int id
int originNode
int endNode
int boundedFaceL
int boundedFaceR
int nextEdgeL
int prevEdgeL
int nextEdgeR
int prevEdgeR
int traceCount
Point2DD[] coords
int id
int boundaryEdge
int[] islandEdges
int[] islandNodes
Point2DD[] mbr
int id
int startEdge
int containFace
Point2DD coord
double x
double y
TopoMap t