X2587

X3-ISOCONJUGATE OF X2575

< 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) { 1, 29 }: Central Line L(1, 29) { 108, 1114 }: Central Line L(108, 1114) { 162, 1823 }: Central Line L(162, 1823) { 240, 2580 }: Central Line L(240, 2580) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2585 = -ISOCONJUGATE OF X(1114) (0.5804, -0.2985) X_1 = INCENTER (0.5714, 0.2333) X_29 = CEVAPOINT OF INCENTER AND ORTHOCENTER (0.5903, 0.3384) X_108 = Ψ(CIRCUMCENTER, INCENTER) (0.5320, 0.6114) X_1114 = 2nd EULER-LINE-CIRCUMCIRCLE INTERSECTION (0.3178, -0.3746) X_162 = CEVAPOINT OF X(108) AND X(109) (0.4897, 0.6018) X_1823 = ISOGONAL CONJUGATE OF X(2589) (0.3317, -0.0818) X_240 = -LINE CONJUGATE OF X(48) (0.7457, 0.8594) X_2580 = -ISOCONJUGATE OF X(2574) (0.7025, 0.5830) X_2587 = -ISOCONJUGATE OF X(2575) (1.1547, 3.4774) A B C X2585 X1 X29 X108 X1114 X162 X1823 X240 X2580 X2587 (a, b, c) = (5, 6, 7) | AB = 1

X2587 (X3-ISOCONJUGATE OF X2575) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2587 = X_3-ISOCONJUGATE OF X_2575."""

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


        def construct_x_02587(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2587 = X_3-ISOCONJUGATE OF X_2575 on reference triangle ABC."""
            X_2585 = point_from_barycentrics(model, A, B, C, 0.61255605, 0.88501944, -0.49757549, ID="X_2585", classes=["center"])
            X_2587 = isogonal_conjugate(model, A, B, C, X_2585, ID="X_2587", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_29 = eval_trilinear_point(model, A, B, C, '(sec(A))/(cos(B) + cos(C))', ID="X_29", classes=["center", "incident"])
            central_line(model, X_1, X_29, 1, 29, incident=True)
            X_108 = eval_trilinear_point(model, A, B, C, 'a/(sec(B) - sec(C))', ID="X_108", classes=["center", "incident"])
            X_1114 = eval_trilinear_point(model, A, B, C, '(R + d)*cos(A) - 2*R*cos(B)*cos(C)', ID="X_1114", classes=["center", "incident"])
            central_line(model, X_108, X_1114, 108, 1114, incident=True)
            X_162 = eval_trilinear_point(model, A, B, C, '1/(sin(2*B) - sin(2*C))', ID="X_162", classes=["center", "incident"])
            X_1823 = point_from_barycentrics(model, A, B, C, 0.72123578, 0.4152025, -0.13643829, ID="X_1823", classes=["center", "incident"])
            central_line(model, X_162, X_1823, 162, 1823, incident=True)
            return promote_point_to_top(model, X_2587)


        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_2587 on the given reference triangle."""
            model = create_model('X_2587 = X_3-ISOCONJUGATE OF X_2575')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02587(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-02587.json"))
            write_center_svg(
                model_acute,
                here / "x-02587.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )