v1.0

Version 1.0:

• fix duplicate coordinates in geojson export #112
• add docs how-it-works
• replace dispatcher with if-else statments #114

Version 1.0rc11:

• support for fiona Collections, using the optional geojson module #100
• improvements on popping of merged linestrings #105, #107
• the to_gdf() funtion is serialized through GeoJSON features and not through Fiona/OGR #108
• documentation updates #101 and #103

Version 1.0rc10:

• introduced shared_coords as new default strategy to detect junctions #76 (thanks @martinfleis!)
• optimize reading geopandas objects #77
• add prevent_oversimplify as parameter #86
• fix serialize_as_json() to dump correct json to file #87 (thanks @olenhb!)
• store linestrings internally as numpy arrays instead of shapely geometries #90 - #97
• generate a speedup of ~20X for larger geographical objects

Version 1.0rc9:

• include to_geojson() function to return the Topology as an GeoJSON object #71
• include a __geo_interface__ for the Topology() class #71

Version 1.0rc8:

• complex shared paths are registered correctly #63
• new insterted junctions are inserted in right order #64

Version 1.0rc7:

• major refactoring to include quantization of points
• and to hash combinations of polygons/linestrings with points #61

Version 1.0rc6:

• fix linemerging of non-duplicate arcs #50
• include __geo_interface__ attributed as input #53
• include travis testing on GitHub (thanks @Casyfill!)
• migrate from unittests to pytest (thanks @Casyfill!)

Version 1.0rc5:

• change TopoOptions in to_dict to be serializable #46
• changed all int to np.int64, since it is platform specific #49, #45

Version 1.0rc4:

• no linestring key in topojson
• serialize str of TopoJSON or GeoJSON data
• add vw as algoritm type and update widget

Version 1.0rc3:

• changed class object to inherit sequence
• removed the topojson.topology function
• introducted the topojson.Topology class
• speedups and bug fixes, see #15 - #36
• introduced multiple options see #8

Version 1.0rc2:

• apply linemerge on non-duplicate arcs
• fix computing topology without shared boundaries #1, #3
• use geopandas and geojson solely for tests, but recognize them as type #2, #4
• use simplification as option to simplify linestrings
• include option to snap vertices to grid
• removed rdtree as dependency, use SRTtree from shapely instead

Version 1.0rc1:

• initial release

What's Changed

• improve parsing feature collection and feature by @mattijn in #5
• solved unboundlocalerror array_bk_sarcs by @mattijn in #6
• fix tests by @mattijn in #7
• use SRTtree instead of rdtree by @mattijn in #11
• bump to version 1.0rc2 by @mattijn in #12
• Merge branch 'setup-toml-travis' of https://github.com/mattijn/topojson into setup-toml-travis by @mattijn in #15
• update docstring by @mattijn in #16
• improves speeding by @mattijn in #17
• Fix #13 by @mattijn in #23
• WIP refactoring classes for improving inheritance by @mattijn in #24
• include list as accepted type by @mattijn in #25
• Insert vertices on linestring if on line but not as existing coord by @mattijn in #26
• add serialise as altair function by @mattijn in #29
• Improve the support of prequantization and delta-encoding as options by @mattijn in #31
• resolve winding order shared arcs by @mattijn in #32
• foreign members as properties and improved hashing of geometry collections by @mattijn in #33
• fix serialising objects with geo_interface in lists and dicts by @mattijn in #34
• include functions for presimplify and toposimplify by @mattijn in #35
• Add bbox on the index, add topoquantize and chaining of toposimplify and topoquantize by @mattijn in #36
• change options dict into parameters and to_svg function for Topology and Hashmap class by @mattijn in #38
• feature to_widget function by @mattijn in #39
• removed linestrings key add serialising geojson and topojson string by @mattijn in #42
• include vw as simplify algorithm including in the widget by @mattijn in #43
• changes the to_dict() functions by @mattijn in #47
• change all int to np.int64 by @mattijn in #49
• Fix: pop all indici except the last when line merge of non-duplicate arcs happened by @mattijn in #51
• FIX: popping of contiguous line-elements was too rigorous by @mattijn in #52
• ENH: improve parsing object with geo_interface attribute by @mattijn in #53
• Working travis by @Casyfill in #56
• added travis badge by @Casyfill in #57
• adding flake8 and pytest by @Casyfill in #58
• add a space by @mattijn in #48
• Migrate tests to pytest by @mattijn in #59
• Version 1.0rc6 by @mattijn in #60
• include (multi) point by @mattijn in #62
• Complex shared paths with backward and forward parts with non-existing junctions by @mattijn in #64
• doc changes from windows machine by @mattijn in #65
• update docs of deployment environment by @mattijn in #66
• Accept single geometries by @mattijn in #70
• include geojson serialization and geo_inferface by @mattijn in #71
• Fix hashmap and topology errors by @mattijn in #72
• Improve serialization of geopandas objects and code cleaning by @mattijn in #77
• Use dicts and sets in to get junctions by @martinfleis in #76
• Fix invalid geoms by @mattijn in #80
• Prepare Cut for coords routine by @mattijn in #78
• Adopt numpy-hash approach to find duplicates by @mattijn in #82
• refactoring classes by @mattijn in #83
• Include prevent_oversimplify and change shared_paths to shared_coords by @mattijn in #86
• Using json.dump method to write json to file by @olehb in #87
• Do not use shapely geometries from cut onwards by @mattijn in #90
• Improve deduplicate function by @mattijn in #92
• Store points as arrays instead of shapely points and improve its quantization by @mattijn in #93
• Shared_coords defaults to True by @mattijn in #94
• For ls cannot filter until 1 coordinate by @mattijn in #95
• Fix dequantization multipoint by @mattijn in #97
• Version 1.0rc10 by @mattijn in #98
• Support fiona and fix geojson errors by @mattijn in #100
• Improve docs by @mattijn in #101
• Improve docs by @mattijn in #103
• Fix dedup merged linestrings by @mattijn in #105
• no tolist() and only linemerge if no. arcs > 1 by @mattijn in #107
• Fix to gdf use to geojson by @mattijn in #108
• Version 1.0rc11 by @mattijn in #109
• Fix the duplicate coordinates in geojson export of topology by @YassineAbdelouadoud in #112
• Docs how it works by @mattijn in #113
• remove instance dispatcher by @mattijn in #114
• update version to 1.0 by @mattijn in #115

New Contributors

• @Casyfill made their first contribution in #56
• @martinfleis made their first contribution in #76
• @olehb made their first contribution in #87
• @YassineAbdelouadoud made their first contribution in #112

Full Changelog: https://github.com/mattijn/topojson/commits/v1.0