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How does the basemapgallery widget in ArcGIS work?
The BasemapGallery widget displays a collection images representing basemaps from ArcGIS.com or a user-defined set of map or image services. When a new basemap is selected from the BasemapGallery, the map’s basemap layers are removed and replaced with the basemap layers of the associated basemap selected in the gallery.
Where do I create a basemap in JavaScript?
Creates a new basemap object. Basemaps can be created from a PortalItem, from a well known basemap ID, or can be used for creating custom basemaps. These basemaps may be created from tiled services you publish to your own server, or from tiled services published by third parties.
How does the ArcGIS API for JavaScript work?
Since: ArcGIS API for JavaScript 4.0 Creates a new basemap object. Basemaps can be created from a PortalItem, from a well known basemap ID, or can be used for creating custom basemaps. These basemaps may be created from tiled services you publish to your own server, or from tiled services published by third parties.
What to do when no basemaps are available in the basemapgallery?
Indicates the heading level to use for the message “No basemaps available” when no basemaps are available in the BasemapGallery. The widget’s default CSS icon class. The unique ID assigned to the widget when the widget is created. The widget’s default label. The source for basemaps that the widget will display.
What happens to layer in ArcGIS API for JavaScript?
Since: ArcGIS API for JavaScript 4.17 Destroys the layer and any associated resources (including its portalItem, if it is a property on the layer). The layer can no longer be used once it has been destroyed. The destroyed layer will be removed from its parent object like Map, WebMap, WebScene, Basemap, Ground, or GroupLayer.
Do you need Esri / layers / tilelayer for JavaScript?
Create two instances of TileLayer prior to the code you wrote for creating a map and view. To do this, you must require the esri/layers/TileLayer module and specify the url property on the layer. The url property must point to a cached map service either hosted on ArcGIS Server or Portal for ArcGIS.
How do I close the basemap Gallery widget?
Click OK to close the window. Basemaps added to the Basemap Gallery widget must have the same spatial reference. Clicking the Basemap Gallery widget displays all the basemaps configured for this widget.
Do you have to sync basemap Gallery widget?
However, all basemaps added to the Basemap Gallery widget must have the same spatial reference. In addition, you have the option to synchronize the app at run time with the Basemap Gallery setting in your organization or portal.
Which is the default source for a basemap widget?
The source for basemaps that the widget will display. This property can be autocast with an array or Collection of Basemap s, or a Portal instance. The default source is a PortalBasemapsSource that points to the default portal instance set in esriConfig.portalUrl. The view from which the widget will operate.