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57 lines
2.2 KiB
Markdown
57 lines
2.2 KiB
Markdown
## 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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