22. The article of manufacture of claim 21 , further comprising: identifying a shape; determining whether the shape corresponds to at least one track in multiple recognized or legal track patterns; and identifying the shape as a non-conforming shape when the shape is determined not to correspond to any tracks in the multiple recognized or legal track patterns.
23. The article of manufacture of claim 22 , the process further comprising: identifying a first shape in the region; determining whether the first shape changes the non-conforming shape into a conforming shape that corresponds to the at least one track in the multiple recognized or legal track patterns; and determining whether to flag the non-conforming shape as a violation based at least in part upon a result of determining whether the first shape changes the non-conforming shape into the conforming shape.