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    類別 ImageVector

    An image source whose images are canvas elements into which vector features read from a vector source (ol.source.Vector) are drawn. An ol.source.ImageVector object is to be used as the source of an image layer (ol.layer.Image). Image layers are rotated, scaled, and translated, as opposed to being re-rendered, during animations and interactions. So, like any other image layer, an image layer configured with an ol.source.ImageVector will exhibit this behaviour. This is in contrast to a vector layer, where vector features are re-drawn during animations and interactions.

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    索引

    方法

    unByKey getSource getStyle getStyleFunction setStyle getAttributions getLogo getProjection getState refresh setAttributions get getKeys getProperties set setProperties unset changed dispatchEvent getRevision on once un unByKey

    構造函數

    constructor

    方法

    • 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

    • Get a reference to the wrapped source.

      回傳 ol.source.Vector

      Source.

    • Get the style for features. This returns whatever was passed to the style option at construction or to the setStyle method.

      回傳 Style | Style[] | StyleFunction

      Layer style.

      stable

    • Get the style function.

      回傳 StyleFunction

      Layer style function.

      stable

    • Set the style for features. This can be a single style object, an array of styles, or a function that takes a feature and resolution and returns an array of styles. If it is undefined the default style is used. If it is null the layer has no style (a null style), so only features that have their own styles will be rendered in the layer. See ol.style for information on the default style.

      參數

      回傳 void

      stable

    • Refreshes the source and finally dispatches a 'change' event.

      回傳 void

    • Set the attributions of the source.

      參數

      • attributions: AttributionLike

        Attributions. Can be passed as string, Array<string>, {@link ol.Attribution}, Array<{@link ol.Attribution}> or undefined.

      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

    構造函數

    • 參數

      回傳 ImageVector

      An image source whose images are canvas elements into which vector features read from a vector source (ol.source.Vector) are drawn. An ol.source.ImageVector object is to be used as the source of an image layer (ol.layer.Image). Image layers are rotated, scaled, and translated, as opposed to being re-rendered, during animations and interactions. So, like any other image layer, an image layer configured with an ol.source.ImageVector will exhibit this behaviour. This is in contrast to a vector layer, where vector features are re-drawn during animations and interactions.

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