Initializes a viewshed visibility query for a specific viewshed. After this initialization, subsequent calls can be made to QueryPointVisibility to calculate the visibility of a selected position on a 3D viewshed (passed in this method’s ViewshedID parameter) from the observer viewpoint of the 3D Viewshed.
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JavaScript |
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StartViewshedVisibilityQuery( ViewshedID) |
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C# |
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void StartViewshedVisibilityQuery( string ViewshedID) |
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C++ |
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HRESULT StartViewshedVisibilityQuery( BSTR ViewshedID) |
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Parameters
ViewshedID
The ID of the required I3DViewshed65 object that defines the viewshed on which the analysis is being performed.
Exceptions
HRESULT can return any of the values listed in the HRESULT Return Values list.