X1533

ORTHOJOIN OF X39

X1533 = reflection of X1531 in X1514
< 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) { 1531, 1514 }: Central Line L(1531, 1514) { 4, 83 }: Central Line L(4, 83) { 30, 113 }: Central Line L(30, 113) { 297, 1515 }: Central Line L(297, 1515) A = Vertex A (0.0000, 0.0000) B = Vertex B (1.0000, 0.0000) C = Vertex C (0.6122, 0.5999) X_1531 = ORTHOJOIN OF X(32) (0.0445, -0.5419) X_1514 = ORTHOJOIN OF X(3) (0.6818, 1.1255) X_4 = ORTHOCENTER (0.6122, 0.3958) X_83 = CEVAPOINT OF CENTROID AND SYMMEDIAN POINT (0.5651, 0.2360) X_30 = EULER INFINITY POINT (0.7469, 0.7481) X_113 = JERABEK ANTIPODE (0.4319, 0.4718) X_297 = -HIRST INVERSE OF X(4) (0.8440, 1.0022) X_1515 = ORTHOJOIN OF X(4) (0.5725, -0.0213) X_1533 = ORTHOJOIN OF X(39) (1.3190, 2.7929) A B C X1531 X1514 X4 X83 X30 X113 X297 X1515 X1533 (a, b, c) = (5, 6, 7) | AB = 1

X1533 (ORTHOJOIN OF X39) constructed on acute reference triangle \((a, b, c) = (5, 6, 7)\) with unit baseline AB = \(1\).

"""GEOMETOR construction model for X_1533 = ORTHOJOIN OF X_39."""

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


        def construct_x_01533(
            model: Model, A: spg.Point, B: spg.Point, C: spg.Point
        ) -> spg.Point:
            """Construct X_1533 = ORTHOJOIN OF X_39 on reference triangle ABC."""
            X_1531 = eval_trilinear_point(model, A, B, C, '(2*a**(4) - a**(2)*(b**(2) + c**(2)) - b**(4) - c**(4) + 2*b**(2)*c**(2))*(a**(5) - a*(b**(2) - c**(2))**(2) - 4*b*c*(b**(3)*cos(B) + c**(3)*cos(C)))', ID="X_1531", classes=["center"])
            X_1514 = point_from_barycentrics(model, A, B, C, -0.40927419, -0.46693548, 1.8762097, ID="X_1514", classes=["center"])
            X_1533 = reflection_in_point(model, X_1531, X_1514, ID="X_1533", classes=["selected", "target"], guide=False)
            X_4 = orthocenter_of(model, A, B, C, ID="X_4", classes=["center", "incident"])
            X_83 = eval_trilinear_point(model, A, B, C, 'b*c/(b**(2) + c**(2))', ID="X_83", classes=["center", "incident"])
            central_line(model, X_4, X_83, 4, 83, incident=True)
            X_30 = eval_trilinear_point(model, A, B, C, 'cos(A) - 2*cos(B)*cos(C)', ID="X_30", classes=["center", "incident"])
            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", "incident"])
            central_line(model, X_30, X_113, 30, 113, incident=True)
            X_297 = eval_trilinear_point(model, A, B, C, 'csc(2*A)*cos(A +  omega  )', ID="X_297", classes=["center", "incident"])
            X_1515 = point_from_barycentrics(model, A, B, C, 0.44128126, 0.59428735, -0.035568613, ID="X_1515", classes=["center", "incident"])
            central_line(model, X_297, X_1515, 297, 1515, incident=True)
            return promote_point_to_top(model, X_1533)


        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_1533 on the given reference triangle."""
            model = create_model('X_1533 = ORTHOJOIN OF X_39')
            A, B, C = construct_baseline_triangle(model, *sides, show_guides=show_guides)
            construct_x_01533(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-01533.json"))
            write_center_svg(
                model_acute,
                here / "x-01533.svg",
                subtitle="(a, b, c) = (5, 6, 7) | AB = 1",
            )