Description Retrieves the Z coordinate of a specified ray. Depending on the number of rays traced, it may be necessary to dimension ray index and ray counter variables as data type Huge_ instead of Long. Please see Multi-threaded Raytracing for more information.
Syntax z = GetRayZ ( id )
Parameters z (Double) Returns the Z coordinate component of the specified ray.
id As Long (or Huge_) Identifier for the ray.
Remarks This function retrieves the Z coordinate (in global coordinates) of a specified ray. If there is a problem it toggles an error and returns a value of 0.
See Also Examples
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