<div>Hi friends,</div> <div> I have got the following two questions :</div> <div> </div> <div>1)Suppose I have got a tube two ends of it are arbitarily cut.I want to extract only those two ends.How can I do that?</div> <div> </div> <div>2)I have got a point on the tube and have calculated the normal at that point.Now I want to extend a line along the normal so that it cuts the other end of the tube and I want to get that point of intersection.</div> <div> </div> <div>regards,</div> <div> </div> <div>Sawsan.</div> <div> </div> <div> </div> <div> </div> <div> </div> <div> </div><p> 
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