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X₁₈₁₉¶

INVERSE MIMOSA TRANSFORM OF X₁₄₉₈

X₁₈₁₉ (INVERSE MIMOSA TRANSFORM OF X₁₄₉₈) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_1819 = INVERSE MIMOSA TRANSFORM OF X_1498."""

        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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            mittenpunkt_of,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01819(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1819 = INVERSE MIMOSA TRANSFORM OF X_1498 on reference triangle ABC."""
            X_1792 = point_from_barycentrics(model, A, B, C, 0.64689234, 0.29959202, 0.053515639, ID="X_1792", classes=["center"])
            X_283 = eval_trilinear_point(model, A, B, C, '(cos(A))/(cos(B) + cos(C))', ID="X_283", classes=["center"])
            X_1819 = ceva_conjugate(model, A, B, C, X_1792, X_283, ID="X_1819", classes=["selected", "target"])
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            X_21 = eval_trilinear_point(model, A, B, C, '1/(cos(B) + cos(C))', ID="X_21", classes=["center", "incident"])
            central_line(model, X_9, X_21, 9, 21, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_49 = eval_trilinear_point(model, A, B, C, 'cos(3*A)', ID="X_49", classes=["center", "incident"])
            central_line(model, X_3, X_49, 3, 49, incident=True)
            X_58 = eval_trilinear_point(model, A, B, C, 'a/(b + c)', ID="X_58", classes=["center", "incident"])
            X_1167 = point_from_barycentrics(model, A, B, C, 0.35929716, 0.32223282, 0.31847002, ID="X_1167", classes=["center", "incident"])
            central_line(model, X_58, X_1167, 58, 1167, incident=True)
            return promote_point_to_top(model, X_1819)


        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_1819 on the given reference triangle."""
            model = create_model('X_1819 = INVERSE MIMOSA TRANSFORM OF X_1498')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01819(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-01819.json"))
            write_center_svg(
                model_acute,
                here / "x-01819.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X1819¶

X₁₈₁₉¶