF X_67')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01177(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-01177.json"))
            write_center_svg(
                model_acute,
                here / "x-01177.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )