X2984

DC(X53)

< 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) { 97, 3199 }: Central Line L(97, 3199) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_2485 = RADICAL CENTER OF {CIRCUMCIRCLE, 1ST LEMOINE CIRCLE, NINE-POINT CIRCLE} (2.1894, 0.2056) X_933 = -CROSS CONJUGATE OF X(250) (0.4754, 0.6118) X_97 = ISOGONAL CONJUGATE OF X(53) (0.4798, 0.0756) X_3199 = -CEVA CONJUGATE OF X(51) (0.6307, 0.4844) X_2984 = DC(X(53)) (0.5223, 0.1908) A B C X2485 X933 X97 X3199 X2984 (a, b, c) = (5, 6, 7) | AB = 1

X2984 (DC(X53)) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_2984 = DC(X_53)."""

        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,
            point_from_barycentrics,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_02984(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_2984 = DC(X_53) on reference triangle ABC."""
            X_2984 = point_from_barycentrics(model, A, B, C, 0.35432335, 0.32762179, 0.31805485, ID="X_2984", classes=["selected", "target"])
            X_97 = eval_trilinear_point(model, A, B, C, 'cot(A)*sec(B - C)', ID="X_97", classes=["center", "incident"])
            X_3199 = point_from_barycentrics(model, A, B, C, 0.056190988, 0.13638244, 0.80742657, ID="X_3199", classes=["center", "incident"])
            central_line(model, X_97, X_3199, 97, 3199, incident=True)
            return promote_point_to_top(model, X_2984)


        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_2984 on the given reference triangle."""
            model = create_model('X_2984 = DC(X_53)')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_02984(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-02984.json"))
            write_center_svg(
                model_acute,
                here / "x-02984.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )