X632

9/10*OG

X632 = reflection of X631 in X140
< 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) { 631, 140 }: Euler Line { 2, 3 }: Euler Line { 141, 575 }: Central Line L(141, 575) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_631 = 3/5*OG (0.5224, 0.1608) X_140 = MIDPOINT OF X(3) AND X(5) (0.5281, 0.1755) X_2 = CENTROID (0.5374, 0.2000) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_141 = COMPLEMENT OF SYMMEDIAN POINT (0.5061, 0.1663) X_575 = ORTHOGONAL OF X(187) (0.5750, 0.2259) X_632 = 9/10*OG (0.5337, 0.1902) A B C X631 X140 X2 X3 X141 X575 X632 (a, b, c) = (5, 6, 7) | AB = 1

X632 (9/10*OG) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_632 = 9/10*OG."""

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


        def construct_x_00632(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_632 = 9/10*OG on reference triangle ABC."""
            X_631 = eval_trilinear_point(model, A, B, C, '2*cos(A) + cos(B)*cos(C)', ID="X_631", classes=["center"])
            X_140 = eval_trilinear_point(model, A, B, C, '2*cos(A) + cos(B - C)', ID="X_140", classes=["center"])
            X_632 = reflection_in_point(model, X_631, X_140, ID="X_632", classes=["selected", "target"], guide=False)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            central_line(model, X_2, X_3, 2, 3)
            X_141 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) + c**(2))', ID="X_141", classes=["center", "incident"])
            X_575 = eval_trilinear_point(model, A, B, C, '3*sin(A) + cos(A)*cot(omega) ', ID="X_575", classes=["center", "incident"])
            central_line(model, X_141, X_575, 141, 575, incident=True)
            return promote_point_to_top(model, X_632)


        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_632 on the given reference triangle."""
            model = create_model('X_632 = 9/10*OG')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00632(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-00632.json"))
            write_center_svg(
                model_acute,
                here / "x-00632.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )