checkInvariant close compressedVectorNode dump isOpen read read seek

bool isOpen ( ) Test whether CompressedVectorReader is still open for reading. Precondition: The associated ImageFile must be open. Exceptions: E57_ERROR_IMAGEFILE_NOT_OPEN E57_ERROR_INTERNAL All objects in undocumented state See also: SourceDestBufferNumericCreate.cpp example, CompressedVectorReader::close, CompressedVectorNode::reader