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X₁₁₇₃¶

1st SARAGOSSA POINT OF X₅₄

X₁₁₇₃ (1st SARAGOSSA POINT OF X₅₄) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_1173 = 1st SARAGOSSA POINT OF X_54."""

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


        def construct_x_01173(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1173 = 1st SARAGOSSA POINT OF X_54 on reference triangle ABC."""
            X_140 = eval_trilinear_point(model, A, B, C, '2*cos(A) + cos(B - C)', ID="X_140", classes=["center"])
            X_1173 = isogonal_conjugate(model, A, B, C, X_140, ID="X_1173", classes=["selected", "target"])
            X_51 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(B - C)', ID="X_51", classes=["center", "incident"])
            X_54 = eval_trilinear_point(model, A, B, C, 'sec(B - C)', ID="X_54", classes=["center", "incident"])
            central_line(model, X_51, X_54, 51, 54, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_143 = eval_trilinear_point(model, A, B, C, '(sec(A))*(cos(2*C - 2*A) + cos(2*A - 2*B))', ID="X_143", classes=["center", "incident"])
            central_line(model, X_3, X_143, 3, 143, incident=True)
            X_74 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - 2*cos(B)*cos(C))', ID="X_74", classes=["center", "incident"])
            X_389 = eval_trilinear_point(model, A, B, C, 'cos(A) - cos(2*A)*cos(B - C)', ID="X_389", classes=["center", "incident"])
            central_line(model, X_74, X_389, 74, 389, incident=True)
            return promote_point_to_top(model, X_1173)


        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_1173 on the given reference triangle."""
            model = create_model('X_1173 = 1st SARAGOSSA POINT OF X_54')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01173(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-01173.json"))
            write_center_svg(
                model_acute,
                here / "x-01173.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X1173¶

X₁₁₇₃¶