mirror of
https://github.com/felt/tippecanoe.git
synced 2026-10-04 17:35:42 +02:00
Eric Fischer
1aac686670
commit 9edc2924e39266d70774b0ed0e07329a95e76f10 Author: Blake Thompson <flippmoke@gmail.com> Date: Mon May 2 14:45:21 2016 -0400 Updated to prevent segfault in case where specific iterator was being deleted and therefore, the range second no longer existed.
190 lines
4.9 KiB
Markdown
190 lines
4.9 KiB
Markdown
## 1.11.2
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* Update Clipper to fix potential crash
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## 1.11.1
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* Make better use of C++ standard libraries
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## 1.11.0
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* Convert C source files to C++
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## 1.10.0
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* Upgrade Clipper to fix potential crashes and improve polygon topology
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## 1.9.16
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* Switch to protozero as the library for reading and writing protocol buffers
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## 1.9.15
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* Add option not to clip features
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## 1.9.14
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* Clean up polygons after coalescing, if necessary
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## 1.9.13
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* Don't trust the OS so much about how many files can be open
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## 1.9.12
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* Limit the size of the parallel parsing streaming input buffer
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* Add an option to set the tileset's attribution
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## 1.9.11
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* Fix a line simplification crash when a segment degenerates to a single point
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## 1.9.10
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* Warn if temporary disk space starts to run low
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## 1.9.9
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* Add --drop-polygons to drop a fraction of polygons by zoom level
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* Only complain once about failing to clean polygons
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## 1.9.8
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* Use an on-disk radix sort for the index to control virtual memory thrashing
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when the geometry and index are too large to fit in memory
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## 1.9.7
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* Fix build problem (wrong spelling of long long max/min constants)
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## 1.9.6
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* Add an option to give specific layer names to specific input files
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## 1.9.5
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* Remove temporary files that were accidentally left behind
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* Be more careful about checking memory allocations and array bounds
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* Add GNU-style long options
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## 1.9.4
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* Tippecanoe-decode can decode .pbf files that aren't in an .mbtiles container
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## 1.9.3
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* Don't get stuck in a loop trying to split up very small, very complicated polygons
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## 1.9.2
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* Increase maximum tile size for tippecanoe-decode
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## 1.9.1
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* Incorporate Mapnik's Clipper upgrades for consistent results between Mac and Linux
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## 1.9.0
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* Claim vector tile version 2 in mbtiles
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* Split too-complex polygons into multiple features
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## 1.8.1
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* Bug fixes to maxzoom, and more tests
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## 1.8.0
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* There are tests that can be run with "make test".
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## 1.7.2
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* Feature properties that are arrays or hashes get stringified
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rather than being left out with a warning.
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## 1.7.1
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* Make clipping behavior with no buffer consistent with Mapnik.
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Features that are exactly on a tile boundary appear in both tiles.
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## 1.7.0
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* Parallel processing of input with -P works with streamed input too
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* Error handling if unsupported options given to -p or -a
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## 1.6.4
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* Fix crashing bug when layers are being merged with -l
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## 1.6.3
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* Add an option to do line simplification only at zooms below maxzoom
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## 1.6.2
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* Make sure line simplification matches on opposite sides of a tile boundary
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## 1.6.1
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* Use multiple threads for line simplification and polygon cleaning
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## 1.6.0
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* Add option of parallelized input when reading from a line-delimited file
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## 1.5.1
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* Fix internal error when number of CPUs is not a power of 2
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* Add missing #include
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## 1.5.0
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* Base zoom for dot-dropping can be specified independently of
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maxzoom for tiling.
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* Tippecanoe can calculate a base zoom and drop rate for you.
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## 1.4.3
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* Encode numeric attributes as integers instead of floating point if possible
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## 1.4.2
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* Bug fix for problem that would occasionally produce empty point geometries
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* More bug fixes for polygon generation
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## 1.4.1
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* Features that cross the antimeridian are split into two parts instead
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of being partially lost off the edge
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## 1.4.0
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* More polygon correctness
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* Query the system for the number of available CPUs instead of guessing
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* Merge input files into one layer if a layer name is specified
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* Document and install tippecanoe-enumerate and tippecanoe-decode
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## 1.3.0
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* Tile generation is multithreaded to take advantage of multiple CPUs
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* More compact data representation reduces memory usage and improves speed
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* Polygon clipping uses [Clipper](http://www.angusj.com/delphi/clipper/documentation/Docs/_Body.htm)
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and makes sure interior and exterior rings are distinguished by winding order
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* Individual GeoJSON features can specify their own minzoom and maxzoom
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* New `tile-join` utility can add new properties from a CSV file to an existing tileset
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* Feature coalescing, line-reversing, and reordering by attribute are now options, not defaults
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* Output of `decode` utility is now in GeoJSON format
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* Tile generation with a minzoom spends less time on unused lower zoom levels
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* Bare geometries without a Feature wrapper are accepted
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* Default tile resolution is 4096 units at all zooms since renderers assume it
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## 1.2.0
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* Switched to top-down rendering, yielding performance improvements
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* Add a dot-density gamma feature to thin out especially dense clusters
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* Add support for multiple layers, making it possible to include more
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than one GeoJSON featurecollection in a map. [#29](https://github.com/mapbox/tippecanoe/pull/29)
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* Added flags that let you optionally avoid simplifying lines, restricting
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maximum tile sizes, and coalescing features [#30](https://github.com/mapbox/tippecanoe/pull/30)
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* Added check that minimum zoom level is less than maximum zoom level
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* Added `-v` flag to check tippecanoe's version
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