dymaptic.GeoBlazor.Core
dymaptic.GeoBlazor.Core.Components.Layers
GeoRSSLayer Class
The GeoRSSLayer class is used to create a layer based on GeoRSS.
ArcGIS Maps SDK for JavaScript
public class GeoRSSLayer : dymaptic.GeoBlazor.Core.Components.Layers.Layer,
dymaptic.GeoBlazor.Core.Interfaces.IBlendLayer,
dymaptic.GeoBlazor.Core.Interfaces.IMapComponent,
dymaptic.GeoBlazor.Core.Interfaces.IOperationalLayer,
dymaptic.GeoBlazor.Core.Interfaces.IScaleRangeLayer
Inheritance System.Object 🡒 Microsoft.AspNetCore.Components.ComponentBase 🡒 MapComponent 🡒 Layer 🡒 GeoRSSLayer
Implements IBlendLayer, IMapComponent, IOperationalLayer, IScaleRangeLayer
Constructors
GeoRSSLayer() Constructor
Parameterless constructor for use as a Razor Component.
public GeoRSSLayer();
GeoRSSLayer(string, string, Nullable, Nullable, Nullable, string, Nullable, Effect, Extent, Nullable, Nullable, SimpleLineSymbol, Nullable, Nullable, Nullable, MarkerSymbol, SimpleFillSymbol, Nullable, TimeExtent) Constructor
Constructor for use in C# code. Use named parameters (e.g., item1: value1, item2: value2) to set properties in any order.
public GeoRSSLayer(string url, string? title=null, System.Nullable<double> opacity=null, System.Nullable<bool> visible=null, System.Nullable<dymaptic.GeoBlazor.Core.Enums.ListMode> listMode=null, string? arcGISLayerId=null, System.Nullable<dymaptic.GeoBlazor.Core.Enums.BlendMode> blendMode=null, dymaptic.GeoBlazor.Core.Model.Effect? effect=null, dymaptic.GeoBlazor.Core.Components.Geometries.Extent? fullExtent=null, System.Nullable<bool> isBasemapReferenceLayer=null, System.Nullable<bool> legendEnabled=null, dymaptic.GeoBlazor.Core.Components.Symbols.SimpleLineSymbol? lineSymbol=null, System.Nullable<double> maxScale=null, System.Nullable<double> minScale=null, System.Nullable<bool> persistenceEnabled=null, dymaptic.GeoBlazor.Core.Components.Symbols.MarkerSymbol? pointSymbol=null, dymaptic.GeoBlazor.Core.Components.Symbols.SimpleFillSymbol? polygonSymbol=null, System.Nullable<double> refreshInterval=null, dymaptic.GeoBlazor.Core.Components.TimeExtent? visibilityTimeExtent=null);
Parameters
url System.String
The URL pointing to a GeoRSS file.
ArcGIS Maps SDK for JavaScript
title System.String
The title of the layer used to identify it in places such as the LayerList widget.
ArcGIS Maps SDK for JavaScript
opacity System.Nullable<System.Double>
The opacity of the layer.
default 1
ArcGIS Maps SDK for JavaScript
visible System.Nullable<System.Boolean>
Indicates if the layer is visible in the View.
default true
ArcGIS Maps SDK for JavaScript
listMode System.Nullable<ListMode>
Indicates how the layer should display in the LayerList widget.
default “show”
ArcGIS Maps SDK for JavaScript
arcGISLayerId System.String
The unique ID assigned to the layer.
ArcGIS Maps SDK for JavaScript
blendMode System.Nullable<BlendMode>
Blend modes are used to blend layers together to create an interesting effect in a layer, or even to produce what seems like a new layer.
default normal
ArcGIS Maps SDK for JavaScript
effect Effect
Effect provides various filter functions that can be performed on the layer to achieve different visual effects similar to
how image filters work.
default null
ArcGIS Maps SDK for JavaScript
fullExtent Extent
The full extent of the layer.
ArcGIS Maps SDK for JavaScript
isBasemapReferenceLayer System.Nullable<System.Boolean>
Indicates whether the layer is a basemap reference layer. Default value: false.
legendEnabled System.Nullable<System.Boolean>
Indicates whether the layer will be included in the legend.
default true
ArcGIS Maps SDK for JavaScript
lineSymbol SimpleLineSymbol
Symbol used to represent line features from the GeoRSS feed.
