X1559

ORTHOJOIN OF X393

X1559 = inverse-in-circumconic-centered-at-X4 of X20
< 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 { 133, 1515 }: Central Line L(133, 1515) 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_133 = INTERSECTION OF LINES X(4)X(74) AND X(5)X(122) (0.5928, 0.5014) X_1515 = ORTHOJOIN OF X(4) (0.5725, -0.0213) X_1559 = ORTHOJOIN OF X(393) (0.5860, 0.3272) A B C X2 X3 X4 X133 X1515 X1559 (a, b, c) = (5, 6, 7) | AB = 1

X1559 (ORTHOJOIN OF X393) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1559 = ORTHOJOIN OF X_393."""

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


        def construct_x_01559(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1559 = ORTHOJOIN OF X_393 on reference triangle ABC."""
            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"])
            X_133 = eval_trilinear_point(model, A, B, C, '(sec(A))*((sin(2*B) - sin(2*C))**(2) + (sin(2*A))*(sin(2*B)) + (sin(2*A))*(sin(2*C)) - 2*(sin(2*B))*(sin(2*C)))*(2*sin(2*A) - sin(2*B) - sin(2*C))', ID="X_133", classes=["center"])
            X_1515 = point_from_barycentrics(model, A, B, C, 0.44128126, 0.59428735, -0.035568613, ID="X_1515", classes=["center"])
            central_line(model, X_2, X_3, 2, 3)
            central_line(model, X_133, X_1515, 133, 1515)
            X_1559 = intersect_lines(model, X_2, X_3, X_133, X_1515, ID="X_1559", classes=["selected", "target"])
            return promote_point_to_top(model, X_1559)


        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_1559 on the given reference triangle."""
            model = create_model('X_1559 = ORTHOJOIN OF X_393')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01559(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-01559.json"))
            write_center_svg(
                model_acute,
                here / "x-01559.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )