X3314

INTERSECTION OF LINES X2X_6 AND X76X_115

< 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) { 2, 6 }: Centroid–Symmedian Line { 3, 147 }: Central Line L(3, 147) { 76, 115 }: Central Line L(76, 115) { 315, 384 }: Central Line L(315, 384) { 982, 2887 }: Central Line L(982, 2887) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2 = CENTROID (0.5374, 0.2000) X_6 = SYMMEDIAN POINT (LEMOINE POINT, GREBE POINT) (0.6000, 0.2672) X_3 = CIRCUMCENTER (0.5000, 0.1021) X_147 = TARRY POINT OF ANTICOMPLEMENTARY TRIANGLE (-0.1660, 1.0561) X_76 = 3rd BROCARD POINT (0.4567, 0.1388) X_115 = CENTER OF KIEPERT HYPERBOLA (0.7507, 0.0838) X_315 = ISOTOMIC CONJUGATE OF X(66) (0.3323, -0.0666) X_384 = THE CONWAY POINT: EULER LINE INTERCEPT OF LINE X(32)X(76) (0.5532, 0.2412) X_982 = INTERSECTION OF LINES X(1)X(3) AND X(2)X(38) (0.5508, 0.1955) X_2887 = COMPLEMENTARY CONJUGATE OF X(37) (0.4947, 0.1495) X_3314 = INTERSECTION OF LINES X(2)X(6) AND X(76)X(115) (0.4770, 0.1350) A B C X2 X6 X3 X147 X76 X115 X315 X384 X982 X2887 X3314 (a, b, c) = (5, 6, 7) | AB = 1

X3314 (INTERSECTION OF LINES X2X_6 AND X76X_115) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3314 = INTERSECTION OF LINES X_2X_6 AND X_76X_115."""

        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_trilinear_point,
            promote_point_to_top,
            symmedian_point_of,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03314(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3314 = INTERSECTION OF LINES X_2X_6 AND X_76X_115 on reference triangle ABC."""
            X_3314 = eval_trilinear_point(model, A, B, C, '(b*c*((b**(2) + c**(2))**(2) - b**(2)*c**(2)))', ID="X_3314", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center", "incident"])
            X_6 = symmedian_point_of(model, A, B, C, ID="X_6", classes=["center", "incident"])
            central_line(model, X_2, X_6, 2, 6, incident=True)
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center", "incident"])
            X_147 = eval_trilinear_point(model, A, B, C, 'b*c*(a**(8) + (b**(2) + c**(2))*a**(6) - (2*b**(4) + 3*b**(2)*c**(2) + 2*c**(4))*a**(4) + (b**(6) + b**(4)*c**(2) + b**(2)*c**(4) + c**(6))*a**(2) - b**(8) + b**(6)*c**(2) + b**(2)*c**(6) - c**(8))', ID="X_147", classes=["center", "incident"])
            central_line(model, X_3, X_147, 3, 147, incident=True)
            X_76 = eval_trilinear_point(model, A, B, C, '1/a**(3)', ID="X_76", classes=["center", "incident"])
            X_115 = eval_trilinear_point(model, A, B, C, 'b*c*(b**(2) - c**(2))**(2)', ID="X_115", classes=["center", "incident"])
            central_line(model, X_76, X_115, 76, 115, incident=True)
            return promote_point_to_top(model, X_3314)


        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_3314 on the given reference triangle."""
            model = create_model('X_3314 = INTERSECTION OF LINES X_2X_6 AND X_76X_115')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03314(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-03314.json"))
            write_center_svg(
                model_acute,
                here / "x-03314.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )