Construct a new ProjectPosition object with the specified East/West offset, North/South offset, elevation offset and angle of rotation 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
Syntax
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Parameters
- ew
-  Type:  System Double  
 East/West offset
- ns
-  Type:  System Double  
 North/South offset
- elevation
-  Type:  System Double  
 Elevation offset
- angle
-  Type:  System Double  
 Rotation from true north, in radians.
Remarks
 The angle can be in the range of +PI to -PI