X3946

X1386com[INVERSE(n(HEXYL TRIANGLE))]

< 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, 2321 }: Central Line L(2, 2321) { 1, 142 }: Central Line L(1, 142) { 57, 347 }: Central Line L(57, 347) { 6, 527 }: Central Line L(6, 527) { 81, 553 }: Central Line L(81, 553) 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_2321 = -ISOCONJUGATE OF X(1408) (0.4497, 0.1200) X_1 = INCENTER (0.5714, 0.2333) X_142 = COMPLEMENT OF X(9) (0.5506, 0.2192) X_57 = ISOGONAL CONJUGATE OF X(9) (0.6138, 0.3110) X_347 = ISOTOMIC CONJUGATE OF X(280) (0.4531, -0.0404) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_527 = DIRECTION OF VECTOR AX + BX + CX, where X = X(7) (0.8698, 0.6836) X_81 = CEVAPOINT OF INCENTER AND SYMMEDIAN POINT (0.5849, 0.2510) X_553 = POINT MAIA II (0.5963, 0.2857) X_3946 = com[INVERSE(n(HEXYL TRIANGLE))] (0.5813, 0.2400) A B C Ma Mb Mc X2 X2321 X1 X142 X57 X347 X6 X527 X81 X553 X3946 (a, b, c) = (5, 6, 7) | AB = 1

X3946 (X1386com[INVERSE(n(HEXYL TRIANGLE))]) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3946 = X_1386com[INVERSE(n(HEXYL TRIANGLE))]."""

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


        def construct_x_03946(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3946 = X_1386com[INVERSE(n(HEXYL TRIANGLE))] on reference triangle ABC."""
            X_2321 = point_from_barycentrics(model, A, B, C, 0.47272727, 0.32727273, 0.2, ID="X_2321", classes=["center"])
            X_3946 = complement(model, A, B, C, X_2321, ID="X_3946", classes=["selected", "target"])
            X_1 = incenter_of(model, A, B, C, ID="X_1", classes=["center", "incident"])
            X_142 = eval_trilinear_point(model, A, B, C, 'b + c - ((b - c)**(2))/a', ID="X_142", classes=["center", "incident"])
            central_line(model, X_1, X_142, 1, 142, incident=True)
            X_57 = eval_trilinear_point(model, A, B, C, '1/(b + c - a)', ID="X_57", classes=["center", "incident"])
            X_347 = eval_trilinear_point(model, A, B, C, '((-1 - cos(A) + cos(B) + cos(C))*(sec(A/2))**(2))', ID="X_347", classes=["center", "incident"])
            central_line(model, X_57, X_347, 57, 347, incident=True)
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            X_527 = eval_barycentric_point(model, A, B, C, '2*a**(2) - a*(b + c) - (b - c)**(2)', ID="X_527", classes=["center", "incident"])
            central_line(model, X_6, X_527, 6, 527, incident=True)
            return promote_point_to_top(model, X_3946)


        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_3946 on the given reference triangle."""
            model = create_model('X_3946 = X_1386com[INVERSE(n(HEXYL TRIANGLE))]')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03946(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-03946.json"))
            write_center_svg(
                model_acute,
                here / "x-03946.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )