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Release2.2.0

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Dane Springmeyer edited this page Jun 5, 2013 · 1 revision

Released June 3rd, 2013

(Packaged from 9231205)

See also: API-changes-between-v2.1-and-v2.2

  • Removed 3 depedencies without loosing any functionality: ltdl, cairomm and libsigc++ (#1804,#806,#1681)

  • Added 64 bit integer support in expressions, feature ids, and the grid_renderer (#1661,#1662,#1662)

  • Added the ability to disable the need for various dependencies: proj4, libpng, libtiff, libjpeg

  • Added faster reprojection support between epsg:3857 and epsg:4326 (#1705,#1703,#1579)

  • Fixed concurrency problem when using cursors in postgis plugin (#1823,#1588)

  • Fixed postgres connection pool leaks when using persist_connection=false (#1764)

  • Fixed postgres connection key to respect highest value of max_size and initial_size for any layer in map (#1599)

  • Fixed potential crash in wkb parsing when postgis returns null geometry (#1843)

  • Fixed blurry rendering of image and SVG icons (#1316)

  • Added detection of invalid srs values when loading xml (#646)

  • Added support for specifying a base_path as a third, optional argument to load_xml

  • Removed muffling of projection errors while rendering (#646)

  • Improved logging system (https://github.com/mapnik/mapnik/wiki/Logging)

  • Added support for reading images from in memory streams (#1805)

  • Optimized halo rendering. When halo radius is < 1 new method will be used automatically (#1781)

  • Added text-halo-rasterizer property. Set to fast for lower quality but faster halo rendering (#1298) which matched new default method when radius is < 1.

  • Added support in shape, sqlite, geojson, and csv plugin for handling non-latin characters in the paths to file-based resources (#1177)

  • Fixed rendering of markers when their size is greater than the specified spacing value (#1487)

  • Fixed handling of alpha premultiplication in image scaling (#1489)

  • Optimized rendering when a style with no symbolizers is encountered (#1517)

  • Optimized string handling and type conversion by removing boost::to_lower, boost::trim, and boost::lexical_cast usage (#1687,#1687,#1633)

  • Optimized alpha preserving hextree method for quantization of png images (#1629)

  • Faster rendering of rasters by reducing memory allocation of temporary buffers (#1516)

  • Fixed some raster reprojection artifacts (#1501)

  • Fixed raster alignment when width != height and raster is being scaled (#1748,#1622)

  • Added support for caching rasters for re-use during rendering when styling more than once per layer (#1543)

  • Improved compile speeds of the code - in some cases by up to 2x and removed need for freetype dependency when building code against mapnik (#1688, #1756)

  • Removed internal rule cache on mapnik::Map c++ object (#1723)

  • Improved the scaled rendering of various map features when using scale_factor > 1 (#1280,#1100,#1273,#1792,#1291,#1344,#1279,#1624,#1767,#1766)

  • Added C++ api for overriding scale_denominator to enable rendering at fixed scale (#1582)

  • Added Layer buffer-size that can be used to override Map buffer-size to avoid over-fetching of data that does not need to be buffered as much as other layers. Map level buffer-size will be default if layers do not set the option. Renamed a previously undocumented parameter by the same name that impacted clipping extent and was not needed (clipping padding should likely be a symbolizer level option) (#1566)

  • Fixed potential file descriptor leaks in image readers when invalid images were encountered (#1783)

  • Fixed alpha handling in the blur and invert image filters (#1541)

  • Fixed error reporting in the python plugin (#1422)

  • Added the ability to run tests without installing with make test-local

  • Reduced library binary size by adding support for -fvisibility-inlines-hidden and -fvisibility=hidden (#1826,#1832)

  • Added mapnik::map_request class, a special object to allow passing mutable map objects to renderer (#1737)

  • Added the ability to use boost::hash on mapnik::value types (#1729)

  • Removed obsolete geos plugin (functionality replaced by csv plugin) and unmaintained kismet plugin (#1809,#1833)

  • Added new mapnik-config flags: --all-flags, --defines, --git-describe, --includes, --dep-includes, --cxxflags, --cxx (#1443)

  • Added support for unicode strings as arguments in python bindings (#163)

  • Added DebugSymbolizer which is able to render the otherwise invisible collision boxes (#1366)

  • Optimized rendering by reducing overhead of using gamma property (#1174)

  • Fixed rendering artifacts when using polygon-gamma or line-gamma equal to 0 (#761,#1763)

  • Fixed and optimized the display of excessive precision of some float data in labels (#430,#1697)

  • Removed the bind option for datasources (#1654)

  • Added ability to access style list from map by (name,obj) in python (#1725)

  • Added is_solid method to python mapnik.Image and mapnik.ImageView classes (#1728)

  • Changed scale_denominator C++ interface to take scale as first argument rather than map.

  • Added support for background-image in cairo_renderer (#1724)

  • Fixed building symbolizer rendering to be fully sensitive to alpha (8b66128c892 / bc8ea1c5a7a)

  • <Filter>[attr]</Filter> now returns false if attr is an empty string (#1665)

  • <Filter>[attr]!=null</Filter> now returns true if attr is not null (#1642)

  • Added support for DBF Logical type: #1614

  • Added serialization of line-offset to save_map (#1562)

  • Enabled default input plugin directory and fonts path to be set inherited from environment settings in python bindings to make it easier to run tests locally (#1594). New environment settings are:

    • MAPNIK_INPUT_PLUGINS_DIRECTORY
    • MAPNIK_FONT_DIRECTORY

  • Added support for controlling rendering behavior of markers on multi-geometries marker-multi-policy (#1555,#1573)

  • Added alternative PNG/ZLIB implementation (miniz) that can be enabled with e=miniz (#1554)

  • Added support for setting zlib Z_FIXED strategy with format string: png:z=fixed

  • Fixed handling of transparency level option in octree png encoding (#1556)

  • Added ability to pass a pre-created collision detector to the cairo renderer (#1444)

  • Tolerance parameter is now supported for querying datasources at a given point (#503/#1499)

  • Improved detection of newlines in CSV files - now more robust in the face of mixed newline types (#1497)

  • Allow style level compositing operations to work outside of featureset extents across tiled requests (#1477)

  • Support for encoding literal postgres types as strings 69fb17cd3/#1466

  • Fixed zoom_all behavior when Map maximum-extent is provided. Previously maximum-extent was used outright but now the combined layer extents will be again respected: they will be clipped to the maximum-extent if possible and only when back-projecting fails for all layers will the maximum-extent be used as a fallback (#1473)

  • Compile time flag called PLUGIN_LINKING to allow input datasource plugins to be statically linked with the mapnik library (#249)

  • Fixed dasharray rendering in cairo backend (#1740)

  • Fixed handling of opacity in svg rendering (#1744)

  • Fixed uneven rendering of markers along lines (#1693)

  • Fixed handling of extra bytes in some shapefile fields (#1605)

  • Fixed handling (finally) of null shapes and partially corrupt shapefiles (#1630,#1621)

  • Added ability to re-use mapnik::image_32 and mapnik::grid by exposing a clear method (#1571)

  • Added support for writing RGB (no A) png images by using the format string of png:t=0 (#1559)

  • Added experimental support for geometry simplification at symbolizer level (#1385)

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