Constructor Viewpoint

Viewpoint(Geometry)

Initializes a new instance of the Viewpoint class with a bounding extent.

Declaration

public Viewpoint(Geometry targetGeometry)

Parameters

Type	Name	Description
Geometry	targetGeometry	The geometry to use as the visible area.

Remarks

The spatial reference of the target geometry cannot be null.

Exceptions

Type	Condition
ArgumentNullException	targetGeometry is null.
ArgumentException	targetGeometry lacks a spatial reference.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.8
.NET	100.13 - 300.0
.NET Windows	100.13 - 300.0
.NET Android	200.0 - 300.0
.NET iOS	200.0 - 300.0
.NET Framework	100.0 - 200.8
Xamarin.Android	100.0 - 100.15
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.8

Relevant samples

Add ENC exchange set: Display nautical charts per the ENC specification.

Add graphics with symbols: Use a symbol style to display a graphic on a graphics overlay.

Analyze hotspots: Use a geoprocessing service and a set of features to identify statistically significant hot spots and cold spots.

Buffer list: Generate multiple individual buffers or a single unioned buffer around multiple points.

Viewpoint(Geometry, Camera?)

Initializes a new instance of the Viewpoint class using a bounding extent and a Camera.

Declaration

public Viewpoint(Geometry targetGeometry, Camera? camera)

Parameters

Type	Name	Description
Geometry	targetGeometry	The geometry to use as the visible area.
Camera	camera	A Camera object that defines the observer for the scene.

Remarks

The spatial reference of the target geometry cannot be null.

Exceptions

Type	Condition
ArgumentNullException	targetGeometry is null.
ArgumentException	targetGeometry lacks a spatial reference.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.8
.NET	100.13 - 300.0
.NET Windows	100.13 - 300.0
.NET Android	200.0 - 300.0
.NET iOS	200.0 - 300.0
.NET Framework	100.0 - 200.8
Xamarin.Android	100.0 - 100.15
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.8

Relevant samples

Edit KML ground overlay: Edit the values of a KML ground overlay.

Feature layer rendering mode (scene): Render features in a scene statically or dynamically by setting the feature layer rendering mode.

List KML contents: List the contents of a KML file.

Viewpoint(Geometry, double)

Initializes a new instance of the Viewpoint class with a bounding extent and rotation.

Declaration

public Viewpoint(Geometry targetGeometry, double rotation)

Parameters

Type	Name	Description
Geometry	targetGeometry	The geometry to use as the visible area.
double	rotation	The rotation angle in degrees between 0 and 360.

Remarks

The spatial reference of the target geometry cannot be null.

Exceptions

Type	Condition
ArgumentNullException	targetGeometry is null.
ArgumentException	targetGeometry lacks a spatial reference.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.8
.NET	100.13 - 300.0
.NET Windows	100.13 - 300.0
.NET Android	200.0 - 300.0
.NET iOS	200.0 - 300.0
.NET Framework	100.0 - 200.8
Xamarin.Android	100.0 - 100.15
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.8

Viewpoint(Geometry, double, Camera?)

Initializes a new instance of the Viewpoint class with a bounding extent, rotation, and Camera.

Declaration

public Viewpoint(Geometry targetGeometry, double rotation, Camera? camera)

Parameters

Type	Name	Description
Geometry	targetGeometry	The geometry to use as the visible area.
double	rotation	The rotation angle in degrees between 0 and 360.
Camera	camera	A Camera object that defines the observer for the scene.

Remarks

The spatial reference of the target geometry cannot be null.

Exceptions

Type	Condition
ArgumentNullException	targetGeometry is null.
ArgumentException	targetGeometry lacks a spatial reference.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.8
.NET	100.13 - 300.0
.NET Windows	100.13 - 300.0
.NET Android	200.0 - 300.0
.NET iOS	200.0 - 300.0
.NET Framework	100.0 - 200.8
Xamarin.Android	100.0 - 100.15
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.8

Viewpoint(double, double, double)

Initializes a new instance of the Viewpoint class with latitude, longitude, and scale.

Declaration

public Viewpoint(double latitude, double longitude, double scale)

Parameters

Type	Name	Description
double	latitude	The latitude coordinate for the viewpoint. Negative values are south of the equator.
double	longitude	The longitude coordinate for the viewpoint. Negative values are west of the prime meridian.
double	scale	Map scale, Ratio between the distance on the map and the corresponding distance on the ground.

Remarks

The spatial reference for the defined point is WGS84.

Exceptions

Type	Condition
ArgumentException	scale is NaN.
ArgumentOutOfRangeException	scale is 0 or negative.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.8
.NET	100.13 - 300.0
.NET Windows	100.13 - 300.0
.NET Android	200.0 - 300.0
.NET iOS	200.0 - 300.0
.NET Framework	100.0 - 200.8
Xamarin.Android	100.0 - 100.15
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.8

Relevant samples

Export tiles: Download tiles to a local tile cache file stored on the device.

Find service area: Find the service area within a network from a given point.

Manage bookmarks: Access and create bookmarks on a map.

Route around barriers: Find a route that reaches all stops without crossing any barriers.

Viewpoint(double, double, double, Camera?)

Initializes a new instance of the Viewpoint class with latitude, longitude, scale, and Camera.

Declaration

public Viewpoint(double latitude, double longitude, double scale, Camera? camera)

Parameters

Type	Name	Description
double	latitude	The latitude coordinate for the viewpoint. Negative values are south of the equator.
double	longitude	The longitude coordinate for the viewpoint. Negative values are west of the prime meridian.
double	scale	Map scale, Ratio between the distance on the map and the corresponding distance on the ground.
Camera	camera	A Camera object that defines the observer for the scene.

Remarks

The spatial reference for the defined point is WGS84.

Exceptions

Type	Condition
ArgumentException	scale is NaN.
ArgumentOutOfRangeException	scale is 0 or negative.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.8
.NET	100.13 - 300.0
.NET Windows	100.13 - 300.0
.NET Android	200.0 - 300.0
.NET iOS	200.0 - 300.0
.NET Framework	100.0 - 200.8
Xamarin.Android	100.0 - 100.15
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.8

Viewpoint(MapPoint, double)

Initializes a new instance of the Viewpoint class with center point and scale.

Declaration

public Viewpoint(MapPoint center, double scale)

Parameters

Type	Name	Description
MapPoint	center	The center of the visible area.
double	scale	Map Scale, Ratio between the distance on the map and the corresponding distance on the ground.

Remarks

The spatial reference of the center point cannot be null.

Exceptions

Type	Condition
ArgumentNullException	center is null.
ArgumentException	center lacks a spatial reference; or scale is NaN.
ArgumentOutOfRangeException	scale is 0 or negative.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.8
.NET	100.13 - 300.0
.NET Windows	100.13 - 300.0
.NET Android	200.0 - 300.0
.NET iOS	200.0 - 300.0
.NET Framework	100.0 - 200.8
Xamarin.Android	100.0 - 100.15
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.8

Relevant samples

Display KML network links: Display a file with a KML network link, including displaying any network link control messages at launch.

Display layer view state: Determine if a layer is currently being viewed.

Feature layer definition expression: Limit the features displayed on a map with a definition expression.

Feature layer query: Find features in a feature table which match an SQL query.

Viewpoint(MapPoint, double, Camera?)

Initializes a new instance of the Viewpoint class with center point, scale, and Camera.

Declaration

public Viewpoint(MapPoint center, double scale, Camera? camera)

Parameters

Type	Name	Description
MapPoint	center	The center of the visible area.
double	scale	Map Scale, Ratio between the distance on the map and the corresponding distance on the ground.
Camera	camera	A Camera object that defines the observer for the scene.

Remarks

The spatial reference of the center point cannot be null.

Exceptions

Type	Condition
ArgumentNullException	center is null.
ArgumentException	center lacks a spatial reference; or scale is NaN.
ArgumentOutOfRangeException	scale is 0 or negative.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.8
.NET	100.13 - 300.0
.NET Windows	100.13 - 300.0
.NET Android	200.0 - 300.0
.NET iOS	200.0 - 300.0
.NET Framework	100.0 - 200.8
Xamarin.Android	100.0 - 100.15
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.8

Viewpoint(MapPoint, double, double)

Initializes a new instance of the Viewpoint class with center point, scale and rotation.

Declaration

public Viewpoint(MapPoint center, double scale, double rotation)

Parameters

Type	Name	Description
MapPoint	center	The center of the visible area.
double	scale	Map Scale, Ratio between the distance on the map and the corresponding distance on the ground.
double	rotation	The rotation angle in degrees between 0 and 360.

Remarks

The spatial reference of the center point cannot be null.

Exceptions

Type	Condition
ArgumentNullException	center is null.
ArgumentException	center lacks a spatial reference; or scale is NaN.
ArgumentOutOfRangeException	scale is 0 or negative.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.8
.NET	100.13 - 300.0
.NET Windows	100.13 - 300.0
.NET Android	200.0 - 300.0
.NET iOS	200.0 - 300.0
.NET Framework	100.0 - 200.8
Xamarin.Android	100.0 - 100.15
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.8

Relevant samples

Feature layer rendering mode (map): Render features statically or dynamically by setting the feature layer rendering mode.

Viewpoint(MapPoint, double, double, Camera?)

Initializes a new instance of the Viewpoint class with center point, scale, rotation, and Camera.

Declaration

public Viewpoint(MapPoint center, double scale, double rotation, Camera? camera)

Parameters

Type	Name	Description
MapPoint	center	The center of the visible area.
double	scale	Map Scale, Ratio between the distance on the map and the corresponding distance on the ground.
double	rotation	The rotation angle in degrees between 0 and 360.
Camera	camera	A Camera object that defines the observer for the scene.

Remarks

The spatial reference of the center point cannot be null.

Exceptions

Type	Condition
ArgumentNullException	center is null.
ArgumentException	center lacks a spatial reference; or scale is NaN.
ArgumentOutOfRangeException	scale is 0 or negative.

Applies to

Platforms and versions

Target	Versions
.NET Standard 2.0	100.3 - 200.8
.NET	100.13 - 300.0
.NET Windows	100.13 - 300.0
.NET Android	200.0 - 300.0
.NET iOS	200.0 - 300.0
.NET Framework	100.0 - 200.8
Xamarin.Android	100.0 - 100.15
Xamarin.iOS	100.0 - 100.15
UWP	100.0 - 200.8