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X₁₀₆₉¶

X₂₅₅-CROSS CONJUGATE OF X₃

X₁₀₆₉ (X₂₅₅-CROSS CONJUGATE OF X₃) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_1069 = X_255-CROSS CONJUGATE OF X_3."""

        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,
            feuerbach_point_of,
            incenter_of,
            isogonal_conjugate,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01069(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1069 = X_255-CROSS CONJUGATE OF X_3 on reference triangle ABC."""
            X_1068 = eval_trilinear_point(model, A, B, C, '(1 - sec(A)*(cos(B) + cos(C)))', ID="X_1068", classes=["center"])
            X_1069 = isogonal_conjugate(model, A, B, C, X_1068, ID="X_1069", classes=["selected", "target"])
            X_11 = feuerbach_point_of(model, A, B, C, ID="X_11", classes=["center", "incident"])
            X_68 = eval_trilinear_point(model, A, B, C, 'cos(A)*sec(2*A)', ID="X_68", classes=["center", "incident"])
            central_line(model, X_11, X_68, 11, 68, incident=True)
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_90 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C) - cos(A))', ID="X_90", classes=["center", "incident"])
            central_line(model, X_1, X_90, 1, 90, incident=True)
            X_496 = eval_trilinear_point(model, A, B, C, '2 - cos(B - C)', ID="X_496", classes=["center", "incident"])
            X_613 = eval_trilinear_point(model, A, B, C, 'W - sin(A)', ID="X_613", classes=["center", "incident"])
            central_line(model, X_496, X_613, 496, 613, incident=True)
            return promote_point_to_top(model, X_1069)


        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_1069 on the given reference triangle."""
            model = create_model('X_1069 = X_255-CROSS CONJUGATE OF X_3')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01069(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-01069.json"))
            write_center_svg(
                model_acute,
                here / "x-01069.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X1069¶

X₁₀₆₉¶