X1766

MIMOSA TRANSFORM OF X345

X1766 = reflection of X990 in X3
< 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) { 990, 3 }: Central Line L(990, 3) { 4, 9 }: Orthocenter–Spieker Line { 3, 37 }: Central Line L(3, 37) { 20, 346 }: Central Line L(20, 346) { 63, 321 }: Central Line L(63, 321) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_990 = INTERSECTION OF LINES X(1)X(7) AND X(3)X(37) (0.6104, 0.3234) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_4 = ORTHOCENTER (0.6122, 0.3958) X_9 = MITTENPUNKT (0.5110, 0.1615) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_20 = DE LONGCHAMPS POINT (0.3878, -0.1916) X_346 = ISOTOMIC CONJUGATE OF X(279) (0.3948, 0.0827) X_63 = ISOGONAL CONJUGATE OF X(19) (0.4566, 0.0823) X_321 = ISOTOMIC CONJUGATE OF X(81) (0.4800, 0.1527) X_1766 = MIMOSA TRANSFORM OF X(345) (0.3896, -0.1193) A B C X990 X3 X4 X9 X37 X20 X346 X63 X321 X1766 (a, b, c) = (5, 6, 7) | AB = 1

X1766 (MIMOSA TRANSFORM OF X345) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1766 = MIMOSA TRANSFORM OF X_345."""

        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,
            mittenpunkt_of,
            orthocenter_of,
            promote_point_to_top,
            reflection_in_point,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01766(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1766 = MIMOSA TRANSFORM OF X_345 on reference triangle ABC."""
            X_990 = eval_trilinear_point(model, A, B, C, '(a**(5) - a**(4)*(b + c) - 2*a**(3)*b*c - a*(b - c)**(2)*(b**(2) + c**(2)) + (b - c)**(2)*(b + c)**(3))', ID="X_990", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            X_1766 = reflection_in_point(model, X_990, X_3, ID="X_1766", classes=["selected", "target"], guide=False)
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center", "incident"])
            central_line(model, X_4, X_9, 4, 9, incident=True)
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            central_line(model, X_3, X_37, 3, 37, incident=True)
            X_20 = eval_trilinear_point(model, A, B, C, 'cos(A) - cos(B)*cos(C)', ID="X_20", classes=["center", "incident"])
            X_346 = eval_trilinear_point(model, A, B, C, 'b*c*(b + c - a)**(2)', ID="X_346", classes=["center", "incident"])
            central_line(model, X_20, X_346, 20, 346, incident=True)
            return promote_point_to_top(model, X_1766)


        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_1766 on the given reference triangle."""
            model = create_model('X_1766 = MIMOSA TRANSFORM OF X_345')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01766(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-01766.json"))
            write_center_svg(
                model_acute,
                here / "x-01766.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )