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Active Member
Posts: 9
Registered: ‎01-21-2013
Message 1 of 10 (793 Views)
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Intersection problem between building pad and toposurface

793 Views, 9 Replies
01-21-2013 04:27 PM

Hello! I couldn't find an answer to my problem; if there is one, I apologize in advance.

 

The problem is this: I have a platform that represents the entrance to the terrain in which the house is located. This platform (created with a building pad) is adjacent to a ramp (built also with the building pad). However, an infinitely thin slice of terrain remains as both building pads intersect with the toposurface. Here is a screenshot:

 

Intersection problem

 

What can I do to prevent this? The two objects touch each other, and the revit programing prevents me from drawing one inside another (as you know)...

*Expert Elite*
Alfredo_Medina
Posts: 2,799
Registered: ‎06-11-2009
Message 2 of 10 (762 Views)

Re: Intersection problem between building pad and toposurface

01-26-2013 07:43 AM in reply to: J.Matos

I would suggest to edit the boundary of one of the pads using "pick lines" and using the edge of the adjacent pad as a reference. That should resultin two pads sharing the same edge but without any gap in between.

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Planta1 Revit Online Consulting | info@planta1.com | my Twitter | The Planta1 Blog
Active Member
Posts: 9
Registered: ‎01-21-2013
Message 3 of 10 (757 Views)

Re: Intersection problem between building pad and toposurface

01-26-2013 11:34 AM in reply to: Alfredo_Medina

Hi! I tried to do that, but unfortunately the problem remains. Strangely, as you can see from the attached image, the problem only occurs when the union is convex, and not concave.

 

Junction problems

*Expert Elite*
Alfredo_Medina
Posts: 2,799
Registered: ‎06-11-2009
Message 4 of 10 (748 Views)

Re: Intersection problem between building pad and toposurface

01-26-2013 12:31 PM in reply to: J.Matos

This can be done by other means, such as a subregion on the site, a floor with modified points, or a ramp.

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Planta1 Revit Online Consulting | info@planta1.com | my Twitter | The Planta1 Blog
Active Member
Posts: 9
Registered: ‎01-21-2013
Message 5 of 10 (742 Views)

Re: Intersection problem between building pad and toposurface

01-26-2013 12:36 PM in reply to: Alfredo_Medina

If it's not too much trouble, could you elaborate about one (or more) of the options you mentioned? I'm still beginning to learn, and I'm not sure how to proceed from here.

*Expert Elite*
Alfredo_Medina
Posts: 2,799
Registered: ‎06-11-2009
Message 6 of 10 (731 Views)

Re: Intersection problem between building pad and toposurface

01-26-2013 03:59 PM in reply to: J.Matos

There is an example about using subregions, in Wikihelp at this link:

 

http://wikihelp.autodesk.com/Revit/enu/2013/Help/00001-Revit_He0/0135-Prelimin135/0170-Site_Des170/0...

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Planta1 Revit Online Consulting | info@planta1.com | my Twitter | The Planta1 Blog
Active Member
Posts: 9
Registered: ‎01-21-2013
Message 7 of 10 (702 Views)

Re: Intersection problem between building pad and toposurface

01-27-2013 07:35 PM in reply to: Alfredo_Medina

I appreciate all the sugestions you gave, and I've tried them all. But, alas, none of them are working...

Thanks for all the support, though!

Contributor
Posts: 23
Registered: ‎06-06-2012
Message 8 of 10 (687 Views)

Re: Intersection problem between building pad and toposurface

01-28-2013 01:50 AM in reply to: J.Matos

This is a known problem, other people have blogged about this in the past.

 

The solution instead of the slope arrow having a negative value, it must be at least 0.  So change the offset for the pad to the negative value, and have the slope go upwards from there.

 

Hopefully the attached images will explain clearer than my text.

 

 

Kevin Fielding
BIM Coordinator
AEW Architects
Manchester, UK

If my post solves your issue, please accept this as a solution and give me a thumbs up!
Active Member
Posts: 9
Registered: ‎01-21-2013
Message 9 of 10 (668 Views)

Re: Intersection problem between building pad and toposurface

01-28-2013 08:22 AM in reply to: kfielding

Thanks for your solution! It was simple, and solved my problem :smileyhappy:

Contributor
Posts: 11
Registered: ‎08-09-2012
Message 10 of 10 (435 Views)

Re: Intersection problem between building pad and toposurface

06-21-2013 05:21 AM in reply to: kfielding

Many thanks for this tip, I solved my problem of intersection between level -1 and ramp.

Bye

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