X3836

X3685com(4th EULER 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, 238 }: Central Line L(2, 238) { 2, 31 }: Central Line L(2, 31) { 10, 141 }: Central Line L(10, 141) { 44, 1213 }: Central Line L(44, 1213) { 12, 1463 }: Central Line L(12, 1463) 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_238 = -LINE CONJUGATE OF X(37) (1.6190, 1.4775) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_141 = COMPLEMENT OF SYMMEDIAN POINT (0.5061, 0.1663) X_44 = -LINE CONJUGATE OF X(1) (2.1429, 2.0996) X_1213 = ISOGONAL CONJUGATE OF X(1171) (0.5294, 0.1914) X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.5641, 0.2407) X_1463 = -BETH CONJUGATE OF X(726) (1.0830, 0.8620) X_3836 = com(4th EULER TRIANGLE) (-0.0034, -0.4388) A B C Ma Mb Mc X2 X238 X31 X10 X141 X44 X1213 X12 X1463 X3836 (a, b, c) = (5, 6, 7) | AB = 1

X3836 (X3685com(4th EULER TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3836 = X_3685com(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,
            complement,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            promote_point_to_top,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03836(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3836 = X_3685com(4th EULER TRIANGLE) on reference triangle ABC."""
            X_238 = eval_trilinear_point(model, A, B, C, 'a**(2) - b*c', ID="X_238", classes=["center"])
            X_3836 = complement(model, A, B, C, X_238, ID="X_3836", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_31 = eval_trilinear_point(model, A, B, C, 'a**(2)', ID="X_31", classes=["center", "incident"])
            central_line(model, X_2, X_31, 2, 31, incident=True)
            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_44 = eval_trilinear_point(model, A, B, C, 'b + c - 2*a', ID="X_44", classes=["center", "incident"])
            X_1213 = eval_trilinear_point(model, A, B, C, '(b*c*(b + c)*(2*a + b + c))', ID="X_1213", classes=["center", "incident"])
            central_line(model, X_44, X_1213, 44, 1213, incident=True)
            return promote_point_to_top(model, X_3836)


        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_3836 on the given reference triangle."""
            model = create_model('X_3836 = X_3685com(4th EULER TRIANGLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03836(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-03836.json"))
            write_center_svg(
                model_acute,
                here / "x-03836.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )