This document is archived and information here might be outdated.  Recommended version.


IDynamicSurface2.GetLineOfSight Method (ArcObjects .NET 10.8 SDK)
ArcObjects Help for .NET developers > ArcObjects Help for .NET developers > ArcObjects namespaces > GeodatabaseExtensions > ESRI.ArcGIS.GeoDatabaseExtensions > Interfaces > ID > IDynamicSurface2 Interface > IDynamicSurface2.GetLineOfSight Method
ArcGIS Developer Help

IDynamicSurface2.GetLineOfSight Method

Returns a line-of-sight.

[Visual Basic .NET]
Public Sub GetLineOfSight ( _
    ByVal pObserver As IPoint, _
    ByVal pTarget As IPoint, _
    ByVal Resolution As Double, _
    ByVal pTrackCancel As ITrackCancel, _
    ByRef ppObstruction As IPoint, _
    ByRef ppVisibleLines As IPolyline, _
    ByRef ppInvisibleLines As IPolyline, _
    ByRef pbIsVisible As Boolean, _
    ByVal bApplyCurvature As Boolean, _
    ByVal bApplyRefraction As Boolean, _
    [ByRef pRefractionFactor As Object] _
)
[C#]
public void GetLineOfSight (
    IPoint pObserver,
    IPoint pTarget,
    double Resolution,
    ITrackCancel pTrackCancel,
    ref IPoint ppObstruction,
    ref IPolyline ppVisibleLines,
    ref IPolyline ppInvisibleLines,
    ref bool pbIsVisible,
    ref bool bApplyCurvature,
    ref bool bApplyRefraction,
    ref object pRefractionFactor
);
[C++]
HRESULT GetLineOfSight(
  IPoint* pObserver,
  IPoint* pTarget,
  double Resolution,
  ITrackCancel* pTrackCancel,
  IPoint** ppObstruction,
  IPolyline** ppVisibleLines,
  IPolyline** ppInvisibleLines,
  Boolean* pbIsVisible,
  VARIANT_BOOL bApplyCurvature,
  VARIANT_BOOL bApplyRefraction,
  Variant* pRefractionFactor
);
[C++]
Parameters
pObserver [in]

pObserver is a parameter of type IPoint* pTarget [in]
pTarget is a parameter of type IPoint* Resolution [in]
Resolution is a parameter of type double pTrackCancel [in]
pTrackCancel is a parameter of type ITrackCancel* ppObstruction [out]
ppObstruction is a parameter of type IPoint** ppVisibleLines [out]
ppVisibleLines is a parameter of type IPolyline** ppInvisibleLines [out]
ppInvisibleLines is a parameter of type IPolyline** pbIsVisible [out]
pbIsVisible is a parameter of type bool* bApplyCurvature [in]
bApplyCurvature is a parameter of type bool bApplyRefraction [in]
bApplyRefraction is a parameter of type bool pRefractionFactor [in, optional]
pRefractionFactor is a parameter of type VARIANT*

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

See Also

IDynamicSurface2 Interface