dymaptic.GeoBlazor.Core
dymaptic.GeoBlazor.Core.Components.Layers
VisualVariable Class
The visual variable base class. See each of the subclasses that extend this class to learn how to create continuous
data-driven thematic visualizations.
ArcGIS JS API
public abstract class VisualVariable : dymaptic.GeoBlazor.Core.Components.MapComponent
Inheritance System.Object 🡒 Microsoft.AspNetCore.Components.ComponentBase 🡒 MapComponent 🡒 VisualVariable
Derived
↳ RotationVariable
↳ SizeVariable
Properties
VisualVariable.Field Property
The name of the numeric attribute field that contains the data values used to determine the
color/opacity/size/rotation of each feature.
public string Field { get; set; }
Property Value
VisualVariable.LegendOptions Property
An object providing options for displaying the visual variable in the Legend.
public dymaptic.GeoBlazor.Core.Components.Layers.LegendOptions? LegendOptions { get; set; }
Property Value
VisualVariable.VariableType Property
The visual variable type.
public virtual dymaptic.GeoBlazor.Core.Components.Layers.VisualVariableType VariableType { get; }
Property Value
Methods
VisualVariable.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.
VisualVariable.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.