63 lines
3.4 KiB
Markdown
63 lines
3.4 KiB
Markdown
<table><tr>
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<th width="33.3%">Map</th><th width="33.3%">View</th><th width="33.3%">Layers</th>
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</tr><tr>
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<td><p>A [map](ol.Map.html) is made of [layers](ol.layer.html), a [view](ol.View.html) to visualize them, [interactions](ol.interaction.html) to modify map content and [controls](ol.control.html) with UI components.</p>
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[Overview](ol.Map.html)<br>
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[Creation](ol.Map.html#Map)<br>
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[Events](ol.MapBrowserEvent.html)</td>
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<td><p>The view manages the visual parameters of the map view, like resolution or rotation.</p>
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[ol.View](ol.View.html) with center, projection, resolution and rotation</td>
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<td><p>Layers are lightweight containers that get their data from [sources](ol.source.html).</p>
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[ol.layer.Tile](ol.layer.Tile.html)<br>
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[ol.layer.Image](ol.layer.Image.html)<br>
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[ol.layer.Vector](ol.layer.Vector.html)<br>
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[ol.layer.VectorTile](ol.layer.VectorTile.html)</td>
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</tr><tr>
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<th>Controls</th><th>Interactions</th><th>Sources and formats</th>
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</tr><tr>
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<td>[Map default controls](ol.control.html#.defaults)<br>
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[All controls](ol.control.html)
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</td>
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<td>
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[Map default interactions](ol.interaction.html#.defaults)<br>
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Interactions for [vector features](ol.Feature.html)
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<ul><li>[ol.interaction.Select](ol.interaction.Select.html)</li>
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<li>[ol.interaction.Draw](ol.interaction.Draw.html)</li>
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<li>[ol.interaction.Modify](ol.interaction.Modify.html)</li></ul>
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[All interactions](ol.interaction.html)</td>
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<td>[Tile sources](ol.source.Tile.html) for [ol.layer.Tile](ol.layer.Tile.html)
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<br>[Image sources](ol.source.Image.html) for [ol.layer.Image](ol.layer.Image.html)
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<br>[Vector sources](ol.source.Vector.html) for [ol.layer.Vector](ol.layer.Vector.html)
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<br>[Vector tile sources](ol.source.VectorTile.html) for [ol.layer.VectorTile](ol.layer.VectorTile.html)
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<br>[Formats](ol.format.Feature.html) for reading/writing vector data
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<br>[ol.format.WMSCapabilities](ol.format.WMSCapabilities.html)</td></tr>
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<tr><th>Projections</th><th>Observable objects</th><th>Other components</th></tr>
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<tr><td><p>All coordinates and extents need to be provided in view projection (default: EPSG:3857). To transform, use [ol.proj.transform()](ol.proj.html#.transform) and [ol.proj.transformExtent()](ol.proj.html#.transformExtent).</p>
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[ol.proj](ol.proj.html)</td>
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<td><p>Changes to all [ol.Objects](ol.Object.html) can observed by calling the [object.on('propertychange')](ol.Object.html#on) method. Listeners receive an [ol.Object.Event](ol.Object.Event.html) with information on the changed property and old value.</p>
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<td>[ol.DeviceOrientation](ol.DeviceOrientation.html)<br>
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[ol.Geolocation](ol.Geolocation.html)<br>
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[ol.Overlay](ol.Overlay.html)<br></td>
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</tr></table>
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#### API change policy
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The OpenLayers API consists of
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* names and signatures of constructors
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* names and signatures of instance methods and properties
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* names and signatures of functions
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* names of constants
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Within a major release series, the API will not be changed. Any changes to the API will be accompanied by a new major release.
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*Note*: The API change policy does not cover CSS class names that are used to style the
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OpenLayers UI.
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*Note for Closure Compiler users compiling their application code together with OpenLayers*:
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The names of types other than those in the list above (e.g. `ol.Coordinate`) are subject to change. It
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is therefore recommended to either use the resolved type as listed in the API docs (e.g.
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`Array.<number>` instead of `ol.Coordinate`), or pay attention to the upgrade notes, which will list
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the changes for those types.
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