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        "author": "Helge Gehring, Matthias Blaicher, Wladick Hartmann, Wolfram Pernice",
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        "classifiers": [
            "Development Status :: 5 - Production/Stable",
            "Intended Audience :: Science/Research",
            "License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)",
            "Programming Language :: Python :: 3",
            "Topic :: Scientific/Engineering :: Electronic Design Automation (EDA)",
            "Topic :: Scientific/Engineering :: Physics"
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        "description": "GDSHelpers\n==========\n\n[![Build Status](https://travis-ci.org/HelgeGehring/gdshelpers.svg?branch=master)](https://travis-ci.org/HelgeGehring/gdshelpers)\n[![Documentation Status](https://readthedocs.org/projects/gdshelpers/badge/?version=latest)](https://gdshelpers.readthedocs.io/en/latest/?badge=latest)\n[![GitHub release](https://img.shields.io/github/release/helgegehring/gdshelpers)](https://github.com/HelgeGehring/gdshelpers/releases)\n[![PyPI](https://img.shields.io/pypi/v/gdshelpers)](https://pypi.org/project/gdsHelpers/)\n\n![](https://raw.githubusercontent.com/HelgeGehring/gdshelpers/master/index-1.png)\n\nGDSHelpers in an open-source package for automatized pattern generation for nano-structuring.\nIt allows exporting the pattern in the GDSII-format and OASIS-format, which are currently mainly used for describing 2D-masks.\nCurrently, the focus is mainly on photonic and superconducting circuitry.\nThe library consists of growing list of parts, which can be composed into larger circuits.\n\nSo far, the following parts are implemented:\n\n* A waveguide part, allowing easy chaing of bends and straight waveguides.\n  - Includes parameterized paths and B\u00e9zier curves.\n  - Automatic smooth connection to a target point/port\n  - The size of the waveguide can be tapered (linear or by a user defined function), \n    which can e.g. be used for optical edge coupling or electronic contact pads \n* Different types of splitters:\n  - Y-splitter\n  - MMI-splitters\n  - Directional splitter\n* Couplers\n  - Grating couplers (allowing apodized gratings)\n  - Tapers for hybrid 3D-integration\n* Ring and racetrack resonators\n* Mach-Zehnder interferometers\n* Spirals\n* Superconducting nanowire single photon detectors (SNSPDs)\n* Superconducting nanoscale Transistors (NTRONs)\n* Different types of markers\n* QRcodes\n* A possibility to include images\n* Text-elements for labeling the structures\n* GDSII-import\n\nBesides this it also allows to perform conveniently operations on the design, like:\n\n* Convert the pattern for usage of positive resist\n* Create holes around the circuitry, which is e.g. necessary for under-etching\n* Shapely-operations can also be applied on the generated structures, e.g. shrinking or inflating of the geometry\n\nThe structures are organized in cells, which allow:\n\n* Adding structures on multiple layers\n* Adding cells into other cells, the cells can be added with an offset with respect to the parent cell and can be rotated\n* Storing additional information, which can be used for saving design parameters\n* Automatized generation of region layers\n* Parallelized export\n\nFinally, there are also different formats in which the pattern can be exported:\n\n* The GDSII-format, which is quite often used for (electron beam/...)-lithography\n* The OASIS-format, which one of the successors of the GDSII-format\n* To an 2D-image\n* To stl-objects which are useful e.g. for 3D-renderings\n* Directly to a blender-file or an rendered 3D-image\n\n## Documentation\nYou can find the [documentation on readthedocs](https://gdshelpers.readthedocs.io)\n\n## Installation\nThe GDSHelpers can be installed via pip using\n(more details in the [installation documentation](https://gdshelpers.readthedocs.io/en/latest/install_guide/guide.html))\n```sh\npip install gdshelpers\n```",
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