X3846

X1999com(3rd 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, 171 }: Central Line L(2, 171) { 5, 10 }: Central Line L(5, 10) { 2, 31 }: Central Line L(2, 31) { 114, 124 }: Central Line L(114, 124) { 11, 1211 }: Central Line L(11, 1211) 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_171 = {X(2), X(31)}-HARMONIC CONJUGATE OF X(238) (0.5819, 0.2525) X_5 = NINE-POINT CENTER (0.5561, 0.2489) X_10 = SPIEKER CENTER (0.5204, 0.1833) X_31 = 2nd POWER POINT (0.6228, 0.3008) X_114 = KIEPERT ANTIPODE (0.3616, 0.4140) X_124 = -OF-MEDIAL-TRIANGLE (0.6243, 0.0030) X_11 = FEUERBACH POINT (0.7347, 0.0667) X_1211 = ISOGONAL CONJUGATE OF X(1169) (0.5137, 0.1744) X_3846 = com(3rd EULER TRIANGLE) (0.5152, 0.1737) A B C Ma Mb Mc X2 X171 X5 X10 X31 X114 X124 X11 X1211 X3846 (a, b, c) = (5, 6, 7) | AB = 1

X3846 (X1999com(3rd EULER TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3846 = X_1999com(3rd 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,
            nine_point_center_of,
            promote_point_to_top,
            spieker_center_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03846(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3846 = X_1999com(3rd EULER TRIANGLE) on reference triangle ABC."""
            X_171 = eval_trilinear_point(model, A, B, C, 'a**(2) + b*c', ID="X_171", classes=["center"])
            X_3846 = complement(model, A, B, C, X_171, ID="X_3846", classes=["selected", "target"])
            X_5 = nine_point_center_of(model, A, B, C, ID="X_5", classes=["center", "incident"])
            X_10 = spieker_center_of(model, A, B, C, ID="X_10", classes=["center", "incident"])
            central_line(model, X_5, X_10, 5, 10, incident=True)
            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_114 = eval_trilinear_point(model, A, B, C, 'b*c*(b*sec(B +  omega  ) + c*sec(C +  omega  ))', ID="X_114", classes=["center", "incident"])
            X_124 = eval_trilinear_point(model, A, B, C, '(b*c*(b + c - a)*(b - c)**(2)*((b + c)*(b**(2) + c**(2) - a**(2) - b*c) + a*b*c))', ID="X_124", classes=["center", "incident"])
            central_line(model, X_114, X_124, 114, 124, incident=True)
            return promote_point_to_top(model, X_3846)


        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_3846 on the given reference triangle."""
            model = create_model('X_3846 = X_1999com(3rd EULER TRIANGLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03846(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-03846.json"))
            write_center_svg(
                model_acute,
                here / "x-03846.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )