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X₃₃₉¶

ISOTOMIC CONJUGATE OF X₂₅₀

X₃₃₉ (ISOTOMIC CONJUGATE OF X₂₅₀) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_339 = ISOTOMIC CONJUGATE OF X_250."""

        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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            isotomic_conjugate,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00339(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_339 = ISOTOMIC CONJUGATE OF X_250 on reference triangle ABC."""
            X_250 = eval_trilinear_point(model, A, B, C, '(sec(A))*(csc(B - C))**(2)', ID="X_250", classes=["center"])
            X_339 = isotomic_conjugate(model, A, B, C, X_250, ID="X_339", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
            central_line(model, X_3, X_76, 3, 76, 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_127 = eval_trilinear_point(model, A, B, C, 'b*c*(sin(2*B) - sin(2*C))*((b**(2) - c**(2))*sin(2*A) - b**(2)*sin(2*B) + c**(2)*sin(2*C))', ID="X_127", classes=["center", "incident"])
            central_line(model, X_115, X_127, 115, 127, incident=True)
            X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center", "incident"])
            X_265 = eval_trilinear_point(model, A, B, C, 'sin(2*A)*csc(3*A)', ID="X_265", classes=["center", "incident"])
            central_line(model, X_69, X_265, 69, 265, incident=True)
            return promote_point_to_top(model, X_339)


        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_339 on the given reference triangle."""
            model = create_model('X_339 = ISOTOMIC CONJUGATE OF X_250')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00339(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-00339.json"))
            write_center_svg(
                model_acute,
                here / "x-00339.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X339¶

X₃₃₉¶