api:dk11:activex:tatukgis_xdk11.itgis_viewerwnd.rotationangle
ITGIS_ViewerWnd.RotationAngle property
DK11 for ActiveX | TatukGIS_XDK11.ITGIS_ViewerWnd.RotationAngle | Methods | Properties
Angle of viewer rotation in radians.
Available also on: Delphi FMX | .NET WinForms | Java.
Syntax
// C# public Double RotationAngle { get {} set {} }
' VisualBasic Public Property RotationAngle As Double Get End Get Set(ByVal value As Double) End Set End Property
// Oxygene public property RotationAngle : Double read read;
Value
| Type |
|---|
| double Double |
Remarks
If a map is rotated, remember that rotation is treated as projection, so coordinates are transformable. If map will be rotated, the using RestrictedDrag is not recommended.
See also RotationPoint and TGIS_Layer.Unproject.
Example
This is a simple code how to rotate a map. Suppose we have a GIS object of TGIS_ViewerWnd class.
2020/05/22 21:51