+ typedef _TVertex TVertex;
+ typedef std::vector< TVertex > TVertices;
+ typedef std::pair< TVertex, bool > TCollision;
+ typedef std::vector< TCollision > TCollisionsRow;
+ typedef std::vector< TCollisionsRow > TCollisions;
+
+ typedef itk::Point< double, TVertex::Dimension > TPoint;
+ typedef std::vector< TPoint > TPoints;
+ typedef std::multimap< double, TVertex > TNodeQueue;