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X₂₃₉₈¶

GIBERT-SIMSON TRANSFORM OF X₁₀₁

X₂₃₉₈ (GIBERT-SIMSON TRANSFORM OF X₁₀₁) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_2398 = GIBERT-SIMSON TRANSFORM OF X_101."""

        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,
            centroid_of,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            eval_trilinear_point,
            incenter_of,
            intersect_lines,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02398(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2398 = GIBERT-SIMSON TRANSFORM OF X_101 on reference triangle ABC."""
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_100 = eval_trilinear_point(model, A, B, C, '1/(b - c)', ID="X_100", classes=["center"])
            X_658 = eval_trilinear_point(model, A, B, C, '1/((1 + cos(A))*(cos(B) - cos(C)))', ID="X_658", classes=["center"])
            central_line(model, X_1, X_2, 1, 2)
            central_line(model, X_100, X_658, 100, 658)
            X_2398 = intersect_lines(model, X_1, X_2, X_100, X_658, ID="X_2398", classes=["selected", "target"])
            X_666 = eval_trilinear_point(model, A, B, C, 'b*c/((a - b)**(2)*(a + b - c) - (c - a)**(2)*(c + a - b))', ID="X_666", classes=["center", "incident"])
            X_885 = eval_barycentric_point(model, A, B, C, '(b - c)*(a - b - c)/(b**(2) + c**(2) - a*b - a*c)', ID="X_885", classes=["center", "incident"])
            central_line(model, X_666, X_885, 666, 885, incident=True)
            return promote_point_to_top(model, X_2398)


        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_2398 on the given reference triangle."""
            model = create_model('X_2398 = GIBERT-SIMSON TRANSFORM OF X_101')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02398(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-02398.json"))
            write_center_svg(
                model_acute,
                here / "x-02398.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X2398¶

X₂₃₉₈¶