X440

COMPLEMENT OF X27

X440 is the complement of X27.
< A B C >: Reference Triangle △ABC < M_a M_b M_c >: Medial Triangle △M_a M_b M_c [ A B ]: Sideline AB (Base c = 1) [ B C ]: Sideline BC (Side a) [ C A ]: Sideline CA (Side b) { 2, 27 }: Euler Line { 2, 3 }: Euler Line { 118, 122 }: Central Line L(118, 122) { 37, 226 }: Central Line L(37, 226) { 72, 306 }: Central Line L(72, 306) { 950, 1104 }: Central Line L(950, 1104) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) M_a = Midpoint M_a of BC (0.8061, 0.2999) M_b = Midpoint M_b of CA (0.3061, 0.2999) M_c = Midpoint M_c of AB (0.5000, 0.0000) X_2 = CENTROID (0.5374, 0.2000) X_27 = CEVAPOINT OF ORTHOCENTER AND CLAWSON CENTER (0.6182, 0.4112) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_118 = MIDPOINT OF X(4) AND X(101) (0.4133, 0.4603) X_122 = -OF-MEDIAL-TRIANGLE (0.5195, -0.0036) X_37 = CROSSPOINT OF INCENTER AND CENTROID (0.5567, 0.2158) X_226 = -CEVA CONJUGATE OF X(65) (0.5778, 0.2588) X_72 = ISOGONAL CONJUGATE OF X(28) (0.4367, 0.0733) X_306 = ISOTOMIC CONJUGATE OF X(27) (0.3924, 0.0579) X_950 = CROSSPOINT OF X(8) AND X(29) (0.5621, 0.1961) X_1104 = CROSSPOINT OF X(1) AND X(28) (0.6311, 0.3042) X_440 = COMPLEMENT OF X(27) (0.4970, 0.0943) A B C Ma Mb Mc X2 X27 X3 X118 X122 X37 X226 X72 X306 X950 X1104 X440 (a, b, c) = (5, 6, 7) | AB = 1

X440 (COMPLEMENT OF X27) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_440 = COMPLEMENT OF X_27."""

        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,
            complement,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_00440(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_440 = COMPLEMENT OF X_27 on reference triangle ABC."""
            X_27 = eval_trilinear_point(model, A, B, C, '(sec(A))/(b + c)', ID="X_27", classes=["center"])
            X_440 = complement(model, A, B, C, X_27, ID="X_440", classes=["selected", "target"])
            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_118 = point_from_barycentrics(model, A, B, C, 0.28918651, -0.056547619, 0.76736111, ID="X_118", classes=["center", "incident"])
            X_122 = eval_trilinear_point(model, A, B, C, '(b**(2) - c**(2))**(2)*(cos(A) - cos(B)*cos(C))*(cot(A))**(2)', ID="X_122", classes=["center", "incident"])
            central_line(model, X_118, X_122, 118, 122, incident=True)
            X_37 = eval_trilinear_point(model, A, B, C, 'b + c', ID="X_37", classes=["center", "incident"])
            X_226 = eval_trilinear_point(model, A, B, C, '(csc(A))*(cos(B) + cos(C))', ID="X_226", classes=["center", "incident"])
            central_line(model, X_37, X_226, 37, 226, incident=True)
            return promote_point_to_top(model, X_440)


        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_440 on the given reference triangle."""
            model = create_model('X_440 = COMPLEMENT OF X_27')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00440(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-00440.json"))
            write_center_svg(
                model_acute,
                here / "x-00440.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )