Skip to main content Link Search Menu Expand Document (external link)

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

System.String

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

LegendOptions

VisualVariable.VariableType Property

The visual variable type.

public virtual dymaptic.GeoBlazor.Core.Components.Layers.VisualVariableType VariableType { get; }

Property Value

VisualVariableType

Methods

VisualVariable.RegisterChildComponent(MapComponent) Method

Called from dymaptic.GeoBlazor.Core.Components.MapComponent.OnAfterRenderAsync(System.Boolean) 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

System.Threading.Tasks.Task

Exceptions

InvalidChildElementException
Throws if the current child is not a valid sub-component to the parent.

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

System.Threading.Tasks.Task