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X₁₇₀₃¶

EXSIMILICENTER(BEVAN CIRCLE, 2nd LEMOINE CIRCLE)

X₁₇₀₃ is the exsimilicenter(Bevan circle, 2nd Lemoine circle).

X₁₇₀₃ (EXSIMILICENTER(BEVAN CIRCLE, 2nd LEMOINE CIRCLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_1703 = EXSIMILICENTER(BEVAN CIRCLE, 2nd LEMOINE CIRCLE)."""

        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,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01703(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1703 = EXSIMILICENTER(BEVAN CIRCLE, 2nd LEMOINE CIRCLE) on reference triangle ABC."""
            X_1703 = eval_trilinear_point(model, A, B, C, '(2*sin(A) - cos(A) + cos(B) + cos(C) - 1)', ID="X_1703", classes=["selected", "target"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_40 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C) - cos(A) - 1', ID="X_40", classes=["center", "incident"])
            central_line(model, X_6, X_40, 6, 40, incident=True)
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_372 = eval_trilinear_point(model, A, B, C, 'cos(A +  pi  /4)', ID="X_372", classes=["center", "incident"])
            central_line(model, X_1, X_372, 1, 372, incident=True)
            X_165 = eval_trilinear_point(model, A, B, C, 'tan(B/2) + tan(C/2) - tan(A/2)', ID="X_165", classes=["center", "incident"])
            X_371 = eval_trilinear_point(model, A, B, C, 'cos(A -  pi  /4)', ID="X_371", classes=["center", "incident"])
            central_line(model, X_165, X_371, 165, 371, incident=True)
            return promote_point_to_top(model, X_1703)


        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_1703 on the given reference triangle."""
            model = create_model('X_1703 = EXSIMILICENTER(BEVAN CIRCLE, 2nd LEMOINE CIRCLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01703(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-01703.json"))
            write_center_svg(
                model_acute,
                here / "x-01703.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X1703¶

X₁₇₀₃¶