X624

COMPLEMENT OF X16

X624 is the complement of X16.
< 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) { 623, 625 }: Central Line L(623, 625) { 2, 13 }: Central Line L(2, 13) { 17, 83 }: Central Line L(17, 83) { 5, 141 }: Central Line L(5, 141) { 14, 299 }: Central Line L(14, 299) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_623 = COMPLEMENT OF X(15) (0.5302, 0.2060) X_625 = MIDPOINT OF X(623) AND X(624) (0.2068, -0.3280) X_2 = CENTROID (0.5374, 0.2000) X_13 = 1st ISOGONIC CENTER (FERMAT POINT, TORRICELLI POINT) (0.5879, 0.2819) X_17 = 1st NAPOLEON POINT (0.5666, 0.2383) X_83 = CEVAPOINT OF CENTROID AND SYMMEDIAN POINT (0.5651, 0.2360) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_141 = COMPLEMENT OF SYMMEDIAN POINT (0.5061, 0.1663) X_14 = 2nd ISOGONIC CENTER (0.9134, -0.1143) X_299 = ISOTOMIC CONJUGATE OF 2nd ISOGONIC CENTER (-1.1465, -1.6097) X_624 = COMPLEMENT OF X(16) (-0.1165, -0.8620) A B C X623 X625 X2 X13 X17 X83 X5 X141 X14 X299 X624 (a, b, c) = (5, 6, 7) | AB = 1

X624 (COMPLEMENT OF X16) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_624 = COMPLEMENT OF X_16."""

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


        def construct_x_00624(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_624 = COMPLEMENT OF X_16 on reference triangle ABC."""
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_13 = eval_trilinear_point(model, A, B, C, 'csc(A +  pi  /3)', ID="X_13", classes=["center"])
            X_17 = eval_trilinear_point(model, A, B, C, 'csc(A +  pi  /6)', ID="X_17", classes=["center"])
            X_83 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) + c**(2))', ID="X_83", classes=["center"])
            central_line(model, X_2, X_13, 2, 13)
            central_line(model, X_17, X_83, 17, 83)
            X_624 = intersect_lines(model, X_2, X_13, X_17, X_83, ID="X_624", classes=["selected", "target"])
            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)
            return promote_point_to_top(model, X_624)


        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_624 on the given reference triangle."""
            model = create_model('X_624 = COMPLEMENT OF X_16')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00624(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-00624.json"))
            write_center_svg(
                model_acute,
                here / "x-00624.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )