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Forums >> Revit Building >> Technical Support >> Edit Topo Boundries
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Joined: Sat, Oct 27, 2007
6 Posts
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Once a toposurface is created how do you edit the outside boundries. Each time I pick the finished topo surface and then edit, rather than getting the option of adjusting the perimeter lines, I only see the option of adjusting the grade points for both interior and perimeter points.
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Joined: Tue, Apr 12, 2005
1310 Posts
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Move the points on the perimeter to where you want them in edit mode.
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Joined: Sat, Oct 27, 2007
6 Posts
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Actually I did exactly that using the boundry points filter, But then later when I tried to do a split surface on the revised-initial toposurface I could not save it. I would have thought that some how in an edit mode of some sort, that you could bring up the original sketch mode lines and edit them to create a revised surface. Am I missing something?
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Joined: Tue, May 16, 2006
13079 Posts
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I don't think you are missing something unless you know something else. I have never created a topo using a sketch command so I don't know how you can modify the "sketch". You create a topo from elevation points or from an import but no sketching. In your case, you did right by modifying the points.
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Joined: Sat, Oct 27, 2007
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I didn't explain the situation adequetly. I first created a project site topo surface from an Acad file. (that worked perfectly) I then created a split surface within the topo surface for the parking lot area and that also worked perfectly. The parking lot perimeter is rather complex, but none the less I got a good topo surface that I can now adjust to meet the design grades. The problem comes in that I want to change the foot print of the parking lot (a planter needs to fill in one of the parking slots,) so I need to reconfigure the boundry between "site toposurface" and the "parking lot split surface." I tried editing each of the individual toposurfaces, but the boundries don't necessarily stay coinident.
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Joined: Tue, May 16, 2006
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Messing with split surfaces is hard at first. I can point you to some possibilities.... When you splt a surface, you get a seperate surface - in effect, two topo's. And now you can't move the edge.... Solution.... split the area off of part 'A' that you now want to be part of 'B' - and you have topo 'C'.... but now you can join B and C ... You are just transferring this area....
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Joined: Sat, Oct 27, 2007
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Good idea. I ended up doing another split surface as required by the parking lot design and then merging the two surfaces together. It seems to work perfectly, but boy do I think autodesk is missing the boat on the entire site work issue. Do they think architects design buildings to set in thin air. With just a few simple routines ( I can figure out how to do it manually) they could make this task very easy. So much for the whinning. Thanks for your help`!
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