X627

ANTICOMPLEMENT OF X17

< 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) { 17, 629 }: Central Line L(17, 629) { 2, 17 }: Central Line L(2, 17) { 54, 69 }: Central Line L(54, 69) { 3, 298 }: Central Line L(3, 298) { 5, 302 }: Central Line L(5, 302) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_17 = 1st NAPOLEON POINT (0.5666, 0.2383) X_629 = COMPLEMENT OF X(17) (0.5228, 0.1808) X_2 = CENTROID (0.5374, 0.2000) X_54 = KOSNITA POINT (0.5880, 0.2176) X_69 = SYMMEDIAN POINT OF THE ANTICOMPLEMENTARY TRIANGLE (0.4122, 0.0654) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_298 = ISOTOMIC CONJUGATE OF 1st ISOGONIC CENTER (0.4724, 0.1301) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_302 = ISOTOMIC CONJUGATE OF 1st NAPOLEON POINT (0.5043, 0.1643) X_627 = ANTICOMPLEMENT OF X(17) (0.4791, 0.1233) A B C X17 X629 X2 X54 X69 X3 X298 X5 X302 X627 (a, b, c) = (5, 6, 7) | AB = 1

X627 (ANTICOMPLEMENT OF X17) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_627 = ANTICOMPLEMENT OF X_17."""

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


        def construct_x_00627(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_627 = ANTICOMPLEMENT OF X_17 on reference triangle ABC."""
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_17 = eval_trilinear_point(model, A, B, C, 'csc(A +  pi  /6)', ID="X_17", classes=["center"])
            X_54 = eval_trilinear_point(model, A, B, C, 'sec(B - C)', ID="X_54", classes=["center"])
            X_69 = eval_trilinear_point(model, A, B, C, '(cos(A))/a**(2)', ID="X_69", classes=["center"])
            central_line(model, X_2, X_17, 2, 17)
            central_line(model, X_54, X_69, 54, 69)
            X_627 = intersect_lines(model, X_2, X_17, X_54, X_69, ID="X_627", classes=["selected", "target"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_298 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)*sin(A +  pi  /3)', ID="X_298", classes=["center", "incident"])
            central_line(model, X_3, X_298, 3, 298, incident=True)
            return promote_point_to_top(model, X_627)


        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_627 on the given reference triangle."""
            model = create_model('X_627 = ANTICOMPLEMENT OF X_17')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00627(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-00627.json"))
            write_center_svg(
                model_acute,
                here / "x-00627.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )