Forums
Forums >> Revit Building >> Technical Support >> Subregion changes topo's elevation?
|
|
active
Joined: Sun, Dec 11, 2011
7 Posts No Rating |
When I try to create a subregion to make a road, the subregion changes the elevations of my topo... my previous subregions did not modify the elevations but all of a sudden it is.
|
This user is offline |
|
![](images/spacer.gif) |
|
active
![itsmyalterego Avatar](user_avatar/109615.jpg)
Joined: Thu, May 28, 2009
829 Posts
![4 Stars: 16 Votes](/images/stars_4.gif) |
subregions shouldn't do that, no...
Any details on what's happening? In what way is the elevation of the topo changing? For example, is it raising up or dropping by a uniform distance? If you edit your toposurface... are the heights of the points where they should be? Did you make the toposurface from an imported civil drawing? and finally, have you moved the topo surface up or down in an elevation view, lately?
If things get super-glitchy, sometimes you can just copy/paste a new toposurface, and rehost trees/etc.
|
This user is offline |
|
![](images/spacer.gif) |
active
Joined: Sun, Dec 11, 2011
7 Posts No Rating |
The points are all the same. What I have is a pretty steep drop off where the elevation has about a 12' difference-- and at the top where I want my road to be, it is completely flat. When I create the subregion on the flat surface just by the drop off, the edges of that 'drop off' get jagged and make triangular valleys in the topo... very aggravating! for now i just made the road as a floor but it doesnt have the same effect.
|
This user is offline |
|
![](images/spacer.gif) |
active
![itsmyalterego Avatar](user_avatar/109615.jpg)
Joined: Thu, May 28, 2009
829 Posts
![4 Stars: 16 Votes](/images/stars_4.gif) |
and you're sure you're using Subregions, and not Split Surface?
Split surface would create new points along the split edge--resulting in new triangulation. That's my only guess, I'm afraid.
|
This user is offline |
|
![](images/spacer.gif) |
active
Joined: Sun, Dec 11, 2011
7 Posts No Rating |
I'm positive, I made sure I was in subregion. :/ thanks for your help, the "floor" will have to do.
|
This user is offline |
|
![](images/spacer.gif) |
active
Joined: Wed, Oct 9, 2013
1 Posts No Rating |
I have the exact same problem right now and it's very aggravating like you said. Did you ever find a solution to the problem or no?
|
This user is offline |
|
![](images/spacer.gif) |
site moderator|||
Joined: Tue, May 16, 2006
13079 Posts
![3.5 Stars: 391 Votes](/images/stars_3.5.gif) |
Contour changes don't really mean topography change! Remember, Revit creates the topography from known points that you supply. If you add another point, Revit will change to Reflect that. Which topography is right? Your points are right and that's the only reference that is important.
|
This user is offline |
|
![](images/spacer.gif) |
active
Joined: Wed, Jan 6, 2010
99 Posts
![5 Stars: 3 Votes](/images/stars_5.gif) |
I have a similar problem. When I have the topo by itself everything looks fine. When I add a subregion it looks jagged and incorrect. Oh revit how I love/hate you...
|
This user is offline |
View Website
|
![](images/spacer.gif) |
active
Joined: Wed, Jan 6, 2010
99 Posts
![5 Stars: 3 Votes](/images/stars_5.gif) |
After I posted this naturally I figured it out. When you place a subregion on a custom made topography like I did it makes the topo surface more specific with calculating the surface between points. I had to add more detailed points for the topography to look properly. Not sure why subregions cause this, but this is how I fixed my problem.
-Erik
|
This user is offline |
View Website
|
![](images/spacer.gif) |
![](images/spacer.gif) |
Similar Threads |
Topo & Subregion issue |
Community >> Newbies
|
Mon, Sep 1, 2014 at 6:27:00 PM
|
2
|
Dang Topo Subregion! |
Community >> Newbies
|
Wed, Jul 11, 2012 at 2:02:54 AM
|
5
|
Subregion Line Weight |
Revit Building >> Technical Support
|
Tue, Oct 2, 2007 at 7:50:14 AM
|
2
|
Unweildy subregion |
Revit Building >> Technical Support
|
Tue, Mar 28, 2006 at 4:19:07 PM
|
2
|
Topo Subregions |
Revit Building >> Tips & Tricks
|
Wed, Jun 17, 2009 at 3:14:27 PM
|
5
|
![](images/spacer.gif) |
|
Site Stats
Members: | 2022340 | Objects: | 22974 | Forum Posts: | 152200 | Job Listings: | 3 |
|