rows and columns

[Drew]

I am looking for information on rows and columns used within the hull assitant.  I am a new(learning) user of Orca3d and can not find an explaination of the use of rows and columns. Can someone refer me an explaintion of their use?  Why does changing the # of rows and colums change the shape of a hull? What are the pluses and minuses of using more or less rows and columns?
Thanks for any help?

[ndar]

hi drew,
and i'll be happy to review this topic with you, it will be easiest if we organize an internet conference.
We are the master resellers for the EMEA region, our office is in France.  Which time zone are you located in ?
nick (ndar)

[horumbou]

the row and columns...just means U and V direction's control points and it also add isocurve
here are some rules of these...

add control points will change the original hull
add knots will not change on it
remove both will change original hull

and less is more,do not put so many control points on ur hull,it will let u hard to fairing...
if the shape's curvature changes very quickly,here needs more isocurve...

example:
middle part of the hull doesn't need too more control points(so it doesn't need too more isocurve) 
some times the bow shape need more control points(maybe we add a Bulbous bow)
so u will add more control points near here to form the shape(use insert knots..to add isocurve,u v direction both)

try it