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CHANGELOG.md

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Change Log

[1.2.0] - 2023-06-02

新增

-Added dynamic buffer algorithm, which can support buffer algorithms with different widths for lines. -Optimized the union algorithm and realized union support for non convex polygon. -Solved the Issue issue.

[1.1.3] - 2022-08-30

Fixed

  • Fixed some buffer analysis method bugs

[1.1.2] - 2022-07-28

Added

  • Added a method to check the geometry struct is correct.

[1.1.1.1] - 2022-07-22

Added

  • Added a method to repair the self intersection of a polygon.

[1.1.1] - 2022-07-20

Added

  • Optimize the performance of topological relation algorithm and geometric operation algorithm of geometry
  • It standardizes the encoding and decoding methods of geoencoding and improves the compatibility with geojson format

[1.1.0] - 2022-05-26

Added

  • Optimize the topological relation algorithm and geometric operation algorithm of geometry and improve the performance of calculation
  • The encoding and decoding methods of geoencoding are standardized, and the encoder interface is realized
  • Added support for coordinate system

[1.0.4] - 2021-12-31

Added

  • Delaunay triangle method and Voronoi diagram

[1.0.3] - 2021-11-18

Added

  • Geobuf compression and decompression method can be used for vector data compression, compact structure data transfer faster

[1.0.2] - 2021-10-14

Added

  • A correlation method to verify the validity of spatial geometry
  • WKB transforms Str correlation methods
  • Add circle geometry

Fixed

  • Fix buffer analysis bug
  • Fix overlay analysis bug

[1.0.1] - 2021-08-30

Added

  • Methods for creating spatial indexes include Kd Tree, Quad Tree, Interval Tree, and Hilbert Packed R-Tree

[1.0.0] - 2021-08-09

Added

  • Reconstruction of geometric coverage, spatial analysis, vector construction and other related methods
  • No need to install GeoS geometric calculation library, independent implementation of space calculation methods

[0.1.4] - 2021-06-01

Added

  • Add parsing WKBHexStr method
  • AddMercatorDistance,calculating distance scale factor by latitude for Mercator

[0.1.3] - 2021-04-07

Added

  • Add hexagon grid method
  • Add GeoCSV file read method

[0.1.3] - 2021-04-07

Added

  • Add hexagon grid method
  • Add GeoCSV file read method

[0.1.2.1] - 2021-02-10

Fixed

  • Fix memory leaks and null pointers

[0.1.2] - 2021-02-08

Added

  • Add clustering method based on K-means clustering algorithm
  • Add clustering method based on DBSCAN algorithm
  • Add grid cutting method

[0.1.1] - 2021-01-15

Added

  • Add geojson data analysis method
  • Add wkb data analysis method
  • Add geometryCollection object analysis processing

Changed

  • The wkt analysis method is placed under the geoos/encoding/wkt package
  • The space calculation method is put under the geoos/planar package

[0.1.0] - 2020-12-22

Added

  • Add geometry basic type
  • Add basic spatial calculation method
  • Added wkt data format analysis
  • Add test cases