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gera525
Posts: 14
Registered: ‎02-10-2005
Message 1 of 3 (60 Views)

Model terrain and breaklines

60 Views, 2 Replies
02-10-2005 02:53 PM
Do you always need to draw breaklines around the points to model a terrain? I've tryed just associating a boundary and it doesn't terrain the model.
*James Wedding
Message 2 of 3 (60 Views)

Re: Model terrain and breaklines

02-10-2005 02:56 PM in reply to: gera525
No, but you do need to make a point group and add that group to the surface before it will do much. -- James Wedding, P.E. Technology Manager & Associate Jones & Boyd, Inc. Dallas, TX XP/2 on P4-3.4/1G LDT2005SP1 & C3D2005SP1
*Mike Norton
Message 3 of 3 (60 Views)

Re: Model terrain and breaklines

02-11-2005 07:25 AM in reply to: gera525
There are basically three types of breaklines: 1) polylines - specifically, 3D polylines 2) 3D lines - TINs are a good example 3) proximity polylines - 2D polylines but there must be points (from the point database) in proximity to the vertices of the selected polyline included as part of the surface definition. Does anybody have a clue what distance constitutes proximity? "gera525" wrote in message news:5673613.1108076058934.JavaMail.jive@jiveforum1.autodesk.com... > Do you always need to draw breaklines around the points to model a > terrain? I've tryed just associating a boundary and it doesn't terrain > the model.

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