X3539

EULER LINE INTERCEPT OF LINE X1056X_3084

X3539 = inverse-in-orthocentroidal-circle of X3540
< 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, 3 }: Euler Line { 1056, 3084 }: Central Line L(1056, 3084) { 1058, 3083 }: Central Line L(1058, 3083) 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_3 = CIRCUMCENTER (0.5000, 0.1021) X_4 = ORTHOCENTER (0.6122, 0.3958) X_1056 = POINT ALCYONE (0.5756, 0.2499) X_3084 = INTERSECTION OF LINES X(1)X(2) AND X(37)X(493) (0.3591, 0.0252) X_1058 = POINT ALKALUROPS (0.5662, 0.2123) X_3083 = INTERSECTION OF LINES X(1)X(2) AND X(37)X(494) (0.5529, 0.2152) X_3539 = EULER LINE INTERCEPT OF LINE X(1056)X(3084) (0.5440, 0.2171) A B C X2 X3 X4 X1056 X3084 X1058 X3083 X3539 (a, b, c) = (5, 6, 7) | AB = 1

X3539 (EULER LINE INTERCEPT OF LINE X1056X_3084) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_3539 = EULER LINE INTERCEPT OF LINE X_1056X_3084."""

        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,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_03539(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_3539 = EULER LINE INTERCEPT OF LINE X_1056X_3084 on reference triangle ABC."""
            X_3539 = eval_trilinear_point(model, A, B, C, '(cos(B)*cos(C) + 2*csc(A))', ID="X_3539", classes=["selected", "target"])
            X_2 = centroid_of(model, A, B, C, ID="X_2", classes=["center"])
            X_3 = circumcenter_of(model, A, B, C, ID="X_3", classes=["center"])
            central_line(model, X_2, X_3, 2, 3)
            X_1056 = eval_trilinear_point(model, A, B, C, '(2 + cos(B)*cos(C))', ID="X_1056", classes=["center", "incident"])
            X_3084 = eval_trilinear_point(model, A, B, C, '1 - csc(A)', ID="X_3084", classes=["center", "incident"])
            central_line(model, X_1056, X_3084, 1056, 3084, incident=True)
            X_1058 = eval_trilinear_point(model, A, B, C, '(2 - cos(B)*cos(C))', ID="X_1058", classes=["center", "incident"])
            X_3083 = eval_trilinear_point(model, A, B, C, '1 + csc(A)', ID="X_3083", classes=["center", "incident"])
            central_line(model, X_1058, X_3083, 1058, 3083, incident=True)
            return promote_point_to_top(model, X_3539)


        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_3539 on the given reference triangle."""
            model = create_model('X_3539 = EULER LINE INTERCEPT OF LINE X_1056X_3084')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_03539(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-03539.json"))
            write_center_svg(
                model_acute,
                here / "x-03539.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )