X2846

ISOGONAL CONJUGATE OF X2762

< 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) { 107, 109 }: Central Line L(107, 109) { 122, 124 }: Central Line L(122, 124) { 117, 133 }: Central Line L(117, 133) { 30, 511 }: Central Line L(30, 511) { 102, 1294 }: Central Line L(102, 1294) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2762 = SR(X(107), X(109)) (0.6741, 0.5818) X_107 = Ψ(SYMMEDIAN POINT, ORTHOCENTER) (0.5733, 0.6071) X_109 = Ψ(INCENTER, CIRCUMCENTER) (0.3636, 0.5938) X_122 = -OF-MEDIAL-TRIANGLE (0.5195, -0.0036) X_124 = -OF-MEDIAL-TRIANGLE (0.6243, 0.0030) X_117 = MIDPOINT OF X(4) AND X(109) (0.4879, 0.4948) 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_102 = Λ(INCENTER, ORTHOCENTER) (0.6364, -0.3897) X_1294 = COLLINGS TRANSFORM OF X(122) (0.4267, -0.4030) X_2846 = ISOGONAL CONJUGATE OF X(2762) (1.1231, 0.2370) A B C X2762 X107 X109 X122 X124 X117 X133 X30 X511 X102 X1294 X2846 (a, b, c) = (5, 6, 7) | AB = 1

X2846 (ISOGONAL CONJUGATE OF X2762) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2846 = ISOGONAL CONJUGATE OF X_2762."""

        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_02846(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2846 = ISOGONAL CONJUGATE OF X_2762 on reference triangle ABC."""
            X_2762 = point_from_barycentrics(model, A, B, C, -0.050107095, 0.08028427, 0.96982283, ID="X_2762", classes=["center"])
            X_2846 = isogonal_conjugate(model, A, B, C, X_2762, ID="X_2846", classes=["selected", "target"])
            X_107 = eval_trilinear_point(model, A, B, C, '1/(cos(A)*(sin(2*B) - sin(2*C)))', ID="X_107", classes=["center", "incident"])
            X_109 = eval_trilinear_point(model, A, B, C, 'a/(cos(B) - cos(C))', ID="X_109", classes=["center", "incident"])
            central_line(model, X_107, X_109, 107, 109, incident=True)
            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"])
            X_124 = eval_trilinear_point(model, A, B, C, '(b*c*(b + c - a)*(b - c)**(2)*((b + c)*(b**(2) + c**(2) - a**(2) - b*c) + a*b*c))', ID="X_124", classes=["center", "incident"])
            central_line(model, X_122, X_124, 122, 124, incident=True)
            X_117 = point_from_barycentrics(model, A, B, C, 0.19223485, -0.017045455, 0.82481061, ID="X_117", 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_117, X_133, 117, 133, incident=True)
            return promote_point_to_top(model, X_2846)


        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_2846 on the given reference triangle."""
            model = create_model('X_2846 = ISOGONAL CONJUGATE OF X_2762')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02846(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-02846.json"))
            write_center_svg(
                model_acute,
                here / "x-02846.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )