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X₂₂₁₃¶

X₂-ISOCONJUGATE OF X₃₈₀

X₂₂₁₃ (X₂-ISOCONJUGATE OF X₃₈₀) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_2213 = X_2-ISOCONJUGATE OF X_380."""

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


        def construct_x_02213(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2213 = X_2-ISOCONJUGATE OF X_380 on reference triangle ABC."""
            X_452 = point_from_barycentrics(model, A, B, C, 0.36184857, 0.35103245, 0.28711898, ID="X_452", classes=["center"])
            X_2213 = isogonal_conjugate(model, A, B, C, X_452, ID="X_2213", classes=["selected", "target"])
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
            X_71 = eval_trilinear_point(model, A, B, C, '(b + c)*cos(A)', ID="X_71", classes=["center", "incident"])
            central_line(model, X_56, X_71, 56, 71, incident=True)
            X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center", "incident"])
            X_72 = eval_trilinear_point(model, A, B, C, '(b + c)*cot(A)', ID="X_72", classes=["center", "incident"])
            central_line(model, X_57, X_72, 57, 72, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_1412 = eval_trilinear_point(model, A, B, C, 'a/((b + c)*(a - b - c))', ID="X_1412", classes=["center", "incident"])
            central_line(model, X_3, X_1412, 3, 1412, incident=True)
            return promote_point_to_top(model, X_2213)


        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_2213 on the given reference triangle."""
            model = create_model('X_2213 = X_2-ISOCONJUGATE OF X_380')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02213(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-02213.json"))
            write_center_svg(
                model_acute,
                here / "x-02213.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X2213¶

X₂₂₁₃¶