It is not a surface or solid but Mesh. Join Paul F. Aubin for an in-depth discussion in this video Topography settings and graphics, part of Revit: Tips, Tricks, and Troubleshooting Revit is expecting contour lines in the imported DWG (with z elevations). Click the clip to change its state to clipped or unclipped, depending on how you want to move the project base point. Nothing appears to change if I change the Surface Pattern colour in the 'Override Graphics in View' menu. Being an MEP guy, topography is one of those things in Revit I don’t deal with too often but the general concept of working with topography isn’t tremendously difficult. Can't Overide Surface Colour of Topography. Revit LT users don’t have access to this feature. Topography geometry is different from most of others in Revit. Secondly, how do you edit topography in Revit? Revit offers us three ways to do that: selecting points and specifying its elevations (point insertion), importing data from a … An Architect wants to print the Toposurface around a house that has been designed in Revit. That's why it behaves a bit weird in Revit.(eg. In the example below, we populate the section-perspective with default Revit … STEP 2: Create the Revit Toposurface. Civil engineers typically use a 3D CAD program to model topography for a site. Click Insert tab Link panel (Link Topography). Now the mesh (topography) has been saved as a GDL object. I found the following post which mentions: 3. The default Revit origins are all at the same spot. Drag the project base point to the desired location. Once created, take a look at the topo in elevation & see if it's where you expect it to be. Section Graphics: Section cut material : Sets the material that displays in a section view. I show how you can do it using a Floor in this blog post. The house is printed independently to the topography and then glued to the topography later. You’ll still need the point cloud in Revit to model buildings and street furniture, etc. From the pop-up window, download the ‘GeoTIFF 1 Arc-second’. Imported Mesh to Revit Topo: Dynamo script to convert an imported topo mesh (from say, Sketchup via FormIt) into a real Revit toposurface. I do. Figure 12: Divided node and topo point locations. I can’t count the number of times I’ve heard: “Revit is great for modeling, but we go back to CAD for detailing”. On the Model Objects tab, change settings under Topography. This file will be used to create your topography in Dynamo and Revit. If you want to show people in your views without having to use Photoshop, your best bet is to create or download custom families. Once back in Revit use Link CAD to bring in your contour DWG, and generate a new topo using Toposurface > Create from Import > Select Import Instance. Coordinate work on a project using Civil 3D and Revit with BIM 360 and linked topography. Change to a 3D side view and move the nodes vertically, in elevation, to the divided node. PDF of slide presentation by Tobias. Select the updated topography, and click Reload. First open Dynamo from Revit and then the script. Linked topography files are listed here. You have quite a lot of flexibility in how you organize detailing. Creating CSV file with the Topography Points. Saving Topography to GDL Object. Can automate this with access the Revit API Add-in/ app: Topo Align . 5. This is the agreed location of the shared site origin. This value controls the poche depth for all topography elements in your project. There are a few workarounds, such as modeling the "Topo" over the building as Floor, Roof, or Mass. In these images the topo low points are at -2000 and the high points are are +1000, and see the view range settings. A different option is to create a separate file for the Topo over the building. Finish the topo and a section thru your topo should look similar to Figure 13. It should be correct. Topo Align has three features, Align to Element, Points from Line, and Reset Region, all of which edit Topography. Automatically generate a toposurface based on 3D contour data imported from DWG, DXF, or DGN files. Under the “Modify|Edit Surface” menu, select “Create from Import”. Save the CSV file and import it to REVIT to create the toposurface. The results were better than I … Can't attach AC families at) It's better to be converted to make use of it in Dynamo. Silhouette option. Before you create topography in Revit, make sure that your Survey Point is set to a known elevation on your topography. Once the .DWG file has been imported into Revit, navigate to the “Massing & Site” Tab. Editable Topography from ARCHICAD to Revit Steps. There is no tool in Revit that will allow you to create a "tunnel" through Topography. In this example, we will use a 2D CAD topo file, although you might sometimes receive 3D files. With your section view active, in Properties Palette, click edit on … Edit your Topo, and tell it to be based off that Level. Open … Under the dropdown menu, choose “Select Import Instance” and select the toposurface .dwg import in … The problem is that Revit detailing tools are often misunderstood. Topography and Revit... Usually, these two terms together give Revit users major agita. In this surveyor DWG file, the origin (0,0) is located at the corner of the property lines. I'm tearing my hair out here, trying to figure out how I can edit my topo in height above survey point. You can see about Revit line weight control in more details here: Controlling plot thickness in Revit. This the sort of thing people are referring to when they say that Revit needs better topo tools. Select the desired topography, and click Link. Back in July, I posted about the Topo Align app, which is a great little app that you can download from the Autodesk app store, for only $1.99. Revit Topo to SAT: Dynamo script to convert a Revit Toposurface into a SAT so that it can be imported into FormIt. The default trees and entourage characters in Revit are not pretty. If necessary you can edit the topo points in Revit too. Step 2: Creating your topography in Dynamo and Revit. So either add the contour lines to the dwg before you import it, or try to get the existing points exported to a comma separated .txt or .csv file with (x, y, z) information for each point, and then use the points file to create the toposurface in Revit. Topography, on the other hand, is one of the only native Revit elements that will easily create a “naturalistic” shape. 4- Go Back To CAD For Detailing. Make Hardscape Follow Topo. In the past, I have worked with water on Topo mainly only as a Subregion, but how well would it work to create a separate Topo for the water itself? Go to an elevation view, & see where your project landed in elevation. In the Manage Links dialog, select the Topography tab. It seems like no matter what I do it wants to report elevation in relation to the project based point. Knowledge Network > Support & Learning > Revit Products > Revit Products Community > Revit Architecture Forum > Edit topography boundary (extend) Community Forums; Revit Architecture Forum The linked toposurface file in the Revit model is updated to reflect the changes published to BIM 360. From the site view, import your project (.rvt) file into the topo & align it to match your topo. On exiting edit mode for topo or subregion you can use the reference lines to set-out. I feel you. Is this immediate or there is any trick to it? Labels: auto click, autoclicker, creation, documentation, fast topo, revit tip, revit topography, revit tutorial, topo, topography Way back in 2011 I posted a tutorial showing how you can use a simple little tool to streamline your topography creation. Can some. After actually checking in Revit (lol), it seems what I said earlier is both correct and incorrect, you do need to adjust the view range and you also get to see cut topo surface patterns in plan views. Revit analyzes the data and places a series of elevation points along the contour lines. Create your topo, using the above imported dwg. In the Link Topography dialog, navigate to the topography. Hello, I've been looking around on how to edit and extend boundaries of topography surface. Revit does not export the topography as a solid to STL format so AutoCAD is used to transform the Topography into a Solid object that can be exported to STL. It’s a very quick and easy workflow. It's more like imitating than converting. When we receive their CAD file for a site, we have to import it into Revit to create a topography surface that we can then edit. When importing contour data, follow these requirements: The imported CAD file must contain 3D information. If you work on section view, there is one thing that you can do to make silhouette effect quickly. It has three tools that all modify Topography, including the main tool, Align to Element, which aligns Topo to an edge or set of faces (like a Shape-Edited Floor). Ugh.. The workflow is pretty simple: Add Site location in Sketchup, create 3D topo then export to DWG, finally import and convert it into Revit topography. When it comes to topography and terrain modeling, Revit is no longer intuitive and practical. Revit Building Pads, Topography and phases November 26, 2012 May 7, 2017 Luke Johnson Basically, if you have one site toposurface, and you cut it with pads in different phases, then an ‘outline’ around every single pad appears in the creation phase of the toposurface (they affect the topo backwards in time). Once we completed the topographical study, we will have created a new database about our topography, which we must somehow import into our model. In the CAD file to import, each contour line must be positioned at the correct "Z" value. Let me tell you how to fix this: Revit 2010 has included handy new hidden elements in elevations called project base point and survey point in the form of a little circle and a little triangle. To modify the topo, simply change to a top down view in 3D and edit the topo and place points at each divided node. 1. 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