Active Contributor
Posts: 31
Registered: ‎10-08-2003
Message 1 of 5 (58 Views)

58 Views, 4 Replies
12-06-2004 05:12 PM
think about the crossgrade between the centerline profile of an existing road and a profile running through the top surface of the same road at any given offset, say 12'. Again think about the cross-grade between those two profiles. If it is an existing roadway, chances are the cross-grade varies. Is there a way to project the varying crossgrade between those profiles further out to any given offset? I can build a surface of the 3D polys representing these two profiles, I also tried extending the TIN lines, but then they begin to cross and I don't know if that is representative of what it should be doing. Is there any other way to accomplish this?
*Joe Bouza
Message 2 of 5 (58 Views)

12-07-2004 12:57 PM in reply to: DannyCounts
Hi Danny, I think the best you can do for this type of condition is to locate transition points and draw 3dpoly lines to approximate the existing cross slope. Then you can extend thes 3dpoly lines to "extend" the existing condition. But, I you are widening the road why not use a constant, or more mathematical cross slope ? Joe "DannyCounts" wrote in message news:3073171.1102382002736.JavaMail.jive@jiveforum2.autodesk.com... > think about the crossgrade between the centerline profile of an existing > road and a profile running through the top surface of the same road at any > given offset, say 12'. Again think about the cross-grade between those two > profiles. If it is an existing roadway, chances are the cross-grade > varies. Is there a way to project the varying crossgrade between those > profiles further out to any given offset? I can build a surface of the 3D > polys representing these two profiles, I also tried extending the TIN > lines, but then they begin to cross and I don't know if that is > representative of what it should be doing. Is there any other way to > accomplish this?
*Don Reichle
Message 3 of 5 (58 Views)

12-07-2004 06:13 PM in reply to: DannyCounts
*Laurie Comerford
Message 4 of 5 (58 Views)

12-07-2004 09:16 PM in reply to: DannyCounts
*Karl Fuls
Message 5 of 5 (58 Views)

12-08-2004 03:16 AM in reply to: DannyCounts

You are not logged in.

Announcements
Are you familiar with the Autodesk Expert Elites? The Expert Elite program is made up of customers that help other customers by sharing knowledge and exemplifying an engaging style of collaboration. To learn more, please visit our Expert Elite website.