X1522

ORTHOJOIN OF X13

< 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, 14 }: Central Line L(4, 14) { 1523, 1553 }: Central Line L(1523, 1553) 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_14 = 2nd ISOGONIC CENTER (0.9134, -0.1143) X_1523 = ORTHOJOIN OF X(14) (0.6538, 0.5898) X_1553 = ORTHOJOIN OF X(115) (0.5489, 0.7779) X_1522 = ORTHOJOIN OF X(13) (3.2645, -4.0957) A B C X4 X14 X1523 X1553 X1522 (a, b, c) = (5, 6, 7) | AB = 1

X1522 (ORTHOJOIN OF X13) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1522 = ORTHOJOIN OF X_13."""

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


        def construct_x_01522(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1522 = ORTHOJOIN OF X_13 on reference triangle ABC."""
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center"])
            X_14 = eval_trilinear_point(model, A, B, C, 'csc(A -  pi  /3)', ID="X_14", classes=["center"])
            X_1523 = point_from_barycentrics(model, A, B, C, -0.034997969, 0.051789947, 0.98320802, ID="X_1523", classes=["center"])
            X_1553 = point_from_barycentrics(model, A, B, C, -0.051778529, -0.24504162, 1.2968202, ID="X_1553", classes=["center"])
            central_line(model, X_4, X_14, 4, 14)
            central_line(model, X_1523, X_1553, 1523, 1553)
            X_1522 = intersect_lines(model, X_4, X_14, X_1523, X_1553, ID="X_1522", classes=["selected", "target"])
            return promote_point_to_top(model, X_1522)


        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_1522 on the given reference triangle."""
            model = create_model('X_1522 = ORTHOJOIN OF X_13')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01522(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-01522.json"))
            write_center_svg(
                model_acute,
                here / "x-01522.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )