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CHANGELOG.md

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Changelog

[2.0.0] - 2021-07-09

Added

  • Optionally use on-disk workspace with new --store option (@kleunen)
  • Load .pbf in parallel (@kleunen)
  • Static executable build for github CI (@kleunen)
  • Mac and Windows CI builds (@kleunen)
  • Write metadata.json for file output (@kleunen)
  • Merge tile contents when using --merge switch
  • Mapsplit (.msf) source data support
  • obj:MinZoom(z) to set the minimum zoom at which a feature will be rendered
  • obj:Centroid to get the central lat/lon of an OSM object
  • filter_below to skip small areas at low zooms
  • Make layer name available in shapefile attribute_function
  • Set minimum zoom at which attributes are written
  • Set minimum zoom for shapefile processing
  • Set minimum zooms for placenames, waterways, buildings, and landcover in OpenMapTiles processing (@typebrook, @systemed)
  • Render roads under construction on OpenMapTiles processing (@meromisi, @Beck-berry)
  • Support any (post-5.1) version of Lua
  • Build with Github Action (@typebrook)
  • Use a shared key/value dictionary across OutputObjects to reduce memory usage (@kleunen)

Changed

  • C++14 required
  • Remove Lua scale functions now that we return metres
  • Improve OpenMapTiles tag processing (@leonardehrenfried, @typebrook, @systemed, @QuentinC, @keichan34)
  • Use OpenMapTiles processing as default in tilemaker directory
  • Change OpenMapTiles minzoom to 0
  • Default simplify_ratio to 2
  • Ignore Lake Saimaa and USFS National Forest complex polygons in OpenMapTiles script
  • Rewrite linestring/polygon combining, with zoom level control (combine_below and combine_polygons_below)
  • Use boost::geometry::intersection for clipping (faster than clipper)
  • New simplify code (@kleunen)
  • Use boost::asio::thread_pool for tile generation (@kleunen)
  • Fallback to valid polygons if simplification produces invalid ones
  • Consistently use 1TBS in source
  • Only output validity errors in verbose mode
  • Various speedups (don't add objects to output list that fail minZoom, optimise clipping)

Fixed

  • Don't filter out ABCA areas (@rdsa)
  • Don't break with old versions of sqlite
  • Don't generate tiles outside bounding box (@kleunen)
  • Dissolve problematic geometries (@kleunen)
  • Assign multipolygon inners to correct outers, including multiple way inners
  • Significant performance improvements (@kleunen)
  • Support nodes in LayerAsCentroid

[1.6.0] - 2020-05-22

Added

  • Specify source_columns: true for shapefiles to import all attributes
  • Support creating tiles from shapefiles only (i.e. no .osm.pbf)
  • attribute_function to rewrite shapefile attributes from Lua
  • Improved diagnostics for invalid multipolygons
  • Output shapefile layer names when reading
  • Report memory usage in verbose mode
  • Out-of-the-box test tileserver and OpenMapTiles-compatible resources

Changed

  • Rewrite OpenMapTiles-compatible processing (@systemed, @sasfeat, @typebrook, @leonardehrenfried)
  • --combine flag now off by default
  • 32-bit ways and 16-bit tile index by default, change with -DFAT_WAYS -DFAT_TILE_INDEX
  • Use tsl::sparse_map instead of std::unordered_map for ~7% memory saving
  • Don't write invalid small polygons
  • Speedup for shapefile reading (@TimSC)
  • Move to Github Actions instead of Travis (@leonardehrenfried)
  • Reduce size of Docker image, use Ubuntu 20.04 (@leonardehrenfried)
  • Improve area and length calculation (@typebrook, @systemed)
  • Overwrite existing .mbtiles file by default

Fixed

  • CMake build fixed (@ogre)
  • Compatibility with pre-1.59 Boost Geometry
  • Typo fixes (@bezineb5)
  • Fix return value for --help (@typebrook)
  • Use supercover (modified Bresenham) algorithm for which tiles are affected by diagonal lines

[1.5.0] - 2018-02-18

Added

  • Support mbtiles 1.3 specification
  • Write extent field to tiles
  • Ability to specify MVT version (defaults to 2)
  • OpenMapTiles-like Lua/JSON files (@TimSC)
  • Dockerfile (@thomasbrueggemann)
  • Better error messages (@TimSC)
  • Support 64-bit way IDs (@TimSC)

Changed

  • Significant refactoring (@TimSC)

Fixed

  • Robustness fixes and error checking for invalid geometries, using clipper inter alia (@TimSC)
  • Don't break if config files not found
  • Don't break on massive .pbfs (e.g. France extract)
  • Don't break if .pbf only contains nodes, not ways
  • Fix build issues on some versions of OS X
  • Makefile fixes (@pnorman, @thomersch)

[1.4.0] - 2016-11-07

Added

  • Use threads when creating output tiles for massive speedup (@grafi-tt)
  • Bundle kaguya - no need for Luabind any more
  • Report how many output objects were stored
  • Add glug support to mbtileserver

Changed

  • way:FindContaining() now returns a Lua table rather than an iterator

Fixed

  • Polygon filling algorithm rewritten to work consistently (@grafi-tt)

Removed

  • Mapbox Studio-compatible file layout removed (licensing debatable)
  • Vagrantfile removed (dependency problems)

[1.3.0] - 2016-07-11

Added

  • Add cmake scripts and support MSVC on Windows (@alex85k)
  • Support way:IsClosed(), way:Area(), way:Length(), and way:ScaleToKm() (@grafi-tt)
  • Optionally call lua functions init_function() and exit_function() (@tinoue)
  • Support simplify_ratio, and calculate the actual simplify level by the formula simplify_level * pow(simplify_ratio, (simplify_below-1) - <current zoom>) (@tinoue)
  • Support simplify_length, that is simplify threshold in meters, instead of in degrees (its length changes corresponding to the latitude) (@grafi-tt)
  • Support 64-bit node IDs, with compile-time flag to use 32-bit (@systemed)
  • Merge polygons with identical attributes (@grafi-tt)
  • Error-handling for shapefile polygons and non-existent Lua layers (@grafi-tt)
  • Support shapefile polygons with multiple exterior rings (@fofanov)

Changed

  • Optimized SQLite output (@grafi-tt)
  • Refactored OSM object implementation (@grafi-tt)

Fixed

  • Add initialization to database class (avoid crash on shutdown) (@alex85k)
  • Documentation issues (@AndreMiras, @rory)
  • Clip shapefile geometries to tile boundaries (@grafi-tt)

[1.2.0] - 2015-10-08

Added

  • Load shapefiles into layers
  • Spatial queries (Intersects, FindIntersecting) on shapefiles
  • Choose deflate, gzip or no compression (@tinoue)
  • Show trace on Luabind errors (@tinoue)

Changed

  • Suppress "missing way" errors unless --verbose specified

Fixed

  • Die less horribly on Lua syntax errors
  • Don't add attributes if no Layer set
  • AttributeNumeric error (@tinoue)

[1.1.0] - 2015-09-28

Added

  • LayerAsCentroid method to write centroid of polygons (for labelling and POIs)
  • Option: simplify geometries on output
  • Option: write_to combines multiple input layers in one output layer
  • Option: gzip output compression
  • Option: user-specified output metadata
  • Vagrant config to ease creating VMs (@zerebubuth)
  • Compile sources to .o temporary files, for faster recompiles (@zerebubuth)
  • Lua/JSON config for Mapbox GL style-compatible output (@flamed0011)
  • Simple Ruby .mbtiles server for testing

Changed

  • Store nodes with projected latitudes
  • 10% speedup by using unordered_map (@zerebubuth)

Fixed

  • Don't die when keys_vals is empty in source .pbf (fixes bbbike/metro compatibility)
  • Code correctness, esp. avoiding reallocating arrays (@zerebubuth)
  • Build improvements (@zerebubuth)
  • Documentation improvements

[1.0.0] - 2015-06-29

Added

  • Initial release