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Leaflet/CHANGELOG.md

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Leaflet Changelog
=================
(all changes without author notice are by [@mourner](https://github.com/mourner))
## 0.4 (master)
### Improvements
* Added `setPosition` and `getPosition` to all controls, as well as ability to pass certain position as an option when creating a control.
* Replaced ugly control position constants (e.g. L.Control.Position.TOP_LEFT) with light strings ('topleft', 'bottomright', etc.)
* Made controls implementation easier (now more magic happens under the hood).
### Bug fixes
* Fixed a bug where `TileLayer.WMS` wouldn't take `insertAtTheBottom` option into account (by [@bmcbride](https://github.com/bmcbride)). [#478](https://github.com/CloudMade/Leaflet/pull/478)
## 0.3.2 RC
* Fixed a regression where removeLayer would not remove corresponding attribution. [#488](https://github.com/CloudMade/Leaflet/issues/488)
## 0.3.1 (February 14, 2012)
* Fixed a regression where default marker icons wouldn't work if Leaflet include url contained a query string.
* Fixed a regression where tiles sometimes flickered with black on panning in iOS.
## 0.3 (February 13, 2012)
### Major features
* Added **Canvas backend** for vector layers (polylines, polygons, circles). This enables vector support on Android < 3, and it can also be optionally preferred over SVG for a performance gain in some cases. Thanks to [@florianf](https://github.com/florianf) for a big part of this work.
* Added **layers control** (`Control.Layers`) for convenient layer switching.
* Added ability to set **max bounds** within which users can pan/zoom. [#93](https://github.com/CloudMade/Leaflet/issues/93)
### Improvements
#### Usability improvements
* Map now preserves its center after resize.
* When panning to another copy of the world (that's infinite horizontally), map overlays now jump to corresponding positions. [#273](https://github.com/CloudMade/Leaflet/issues/273)
* Limited maximum zoom change on a single mouse wheel movement (so you won't zoom across the whole zoom range in one scroll). [#149](https://github.com/CloudMade/Leaflet/issues/149)
* Significantly improved line simplification performance (noticeable when rendering polylines/polygons with tens of thousands of points)
* Improved circles performance by not drawing them if they're off the clip region.
* Improved stability of zoom animation (less flickering of tiles).
#### API improvements
* Added ability to add a tile layer below all others (`map.addLayer(layer, true)`) (useful for switching base tile layers).
* Added `Map` `zoomstart` event (thanks to [@Fabiz](https://github.com/Fabiz)). [#377](https://github.com/CloudMade/Leaflet/pull/377)
* Improved `Map` `locate` method, added ability to watch location continuously and more options. [#212](https://github.com/CloudMade/Leaflet/issues/212)
* Added second argument `inside` to `Map` `getBoundsZoom` method that allows you to get appropriate zoom for the view to fit *inside* the given bounds.
* Added `hasLayer` method to `Map`.
* Added `Marker` `zIndexOffset` option to be able to set certain markers below/above others. [#65](https://github.com/CloudMade/Leaflet/issues/65)
* Added `urlParams` third optional argument to `TileLayer` constructor for convenience: an object with properties that will be evaluated in the URL template.
* Added `TileLayer` `continuousWorld` option to disable tile coordinates checking/wrapping.
* Added `TileLayer` `tileunload` event fired when tile gets removed after panning (by [@CodeJosch](https://github.com/CodeJosch)). [#256](https://github.com/CloudMade/Leaflet/pull/256)
* Added `TileLayer` `zoomOffset` option useful for non-256px tiles (by [@msaspence](https://github.com/msaspence)).
* Added `TileLayer` `zoomReverse` option to reverse zoom numbering (by [@Majiir](https://github.com/Majiir)). [#406](https://github.com/CloudMade/Leaflet/pull/406)
* Added `TileLayer.Canvas` `redraw` method (by [@mortenbekditlevsen](https://github.com/mortenbekditlevsen)). [#459](https://github.com/CloudMade/Leaflet/pull/459)
* Added `Polyline` `closestLayerPoint` method that's can be useful for interaction features (by [@anru](https://github.com/anru)). [#186](https://github.com/CloudMade/Leaflet/pull/186)
* Added `setLatLngs` method to `MultiPolyline` and `MultiPolygon` (by [@anru](https://github.com/anru)). [#194](https://github.com/CloudMade/Leaflet/pull/194)
* Added `getBounds` method to `Polyline` and `Polygon` (by [@JasonSanford](https://github.com/JasonSanford)). [#253](https://github.com/CloudMade/Leaflet/pull/253)
* Added `FeatureGroup` `setStyle` method (also inherited by `MultiPolyline` and `MultiPolygon`). [#353](https://github.com/CloudMade/Leaflet/issues/353)
* Added `FeatureGroup` `invoke` method to call a particular method on all layers of the group with the given arguments.
* Added `ImageOverlay` `load` event. [#213](https://github.com/CloudMade/Leaflet/issues/213)
* Added `minWidth` option to `Popup` (by [@marphi](https://github.com/marphi)). [#214](https://github.com/CloudMade/Leaflet/pull/214)
* Improved `LatLng` constructor to be more tolerant (and throw descriptive error if latitude or longitude can't be interpreted as a number). [#136](https://github.com/CloudMade/Leaflet/issues/136)
* Added `LatLng` `distanceTo` method (great circle distance) (by [@mortenbekditlevsen](https://github.com/mortenbekditlevsen)). [#462](https://github.com/CloudMade/Leaflet/pull/462)
* Added `LatLngBounds` `toBBoxString` method for convenience (by [@JasonSanford](https://github.com/JasonSanford)). [#263](https://github.com/CloudMade/Leaflet/pull/263)
* Added `LatLngBounds` `intersects(otherBounds)` method (thanks to [@pagameba](https://github.com/pagameba)). [#350](https://github.com/CloudMade/Leaflet/pull/350)
* Added `Bounds` `intersects(otherBounds)` method. [#461](https://github.com/CloudMade/Leaflet/issues/461)
* Added `L.Util.template` method for simple string template evaluation.
* Added `DomUtil.removeClass` method (by [@anru](https://github.com/anru)).
* Added ability to pass empty imageUrl to icons for creating transparent clickable regions (by [@mortenbekditlevsen](https://github.com/mortenbekditlevsen)). [#460](https://github.com/CloudMade/Leaflet/pull/460)
* Improved browser-specific code to rely more on feature detection rather than user agent string.
* Improved superclass access mechanism to work with inheritance chains of 3 or more classes; now you should use `Klass.superclass` instead of `this.superclass` (by [@anru](https://github.com/anru)). [#179](https://github.com/CloudMade/Leaflet/pull/179)
#### Breaking API changes
* `shiftDragZoom` map option/property renamed to `boxZoom`.
#### Development workflow improvements
* Build system completely overhauled to be based on Node.js, Jake, JSHint and UglifyJS.
* All code is now linted for errors and conformity with a strict code style (with JSHint), and wont build unless the check passes.
### Bugfixes
#### General bugfixes
* Fixed a bug where `Circle` was rendered with incorrect radius (didn't take projection exagerration into account). [#331](https://github.com/CloudMade/Leaflet/issues/331)
* Fixed a bug where `Map` `getBounds` would work incorrectly on a date line cross. [#295](https://github.com/CloudMade/Leaflet/issues/295)
* Fixed a bug where polygons and polylines sometimes rendered incorrectly on some zoom levels. [#381](https://github.com/CloudMade/Leaflet/issues/381)
* Fixed a bug where fast mouse wheel zoom worked incorrectly when approaching min/max zoom values.
* Fixed a bug where `GeoJSON` `pointToLayer` option wouldn't work in a `GeometryCollection`. [#391](https://github.com/CloudMade/Leaflet/issues/391)
* Fixed a bug with incorrect rendering of GeoJSON on a date line cross. [#354](https://github.com/CloudMade/Leaflet/issues/354)
* Fixed a bug where map panning would stuck forever after releasing the mouse over an iframe or a flash object (thanks to [@sten82](https://github.com/sten82)). [#297](https://github.com/CloudMade/Leaflet/pull/297) [#64](https://github.com/CloudMade/Leaflet/issues/64)
* Fixed a bug where mouse wheel zoom worked incorrectly if map is inside scrolled container (partially by [@chrillo](https://github.com/chrillo)). [#206](https://github.com/CloudMade/Leaflet/issues/206)
* Fixed a bug where it was possible to add the same listener twice. [#281](https://github.com/CloudMade/Leaflet/issues/281)
* Fixed a bug where `Circle` was rendered with incorrect radius (didn't take projection exaggeration into account). [#331](https://github.com/CloudMade/Leaflet/issues/331)
* Fixed a bug where `Marker` `setIcon` was not working properly (by [@marphi](https://github.com/marphi)). [#218](https://github.com/CloudMade/Leaflet/pull/218) [#311](https://github.com/CloudMade/Leaflet/issues/311)
* Fixed a bug where `Marker` `setLatLng` was not working if it's set before adding the marker to a map. [#222](https://github.com/CloudMade/Leaflet/issues/222)
* Fixed a bug where marker popup would not move on `Marker` `setLatLng` (by [@tjarratt](https://github.com/tjarratt)). [#272](https://github.com/CloudMade/Leaflet/pull/272)
* Fixed a bug where static properties of a child class would not override the parent ones.
* Fixed broken popup `closePopup` option (by [@jgerigmeyer](https://github.com/jgerigmeyer)).
* Fixed a bug that caused en error when dragging marker with icon without shadow (by [@anru](https://github.com/anru)). [#178](https://github.com/CloudMade/Leaflet/issues/178)
* Fixed a typo in `Bounds` `contains` method (by [@anru](https://github.com/anru)). [#180](https://github.com/CloudMade/Leaflet/pull/180)
* Fixed a bug where creating an empty `Polygon` with `new L.Polygon()` would raise an error.
* Fixed a bug where drag event fired before the actual movement of layer (by [@anru](https://github.com/anru)). [#197](https://github.com/CloudMade/Leaflet/pull/197)
* Fixed a bug where map click caused an error if dragging is initially disabled. [#196](https://github.com/CloudMade/Leaflet/issues/196)
* Fixed a bug where map `movestart` event would fire after zoom animation.
* Fixed a bug where attribution prefix would not update on `setPrefix`. [#195](https://github.com/CloudMade/Leaflet/issues/195)
* Fixed a bug where `TileLayer` `load` event wouldn't fire in some edge cases (by [@dravnic](https://github.com/dravnic)).
* Fixed a bug related to clearing background tiles after zooming (by [@neno-giscloud](https://github.com/neno-giscloud) & [@dravnic](https://github.com/dravnic)).
* Fixed a bug that sometimes caused map flickering after zoom animation.
* Fixed a bug related to cleaning up after removing tile layers (by [@dravnic](https://github.com/dravnic)). [#276](https://github.com/CloudMade/Leaflet/pull/276)
* Fixed a bug that made selecting text in the attribution control impossible. [#279](https://github.com/CloudMade/Leaflet/issues/279)
* Fixed a bug when initializing a map in a non-empty div. [#278](https://github.com/CloudMade/Leaflet/issues/278)
* Fixed a bug where `movestart` didn't fire on panning animation.
* Fixed a bug in Elliptical Mercator formula that affeted `EPSG:3395` CRS (by [@Savvkin](https://github.com/Savvkin)). [#358](https://github.com/CloudMade/Leaflet/pull/358)
#### Browser bugfixes
* Fixed occasional crashes on Mac Safari (thanks to [@lapinos03](https://github.com/lapinos03)). [#191](https://github.com/CloudMade/Leaflet/issues/191)
* Fixed a bug where resizing the map would sometimes make it blurry on WebKit (by [@mortenbekditlevsen](https://github.com/mortenbekditlevsen)). [#453](https://github.com/CloudMade/Leaflet/pull/453)
* Fixed a bug that raised error in IE6-8 when clicking on popup close button. [#235](https://github.com/CloudMade/Leaflet/issues/235)
* Fixed a bug with Safari not redrawing UI immediately after closing a popup. [#296](https://github.com/CloudMade/Leaflet/issues/296)
* Fixed a bug that caused performance drop and high CPU usage when calling `setView` or `panTo` to the current center. [#231](https://github.com/CloudMade/Leaflet/issues/231)
* Fixed a bug that caused map overlays to appear blurry in some cases under WebKit browsers.
* Fixed a bug that was causing errors in some Webkit/Linux builds (requestAnimationFrame-related), thanks to Chris Martens.
#### Mobile browser bugfixes
* Fixed a bug that caused an error when clicking vector layers under iOS. [#204](https://github.com/CloudMade/Leaflet/issues/204)
* Fixed crash on Android 3+ when panning or zooming (by [@florian](https://github.com/florianf)). [#137](https://github.com/CloudMade/Leaflet/issues/137)
* Fixed a bug on Android 2/3 that sometimes caused the map to disappear after zooming. [#69](https://github.com/CloudMade/Leaflet/issues/69)
* Fixed a bug on Android 3 that caused tiles to shift position on a big map.
* Fixed a bug that caused the map to pan when touch-panning inside a popup. [#452](https://github.com/CloudMade/Leaflet/issues/452)
* Fixed a bug that caused click delays on zoom control.
## 0.2.1 (2011-06-18)
* Fixed regression that caused error in `TileLayer.Canvas`.
## 0.2 (2011-06-17)
### Major features
* Added **WMS** support (`TileLayer.WMS` layer).
* Added different **projections** support, having `EPSG:3857`, `EPSG:4326` and `EPSG:3395` out of the box (through `crs` option in `Map`). Thanks to [@Miroff](https://github.com/Miroff) & [@Komzpa](https://github.com/Komzpa) for great advice and explanation regarding this.
* Added **GeoJSON** layer support.
### Improvements
#### Usability improvements
* Improved panning performance in Chrome and FF considerably with the help of `requestAnimationFrame`. [#130](https://github.com/CloudMade/Leaflet/issues/130)
* Improved click responsiveness in mobile WebKit (now it happens without delay). [#26](https://github.com/CloudMade/Leaflet/issues/26)
* Added tap tolerance (so click happens even if you moved your finger slighly when tapping).
* Improved geolocation error handling: better error messages, explicit timeout, set world view on locateAndSetView failure. [#61](https://github.com/CloudMade/Leaflet/issues/61)
#### API improvements
* Added **MultiPolyline** and **MultiPolygon** layers. [#77](https://github.com/CloudMade/Leaflet/issues/77)
* Added **LayerGroup** and **FeatureGroup** layers for grouping other layers.
* Added **TileLayer.Canvas** for easy creation of canvas-based tile layers.
* Changed `Circle` to be zoom-dependent (with radius in meters); circle of a permanent size is now called `CircleMarker`.
* Added `mouseover` and `mouseout` events to map, markers and paths; added map `mousemove` event.
* Added `setLatLngs`, `spliceLatLngs`, `addLatLng`, `getLatLngs` methods to polylines and polygons.
* Added `setLatLng` and `setRadius` methods to `Circle` and `CircleMarker`.
* Improved `LatLngBounds contains` method to accept `LatLng` in addition to `LatLngBounds`, the same for `Bounds contains` and `Point`
* Improved `LatLngBounds` & `Bounds` to allow their instantiation without arguments (by [@snc](https://github.com/snc)).
* Added TMS tile numbering support through `TileLayer` `scheme: 'tms'` option (by [@tmcw](https://github.com/tmcw)).
* Added `TileLayer` `noWrap` option to disable wrapping `x` tile coordinate (by [@jasondavies](https://github.com/jasondavies)).
* Added `opacity` option and `setOpacity` method to `TileLayer`.
* Added `setLatLng` and `setIcon` methods to `Marker`.
* Added `title` option to `Marker`.
* Added `maxZoom` argument to `map.locateAndSetView` method.
* Added ability to pass Geolocation options to map `locate` and `locateAndSetView` methods (by [@JasonSanford](https://github.com/JasonSanford)).
* Improved `Popup` to accept HTML elements in addition to strings as its content.
#### Development workflow improvements
* Added `Makefile` for building `leaflet.js` on non-Windows machines (by [@tmcw](https://github.com/tmcw)).
* Improved `debug/leaflet-include.js` script to allow using it outside of `debug` folder (by [@antonj](https://github.com/antonj)).
* Improved `L` definition to be compatible with CommonJS. [#122](https://github.com/CloudMade/Leaflet/issues/122)
### Bug fixes
#### General bugfixes
* Fixed a bug where zooming is broken if the map contains a polygon and you zoom to an area where it's not visible. [#47](https://github.com/CloudMade/Leaflet/issues/47)
* Fixed a bug where closed polylines would not appear on the map.
* Fixed a bug where marker that was added, removed and then added again would not appear on the map. [#66](https://github.com/CloudMade/Leaflet/issues/66)
* Fixed a bug where tile layer that was added, removed and then added again would not appear on the map.
* Fixed a bug where some tiles would not load when panning across the date line. [#97](https://github.com/CloudMade/Leaflet/issues/97)
* Fixed a bug where map div with `position: absolute` is reset to `relative`. [#100](https://github.com/CloudMade/Leaflet/issues/100)
* Fixed a bug that caused an error when trying to add a marker without shadow in its icon.
* Fixed a bug where popup content would not update on `setContent` call. [#94](https://github.com/CloudMade/Leaflet/issues/94)
* Fixed a bug where double click zoom wouldn't work if popup is opened on map click
* Fixed a bug with click propagation on popup close button. [#99](https://github.com/CloudMade/Leaflet/issues/99)
* Fixed inability to remove ImageOverlay layer.
#### Browser bugfixes
* Fixed a bug where paths would not appear in IE8.
* Fixed a bug where there were occasional slowdowns before zoom animation in WebKit. [#123](https://github.com/CloudMade/Leaflet/issues/123)
* Fixed incorrect zoom animation & popup styling in Opera 11.11.
* Fixed popup fade animation in Firefox and Opera.
* Fixed a bug where map isn't displayed in Firefox when there's an `img { max-width: 100% }` rule.
#### Mobile browsers bugfixes
* Fixed a bug that prevented panning on some Android 2.1 (and possibly older) devices. [#84](https://github.com/CloudMade/Leaflet/issues/84)
* Disabled zoom animation on Android by default because it's buggy on some devices (will be enabled back when it's stable enough). [#32](https://github.com/CloudMade/Leaflet/issues/32)
* Fixed a bug where map would occasionally break while multi-touch-zooming on iOS. [#32](https://github.com/CloudMade/Leaflet/issues/32)
* Fixed a bug that prevented panning/clicking on Android 3 tablets. [#121](https://github.com/CloudMade/Leaflet/issues/121)
* Fixed a bug that prevented panning/clicking on Opera Mobile. [#138](https://github.com/CloudMade/Leaflet/issues/138)
* Fixed potentional memory leak on WebKit when removing tiles, thanks to [@Scalar4eg](https://github.com/Scalar4eg). [#107](https://github.com/CloudMade/Leaflet/issues/107)
## 0.1 (2011-05-13)
Initial Leaflet release.
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