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X₂₀₈₄¶

PK-TRANSFORM OF X₃₁

X₂₀₈₄ (PK-TRANSFORM OF X₃₁) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_2084 = PK-TRANSFORM OF X_31."""

        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,
            crosspoint,
            eval_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02084(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2084 = PK-TRANSFORM OF X_31 on reference triangle ABC."""
            X_661 = eval_trilinear_point(model, A, B, C, 'cot(B) - cot(C)', ID="X_661", classes=["center"])
            X_798 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b**(2) - c**(2))', ID="X_798", classes=["center"])
            X_2084 = crosspoint(model, A, B, C, X_661, X_798, ID="X_2084", classes=["selected", "target"])
            X_514 = eval_trilinear_point(model, A, B, C, '(b - c)/a', ID="X_514", classes=["center", "incident"])
            central_line(model, X_514, X_661, 514, 661, incident=True)
            X_667 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b - c)', ID="X_667", classes=["center", "incident"])
            X_788 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b**(3) - c**(3))', ID="X_788", classes=["center", "incident"])
            central_line(model, X_667, X_788, 667, 788, incident=True)
            X_512 = eval_trilinear_point(model, A, B, C, 'a*(b**(2) - c**(2))', ID="X_512", classes=["center", "incident"])
            X_1500 = eval_trilinear_point(model, A, B, C, 'a*(b + c)**(2)', ID="X_1500", classes=["center", "incident"])
            central_line(model, X_512, X_1500, 512, 1500, incident=True)
            return promote_point_to_top(model, X_2084)


        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_2084 on the given reference triangle."""
            model = create_model('X_2084 = PK-TRANSFORM OF X_31')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02084(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-02084.json"))
            write_center_svg(
                model_acute,
                here / "x-02084.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X2084¶

X₂₀₈₄¶