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X₁₉₅₇¶

CROSSSUM OF PU(22)

X₁₉₅₇ (CROSSSUM OF PU(22)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_1957 = CROSSSUM OF PU(22)."""

        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,
            ceva_conjugate,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            incenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01957(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1957 = CROSSSUM OF PU(22) on reference triangle ABC."""
            X_1910 = eval_trilinear_point(model, A, B, C, '(a/(a**(2)*cos(B)*cos(C) - b*c*(cos(A))**(2)))', ID="X_1910", classes=["center"])
            X_240 = eval_trilinear_point(model, A, B, C, 'sec(A)*cos(A +  omega  )', ID="X_240", classes=["center"])
            X_1957 = ceva_conjugate(model, A, B, C, X_1910, X_240, ID="X_1957", classes=["selected", "target"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            X_92 = eval_trilinear_point(model, A, B, C, 'csc(2*A)', ID="X_92", classes=["center", "incident"])
            central_line(model, X_31, X_92, 31, 92, incident=True)
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_204 = eval_trilinear_point(model, A, B, C, '((tan(A))*(tan(B) + tan(C) - tan(A)))', ID="X_204", classes=["center", "incident"])
            central_line(model, X_1, X_204, 1, 204, incident=True)
            X_63 = eval_trilinear_point(model, A, B, C, 'cot(A)', ID="X_63", classes=["center", "incident"])
            central_line(model, X_63, X_240, 63, 240, incident=True)
            return promote_point_to_top(model, X_1957)


        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_1957 on the given reference triangle."""
            model = create_model('X_1957 = CROSSSUM OF PU(22)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01957(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-01957.json"))
            write_center_svg(
                model_acute,
                here / "x-01957.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X1957¶

X₁₉₅₇¶