new MapGuideImageryProviderEx(options)
提供Mapguide的直连服务
Example
var provider = new MapGuideImageryProviderEx({
{
"id": 2000,
"type": "mapguideex",
"name": "人口2017",
"url": "http://192.168.15.156:18083/WiseMap/mapagent/mapagent.fcgi?",
"mapName": "人口",
"session": "5842f346-a9b6-11ec-8000-b88584c3a890_en_MTkyLjE2OC4xNS4xNTY4A8B4A8D4A8C",
"boundingBox": {
"xMin": "112.687925707724",
"yMin": "30.6958595032289",
"xMax": "113.487580761669",
"yMax": "31.4563220853761"
},
"visible": true,
"layers": "0",
"epsgId": "4326",
});Parameters:
| Name | Type | Description | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
options |
Object | Object with the following properties: Properties
|
Members
(readonly) credit :Credit
Gets the credit to display when this imagery provider is active. Typically this is used to credit
the source of the imagery. This function should not be called before MapGuideImageryProviderEx#ready returns true.
Type:
- Credit
(readonly) customQueryParameters :String
Gets the customQueryParameters of the MapServer.
Type:
- String
(readonly) errorEvent :Event
Gets an event that is raised when the imagery provider encounters an asynchronous error. By subscribing
to the event, you will be notified of the error and can potentially recover from it. Event listeners
are passed an instance of TileProviderError.
Type:
- Event
(readonly) hasAlphaChannel :Boolean
- Default Value:
- true
Gets a value indicating whether or not the images provided by this imagery provider
include an alpha channel. If this property is false, an alpha channel, if present, will
be ignored. If this property is true, any images without an alpha channel will be treated
as if their alpha is 1.0 everywhere. When this property is false, memory usage
and texture upload time are reduced.
Type:
- Boolean
layers :String
Gets the comma-separated list of layer IDs to show.
Type:
- String
(readonly) maximumLevel :Number
Gets the maximum level-of-detail that can be requested. This function should
not be called before MapGuideImageryProviderEx#ready returns true.
Type:
- Number
(readonly) minimumLevel :Number
Gets the minimum level-of-detail that can be requested. This function should
not be called before MapGuideImageryProviderEx#ready returns true.
Type:
- Number
(readonly) proxy :Proxy
Gets the proxy used by this provider.
Type:
- Proxy
(readonly) ready :Boolean
Gets a value indicating whether or not the provider is ready for use.
Type:
- Boolean
(readonly) readyPromise :Promise.<Boolean>
Gets a promise that resolves to true when the provider is ready for use.
Type:
- Promise.<Boolean>
(readonly) rectangle :Rectangle
Gets the rectangle, in radians, of the imagery provided by this instance. This function should
not be called before MapGuideImageryProviderEx#ready returns true.
Type:
- Rectangle
(readonly) tileDiscardPolicy :TileDiscardPolicy
Gets the tile discard policy. If not undefined, the discard policy is responsible
for filtering out "missing" tiles via its shouldDiscardImage function. If this function
returns undefined, no tiles are filtered. This function should
not be called before MapGuideImageryProviderEx#ready returns true.
Type:
- TileDiscardPolicy
(readonly) tileHeight :Number
Gets the height of each tile, in pixels. This function should
not be called before MapGuideImageryProviderEx#ready returns true.
Type:
- Number
(readonly) tileWidth :Number
Gets the width of each tile, in pixels. This function should
not be called before MapGuideImageryProviderEx#ready returns true.
Type:
- Number
(readonly) tilingScheme :TilingScheme
Gets the tiling scheme used by this provider. This function should
not be called before MapGuideImageryProviderEx#ready returns true.
Type:
- TilingScheme
(readonly) token :String
Gets the ArcGIS token used to authenticate with the MapServer service.
Type:
- String
(readonly) url :String
Gets the URL of the MapServer.
Type:
- String
(readonly) usingPrecachedTiles :Boolean
- Default Value:
- true
Gets a value indicating whether this imagery provider is using pre-cached tiles from the
MapServer. If the imagery provider is not yet ready (MapGuideImageryProviderEx#ready), this function
will return the value of options.usePreCachedTilesIfAvailable, even if the MapServer does
not have pre-cached tiles.
Type:
- Boolean