PilotGaea 2D O'view
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    類別 Draw

    Interaction for drawing feature geometries.

    ol.interaction.DrawEvent

    Options.

    stable

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    索引

    方法

    createRegularPolygon handleEvent unByKey removeLastPoint finishDrawing extend getActive getMap setActive get getKeys getProperties set setProperties unset changed dispatchEvent getRevision on once un unByKey

    構造函數

    constructor

    方法

    • Create a geometryFunction for mode: 'Circle' that will create a regular polygon with a user specified number of sides and start angle instead of an ol.geom.Circle geometry.

      參數

      • 可選opt_sides: number

        Number of sides of the regular polygon. Default is 32.

      • 可選opt_angle: number

        Angle of the first point in radians. 0 means East. Default is the angle defined by the heading from the center of the regular polygon to the current pointer position.

      回傳 DrawGeometryFunctionType

      Function that draws a polygon.

    • Handles the map browser event and may call into other functions, if event sequences like e.g. 'drag' or 'down-up' etc. are detected.

      參數

      回傳 boolean

      false to stop event propagation.

    • Removes an event listener using the key returned by on() or once().

      參數

      • key: Object | Object[]

        The key returned by on() or once() (or an array of keys).

      回傳 void

      stable

    • Remove last point of the feature currently being drawn.

      回傳 void

    • Stop drawing and add the sketch feature to the target layer. The ol.interaction.DrawEventType.DRAWEND event is dispatched before inserting the feature.

      回傳 void

    • Extend an existing geometry by adding additional points. This only works on features with LineString geometries, where the interaction will extend lines by adding points to the end of the coordinates array.

      參數

      回傳 void

    • Return whether the interaction is currently active.

      回傳 boolean

      true if the interaction is active, false otherwise.

    • Get the map associated with this interaction.

      回傳 Map

      Map.

    • Activate or deactivate the interaction.

      參數

      • active: boolean

        Active.

      回傳 void

    • Gets a value.

      參數

      • key: string

        Key name.

      回傳 any

      Value.

      stable

    • Get a list of object property names.

      回傳 string[]

      List of property names.

      stable

    • Get an object of all property names and values.

      回傳 { [k: string]: any }

      Object.

      stable

    • Sets a value.

      參數

      • key: string

        Key name.

      • value: any

        Value.

      • 可選opt_silent: boolean

        Update without triggering an event.

      回傳 void

      stable

    • Sets a collection of key-value pairs. Note that this changes any existing properties and adds new ones (it does not remove any existing properties).

      參數

      • values: { [k: string]: any }

        Values.

      • 可選opt_silent: boolean

        Update without triggering an event.

      回傳 void

      stable

    • Unsets a property.

      參數

      • key: string

        Key name.

      • 可選opt_silent: boolean

        Unset without triggering an event.

      回傳 void

      stable

    • Increases the revision counter and dispatches a 'change' event.

      回傳 void

    • 函數

      Dispatches an event and calls all listeners listening for events of this type. The event parameter can either be a string or an Object with a type property.

      參數

      回傳 void

    • Get the version number for this object. Each time the object is modified, its version number will be incremented.

      回傳 number

      Revision.

    • Listen for a certain type of event.

      參數

      • type: string | string[]

        The event type or array of event types.

      • listener: Function

        The listener function.

      • 可選opt_this: Object

        The object to use as this in listener.

      回傳 Object | Object[]

      Unique key for the listener. If called with an array of event types as the first argument, the return will be an array of keys.

      stable

    • Listen once for a certain type of event.

      參數

      • type: string | string[]

        The event type or array of event types.

      • listener: Function

        The listener function.

      • 可選opt_this: Object

        The object to use as this in listener.

      回傳 Object | Object[]

      Unique key for the listener. If called with an array of event types as the first argument, the return will be an array of keys.

      stable

    • Unlisten for a certain type of event.

      參數

      • type: string | string[]

        The event type or array of event types.

      • listener: Function

        The listener function.

      • 可選opt_this: Object

        The object which was used as this by the listener.

      回傳 void

      stable

    • 函數

      Removes an event listener using the key returned by on() or once(). Note that using the ol.Observable.unByKey static function is to be preferred.

      參數

      • key: Object | Object[]

        The key returned by on() or once() (or an array of keys).

      回傳 void

      stable

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