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[ChaoM <>]

Hi Laurent: 
     
     Thank you for your reply~My date are not degenerated! I do some
experiments to test time costing.I found the converting time of the OFF file
to Nef Polyhedron costs too much time.
     I use the "Exact predicates inexact constructions" as my kernel, I try
to use the "Gmpz" to replace it ,but found it cost more time. So my problem
is how to improve efficiency of turning OFF file to Nef Polyhedron?

  Thank you very much !


Number of Model Total triangles Total vertex    Time of Poly to OFF(seconds)
OFF to Nef(seconds)     Union(seconds)  Nef toPoly(seconds)
2       1296    652     0.14    311.33  16.06   0.468
3       1944    978     0.156   424.72  35.42   1.047

 




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