layout: default title: TileLayer parent: Core Classes —
dymaptic.GeoBlazor.Core
dymaptic.GeoBlazor.Core.Components.Layers
TileLayer Class
The TileLayer allows you work with a cached map service exposed by the ArcGIS Server REST API and add it to a Map
as a tile layer. A cached service accesses tiles from a cache instead of dynamically rendering images. Because they
are cached, tiled layers render faster than MapImageLayers. To create an instance of TileLayer, you must reference
the URL of the cached map service.
ArcGIS Maps SDK for JavaScript
public class TileLayer : dymaptic.GeoBlazor.Core.Components.Layers.Layer
Inheritance System.Object 🡒 Microsoft.AspNetCore.Components.ComponentBase 🡒 MapComponent 🡒 Layer 🡒 TileLayer
Derived
↳ VectorTileLayer
Properties
TileLayer.LayerType Property
Used internally to identify the sub type of Layer
public override string LayerType { get; }
Property Value
TileLayer.MaxScale Property
The maximum scale (most zoomed in) at which the layer is visible in the view. If the map is zoomed in beyond this scale, the layer will not be visible. A value of 0 means the layer does not have a maximum scale. The maxScale value should always be smaller than the minScale value, and greater than or equal to the service specification.
public System.Nullable<double> MaxScale { get; set; }
Property Value
System.Nullable<System.Double>
TileLayer.MinScale Property
The minimum scale (most zoomed out) at which the layer is visible in the view. If the map is zoomed out beyond this scale, the layer will not be visible. A value of 0 means the layer does not have a minimum scale. The minScale value should always be larger than the maxScale value, and lesser than or equal to the service specification.
public System.Nullable<double> MinScale { get; set; }
Property Value
System.Nullable<System.Double>
TileLayer.PortalItem Property
The PortalItem from which the layer is loaded.
public dymaptic.GeoBlazor.Core.Components.PortalItem? PortalItem { get; set; }
Property Value
TileLayer.Url Property
The URL of the REST endpoint of the layer.
public string? Url { get; set; }
Property Value
Methods
TileLayer.RegisterChildComponent(MapComponent) Method
Called from dymaptic.GeoBlazor.Core.Components.MapComponent.OnInitializedAsync to “Register” the current component with it’s parent.
public override System.Threading.Tasks.Task RegisterChildComponent(dymaptic.GeoBlazor.Core.Components.MapComponent child);
Parameters
child MapComponent
The calling, child component to register
Returns
Exceptions
InvalidChildElementException
Throws if the current child is not a valid sub-component to the parent.
Remarks
This method is an implementation detail and should not be called directly by consumers. In future versions, this may be changed to an internal method. If you see no other way to register a child component, please open an issue on GitHub.
TileLayer.UnregisterChildComponent(MapComponent) Method
Undoes the “Registration” of a child with its parent.
public override System.Threading.Tasks.Task UnregisterChildComponent(dymaptic.GeoBlazor.Core.Components.MapComponent child);
Parameters
child MapComponent
The child to unregister
Returns
Remarks
This method is an implementation detail and should not be called directly by consumers. In future versions, this may be changed to an internal method.