← etc / Encyclopedia of Triangle Centers

X₁₇₃₄¶

MIMOSA TRANSFORM OF X₁₀₁

X₁₇₃₄ = reflection of X₁ in X₉₀₅

X₁₇₃₄ (MIMOSA TRANSFORM OF X₁₀₁) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).¶

"""GEOMETOR construction model for X_1734 = MIMOSA 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,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            incenter_of,
            promote_point_to_top,
            reflection_in_point,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01734(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1734 = MIMOSA TRANSFORM OF X_101 on reference triangle ABC."""
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center"])
            X_905 = eval_trilinear_point(model, A, B, C, '(b - c)*cot(A)', ID="X_905", classes=["center"])
            X_1734 = reflection_in_point(model, X_1, X_905, ID="X_1734", classes=["selected", "target"], guide=False)
            X_240 = eval_trilinear_point(model, A, B, C, 'sec(A)*cos(A +  omega  )', ID="X_240", classes=["center", "incident"])
            X_522 = eval_trilinear_point(model, A, B, C, '(cos(B) - cos(C))*(csc(A))', ID="X_522", classes=["center", "incident"])
            central_line(model, X_240, X_522, 240, 522, incident=True)
            central_line(model, X_1, X_905, 1, 905, incident=True)
            X_484 = eval_trilinear_point(model, A, B, C, '1 + 2*(cos(A) - cos(B) - cos(C))', ID="X_484", classes=["center", "incident"])
            X_513 = eval_trilinear_point(model, A, B, C, 'b - c', ID="X_513", classes=["center", "incident"])
            central_line(model, X_484, X_513, 484, 513, incident=True)
            return promote_point_to_top(model, X_1734)


        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_1734 on the given reference triangle."""
            model = create_model('X_1734 = MIMOSA TRANSFORM OF X_101')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01734(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-01734.json"))
            write_center_svg(
                model_acute,
                here / "x-01734.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )
        

X1734¶

X₁₇₃₄¶