X2882

ISOGONAL CONJUGATE OF X2868

< 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) { 30, 511 }: Central Line L(30, 511) { 25, 694 }: Central Line L(25, 694) { 315, 670 }: Central Line L(315, 670) { 32, 1084 }: Central Line L(32, 1084) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2868 = SM(X(110), X(111)) (-0.0042, 0.1807) X_30 = EULER INFINITY POINT (0.7469, 0.7481) X_511 = ISOGONAL CONJUGATE OF X(98) (0.2335, -0.3020) X_25 = HOMOTHETIC CENTER OF ORTHIC AND TANGENTIAL TRIANGLES (0.6329, 0.4497) X_694 = ISOGONAL CONJUGATE OF X(385) (1.0179, 0.0378) X_315 = ISOTOMIC CONJUGATE OF X(66) (0.3323, -0.0666) X_670 = TRILINEAR POLE OF LINE X(2)X(39) (-0.0057, 0.2948) X_32 = 3rd POWER POINT (0.6400, 0.3332) X_1084 = CROSSPOINT OF X(2) AND X(512) (0.8090, 0.1525) X_2882 = ISOGONAL CONJUGATE OF X(2868) (0.9382, -0.2287) A B C X2868 X30 X511 X25 X694 X315 X670 X32 X1084 X2882 (a, b, c) = (5, 6, 7) | AB = 1

X2882 (ISOGONAL CONJUGATE OF X2868) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2882 = ISOGONAL CONJUGATE OF X_2868."""

        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_02882(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2882 = ISOGONAL CONJUGATE OF X_2868 on reference triangle ABC."""
            X_2868 = point_from_barycentrics(model, A, B, C, 0.88742966, -0.18862182, 0.30119216, ID="X_2868", classes=["center"])
            X_2882 = isogonal_conjugate(model, A, B, C, X_2868, ID="X_2882", classes=["selected", "target"])
            X_30 = eval_trilinear_point(model, A, B, C, 'cos(A) - 2*cos(B)*cos(C)', ID="X_30", classes=["center", "incident"])
            X_511 = eval_trilinear_point(model, A, B, C, 'cos(A +  omega  )', ID="X_511", classes=["center", "incident"])
            central_line(model, X_30, X_511, 30, 511, incident=True)
            X_25 = eval_trilinear_point(model, A, B, C, 'sin(A)*tan(A)', ID="X_25", classes=["center", "incident"])
            X_694 = eval_trilinear_point(model, A, B, C, 'a/(a**(4) - b**(2)*c**(2))', ID="X_694", classes=["center", "incident"])
            central_line(model, X_25, X_694, 25, 694, incident=True)
            X_315 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(4) + c**(4) - a**(4))', ID="X_315", classes=["center", "incident"])
            X_670 = eval_trilinear_point(model, A, B, C, '1/(a**(3)*(b**(2) - c**(2)))', ID="X_670", classes=["center", "incident"])
            central_line(model, X_315, X_670, 315, 670, incident=True)
            return promote_point_to_top(model, X_2882)


        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_2882 on the given reference triangle."""
            model = create_model('X_2882 = ISOGONAL CONJUGATE OF X_2868')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02882(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-02882.json"))
            write_center_svg(
                model_acute,
                here / "x-02882.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )