X635

COMPLEMENT OF X61

X635 is the complement of X61.
< 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) { 61, 633 }: Central Line L(61, 633) { 2, 18 }: Central Line L(2, 18) { 5, 141 }: Central Line L(5, 141) { 17, 299 }: Central Line L(17, 299) { 62, 298 }: Central Line L(62, 298) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_61 = ISOGONAL CONJUGATE OF X(17) (0.5764, 0.2283) X_633 = ANTICOMPLEMENT OF X(61) (0.4457, 0.1049) X_2 = CENTROID (0.5374, 0.2000) X_18 = 2nd NAPOLEON POINT (0.4434, 0.1317) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_141 = COMPLEMENT OF SYMMEDIAN POINT (0.5061, 0.1663) X_17 = 1st NAPOLEON POINT (0.5666, 0.2383) X_299 = ISOTOMIC CONJUGATE OF 2nd ISOGONIC CENTER (-1.1465, -1.6097) X_62 = ISOGONAL CONJUGATE OF X(18) (0.6446, 0.3409) X_298 = ISOTOMIC CONJUGATE OF 1st ISOGONIC CENTER (0.4724, 0.1301) X_635 = COMPLEMENT OF X(61) (0.5179, 0.1858) A B C X61 X633 X2 X18 X5 X141 X17 X299 X62 X298 X635 (a, b, c) = (5, 6, 7) | AB = 1

X635 (COMPLEMENT OF X61) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_635 = COMPLEMENT OF X_61."""

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


        def construct_x_00635(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_635 = COMPLEMENT OF X_61 on reference triangle ABC."""
            X_61 = eval_trilinear_point(model, A, B, C, 'sin(A +  pi  /6)', ID="X_61", classes=["center"])
            X_633 = eval_trilinear_point(model, A, B, C, '((S*B*S*C + 2*sqrt(3)*SA*area )/a)', ID="X_633", classes=["center"])
            X_635 = midpoint(model, X_61, X_633, ID="X_635", classes=["selected", "target"], guide=False)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_18 = eval_trilinear_point(model, A, B, C, 'csc(A -  pi  /6)', ID="X_18", classes=["center", "incident"])
            central_line(model, X_2, X_18, 2, 18, incident=True)
            X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
            X_141 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) + c**(2))', ID="X_141", classes=["center", "incident"])
            central_line(model, X_5, X_141, 5, 141, incident=True)
            X_17 = eval_trilinear_point(model, A, B, C, 'csc(A +  pi  /6)', ID="X_17", classes=["center", "incident"])
            X_299 = eval_trilinear_point(model, A, B, C, '(csc(A))**(2)*sin(A -  pi  /3)', ID="X_299", classes=["center", "incident"])
            central_line(model, X_17, X_299, 17, 299, incident=True)
            return promote_point_to_top(model, X_635)


        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_635 on the given reference triangle."""
            model = create_model('X_635 = COMPLEMENT OF X_61')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00635(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-00635.json"))
            write_center_svg(
                model_acute,
                here / "x-00635.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )