X2797

ISOGONAL CONJUGATE OF X2713

< 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) { 99, 107 }: Central Line L(99, 107) { 115, 122 }: Central Line L(115, 122) { 114, 133 }: Central Line L(114, 133) { 30, 511 }: Central Line L(30, 511) { 4, 684 }: Central Line L(4, 684) { 98, 1294 }: Central Line L(98, 1294) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2713 = SR(X(99), X(107)) (0.9135, 0.4011) X_99 = STEINER POINT (0.1109, 0.4322) X_107 = Ψ(SYMMEDIAN POINT, ORTHOCENTER) (0.5733, 0.6071) X_115 = CENTER OF KIEPERT HYPERBOLA (0.7507, 0.0838) X_122 = -OF-MEDIAL-TRIANGLE (0.5195, -0.0036) X_114 = KIEPERT ANTIPODE (0.3616, 0.4140) X_133 = INTERSECTION OF LINES X(4)X(74) AND X(5)X(122) (0.5928, 0.5014) X_30 = EULER INFINITY POINT (0.7469, 0.7481) X_511 = ISOGONAL CONJUGATE OF X(98) (0.2335, -0.3020) X_4 = ORTHOCENTER (0.6122, 0.3958) X_684 = CROSSDIFFERENCE OF X(4) AND X(32) (-1.3586, -0.3494) X_98 = TARRY POINT (0.8891, -0.2281) X_1294 = COLLINGS TRANSFORM OF X(122) (0.4267, -0.4030) X_2797 = ISOGONAL CONJUGATE OF X(2713) (-0.0115, -0.0076) A B C X2713 X99 X107 X115 X122 X114 X133 X30 X511 X4 X684 X98 X1294 X2797 (a, b, c) = (5, 6, 7) | AB = 1

X2797 (ISOGONAL CONJUGATE OF X2713) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2797 = ISOGONAL CONJUGATE OF X_2713."""

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


        def construct_x_02797(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2797 = ISOGONAL CONJUGATE OF X_2713 on reference triangle ABC."""
            X_2713 = point_from_barycentrics(model, A, B, C, -0.17278097, 0.50413526, 0.6686457, ID="X_2713", classes=["center"])
            X_2797 = isogonal_conjugate(model, A, B, C, X_2713, ID="X_2797", classes=["selected", "target"])
            X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
            X_107 = eval_trilinear_point(model, A, B, C, '1/(cos(A)*(sin(2*B) - sin(2*C)))', ID="X_107", classes=["center", "incident"])
            central_line(model, X_99, X_107, 99, 107, incident=True)
            X_115 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) - c**(2))**(2)', ID="X_115", classes=["center", "incident"])
            X_122 = eval_trilinear_point(model, A, B, C, '(b**(2) - c**(2))**(2)*(cos(A) - cos(B)*cos(C))*(cot(A))**(2)', ID="X_122", classes=["center", "incident"])
            central_line(model, X_115, X_122, 115, 122, incident=True)
            X_114 = eval_trilinear_point(model, A, B, C, 'b*c*(b*sec(B +  omega  ) + c*sec(C +  omega  ))', ID="X_114", classes=["center", "incident"])
            X_133 = eval_trilinear_point(model, A, B, C, '(sec(A))*((sin(2*B) - sin(2*C))**(2) + (sin(2*A))*(sin(2*B)) + (sin(2*A))*(sin(2*C)) - 2*(sin(2*B))*(sin(2*C)))*(2*sin(2*A) - sin(2*B) - sin(2*C))', ID="X_133", classes=["center", "incident"])
            central_line(model, X_114, X_133, 114, 133, incident=True)
            return promote_point_to_top(model, X_2797)


        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_2797 on the given reference triangle."""
            model = create_model('X_2797 = ISOGONAL CONJUGATE OF X_2713')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02797(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-02797.json"))
            write_center_svg(
                model_acute,
                here / "x-02797.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )