Gdsfactory pcell. ports) return c print(my_pcell(length=11). With the klive klayout package for showing GDS files when you run. 5. Dec 9, 2023 · You can create a Path in gdsfactory and extrude it with an arbitrary CrossSection. gds. A stepwise debugger allows you to view the effect of each command on the PCell. As of now, it inculdes the following cells - nfet, pfet,nwell contact, substrate contact, inverter cell. You can also use gdsfactory. #2259 opened last month by 95-martin-orion. The DevRec marker generated by cladding is broken into four pieces and causes errors in component extra Jan 24, 2021 · You just need to adapt the functions to your foundry and build your own PDK (see UBC PDK example). grid (components: list[str | ~collections. Reload to refresh your session. 5, use_eff: bool = False, npoints: int | None = None) → Path [source] #. You signed out in another tab or window. get_route_sbend (port1: ~gdsfactory. Callable[[], ~gdsfactory. Nov 3, 2022 · port issues when absorbing #816. add_ref(gf. @atait @flaport @mabrains import gdsfactory as gf p = gf. invert #. 1. email "user@gmail. 5. git - b test - data test - data pip Generic PDK#. Changing a component after creating it can be dangerous as it will affect all of its instances. Classes# Gdsfactory has already some pre-defined classes for you. I use gdsfactory in an anaconda env on Windows System with python 3. Tools -> Manage Packages Component. width + cross_section. Parameters: port1 – start port. cell decorator for naming cells. Test on MacOs. activate() @gf. ; Append points to the Path either using the built-in functions (arc(), straight(), euler()) or by providing your own lists of points We would like to show you a description here but the site won’t allow us. joamatab opened this issue on Nov 3, 2022 · 9 comments. This notebook is for you to experiment with some common python patterns in gdsfactory. cell decorator to add the component to the cache. books. Anything you imagine . grating_coupler_elliptical_te, with_loopback=False ) cc. cell_decorator_settings The text was updated successfully, but these errors were encountered: gdsfactory includes a generic Technology module in gdsfactory. smooth enhancement. separation – bundle separation (center to center). class gdsfactory. generic_tech that you can use as an inspiration to create your own. The non-manhattan (all-angle) router allows you to route between ports and in directions which are not aligned with the x and y axes, which is the constraint of most other gdsfactory routers. port. Ideally you also get: Klayout layer properties files, to define the Layers that you can use when creating new custom Components. Feel free to modify their cross-sections and layers to tailor a unique PDK suited for any foundry of your choice. in gdsfactory we had the concept of size info for Cells and Instances. extension_length – adds straight extension. stores info that you want to use. visualize the GDS layout of the last saved files in a particular directory. Component | dict gdsdiff accepts test_name, and uses the path of the test_file for storing GDS files. git clone git @github . For routing to both sides you can follow different strategies: Place the edge couplers and route your components to the edge couplers. show () Apr 13, 2023 · Hi, I've been writing some functions that import components from gds and yaml files into a component. Consider them a foundation from which you can draw inspiration. A layer map maps layer names to a integer numbers pair (GDSlayer, GDSpurpose) Each foundry uses different GDS layer numbers for different process steps. It is built with KLayout as a backend instead of gdstk, but aims to offer the similar featuers. Reconsider get_component and similar methods enhancement. cell def my_pcell(length=10): c = gf. The pcells are generated adhering to the design rules of gf180 pdk and can be used and visualized live in klayout platform using VScode or jupyter notebook. Return the bounding box of the ComponentReference. boolean_klayout (gdspath1, gdspath2 [, ]) Returns a boolean operation between two components Uses KLayout python API. cell def demo_polygons(): # Create a blank component (essentially an empty GDS cell with some special features) c = gf. turn on a file watcher and watch changing files in specific folders. HUjie321 asked on Oct 21, 2023 in Q&A · Answered. . Closed. courses. import gdsfactory as gf def demo_polygons(): # Create a blank component (essentially an empty GDS cell with some special features) c = gf. my_pcell_length12. plot (Source code, png, hires Jul 13, 2022 · gdsfactory. Could you let me know if I am doing something wrong? Jan 14, 2024 · Is this a bug of gf. install pre-commit hooks for making sure your code syntax and style matches some basic rules. cell def sample_die (size= (8e3, 40e3), y_spacing An open source platform for end to-end photonic chip design and validation. Package for KLayout to add integrated optics / silicon