IGeoDatabaseBridge2.GetLineOfSight Method

Returns a line-of-site indicator interpolated from the TIN based on an input polyline.

[Visual Basic .NET]
Public Sub GetLineOfSight ( _
    ByVal pSurface As ISurface, _
    ByVal pObserver As IPoint, _
    ByVal pTarget As IPoint, _
    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 (
    ISurface pSurface,
    IPoint pObserver,
    IPoint pTarget,
    ref IPoint ppObstruction,
    ref IPolyline ppVisibleLines,
    ref IPolyline ppInvisibleLines,
    ref bool pbIsVisible,
    ref bool bApplyCurvature,
    ref bool bApplyRefraction,
    ref object pRefractionFactor
);

[C++]
HRESULT GetLineOfSight(
  ISurface* pSurface,
  IPoint* pObserver,
  IPoint* pTarget,
  IPoint** ppObstruction,
  IPolyline** ppVisibleLines,
  IPolyline** ppInvisibleLines,
  Boolean* pbIsVisible,
  VARIANT_BOOL bApplyCurvature,
  VARIANT_BOOL bApplyRefraction,
  Variant* pRefractionFactor
);

[C++]
Parameters
pSurface [in]

  pSurface is a parameter of type ISurface*
pObserver [in]

  pObserver is a parameter of type IPoint*
pTarget [in]

  pTarget is a parameter of type IPoint*
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

See Also