ArcGIS Maps SDK for JavaScript
maxScale System.Nullable<System.Double>
The maximum scale (most zoomed in) at which the layer is visible in the view.
default 0
ArcGIS Maps SDK for JavaScript
minScale System.Nullable<System.Double>
The minimum scale (most zoomed out) at which the layer is visible in the view.
default 0
ArcGIS Maps SDK for JavaScript
persistenceEnabled System.Nullable<System.Boolean>
Enable persistence of the layer in a WebMap or WebScene.
default true
ArcGIS Maps SDK for JavaScript
pointSymbol MarkerSymbol
Symbol used to represent point features from the GeoRSS feed.
ArcGIS Maps SDK for JavaScript
polygonSymbol SimpleFillSymbol
Symbol used to represent polygon features from the GeoRSS feed.
ArcGIS Maps SDK for JavaScript
refreshInterval System.Nullable<System.Double>
Refresh interval of the layer in minutes.
default 0
ArcGIS Maps SDK for JavaScript
visibilityTimeExtent TimeExtent
Specifies a fixed time extent during which a layer should be visible.
default null
ArcGIS Maps SDK for JavaScript
Properties
GeoRSSLayer.BlendMode Property
Blend modes are used to blend layers together to create an interesting effect in a layer, or even to produce what seems like a new layer.
default normal
ArcGIS Maps SDK for JavaScript
public System.Nullable<dymaptic.GeoBlazor.Core.Enums.BlendMode> BlendMode { get; set; }
Implements BlendMode
Property Value
GeoRSSLayer.Effect Property
Effect provides various filter functions that can be performed on the layer to achieve different visual effects similar to
how image filters work.
default null
ArcGIS Maps SDK for JavaScript
public dymaptic.GeoBlazor.Core.Model.Effect? Effect { get; set; }
Implements Effect
Property Value
GeoRSSLayer.HasRefreshListener Property
Used in JavaScript layer to determine if the event listener is registered.
public bool HasRefreshListener { get; }
Property Value
GeoRSSLayer.LegendEnabled Property
Indicates whether the layer will be included in the legend.
default true
ArcGIS Maps SDK for JavaScript
public System.Nullable<bool> LegendEnabled { get; set; }
Property Value
System.Nullable<System.Boolean>
GeoRSSLayer.LineSymbol Property
Symbol used to represent line features from the GeoRSS feed.
ArcGIS Maps SDK for JavaScript
public dymaptic.GeoBlazor.Core.Components.Symbols.SimpleLineSymbol? LineSymbol { get; set; }
Property Value
GeoRSSLayer.MaxScale Property
The maximum scale (most zoomed in) at which the layer is visible in the view.
default 0
ArcGIS Maps SDK for JavaScript
public System.Nullable<double> MaxScale { get; set; }
Implements MaxScale
Property Value
System.Nullable<System.Double>
GeoRSSLayer.MinScale Property
The minimum scale (most zoomed out) at which the layer is visible in the view.
default 0
ArcGIS Maps SDK for JavaScript
public System.Nullable<double> MinScale { get; set; }
Implements MinScale
Property Value
System.Nullable<System.Double>
GeoRSSLayer.OnRefresh Property
Fires if the layer has the refreshInterval set or when refresh() method is called.
The event payload indicates if the layer’s data has changed.
public Microsoft.AspNetCore.Components.EventCallback<dymaptic.GeoBlazor.Core.Events.RefreshEvent> OnRefresh { get; set; }
Property Value
Microsoft.AspNetCore.Components.EventCallback<RefreshEvent>
GeoRSSLayer.PointSymbol Property
Symbol used to represent point features from the GeoRSS feed.
ArcGIS Maps SDK for JavaScript
public dymaptic.GeoBlazor.Core.Components.Symbols.MarkerSymbol? PointSymbol { get; set; }
Property Value
GeoRSSLayer.PolygonSymbol Property
Symbol used to represent polygon features from the GeoRSS feed.
ArcGIS Maps SDK for JavaScript
public dymaptic.GeoBlazor.Core.Components.Symbols.SimpleFillSymbol? PolygonSymbol { get; set; }
Property Value
GeoRSSLayer.RefreshInterval Property
Refresh interval of the layer in minutes.
default 0
ArcGIS Maps SDK for JavaScript
public System.Nullable<double> RefreshInterval { get; set; }
Property Value
System.Nullable<System.Double>
GeoRSSLayer.Type Property
Used internally to identify the sub type of Layer
public override dymaptic.GeoBlazor.Core.Enums.LayerType Type { get; }
Property Value
GeoRSSLayer.Url Property
The url for the GeoRSS source data.
public string? Url { get; set; }
Property Value
Methods
GeoRSSLayer.GetBlendMode() Method
Asynchronously retrieve the current value of the BlendMode property.
public System.Threading.Tasks.Task<System.Nullable<dymaptic.GeoBlazor.Core.Enums.BlendMode>> GetBlendMode();
Implements GetBlendMode()
Returns
System.Threading.Tasks.Task<System.Nullable<BlendMode>>
GeoRSSLayer.GetEffect() Method
Asynchronously retrieve the current value of the Effect property.
public System.Threading.Tasks.Task<dymaptic.GeoBlazor.Core.Model.Effect?> GetEffect();
Implements GetEffect()
Returns
System.Threading.Tasks.Task<Effect>
GeoRSSLayer.GetLegendEnabled() Method
Asynchronously retrieve the current value of the LegendEnabled property.
public System.Threading.Tasks.Task<System.Nullable<bool>> GetLegendEnabled();
Returns
System.Threading.Tasks.Task<System.Nullable<System.Boolean>>
GeoRSSLayer.GetLineSymbol() Method
Asynchronously retrieve the current value of the LineSymbol property.
public System.Threading.Tasks.Task<dymaptic.GeoBlazor.Core.Components.Symbols.SimpleLineSymbol?> GetLineSymbol();
Returns
System.Threading.Tasks.Task<SimpleLineSymbol>
GeoRSSLayer.GetMaxScale() Method
Asynchronously retrieve the current value of the MaxScale property.
public System.Threading.Tasks.Task<System.Nullable<double>> GetMaxScale();
Implements GetMaxScale()
Returns
System.Threading.Tasks.Task<System.Nullable<System.Double>>
GeoRSSLayer.GetMinScale() Method
Asynchronously retrieve the current value of the MinScale property.
public System.Threading.Tasks.Task<System.Nullable<double>> GetMinScale();
Implements GetMinScale()
Returns
System.Threading.Tasks.Task<System.Nullable<System.Double>>
GeoRSSLayer.GetPointSymbol() Method
Asynchronously retrieve the current value of the PointSymbol property.
public System.Threading.Tasks.Task<dymaptic.GeoBlazor.Core.Components.Symbols.MarkerSymbol?> GetPointSymbol();
Returns
System.Threading.Tasks.Task<MarkerSymbol>
GeoRSSLayer.GetPolygonSymbol() Method
Asynchronously retrieve the current value of the PolygonSymbol property.
public System.Threading.Tasks.Task<dymaptic.GeoBlazor.Core.Components.Symbols.SimpleFillSymbol?> GetPolygonSymbol();
Returns
System.Threading.Tasks.Task<SimpleFillSymbol>
GeoRSSLayer.GetRefreshInterval() Method
Asynchronously retrieve the current value of the RefreshInterval property.
public System.Threading.Tasks.Task<System.Nullable<double>> GetRefreshInterval();
Returns
System.Threading.Tasks.Task<System.Nullable<System.Double>>
GeoRSSLayer.GetUrl() Method
Asynchronously retrieve the current value of the Url property.
public System.Threading.Tasks.Task<string?> GetUrl();
Returns
System.Threading.Tasks.Task<System.String>
GeoRSSLayer.OnJsRefresh(IJSStreamReference) Method
JavaScript-Invokable Method for internal use only.
public System.Threading.Tasks.Task OnJsRefresh(Microsoft.JSInterop.IJSStreamReference jsStreamRef);
Parameters
jsStreamRef Microsoft.JSInterop.IJSStreamReference
Returns
GeoRSSLayer.Refresh() Method
Fetches all the data for the layer.
ArcGIS Maps SDK for JavaScript
public override System.Threading.Tasks.ValueTask Refresh();
Returns
System.Threading.Tasks.ValueTask
GeoRSSLayer.SetBlendMode(Nullable) Method
Asynchronously set the value of the BlendMode property after render.
public System.Threading.Tasks.Task SetBlendMode(System.Nullable<dymaptic.GeoBlazor.Core.Enums.BlendMode> value);
Parameters
value System.Nullable<BlendMode>
The value to set.
Implements SetBlendMode(Nullable<BlendMode>)
Returns
GeoRSSLayer.SetEffect(Effect) Method
Asynchronously set the value of the Effect property after render.
public System.Threading.Tasks.Task SetEffect(dymaptic.GeoBlazor.Core.Model.Effect? value);
Parameters
value Effect
The value to set.
Implements SetEffect(Effect)
Returns
GeoRSSLayer.SetLegendEnabled(Nullable) Method
Asynchronously set the value of the LegendEnabled property after render.
public System.Threading.Tasks.Task SetLegendEnabled(System.Nullable<bool> value);
Parameters
value System.Nullable<System.Boolean>
The value to set.
Returns
GeoRSSLayer.SetLineSymbol(SimpleLineSymbol) Method
Asynchronously set the value of the LineSymbol property after render.
public System.Threading.Tasks.Task SetLineSymbol(dymaptic.GeoBlazor.Core.Components.Symbols.SimpleLineSymbol? value);
Parameters
value SimpleLineSymbol
The value to set.
Returns
GeoRSSLayer.SetMaxScale(Nullable) Method
Asynchronously set the value of the MaxScale property after render.
public System.Threading.Tasks.Task SetMaxScale(System.Nullable<double> value);
Parameters
value System.Nullable<System.Double>
The value to set.
Implements SetMaxScale(Nullable<double>)
Returns
GeoRSSLayer.SetMinScale(Nullable) Method
Asynchronously set the value of the MinScale property after render.
public System.Threading.Tasks.Task SetMinScale(System.Nullable<double> value);
Parameters
value System.Nullable<System.Double>
The value to set.
Implements SetMinScale(Nullable<double>)
Returns
GeoRSSLayer.SetPersistenceEnabled(Nullable) Method
Asynchronously set the value of the PersistenceEnabled property after render.
public System.Threading.Tasks.Task SetPersistenceEnabled(System.Nullable<bool> value);
Parameters
value System.Nullable<System.Boolean>
The value to set.
Implements SetPersistenceEnabled(Nullable<bool>)
Returns
GeoRSSLayer.SetPointSymbol(MarkerSymbol) Method
Asynchronously set the value of the PointSymbol property after render.
public System.Threading.Tasks.Task SetPointSymbol(dymaptic.GeoBlazor.Core.Components.Symbols.MarkerSymbol? value);
Parameters
value MarkerSymbol
The value to set.
Returns
GeoRSSLayer.SetPolygonSymbol(SimpleFillSymbol) Method
Asynchronously set the value of the PolygonSymbol property after render.
public System.Threading.Tasks.Task SetPolygonSymbol(dymaptic.GeoBlazor.Core.Components.Symbols.SimpleFillSymbol? value);
Parameters
value SimpleFillSymbol
The value to set.
Returns
GeoRSSLayer.SetRefreshInterval(Nullable) Method
Asynchronously set the value of the RefreshInterval property after render.
public System.Threading.Tasks.Task SetRefreshInterval(System.Nullable<double> value);
Parameters
value System.Nullable<System.Double>
The value to set.
Returns
GeoRSSLayer.SetUrl(string) Method
Asynchronously set the value of the Url property after render.
public System.Threading.Tasks.Task SetUrl(string? value);
Parameters
value System.String
The value to set.
Returns
GeoRSSLayer.ValidateRequiredGeneratedChildren() Method
Validates source-generated child components.
public override void ValidateRequiredGeneratedChildren();
Implements ValidateRequiredGeneratedChildren()