photonics functionality (waveguides, netlist extraction, circuit simulations, etc) - SiEPIC/SiEPIC-Tools {"payload":{"allShortcutsEnabled":false,"fileTree":{"gdsfactory/samples":{"items":[{"name":"all_angle_routing","path":"gdsfactory/samples/all_angle_routing Sep 8, 2022 · You could probably use the options in the current get_netlist () function to ignore certain port types when netlisting, i. 3 of 10 tasks. #. def component_from_sliced_section (sliced_section): print (sliced_section. decorator is deprecated and will be removed soon. Launch VS Code Quick Open (Ctrl+P), paste the following command, and press enter. com / gdsfactory / gdsfactory - test - data . Avoid naming cells manually: Use cell decorator ¶ Naming cells manually is susceptible to name collisions Components with hierarchy #. Performs boolean operations between 2 Component/Reference/list objects. bundle route #. LayerMap# A layer map maps layer names to a integer numbers pair (GDSlayer, GDSpurpose) Each foundry uses different GDS layer numbers for different process steps. VSCode is a free open source popular editor that you can install. txt. gdsfactory defines your component once in memory and can add multiple References (Instances) to the same component. Floris has a better way of doing this. Parameters: elements – Component (/Reference), list of Component (/Reference), or Polygon A You can also route Edge couplers to a fiber array or to both sides of the chip. 6. Hello！. gdsfactory snaps ports to the grid by default to avoid grid snapping errors which are common in layout designs. gds. cell #If this cell decorator is removed, ver=2 works fine. “gdsfactory is a python library to design chips (Photonics, Analog, Quantum, MEMs, ), objects for 3D printing or PCBs. name is automatically computed, instead of entered, so we can live update cell I am trying the SiEPIC/Ansys netlisting tool. get_route_sbend# gdsfactory. 7 and 3. component. Components with hierarchy. spiral_archimedean (min_bend_radius = 5, separation = 2, number_of_loops = 3, npoints = 200) p. Contributor. __hash__ ()) #checking if different calls have identical hashes that could mess up cell decorator component = gf. we have routing functions that route: gdsfactory. Similar to lygadgets. add a flag to Component. Feb 5, 2024 · ZhimingShi commented on Feb 4. {"payload":{"allShortcutsEnabled":false,"fileTree":{"gdsfactory/samples":{"items":[{"name":"all_angle_routing","path":"gdsfactory/samples/all_angle_routing The python scripts generate pcells for gf180 pdk in gdsfactory. With that you can easily create the PDK as as python package. youTube videos. Returns inverted version of input shapes with additional border around the edges. com : YourUserName / gdsfactory . When I try to use 'component. A path can be extruded using any CrossSection returning a Component The CrossSection defines the layer numbers, widths and offsets Nov 20, 2022 · fix grid ports #900. Polygon offset (inward and outward rescaling of polygons) Efficient point-in-polygon solutions for large array sets. center. :exclamation: KFactory is still experimental, expect API changes without notice (even though we try to keep it to a minimum!) . You’ll need 2 windows: A text editor or IDE (Visual Studio Code, Pycharm, Spyder, neovim, Atom, Jupyterlab ) Klayout to Visualize the GDS files. ports2 – list of end ports. Gdsfactory extends phidl and gdspy with some useful photonics functions (see photonics package pp) to generate GDS layouts (GDSII is the standard format to create masks sets in the CMOS industry) functions easily adaptable to define components. ! git config --global user. gdsfactory provides some generic parametric cells in gf. write_gds_with_metadata ("Test_001. Before the code did not properly accept a list of layers. Deploy PCell library Mar 25, 2023 · The text was updated successfully, but these errors were encountered: Welcome to gdsfactory, a Python library designed for crafting chips (Photonics, Analog, Quantum, MEMs, and more), 3D printed objects, and PCBs. Jan 6, 2013 · Gdspy is a Python module for creation and manipulation of GDSII stream files. We append an incremental number. Defaults to -90 for south IO. Optical and high speed RF ports have an orientation that routes need to follow to avoid sharp turns that produce reflections. Copy. crossing() cc = gf. Test on Windows. add functools cache decorator for gdsfactory. i. Key features for the creation of complex CAD layouts are included: Boolean operations on polygons (AND, OR, NOT, XOR) based on clipping algorithm. The ports of the components like "wg1", "wg2", "wg3" are not showing up. get_netlist (with_spice_format=False) where we return YAML format by default but we can return a SPICE netlist. Component (name='whatever') behavior and raise a warning, saying that you need to use functions with @gf. geometry. Test on Linux. radius is the minimum radius of curvature of the bend. MutabilityError: You cannot modify locked Component 'die_db75779b'. Moreover, the PCell decorator can be with a GDSFactory component function (or any function that produces a gdspy cell) as well! Ever since the commit 8beec6b, the cell decorator no longer validates the type annotations of the input arguments. You can describe your hardware in code (python or YAML), verify it (DRC, simulation, extraction) and validate it (to Feb 16, 2024 · Hello. add_ports(ref. design. euler(radius: float = 10, angle: float = 90, p: float = 0. Expand docs and tests for get_bundle_all_angle enhancement. gdsfactory includes a generic Process Design Kit PDK, which is a library of components associated to a generic foundry process gdsfactory. columns. You have two options for working with gdsfactory: python flow: you define your layout using python functions (Parametric Cells), and connect them with routing functions. smooth () however, the all-angle router: {"payload":{"allShortcutsEnabled":false,"fileTree":{"gdsfactory":{"items":[{"name":"components","path":"gdsfactory/components","contentType":"directory"},{"name Feb 15, 2023 · gdspath = c. Generic PDK. To run the webapp you can just run gf webapp in the terminal. metadata_child gdsfactory. cell (func: None, /, *, autoname: bool = True, max_name_length: int | None = None, include_module: bool = False, with_hash: bool = False, ports_offgrid: str | None = None, ports_not_manhattan: str | None = None, flatten: bool = False, naming_style: str = 'default', default_decorator: Callable [[Component], Component] | None = None To import a PDK from GDS files into gdsfactory you need: GDS file with all the cells that you want to import in the PDK (or separate GDS files, where each file contains a GDS design). Mar 17, 2023 · In this talk we describe the gdsfactory design automation tool. The extension provides you with useful code snippets and filewatcher extension to see live modifications of *pic. #2227 opened on Oct 25 by 95-martin-orion. GDS" file into which I try writing. Component("demo") # Create and add a polygon from separate lists of x points and y points # (Can also be added like [(x1,y1), (x2,y2), (x3,y3), ] c. To Reproduce gdsfactory menu -> import_generic_PCells. Chooses the correct routing function depending on port angles. get bundle is the generic river bundle bus routing function that will call different function depending on the port orientation. boolean_polygons (operand1, operand2, operation) Perform a boolean operation and return the list of resulting Polygons. Here, you can code your hardware design in Python or YAML, perform verification (DRC, simulation, and extraction), and enable automated from gdsfactory. import_gds and gdsfactory. #816. If you are new to python you can find many resources online. how about adding it to kfactory? class SizeInfo: def __init__ (self, Nov 30, 2022 · In this talk we describe the gdsfactory design automation tool. Gdspy is a Python module for creation and manipulation of GDSII stream files. 8. Look for the telescope button on the top right of VSCode 🔭. die( size=(10000, 5000), # Size of die street_width=100, # Width of corner marks for die-sawing street_length=1000, # Length import gdsfactory as gf import gdstk @ gf. We append a uuid unique identifier when defining a fixed name. Copied to clipboard. Have a KLayout layermap. gdsfactory: An open source platform for end to-end chip design and validation. 0001, layer: LayerSpec = (1, 0)) → Component [source] #. Component] | ~gdsfactory. Essentially, before ad For routing to both sides you can follow different strategies: Place the edge couplers and route your components to the edge couplers. x. Get bundle acts as a high level entry point. Adding a reference is like having a pointer to a component. GDS represents points as integers where each point corresponds to a database unit (DBU). Lets create a path: Create a blank Path. The most common mistake new gdsfactory users make is to create cells without the cell decorator. Typically, in most foundries, the default DBU is set to 1 nanometer (1nm). You need to make a copy of this Component or create a new Component and add a reference to it. Gdsfactory is a Python library for designing chips (Photonics, Analog, Quantum, MEMs, and more), 3D printed objects, and PCBs. to get an electrical-only view of the circuit. Parametric Cells for the Generic PDK. Check the results in the PCell rendering window. As a reward, I promise to submit a PR with a more descriptive warning message suggesting what to do. import gdsfactory as gf D = gf. Makes easier to create the layermap. Component() # Create and add a polygon from separate lists of x points and y points # (Can also be added like [(x1,y1), (x2,y2), (x3 Grid snapping #. We had this working using lygadgets in the ubcpdk but it was a bit fragile. You switched accounts on another tab or window. info. The GDSII specification allows the use of references, and similarly gdsfactory uses them (with the PDK examples#. I'm uncertain whether this change was intentional or simply an oversight. yml or *. Returns the bounding box of the Path. Port, *, bend_s: ComponentFactory gdsfactory. I have uploaded my code with problems in my repository mlc_dev/Cellbug. gdsfactory downloads#. rename cache with lru_cache (maxsize=None) to keep compatibility with python3. Component() ref = c1. boolean_klayout. Can you explain to me how to implement the functionality that is being deprecated? I give a few examples below. path ¶ You can define a path with a list of points combined with a cross-section. Discuss code, ask questions & collaborate with the developer community. path. py files. I modified the Hi @joamatab, This patch fixes some difficult-to-find errors having to do with mutability (you'll see it even fixes one of the existing tests, for the grating_coupler_tree!). Tapering to wider straights reduces the optical loss when auto_widen=True. Lets tell Git who you are. Unlike gf. When you need to route groups of ports together without them crossing each other You can use a bundle/river/bus router. More than 50 Contributors. Returns the center of the bounding box. generic_tech import LAYER @gf. - Releases · gdsfactory/gdsfactory gdsfactory includes a generic Technology module in gdsfactory. git cd gdsfactory git clone https : // github . Note that ‘A+B’ is equivalent to ‘or’, ‘A-B’ is equivalent to ‘not’, and ‘B-A’ is equivalent to ‘not’ with the operands switched. When you install a PDK you have to make sure you also installed the correct version of gdsfactory. I have updated gdsfactory and now get a few deprecation messages. pdk import _ACTIVE_PDK cell_decorator_settings = _ACTIVE_PDK . Highlights: More than 1M downloads. mentioned this issue. 3. components. path. More than 10 PDKs available. jan-david-fischbach mentioned this issue on Nov 29, 2022. invert(elements, border: float = 10. straight(length=length)) c. Extend your component ports to each side. This library offers a klayout PCell decorator, which is much easier to use than the default PCell offered by the KLayout api. config. Anything you imagine import numpy as np import gdsfactory as gf from gdsfactory. rich_output() PDK = get_generic_pdk() PDK. Returns the (x, y) size of the bounding box. I'm using the @gf. 0 and gdspy==1. From the netlist you can simulate the Component or generate the layout. Aug 18, 2023 · Describe the bug Depending on the port ordering, get_bundle() sometimes returns routes which do not obey the connectivity instructions. grid# gdsfactory. Explore the GitHub Discussions forum for gdsfactory gdsfactory. LayerMap. drc. GDS") But can get only the components to show in Klayout. A Component is an empty canvas where you add polygons, references and ports (to connect to other components). components that you can customize for your application. 0, precision: float = 0. Mar 6, 2024 · KFactory 0. Component(name: str = 'Unnamed', with_uuid: bool = False, max_name_length: int | None = None) [source] #. Solution: Use the cell decorator to name cells. gap. typings. See components available in the generic component library that you can customize or adapt to create your own. size. In this way, you can easily autotransition between the different cross-section types. 9 in requirements. Aug 3, 2022 · How can we make Klayout PCells from gdsfactory Components? This enables to make gdsfactory Pcell instances and modifications from the klayout GUI. name) print(my_pcell(length=12). By default it will use the generic_pdk technology. update to phidl==1. show in menu and group all gdsfactory macro menus inside a gdsfactory menu PR. read. Defaults to cross_section. we thought it looked nicer and more consistent that way, but maybe it is a bit confusing Routes connect a bundle of ports with a river router. gdsfactory is written in python and requires some basic knowledge of python. Basic shapes# Rectangle# To create a simple rectangle, there are two functions: gf. The easiest way to import a PDK into gdsfactory is to: have each GDS cell into a separate GDS file. add_polygon install gdsfactory locally on your computer in -e edit mode. gdsfactory has a VScode extension that you can install from the marketplace. Installation. generic_tech . flatten_offgrid_references ()' command to fix the geometry which not snap to the grid, the command would change the cell's name and hierarchy, then I lost the cell's original name. Here, you can code your hardware design in Python or YAML, perform verification through DRC, simulation, and extraction, and validate in the lab to ensure your fabricated chip meets your specifications. Parameters: A – Component (/Reference) or list of Component (/References). add Implant simulation PR. Apr 25, 2023 · You signed in with another tab or window. add_fiber_array( component=c, optical_routing_type=2, grating_coupler=gf. but we changed the show_warning hook within gdsfactory to print them like loguru warnings. generic_tech import get_generic_pdk gf. magnification. 12. GDSfactory provides you an end to end workflow that combines layout, verification and validation, which is an extensible, open source, python driven flow for turning your chip designs into validated products. Allow sub-radius segments in gf. cell? Or it's my fault to use it wrongly? I really hope I can pass a class object into my function. verification. we made pytest tests which ensure that the warnings are raised in this situation. When working in a technologies with multiple waveguide cross-sections, it is useful to differentiate intent layers for the different waveguide types and assign default transitions between those layers. name) my_pcell_length11. from functools import partial import toolz import gdsfactory as gf from gdsfactory Make sure you review the grid snapping tutorial to understand how to avoid 1nm gaps on your layouts. Uses smooth euler bends instead of corners and tapers in straight sections. visualize your PDK components and change the Parametric Cell (PCell) settings. However, I would like to na python library to design chips (Photonics, Analog, Quantum, MEMs, ), objects for 3D printing or PCBs. Port, port2: ~gdsfactory. Parameters: ports1 – list of starting ports. Nor is it showing up in the "Test_001. We have some useful functions to invert the tone. Routing with different CrossSections. plot() Copy to clipboard. gdsfactory plugin for vscode. Sometimes you need to define not what you keep (positive resist) but what you etch (negative resist). import gdsfactory as gf from gdsfactory. And how you will edit text files (it will often ask you to edit messages and other information, and thus wants to know how you like to edit your files): # Put here your preferred editor. com" # replace user by your email. import gdsfactory as gf c = gf. joamatab closed this as completed on Nov 21, 2022. Aug 26, 2023 · We deprecate the deprecate gf. port issues when absorbing. layers. abc. As you build components you can include references to other components. Instantiate as many PCell variants as needed to check the results visually and perform DRC checks by, for example, using iPVS within the Virtuoso environment. e. stores settings that you use to build the component. @gf. Mar 31, 2023 · How can we register @cell functions, to make sure there are not two cells with the same name they can cause name conflicts Jan 1, 2024 · Reading the gdsfactory geometry documentation, one might think it is a good practice to use gdsfactory-level booleans to define Components/References using other Components/References While this can be done, the gdsfactory cell naming/ca {"payload":{"allShortcutsEnabled":false,"fileTree":{"gdsfactory/generic_tech/klayout":{"items":[{"name":"drc","path":"gdsfactory/generic_tech/klayout/drc Validate PCell variants. However, if use_eff is set to True, radius corresponds to the gc_rotation – fiber coupler rotation in degrees. have one GDS file with all the cells inside. The fill_rectangle function wants either a list or layers for fill_inverter or a list of bools. gdsfactory 7. rectangle() can create a basic rectangle: You can add polygons to different layers. It works well for most components but the bend. So it does not ask you for their location everytime. remember gdsfactory packages path. get_route_from_steps is a manual version of get_route and a more concise and convenient version of get_route_from_waypoints. gdsfactory. Returns an euler bend that adiabatically transitions from straight to curved. You can define component parametric cells (waveguides, bends, couplers) as functions with basic input parameters (width, length, radius ) and use them as arguments for composing more complex functions. 11. routing. The generic process including layer numbers is based on the book Workflow. Returns the x-coordinate of the center of the bounding box. This keeps safety while maintaining good user experience. 4. Different PDKs have different component libraries, design rules and layer stacks (GDS layers, materials and thickness). Kfactory is a gdsfactory -like tool. You can plot the downloads for gdsfactory over the last year. move klayout to gdsfactory/generic_tech/klayout, you will need to run gf tool install to link klive. Mar 7, 2023 · we used regular warnings instead of loguru warnings because it is more standard and supported in different ways within python. YAML Place and AutoRoute: you define your Component as Place and Route in YAML. bbox. Oct 25, 2022 · Friendly PCell definitions. Nov 17, 2022 · Describe the bug When trying to import PCell library in KLayout, it fails to import gdstk, and the entire process doesn't work. B – Component (/Reference) or list of Component (/References). 2. I think that when it is sorting ports for the bundle, it is doing it in a way that does not maintain Oct 31, 2022 · convert gdspy paths into klayout compatible paths. Example of grid snapping errors. More Info. Invert#. gt ff rx ed jf ba te ck lc uo