X828

CROSSPOINT OF X2 AND X255

X828 is the crosspoint of X2 and X255.
< 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) 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_255 = ISOGONAL CONJUGATE OF X(158) (0.4217, 0.0365) X_828 = CROSSPOINT OF X(2) AND X(255) (0.5023, 0.0634) A B C X2 X255 X828 (a, b, c) = (5, 6, 7) | AB = 1

X828 (CROSSPOINT OF X2 AND X255) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_828 = CROSSPOINT OF X_2 AND X_255."""

        from __future__ import annotations

        from pathlib import Path

        import sympy.geometry as spg
        from geometor.model import Model

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


        def construct_x_00828(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_828 = CROSSPOINT OF X_2 AND X_255 on reference triangle ABC."""
            X_828 = eval_trilinear_point(model, A, B, C, '(sin(C)*(sec(B))**(2) + sin(B)*(sec(C))**(2))', ID="X_828", classes=["selected", "target"])
            return promote_point_to_top(model, X_828)


        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_828 on the given reference triangle."""
            model = create_model('X_828 = CROSSPOINT OF X_2 AND X_255')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_00828(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-00828.json"))
            write_center_svg(
                model_acute,
                here / "x-00828.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )