Programming with QuickTime VR

Node Location Atom Structure

A node location atom describes the type of a node and its location. The structure of a node location atom is defined by the VRNodeLocationAtom data type:



 
typedef struct VRNodeLocationAtom {

    UInt16                              majorVersion;

    UInt16                              minorVersion;

    OSType                              nodeType;

    UInt32                              locationFlags;

    UInt32                              locationData;

    UInt32                              reserved1;

    UInt32                              reserved2;

} VRNodeLocationAtom, *VRNodeLocationAtomPtr;

majorVersion: The major version number of the file format.
minorVersion: The minor version number of the file format.
nodeType: The node type. See handlink "QuickTime VR Manager/Node Types" for a description of the available node types. Currently, this field should contain either kQTVRPanoramaType or kQTVRObjectType .
locationFlags: The location flags. Currently, this field must contain the value kQTVRSameFile , indicating that the node is to be found in the current file.
locationData: The location of the node data. When the locationFlags field is kQTVRSameFile , this field should be 0. The nodes are found in the file in the same order that they are found in the node list.
reserved1: Reserved. This field must be 0.
reserved2: Reserved. This field must be 0.