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X₃₆₆₉¶

X₆₆₃com(INTOUCH TRIANGLE)

X₃₆₆₉ = pole wrt incircle of line X₇ X₈

X₃₆₆₉ (X₆₆₃com(INTOUCH TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_3669 = X_663com(INTOUCH TRIANGLE)."""

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


        def construct_x_03669(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3669 = X_663com(INTOUCH TRIANGLE) on reference triangle ABC."""
            X_644 = eval_trilinear_point(model, A, B, C, '((b + c - a)/(b - c))', ID="X_644", classes=["center"])
            X_3669 = isogonal_conjugate(model, A, B, C, X_644, ID="X_3669", classes=["selected", "target"])
            X_56 = eval_trilinear_point(model, A, B, C, 'a/(b + c - a)', ID="X_56", classes=["center", "incident"])
            X_667 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b - c)', ID="X_667", classes=["center", "incident"])
            central_line(model, X_56, X_667, 56, 667, incident=True)
            X_241 = eval_trilinear_point(model, A, B, C, '(cos(B/2))**(4) - ((cos(A/2))**(2))*((cos(B/2))**(2) +(cos(C/2))**(2)) + (cos(C/2))**(4)', ID="X_241", classes=["center", "incident"])
            X_514 = eval_trilinear_point(model, A, B, C, '(b - c)/a', ID="X_514", classes=["center", "incident"])
            central_line(model, X_241, X_514, 241, 514, incident=True)
            X_65 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C)', ID="X_65", classes=["center", "incident"])
            X_876 = point_from_barycentrics(model, A, B, C, 0.024662513, 1.0062305, -0.030893043, ID="X_876", classes=["center", "incident"])
            central_line(model, X_65, X_876, 65, 876, incident=True)
            return promote_point_to_top(model, X_3669)


        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_3669 on the given reference triangle."""
            model = create_model('X_3669 = X_663com(INTOUCH TRIANGLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03669(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-03669.json"))
            write_center_svg(
                model_acute,
                here / "x-03669.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X3669¶

X₃₆₆₉¶