X1552

ORTHOJOIN OF X112

< 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) { 74, 403 }: Central Line L(74, 403) { 4, 523 }: Central Line L(4, 523) { 30, 1294 }: Central Line L(30, 1294) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_74 = ISOGONAL CONJUGATE OF EULER INFINITY POINT (0.7484, -0.3437) X_403 = OF THE ORTHIC TRIANGLE (0.7040, 0.6358) X_4 = ORTHOCENTER (0.6122, 0.3958) X_523 = ISOGONAL CONJUGATE OF X(110) (1.0856, -0.0096) X_30 = EULER INFINITY POINT (0.7469, 0.7481) X_1294 = COLLINGS TRANSFORM OF X(122) (0.4267, -0.4030) X_1552 = ORTHOJOIN OF X(112) (0.7167, 0.3558) A B C X74 X403 X4 X523 X30 X1294 X1552 (a, b, c) = (5, 6, 7) | AB = 1

X1552 (ORTHOJOIN OF X112) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1552 = ORTHOJOIN OF X_112."""

        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_barycentric_point,
            eval_trilinear_point,
            intersect_lines,
            orthocenter_of,
            promote_point_to_top,
        )
        from geometor.etc.render import write_center_svg


        def construct_x_01552(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1552 = ORTHOJOIN OF X_112 on reference triangle ABC."""
            X_74 = eval_trilinear_point(model, A, B, C, '1/(cos(A) - 2*cos(B)*cos(C))', ID="X_74", classes=["center"])
            X_403 = eval_trilinear_point(model, A, B, C, '(sec(A))*(1 + cos(2*B) + cos(2*C))', ID="X_403", classes=["center"])
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
            X_523 = eval_trilinear_point(model, A, B, C, 'sin(B -C)', ID="X_523", classes=["center"])
            central_line(model, X_74, X_403, 74, 403)
            central_line(model, X_4, X_523, 4, 523)
            X_1552 = intersect_lines(model, X_74, X_403, X_4, X_523, ID="X_1552", classes=["selected", "target"])
            X_30 = eval_trilinear_point(model, A, B, C, 'cos(A) - 2*cos(B)*cos(C)', ID="X_30", classes=["center", "incident"])
            X_1294 = eval_barycentric_point(model, A, B, C, '1/(a**(6)*(b**(2) + c**(2)) - a**(4)*(3*b**(4) - 4*b**(2)*c**(2) + 3*c**(4)) + 3*a**(2)*(b**(2) - c**(2))**(2)*(b**(2) + c**(2)) - (b**(2) - c**(2))**(2)*(b**(4) + 4*b**(2)*c**(2) + c**(4)))', ID="X_1294", classes=["center", "incident"])
            central_line(model, X_30, X_1294, 30, 1294, incident=True)
            return promote_point_to_top(model, X_1552)


        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_1552 on the given reference triangle."""
            model = create_model('X_1552 = ORTHOJOIN OF X_112')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01552(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-01552.json"))
            write_center_svg(
                model_acute,
                here / "x-01552.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )