dymaptic.GeoBlazor.Core
dymaptic.GeoBlazor.Core.Components
Circle Class
A circle is a Polygon created by specifying a center point
and a radius.
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public class Circle : dymaptic.GeoBlazor.Core.Components.Geometries.Polygon
Inheritance System.Object 🡒 Microsoft.AspNetCore.Components.ComponentBase 🡒 MapComponent 🡒 Geometry 🡒 Polygon 🡒 Circle
Constructors
Circle() Constructor
Parameterless constructor for use as a Razor Component.
public Circle();
Circle(Point, double, Point, Nullable, Nullable, Nullable, Nullable, Nullable, Nullable, IReadOnlyList, SpatialReference) Constructor
Constructor for use in C# code. Use named parameters (e.g., item1: value1, item2: value2) to set properties in any order.
public Circle(dymaptic.GeoBlazor.Core.Components.Geometries.Point center, double radius, dymaptic.GeoBlazor.Core.Components.Geometries.Point? centroid=null, System.Nullable<bool> geodesic=null, System.Nullable<bool> hasM=null, System.Nullable<bool> hasZ=null, System.Nullable<bool> isSelfIntersecting=null, System.Nullable<int> numberOfPoints=null, System.Nullable<dymaptic.GeoBlazor.Core.Enums.RadiusUnit> radiusUnit=null, System.Collections.Generic.IReadOnlyList<dymaptic.GeoBlazor.Core.Model.MapPath>? rings=null, dymaptic.GeoBlazor.Core.Components.SpatialReference? spatialReference=null);
Parameters
center Point
The center point of the circle.
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radius System.Double
The radius of the circle.
default 1000
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centroid Point
The centroid of the polygon.
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geodesic System.Nullable<System.Boolean>
Applicable when the spatial reference of the center point is either set to Web Mercator (wkid: 3857) or geographic/geodesic (wkid: 4326).
default false
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hasM System.Nullable<System.Boolean>
Indicates if the geometry has M values.
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hasZ System.Nullable<System.Boolean>
Indicates if the geometry has z-values (elevation).
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isSelfIntersecting System.Nullable<System.Boolean>
Checks to see if polygon rings cross each other and indicates if the polygon is self-intersecting, which means the ring of the polygon crosses itself.
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numberOfPoints System.Nullable<System.Int32>
This value defines the number of points along the curve of the circle.
default 60
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radiusUnit System.Nullable<RadiusUnit>
Unit of the radius.
default meters
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rings System.Collections.Generic.IReadOnlyList<MapPath>
An array of rings.
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spatialReference SpatialReference
The spatial reference of the geometry.
default WGS84 (wkid: 4326)
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Properties
Circle.Center Property
The center point of the circle.
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public dymaptic.GeoBlazor.Core.Components.Geometries.Point? Center { get; set; }
Property Value
Circle.Geodesic Property
Applicable when the spatial reference of the center point is either set to Web
Mercator (wkid: 3857) or geographic/geodesic (wkid: 4326).
default false
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public System.Nullable<bool> Geodesic { get; set; }
Property Value
System.Nullable<System.Boolean>
Circle.NumberOfPoints Property
This value defines the number of points along the curve of the circle.
default 60
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public System.Nullable<int> NumberOfPoints { get; set; }
Property Value
Circle.Radius Property
The radius of the circle.
default 1000
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public System.Nullable<double> Radius { get; set; }
Property Value
System.Nullable<System.Double>
Circle.RadiusUnit Property
Unit of the radius.
default “meters”
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public System.Nullable<dymaptic.GeoBlazor.Core.Enums.RadiusUnit> RadiusUnit { get; set; }
Property Value
Methods
Circle.GetGeodesic() Method
Asynchronously retrieve the current value of the Geodesic property.
public System.Threading.Tasks.Task<System.Nullable<bool>> GetGeodesic();
Returns
System.Threading.Tasks.Task<System.Nullable<System.Boolean>>
Circle.GetRadiusUnit() Method
Asynchronously retrieve the current value of the RadiusUnit property.
public System.Threading.Tasks.Task<System.Nullable<dymaptic.GeoBlazor.Core.Enums.RadiusUnit>> GetRadiusUnit();
Returns
System.Threading.Tasks.Task<System.Nullable<RadiusUnit>>
Circle.SetGeodesic(Nullable) Method
Asynchronously set the value of the Geodesic property after render.
public System.Threading.Tasks.Task SetGeodesic(System.Nullable<bool> value);
Parameters
value System.Nullable<System.Boolean>
The value to set.
Returns
Circle.SetRadiusUnit(Nullable) Method
Asynchronously set the value of the RadiusUnit property after render.
public System.Threading.Tasks.Task SetRadiusUnit(System.Nullable<dymaptic.GeoBlazor.Core.Enums.RadiusUnit> value);
Parameters
value System.Nullable<RadiusUnit>
The value to set.