X562

TRILINEAR QUOTIENT X2*X50/X49

X562 = polar conjugate of X30529
< 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) { 4, 93 }: Central Line L(4, 93) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_4 = ORTHOCENTER (0.6122, 0.3958) X_93 = ISOGONAL CONJUGATE OF X(49) (0.5299, 0.2878) X_562 = TRILINEAR QUOTIENT X(2)*X(50)/X(49) (3.1429, 3.7154) A B C X4 X93 X562 (a, b, c) = (5, 6, 7) | AB = 1

X562 (TRILINEAR QUOTIENT X2*X50/X49) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_562 = TRILINEAR QUOTIENT X_2*X_50/X_49."""

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


        def construct_x_00562(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_562 = TRILINEAR QUOTIENT X_2*X_50/X_49 on reference triangle ABC."""
            X_562 = eval_trilinear_point(model, A, B, C, 'csc(A)*tan(3*A)', ID="X_562", classes=["selected", "target"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_93 = eval_trilinear_point(model, A, B, C, 'sec(3*A)', ID="X_93", classes=["center", "incident"])
            central_line(model, X_4, X_93, 4, 93, incident=True)
            return promote_point_to_top(model, X_562)


        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_562 on the given reference triangle."""
            model = create_model('X_562 = TRILINEAR QUOTIENT X_2*X_50/X_49')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00562(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-00562.json"))
            write_center_svg(
                model_acute,
                here / "x-00562.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )