X1544

ORTHOJOIN OF X58

< 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, 9 }: Orthocenter–Spieker Line { 30, 113 }: Central Line L(30, 113) 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_9 = MITTENPUNKT (0.5110, 0.1615) X_30 = EULER INFINITY POINT (0.7469, 0.7481) X_113 = JERABEK ANTIPODE (0.4319, 0.4718) X_1544 = ORTHOJOIN OF X(58) (-1.1953, -3.7857) A B C X4 X9 X30 X113 X1544 (a, b, c) = (5, 6, 7) | AB = 1

X1544 (ORTHOJOIN OF X58) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1544 = ORTHOJOIN OF X_58."""

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


        def construct_x_01544(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1544 = ORTHOJOIN OF X_58 on reference triangle ABC."""
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
            X_9 = mittenpunkt_of(model, A, B, C, ID="X_9", classes=["center"])
            X_30 = eval_trilinear_point(model, A, B, C, 'cos(A) - 2*cos(B)*cos(C)', ID="X_30", classes=["center"])
            X_113 = eval_trilinear_point(model, A, B, C, 'sin(B)*sin(C)*((sin(C))/(cos(C) - 2*cos(A)*cos(B)) + (sin(B))/(cos(B) - 2*cos(A)*cos(C)))', ID="X_113", classes=["center"])
            central_line(model, X_4, X_9, 4, 9)
            central_line(model, X_30, X_113, 30, 113)
            X_1544 = intersect_lines(model, X_4, X_9, X_30, X_113, ID="X_1544", classes=["selected", "target"])
            return promote_point_to_top(model, X_1544)


        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_1544 on the given reference triangle."""
            model = create_model('X_1544 = ORTHOJOIN OF X_58')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01544(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-01544.json"))
            write_center_svg(
                model_acute,
                here / "x-01544.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )