X1802

INVERSE MIMOSA TRANSFORM OF X170

< A B C >: Reference Triangle △ABC [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 3, 48 }: Central Line L(3, 48) { 41, 55 }: Central Line L(41, 55) { 40, 101 }: Central Line L(40, 101) { 6, 939 }: Central Line L(6, 939) { 9, 943 }: Central Line L(9, 943) { 255, 906 }: Central Line L(255, 906) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1847 = ZOSMA TRANSFORM OF X(170) (0.6290, 0.4862) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_48 = CROSSPOINT OF X(1) AND X(63) (0.5412, 0.1246) X_41 = -CEVA CONJUGATE OF X(31) (0.5823, 0.2244) X_55 = INSIMILICENTER(CIRCUMCIRCLE, INCIRCLE) (0.5490, 0.1921) X_40 = BEVAN POINT (0.4286, -0.0292) X_101 = Ψ(INCENTER, SYMMEDIAN POINT) (0.2143, 0.5249) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_939 = ISOGONAL CONJUGATE OF X(938) (0.5573, 0.2204) X_9 = MITTENPUNKT (0.5110, 0.1615) X_943 = ISOGONAL CONJUGATE OF X(942) (0.5528, 0.2043) X_255 = ISOGONAL CONJUGATE OF X(158) (0.4217, 0.0365) X_906 = INTERSECTION OF LINES X(100)X(112) AND X(101)X(109) (-0.2109, 0.3287) X_1802 = INVERSE MIMOSA TRANSFORM OF X(170) (0.3991, 0.0470) A B C X1847 X3 X48 X41 X55 X40 X101 X6 X939 X9 X943 X255 X906 X1802 (a, b, c) = (5, 6, 7) | AB = 1

X1802 (INVERSE MIMOSA TRANSFORM OF X170) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1802 = INVERSE MIMOSA TRANSFORM OF X_170."""

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


        def construct_x_01802(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1802 = INVERSE MIMOSA TRANSFORM OF X_170 on reference triangle ABC."""
            X_1802 = eval_trilinear_point(model, A, B, C, '(1 + cos(A))**(2)*cot(A)', ID="X_1802", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_48 = eval_trilinear_point(model, A, B, C, 'tan(B) + tan(C)', ID="X_48", classes=["center", "incident"])
            central_line(model, X_3, X_48, 3, 48, incident=True)
            X_41 = eval_trilinear_point(model, A, B, C, 'a**(2)*(b + c - a)', ID="X_41", classes=["center", "incident"])
            X_55 = eval_trilinear_point(model, A, B, C, 'a*(b + c - a)', ID="X_55", classes=["center", "incident"])
            central_line(model, X_41, X_55, 41, 55, incident=True)
            X_40 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C) - cos(A) - 1', ID="X_40", classes=["center", "incident"])
            X_101 = eval_trilinear_point(model, A, B, C, 'a/(b - c)', ID="X_101", classes=["center", "incident"])
            central_line(model, X_40, X_101, 40, 101, incident=True)
            return promote_point_to_top(model, X_1802)


        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_1802 on the given reference triangle."""
            model = create_model('X_1802 = INVERSE MIMOSA TRANSFORM OF X_170')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01802(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-01802.json"))
            write_center_svg(
                model_acute,
                here / "x-01802.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )