X1775

MIMOSA TRANSFORM OF X1063

< 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) { 4, 46 }: Central Line L(4, 46) { 47, 57 }: Central Line L(47, 57) { 24, 1063 }: Central Line L(24, 1063) { 40, 1725 }: Central Line L(40, 1725) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_4 = ORTHOCENTER (0.6122, 0.3958) X_46 = -CEVA CONJUGATE OF X(1) (0.6917, 0.4543) X_47 = -BETH CONJUGATE OF X(34) (0.7279, 0.4389) X_57 = ISOGONAL CONJUGATE OF X(9) (0.6138, 0.3110) X_24 = PERSPECTOR OF ABC AND ORTHIC-OF-ORTHIC TRIANGLE (0.6627, 0.5278) X_1063 = ISOGONAL CONJUGATE OF X(1062) (0.6152, 0.5187) X_40 = BEVAN POINT (0.4286, -0.0292) X_1725 = MIMOSA TRANSFORM OF X(74) (0.9993, 0.7957) X_1775 = MIMOSA TRANSFORM OF X(1063) (0.8373, 0.5615) A B C X4 X46 X47 X57 X24 X1063 X40 X1725 X1775 (a, b, c) = (5, 6, 7) | AB = 1

X1775 (MIMOSA TRANSFORM OF X1063) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1775 = MIMOSA TRANSFORM OF X_1063."""

        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,
            intersect_lines,
            orthocenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01775(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1775 = MIMOSA TRANSFORM OF X_1063 on reference triangle ABC."""
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
            X_46 = eval_trilinear_point(model, A, B, C, 'cos(B) + cos(C) - cos(A)', ID="X_46", classes=["center"])
            X_47 = eval_trilinear_point(model, A, B, C, 'cos(2*A)', ID="X_47", classes=["center"])
            X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center"])
            central_line(model, X_4, X_46, 4, 46)
            central_line(model, X_47, X_57, 47, 57)
            X_1775 = intersect_lines(model, X_4, X_46, X_47, X_57, ID="X_1775", classes=["selected", "target"])
            X_24 = eval_trilinear_point(model, A, B, C, 'sec(A)*cos(2*A)', ID="X_24", classes=["center", "incident"])
            X_1063 = eval_trilinear_point(model, A, B, C, '(1/(2 - sec(B)*sec(C)))', ID="X_1063", classes=["center", "incident"])
            central_line(model, X_24, X_1063, 24, 1063, incident=True)
            return promote_point_to_top(model, X_1775)


        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_1775 on the given reference triangle."""
            model = create_model('X_1775 = MIMOSA TRANSFORM OF X_1063')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01775(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-01775.json"))
            write_center_svg(
                model_acute,
                here / "x-01775.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )