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CHANGELOG.md

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Changelog

Unreleased

0.9.45 - 2023-10-12

Changed

  • Use Qhull as an external dependecy instead of installing it ourselves to avoid conflicts.

0.9.43 - 2023-10-08

Added

  • Library.remap and Cell.remap to remap layer and data/text types
  • Add typing stub
  • Add deepcopy support

Changed

  • Raise an error if not both layer and datatype are specified in Cell.get_polygons and Reference.get_polygons.
  • Correct ordering of path ends in Library::read_oas()

Fixed

  • Sort slice positions when converting from python because the internal implementation expects the coordinates to be sorted

0.9.42 - 2023-06-14

Fixed

  • racetrack bug in inner radius

0.9.41 - 2023-05-24

Added

  • Dictionary-like access to library cells by name
  • len(Library) returns the number of cells in the library
  • Reference.cell_name to directly access a referenced cell's name

Fixed

  • RobustPath accepts width of 0 at the path end

0.9.37 - 2023-02-12

Changed

  • Build system changes for lower numpy version requirements

0.9.36 - 2023-02-10

Changed

  • Downgrade the zlib version dependency to support manylinux2014
  • Minor documentation improvements

0.9.35 - 2022-12-16

Fixed

  • Segfaults caused by class inheritance in Python
  • Segfaults caused by cleanup of incomplete initialization of Python instances

0.9.1 - 2022-10-12

Fixed

  • Reading polygons with extremely large number of vertices
  • Integer overflow in boolean operations
  • GdsWriter C++ API fix
  • Properly read zlib path from environment during build
  • Ensure polygons are closed when loading GDSII files
  • Reference counting in Reference.apply_repetition and Cell.flatten

0.9.0 - 2022-08-20

Fixed

  • Bug when saving OASIS files with missing references.

Added

  • Reference.get_polygons, Reference.get_paths, Reference.get_labels
  • Library.rename_cell
  • Library::rename_cell and Library::replace_cell in the C++ API

Changed

  • Cell.filter arguments modified to match read_gds.
  • Changed default tolerance for read_gds and read_oas to be the library's rounding size.
  • Reference::polygons renamed to Reference::get_polygons in the C++ API.
  • Reference::flexpaths renamed to Reference::get_flexpaths in the C++ API.
  • Reference::robustpaths renamed to Reference::get_robustpaths in the C++ API.
  • Reference::labels renamed to Reference::get_labels in the C++ API.
  • Removed magnification argument from Reference::init and Label::init in the C++ API.

0.8.3 - 2022-06-02

Fixed

  • References from raw cells are kept from garbage collection while in use
  • Allow assigning to Reference.x_reflection from Python
  • Errors in detection of arrays when exporting GDSII files

0.8.2 - 2022-02-26

Fixed

  • Cell.get_paths not returning all FlexPaths when RobustPaths were present in the cell (thanks @jatoben)
  • Reference array is no longer transformed into multiple references when element displacement is zero
  • Memory leaks in the python wrapper (thanks @jatoben)

Changed

  • Set separation instead of offset in FlexPath::init and RobustPath::init

0.8.1 - 2022-01-04

Fixed

  • Missing flag in OASIS bounding box property
  • Bug in bounding box when using explicit repetitions
  • Segfault when loading GDSII files with missing cells

Changed

  • GdsWriter C++ API
  • Safer initializers C++ API

0.8.0 - 2021-10-08

Added

  • Cell.get_polygons, Cell.get_paths, and Cell.get_labels return a copy of a cell’s polygons, paths or labels, including references, with the possibility of filtering by layer and type
  • Library.layers_and_datatypes and Library.layers_and_texttypes return tuples with the layer and data/text types found in the library.
  • gdstk.gds_info provide information about a GDSII file without fully loading it
  • Several FlexPath and RobustPath attributes.

Fixed

  • Label transforms in SVG output
  • Label styling in SVG output
  • Default label magnification when loading a GDSII file
  • Bugs when loading some OASIS files
  • Bug in OASIS output for some Manhattan geometry.
  • Bug fix in Map::del
  • Bounding box calculations take all repetitions into account
  • Memory leaks

Changed

  • Removed LAPACK dependency
  • The implementation of layer and data/text type for shapes and labels use the type Tag in the C++ API
  • Style arguments renamed in Cell.write_svg

0.7.0 - 2021-08-02

Added

  • contour function
  • Polygon.transform to apply a general transformation to the polygon vertices
  • Polygon.contain tests whether single points are inside the polygon
  • Polygon.contain_all and Polygon.contain_any test multiple points with short circuit
  • all_inside and any_inside test multiple points against multiple polygons with short circuit
  • Alternative function interfaces in the C++ API

Fixed

  • Holes in boolean results could lead to incorrect geometry in specific cases
  • Bug in boolean operations resulting in self-intersecting polygons
  • Bug in boolean operations with clockwise-oriented polygons
  • Unsupported records found when loading a library generate a warning, not an error

Changed

  • inside has changed to use the better interfaces: grouping has been removed, scaling is not necessary, and short-circuit is implemented in all_inside and any_inside

0.6.1 - 2021-07-03

Fixed

  • Bug in gdstk::read_oas and Library.read_oas

0.6.0 - 2021-06-29

Added

  • Library.replace, used when adding cells with substitution of duplicate cell names
  • Added pyproject.toml (thanks Ben Gollmer for the fix)

Changed

  • Reference.cell is now writable

Fixed

  • Bug in Array::insert not increasing the array count

0.5.0 - 2021-06-11

Added

  • Argument precision in Cell.write_svg controls the maximum number of digits of coordinates in the SVG
  • Function gds_timestamp can be used to query or set the timestamp in a GDSII file
  • Better error handling in the C++ API and argument validation for the Python wrapper

Changed

  • oas_validate returns None if the file has no checksum information
  • Library.write_gds and GdsWriter accept a timestamp setting

Fixed

  • Bend calculation for FlexPath correctly accounts for bending angle to make sure the bend fits
  • Missing files in the source distribution

0.4.0 - 2021-04-11

Added

  • Cell.filter to remove elements by layer and data/text type
  • Cell.convex_hull and Reference.convex_hull
  • FlexPath.path_spines() and RobustPath.path_spines()
  • Library.unit and Library.precision
  • Shapes can be sorted in Cell.write_svg (sorting works within each cell, references remain on top)

Changed

  • Bounding box calculations use convex hull for efficiency
  • Bounding box and convex hull calculations cache intermediate results for efficiency

Fixed

  • Robustpath.parametric docstring.
  • Accept None as a possible value for arguments in several RobustPath methods

0.3.2 - 2021-02-15

Fixed

  • Build system fixes for conda recipe

0.3.1 - 2021-02-12

Fixed

  • Missing constant definition

0.3.0 - 2021-02-12

Added

  • Support for OASIS files
  • Repetition property for geometric objects, labels and references
  • Library and cells can have properties

Changed

  • Use cmake to properly install library
  • More efficient bounding box calculation for rotations multiple of 90°
  • Labels are now included in bounding box calculations
  • Properties can be general or GDSII-specific. Only the latter are stored in gds files.
  • Attribute gdsii_path renamed to simple_path in FlexPath and RobustPath.

0.2.0 - 2020-11-23

Added

  • How-tos and C++ examples
  • Cell.add and Library.add accept iterators
  • Map<T>.has_key
  • Repetition class

Changed

  • RawCell doesn't copy the contents of its input file unless needed
  • Dependencies for Cell and RawCell are stored in maps, instead of arrays in the C++ API
  • The translate method of polygons and paths accept a sequence of 2 coordinates or a complex

Fixed

  • Incorrect scaling for FlexPath when scale_width = False
  • Typo in default SVG background specification
  • Negative path extensions are correctly implemented

0.1.1 - 2020-11-13

Fixed

  • Add missing source files to MANIFEST.in
  • Remove directory from CMakeLists.txt
  • Remove unnecessary dependency from conda

0.1.0 - 2020-10-03

Added

  • Initial release

Format based on Keep a Changelog