X3832

X3090com(EULER TRIANGLE)

X3832 = {X1131,X1132}-harmonic conjugate of X6
< 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) { 1131, 1132 }: Central Line L(1131, 1132) { 2, 3 }: Euler Line { 12, 390 }: Central Line L(12, 390) { 145, 946 }: Central Line L(145, 946) { 6, 1131 }: Central Line L(6, 1131) { 8, 1699 }: Central Line L(8, 1699) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_1131 = ARCTAN(2) KIEPERT POINT (0.5904, 0.2888) X_1132 = ARCTAN(-2) KIEPERT POINT (0.8864, -0.3774) X_2 = CENTROID (0.5374, 0.2000) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_12 = {X(1),X(5)}-HARMONIC CONJUGATE OF X(11) (0.5641, 0.2407) X_390 = REFLECTION OF GERGONNE POINT IN INCENTER (0.5526, 0.1897) X_145 = ANTICOMPLEMENT OF NAGEL POINT (0.6735, 0.3333) X_946 = MIDPOINT OF X(1) AND X(4) (0.5918, 0.3145) X_8 = NAGEL POINT (0.4694, 0.1333) X_1699 = EXSIMILICENTER(BEVAN CIRCLE, NINE-POINT CIRCLE) (0.5986, 0.3416) X_3832 = com(EULER TRIANGLE) (0.5802, 0.3118) A B C X6 X1131 X1132 X2 X3 X12 X390 X145 X946 X8 X1699 X3832 (a, b, c) = (5, 6, 7) | AB = 1

X3832 (X3090com(EULER TRIANGLE)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3832 = X_3090com(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,
            circumcenter_of,
            construct_baseline_triangle,
            create_model,
            eval_barycentric_point,
            eval_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03832(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3832 = X_3090com(EULER TRIANGLE) on reference triangle ABC."""
            X_3832 = eval_barycentric_point(model, A, B, C, '(3*a**(4) - 5*b**(4) - 5*c**(4) + 2*a**(2)*b**(2) + 2*a**(2)*c**(2) + 10*b**(2)*c**(2))', ID="X_3832", 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_12 = eval_trilinear_point(model, A, B, C, '1 + cos(B - C)', ID="X_12", classes=["center", "incident"])
            X_390 = eval_trilinear_point(model, A, B, C, 'b*c*(b + c - a)*(3*a**(2) + (b - c)**(2))', ID="X_390", classes=["center", "incident"])
            central_line(model, X_12, X_390, 12, 390, incident=True)
            X_145 = eval_trilinear_point(model, A, B, C, 'b*c*(3*a - b - c)', ID="X_145", classes=["center", "incident"])
            X_946 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(3)*(b + c) + (b - c)**(2)*(a**(2) - a*b - a*c - b**(2) - c**(2) - 2*b*c))', ID="X_946", classes=["center", "incident"])
            central_line(model, X_145, X_946, 145, 946, incident=True)
            return promote_point_to_top(model, X_3832)


        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_3832 on the given reference triangle."""
            model = create_model('X_3832 = X_3090com(EULER TRIANGLE)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03832(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-03832.json"))
            write_center_svg(
                model_acute,
                here / "x-03832.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )