Shots With No Tie In

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This error indicates that one or more shots do not tie into the rest of the cave. Every shot in a cave must ultimately connect to other shots that connect back to the origin or a fixed survey station. If this does not happen, the shot is unresolved and the program doesn't know what to do with it. For example, here is a simple survey where one of the shots doesn't tie to the rest of the cave:


  A1àA2   A2àA3  A4àA5


Here, the shot A4 to A5 doesn't connect to the rest of the cave. Unresolved shots are generally caused by omitting shots from the data. They can also be caused by mislabeled stations in the cave.