X3844

X2321com(4th EULER TRIANGLE)

< 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) { 10, 141 }: Central Line L(10, 141) { 120, 125 }: Central Line L(120, 125) { 2, 1386 }: Central Line L(2, 1386) { 6, 1698 }: Central Line L(6, 1698) { 594, 1738 }: Central Line L(594, 1738) { 8, 3619 }: Central Line L(8, 3619) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_141 = COMPLEMENT OF SYMMEDIAN POINT (0.5061, 0.1663) X_120 = -OF-MEDIAL-TRIANGLE (0.3204, 0.3466) X_125 = CENTER OF JERABEK HYPERBOLA (0.6803, 0.0260) X_2 = CENTROID (0.5374, 0.2000) X_1386 = MIDPOINT OF INCENTER AND SYMMEDIAN POINT (0.5857, 0.2503) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_1698 = INSIMILICENTER(BEVAN CIRCLE, NINE-POINTCIRCLE) (0.5306, 0.1933) X_594 = ISOGONAL CONJUGATE OF X(593) (0.5025, 0.1672) X_1738 = MIMOSA TRANSFORM OF X(105) (1.2925, 0.7221) X_8 = NAGEL POINT (0.4694, 0.1333) X_3619 = H(X(6); M, -1/2) (0.5195, 0.1807) X_3844 = com(4th EULER TRIANGLE) (0.5133, 0.1748) A B C X10 X141 X120 X125 X2 X1386 X6 X1698 X594 X1738 X8 X3619 X3844 (a, b, c) = (5, 6, 7) | AB = 1

X3844 (X2321com(4th EULER TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3844 = X_2321com(4th EULER 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,
            centroid_of,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            eval_trilinear_point,
            promote_point_to_top,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03844(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3844 = X_2321com(4th EULER TRIANGLE) on reference triangle ABC."""
            X_3844 = eval_barycentric_point(model, A, B, C, '(2*b**(3) + 2*c**(3) + a**(2)*b + a**(2)*c + a*b**(2) + a*c**(2) + 2*b**(2)*c + 2*b*c**(2))', ID="X_3844", classes=["selected", "target"])
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", 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_10, X_141, 10, 141, incident=True)
            X_120 = eval_trilinear_point(model, A, B, C, 'b*c*(2*a*b*c - (b + c)*(a**(2) + (b - c)**(2)))*(b**(2) + c**(2) - a*b -a*c)', ID="X_120", classes=["center", "incident"])
            X_125 = eval_trilinear_point(model, A, B, C, 'cos(A)*(sin(B - C))**(2)', ID="X_125", classes=["center", "incident"])
            central_line(model, X_120, X_125, 120, 125, incident=True)
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_1386 = eval_trilinear_point(model, A, B, C, '(a*(a + b + c) + (a**(2) + b**(2) + c**(2)))', ID="X_1386", classes=["center", "incident"])
            central_line(model, X_2, X_1386, 2, 1386, incident=True)
            return promote_point_to_top(model, X_3844)


        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_3844 on the given reference triangle."""
            model = create_model('X_3844 = X_2321com(4th EULER TRIANGLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03844(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-03844.json"))
            write_center_svg(
                model_acute,
                here / "x-03844.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )