X3044

INTERSECTION X54X_114∩X99X_184

< 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) { 54, 114 }: Central Line L(54, 114) { 99, 184 }: Central Line L(99, 184) { 98, 1147 }: Central Line L(98, 1147) { 49, 2782 }: Central Line L(49, 2782) { 215, 3023 }: Central Line L(215, 3023) { 542, 3043 }: Central Line L(542, 3043) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_54 = KOSNITA POINT (0.5880, 0.2176) X_114 = KIEPERT ANTIPODE (0.3616, 0.4140) X_99 = STEINER POINT (0.1109, 0.4322) X_184 = INVERSE OF X(125) IN THE BROCARD CIRCLE (0.5788, 0.1496) X_98 = TARRY POINT (0.8891, -0.2281) X_1147 = ISOGONAL CONJUGATE OF X(847) (0.8329, 0.3027) X_49 = CENTER OF SINE-TRIPLE-ANGLE CIRCLE (0.6275, 0.1789) X_2782 = ISOGONAL CONJUGATE OF X(2698) (0.9849, -0.1797) X_215 = -CEVA CONJUGATE OF X(50) (0.4113, 0.3887) X_3023 = 7th STEVANOVIC POINT (0.7493, 0.0823) X_542 = DIRECTION OF VECTOR AX + BX + CX, where X = X(98) (0.1649, 0.6534) X_3043 = INTERSECTION X(4)X(110)∩X(74)X(184) (0.4742, 0.4540) X_3044 = INTERSECTION X(54)X(114)∩X(99)X(184) (0.8676, -0.0249) A B C X54 X114 X99 X184 X98 X1147 X49 X2782 X215 X3023 X542 X3043 X3044 (a, b, c) = (5, 6, 7) | AB = 1

X3044 (INTERSECTION X54X_114∩X99X_184) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3044 = INTERSECTION X_54X_114∩X_99X_184."""

        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,
            construct_baseline_triangle,
            create_model,
            eval_trilinear_point,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03044(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3044 = INTERSECTION X_54X_114∩X_99X_184 on reference triangle ABC."""
            X_3044 = eval_trilinear_point(model, A, B, C, '(a*(a**(4) + b**(4) - a**(2)*b**(2) - a**(2)*c**(2))*(a**(4) + c**(4) - a**(2)*b**(2) - a**(2)*c**(2)))', ID="X_3044", classes=["selected", "target"])
            X_54 = eval_trilinear_point(model, A, B, C, 'sec(B - C)', ID="X_54", classes=["center", "incident"])
            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"])
            central_line(model, X_54, X_114, 54, 114, incident=True)
            X_99 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) - c**(2))', ID="X_99", classes=["center", "incident"])
            X_184 = eval_trilinear_point(model, A, B, C, 'a**(2)*cos(A)', ID="X_184", classes=["center", "incident"])
            central_line(model, X_99, X_184, 99, 184, incident=True)
            X_98 = eval_trilinear_point(model, A, B, C, 'sec(A +  omega  )', ID="X_98", classes=["center", "incident"])
            X_1147 = eval_trilinear_point(model, A, B, C, '(sin(4*A))/sin(A)', ID="X_1147", classes=["center", "incident"])
            central_line(model, X_98, X_1147, 98, 1147, incident=True)
            return promote_point_to_top(model, X_3044)


        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_3044 on the given reference triangle."""
            model = create_model('X_3044 = INTERSECTION X_54X_114∩X_99X_184')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03044(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-03044.json"))
            write_center_svg(
                model_acute,
                here / "x-03044.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )