Revit topography from survey. The Revit 2024 site improvements are major.
Revit topography from survey 3', which will correspond to first floor finish elevation. I have a slight problem with this topography. Mar 7, 2012 · Base, survey points, level FFL and - most importantly - topo boundary points, are now all at 0 elevation. Let’s try again. Sep 4, 2024 · By levels i mean spot levels/spot elevations, not Revit levels. In most cases I get a more accurate surface. Elevation of Topo points: Revit Building >> Technical Support. Note importing a CSV of surveyed Topo points in cuz format but the resulting Topo is created reading those values not in the shared coordinate space and I'm not even sure in the model coordinate space but somewhere else. IF the Spot Elevation shown in your bottom screenshot is correct – AND you want the Toposurface Point shown in your top screenshot to read the exact same Elevation – AND they are the SAME units – then go to Elevation View, select the Toposurface AND the Spot Elevation’s “Elevation Origin” (e. View. Locate the Survey Point in an Elevation view. Browse content with related tags. then ,in Revit , Toposurface >Create from Import Revit. VertexPositions and then finally into Topography. cvs for use Nov 28, 2015 · Defect in Topo Surface - Revit not identifying points from cad drawing Nov 30, 2018 · 1. Mon, Nov 27, 2017 at 5:33:42 PM. Mar 21, 2014 · The point levels for Topo are based on the base Revit Level, not the Survey Point. I would recommend creating a separate site Revit file. Apr 22, 2019 · I'm using Revit 2019 currently and when I receive survey plans in PDF format, I would either save them as Image file or Import it into AutoCad (if the PDF source file is made from a drafting software) so I can either import or link it into Revit. Aug 31, 2017 · Instead, I moved my survey point away and imported a topo surface from survey data, aligning it to my pinned PBP. 4. active. Environment for Revit expands the capabilities of Revit with an extensive set of topography tools, streamlining workflows for both minor and major terrain modifications. Creating 3D points from text strings. Hey, happy Sunday! I'm Chelsea from TheStudentArchitect. They are technically correct relative to the base Level (at elevation 0). - YouTube. On the Options Bar, set a value for Elevation. To be more specific, each grading "point May 16, 2006 · Display both Project Base Point and Survey Point on Elevation Datum. Basically, I wanna generate a topography in Autodesk Revit from it. ByPoints. The house levels were adjusted by relocating the project relative to Survey point. Can then have my topo points as true elevation when inputting. g. Ordnace Survey, not WGS84 - degrees, minutes, seconds) DWG file with site plan in local coordinates (as above) prepared by surveyor (not georeferenced). Thu, Feb 26, 2009 at 10:38:07 AM | topo survey AutoCAD to Revit #1. 0' elevation. Use a Spot Elevation that is set to Survey Point when annotating your Toposurface. Your survey point should look like this: 2. When I look at the model in section, Jan 5, 2020 · Hi So I have inherited a project and have received a topographical survey but the original model maker hadn't created their topography using this information. The project & survey points are in the right spot (I think), so that we have our finish floor (0'-0") actually landing at 228'-4" (desired actual elevation; please see first three images attached). From there, I would use the topo tool to specify points based on the Levels indicated in the survey Transform 2D DWG Survey File into 3D Toposurface in Minutes Using Revit Topography Magic. be/tOTQSrvFDksSub Oct 3, 2017 · Note that you will need to unclip the Survey Point, move to the location and then clip the Survey Point. Joined: Mon, Jun 2, 2008 56 Posts No Rating. Stay connected with us:🔗 Vis Revit is a Building Information Modeling (BIM) software created by Autodesk and used by architects, engineers, and construction professionals. 5. Now - as long as your Levels are utilizing "Survey Point" for their Elevation base, your levels will read the correct elevation. In the first ever guest post on the Revit Pure blog, I asked Nehama Schechter-Baraban to share her thoughts about the new toposolid feature. You can create a view in the site model that appear exactly how you want, reload the site model in the building model, set the link display for the view to By Linked View and choose that view from the list. Fri, Aug 29, 2014 at 5:57:41 PM. Mar 2, 2005 · Create your topo, using the above imported dwg. 00 before I would try actually moving the levels and the model. May 7, 2018 · The topography was created with absolute elevation points. Reduce your survey size. . Is there a quick way to do Jul 10, 2019 · I've linked a dwg file and using it's coordinates as the shared coordinates in my model. You’ll gain a deep understanding of Toposolids as we walk you through essential techniques such as working with split lines, contour lines, and points to shape and customize your terrain models. I would then suggest pinning the AutoCAD drawing along with the Project and Survey Points. That will set it to the correct height. It is not necessary to unclip the survey point. Apr 29, 2020 · I created a template from a past project, and today started a new project. Dec 18, 2018 · Get 1 on 1 tutoring as well as all of my Revit files: https://www. Jan 5, 2020 · Hi So I have inherited a project and have received a topographical survey but the original model maker hadn't created their topography using this information. Then in the building model if I really want a 100' nominal ground floor elevation I just start the model at the elevation, all the levels adjusted in the Jul 10, 2019 · I've linked a dwg file and using it's coordinates as the shared coordinates in my model. Transform Lidar datasets into high-quality Revit terrains effortlessly with Archi’s Topography software! Experience rapid processing of millions of point clouds, accurate terrain interpretation, and seamless integration into your Revit projects. I created a topo surface from the imported CAD file. 2. I then created a topography using absolute elevation points to create the contours. For this project, I used May 30, 2019 · Before you create topography in Revit, make sure that your Survey Point is set to a known elevation on your topography. The problem is that the points file uses the correct geolocation Z elevation (+648') and my Revit model was created at 0'. On the Ribbon, click Insert > Link > Link CAD. Lidar data is available for free in many countries, and is the latest method to survey using drones. I've then modified the grade for my project. Dec 9, 2010 · You could export the Point Group to a CSV file and then create the Toposurface from that. Oct 8, 2023 · Topography created from CSV is not aligning with survey coordinates and levels which are set up in Revit model. It includes topographic features such as buildings, manhole covers, service covers, drainage points, lampposts, telephone poles, individual trees, steps, walls, and fences, along with descriptions of topography, surfaces, levels, and heights. I typically go the Surface route, since importing points from a CSV (that was created in a survey file) will often cause problems in Revit. Aug 24, 2018 · Now Spot Elevations have 3 "Elevation Origin" options: Project Base Point, Survey Point and Relatvie. Now i have adjusted the survey point and project base point to reflect that information the existing topography in the project is now offset I can open the original AutoCAD model but it won't change the topo surface that I made in Revit. He gives me the . We work on challenging sloped lots quite a bit and I need to be able to "grade" them to make sure the designs are feasable. Sat, May 23, 2015 at 11: May 19, 2012 · I use Revit 2013 I have an issue in a project- my project base point and my survey point are both set to 0' in elevation. My levels are set to survey point and read 0' as well. Jan 17, 2025 · How to create a Toposurface in Revit from an imported/linked AutoCAD DWG file which has contours. Start your free trial and elevate your terrain modeling today! This series teaches a complete workflow for Revit Topography. Exporting topography points from Revit to AutoCad: Revit Building >> Technical Support. Mar 31, 2017 · From there push the flux topography into Mesh. Inspect the CAD file the civil engineer gave you. and create . Work with families for structural design. I set the Survey Point based on a CAD linked survey, at 712. The AutoCAD file has the spot elevations but without Z value, so the z value shows in the properties is 0. Like I said, not sure that helps, but I will definitely be watching to see if anyone posts better results. However the topography is way off, no matter how I try to adjust the survey point or the Base project point. Is there a better way to achieve this overall goal of getting the topo in place Apr 18, 2022 · Video Transcript. Curated List 4 tutorials. Nehama is also a landscape architect, a BIM specialist, and a teacher at the Jan 9, 2018 · I have moved my project elevation to where top of slab = elevation above sea level. txt file from it. the Topo’s origination level), and then lock that dimension. I can make it, then move it down, and the spot elevations are then correct (and i very much appreciate the suggestion). Oct 14, 2011 · Goodness, I would throw an extra level down at site 0. I have a 2d AutoCAD topo survey drawing that I wish to turn into a 3d Revit Topograph survey. In this video it is shown how to create a topo surface in Revit from an AutoCAD survey drawing. dwg file. From the site view, import your project (. Wed, May 5, 2021 at 1:55:53 PM. It is a design and documentation tool that allows you to create, review, and edit models in great detail as well as allowing for unified model between all disciplines and trades. May 25, 2015 · Here's the scenario. Note: To improve system performance related to surfaces with a large number of points, simplify the surface . It's a big topography, it would takes me ages to add manually the z value to each point. May 15, 2016 · The contours of the survey (and resulting topo) are at their actual elevation so they can be dealt with at their real elevation instead of playing games with it in the building's model. Since I only need the topography to plan the architectural design of the building, I will not be tagging contour lines with elevation markers. Once we got the decimal separator and the value separator correct, we could even generate topography in Revit from it. 2D CAD Survey to 3D Revit Topography in 2 minutes with only 2D spot elevations Define Elevation of Survey point as 900 (or whatever your "ground floor" elevation is above sea level) Zoom to fit Reclip your Survey Point Use the Align Tool, to bring survey point back down to your ground level. rcs) as shown in attached screenshot. I now want to draw a toposurface based on a survey with elevations relative to sea level. Once created, take a look at the topo in elevation & see if it's where you expect it to be. Sep 10, 2020 · Hello, I have a Point Cloud of a site model in a ReCap as (. Go to an elevation view, & see where your project landed in elevation. I often use this tool when I get an updated survey. dxf survey file, you can import it into Revit and use it as a template to draw the topography of your surveyed site. Survey point and topography points from CSV file are all around 328' yet the resulting surface is around 338' (10' above all the nearby topography points). Or you can create a Surface (in C3D) from the Point Group, then link in the dwg and create a Topo from the TINN layers. When you enter one of your elevation views you realize the topographic map is at 29'-0" and your Level 1 is at 0'-0 Nov 15, 2018 · I suppose the Survey layout is a CAD file that you've inserted into the background of your project. Sep 28, 2020 · So I made some tests and realised that the topography internal points are related to the Internal Origin Point from Revit. When you click on the Survey Point, you will see some coordinates out to the side and a paper clip icon. IL 2: Survey Plan Revit Version Survey plan created and modified in Revit. rvt) file into the topo & align it to match your topo. Oct 9, 2023 · Topography for Revit is an add-in that enables you to create detailed and geographically correct toposurfaces using a LiDAR data set. following to this topic. Nehama is the COO at Arch-Intelligence, creator of the Environment plugin for Revit. The problem is not the CAD file, because when I start with an empty Revit project, import the CAD file, and generate the topography, everything works correctly - the Revit contour lines exactly match those of the CAD drawing. It is crucial to understand that while Revit can link and import DWG files into the project environment, and can extrapolate topography based on connecting a series of points derived from a CAD file, Revit is not able to incorporate certain types of data that Civil 3D takes for granted. May 11, 2012 · I have a 2D dwg file i would like to use to make a topography in revit. Project Base Point, Survey Point Revit generates points and a toposurface from the coordinate information in the file. I usually still have to add points to "force" Revit to not erroneously connect contours lines, especially for things like drainage swales, but it's still a lot less work to start with the points file instead of creating topo points from the survey contour lines. Revit Quick Start Guide. Am I supposed to just separate out the topography as a separate file and then import? Jun 19, 2013 · So I tried to change the project base point so that the Top of Finish 1st Floor would be 0'0", since that is an established point, and the top of foundation is not. Wed, Feb 10, 2010 at 12:51:32 PM. Jun 28, 2016 · I think there are two ways for using this in Revit: in AutoCAD > select all the points ( they are points with different Z value) , use Quick select in order to select only point from a bigger selectionthen use Tables >Extract Data >Create a New Data Extraction > extract only the X,Y and Z of the points . Now i have adjusted the survey point and project base point to reflect that information the existing topography in the project is now offset In this video, we will Learn how to effortlessly transform a 2D DWG survey file into a stunning 3D toposurface in just minutes. Because you cannot move this Origin Point (because it's a system point) you can move the entire model to make the Survey Point and the Internal Origin Point, in this case, at the same height) Dec 22, 2024 · Download topography for Revit to create 2D contours and 3D terrain using the thousands of built-in LiDAR datasets from Equator. Revit takes that z-value data in automatically and makes a topo in seconds. topo survey AutoCAD to Revit: Revit Structure >> Technical Support. Aug 18, 2024 · In this live session, Misty Scott hosted a vibrant discussion about everything and anything Topography in Revit whether it’s with Revit native tools or including the dedicated Environment for Revit® toolset. When it comes to documenting the elevation heights Jun 17, 2012 · I will explain to you my own process of creating a topo surface from CAD file and set the Bench Mark/Survey Point, Project Base and the shared coordinate exactly. Today I'm gonna show you how to deepen your poche base for your topography in sections and elevation views in Revit. Spot Elevation/ Level with both "project base point" and "survey point" 2017: Revit Building >> Technical Support. We built a formula making extensive use of SUBSTITUTE, LEFT, RIGHT and SEARCH formulas and saved everything as a csv. I make a new version of the survay that only has the contours from the new updated parts. I can't image manually doing literally hundreds or thousands of points myself ! Dec 9, 2010 · Is there a way to only show contour lines, without showing the Revit topography surface? I have a site survey that I've used to create a Revit topo surface from. I already spent so much time in Revit editing the surface and making a subregion for the city streets I don't want to do the process all over again. Dec 6, 2016 · 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. For this example, I am using a Survey Point of 6,460′ (USGS Elevation) which corresponds to the first topo line on the Northeast corner of my site plan. 8. Click Massing & Site tab Model Site panel (Toposurface). #autocad2020 #autocad #survey #contour #toposurface #Revittopo The problem I have run into with adjusting the project base point or survey point is that the topo ends up using arbitrary numbers. I set Project Base Point to 714. Jul 3, 2019 · You misread what I wrote, @Anonymous. Topography Elevation from Project Base and Survey Point is Incorrect: Revit Building >> Technical Support. then ,in Revit , Toposurface >Create from Import Open a 3D view or a site plan view. com which is an online space for architects and architecture students. Jun 25, 2017 · Hi guys, We had a survey done for a new house site and the surveyor hasn't quite picked up enough terrain which is resulting in 3/4 of the house located on revit topography and the remaining 1/4 falling off the topo. Zero your survey on the survey point and then create the topo. Curated List 5 tutorials. When I create a new toposurface for the property, and en Apr 4, 2013 · Go to Revit and create topo by that csv- file. I'm trying to find solution for it - does any body know how to get the topo to real coordinates? br Jarkko It seems if you import topography with concave areas like that, that Revit pitches a fit. Move unclipped Project Base Point and Levels up to 320000 (a good starting point for a template in my area). Then in the building model if I really want a 100' nominal ground floor elevation I just start the model at the elevation, all the levels adjusted in the Jun 28, 2016 · I think there are two ways for using this in Revit: in AutoCAD > select all the points ( they are points with different Z value) , use Quick select in order to select only point from a bigger selectionthen use Tables >Extract Data >Create a New Data Extraction > extract only the X,Y and Z of the points . However, when I draw my toposurface and input my point elevations, the point elevations are relative to the project Feb 5, 2019 · When you select everything, you end up with an Excel file that has N and E values combined in one column. the result is clearly not right as per screen shot below. Jul 21, 2023 · - Does the view range capture the level where he survey DWG is placed? - Go to Import tab and if they are turned on . Jan 31, 2016 · Don’t just ask for a laser scan or a point cloud. Aug 12, 2019 · Hello! I've created a toposurface from a CAD survey & lined it up where it needs to be with our building (which I had already modeled). I usually have a site file and a building file and link them together with shared coordinates if I think I might move the buiding. Apr 12, 2023 · In Revit, Toposurfaces, elevation points can only relate to the Internal Origin point, whereas the new Toposolid allows points to relate to a connected level, a Survey Point, the Project Base point, or the Internal Origin. I also changed the survey point to be at -208' so that the contour lines in my topography would match the survey. Video: Create a Toposurface by Defining Points. Big thanks to Lyndsay Samuelson (Youtube - Lnzeeee) for devising this method for bringing AutoCAD survey files into Revit to construct accurate Topo Surfaces Sep 13, 2004 · Revit 2017 - Topography contour lines visibility: Revit Building >> Technical Support. Industry: Architecture Oct 8, 2023 · Topography created from CSV is not aligning with survey coordinates and levels which are set up in Revit model. When creating a Toposolid from a CAD file, the elevation will be absolute and relate to the Internal Origin point. For my scenario, I will now clip survey point to stay at mean sea level. The Revit levels are fine, the other spot level/elevations are fine (ie the top/bottom of the walls etc), but the survey is off. Curated List 22 tutorials. Exercise Explanation: The objective of so you can edit the new topo you have edit and then create from instance, pick the original survey and it will add all those point in. I now want to show the new contour lines, but don't want to show the surface (because it is masking linework from the survey). i received a site survey in CAD 2D and I would like to plot it now in Revit. Dec 7, 2010 · This gets me confused every time We modeled the site and building (in one file) at actual topo elevations without adjusting any project or survey points so in this example, top of slab level is at 50' whether the elevation is set to project base point or survey point. Ask questions about Revit software, standards, trouble shooting, how to, family creation / modification, or just show off your latest project/model. Nice! Now, you want to model your building. Parent topic: Toposurfaces We’ll also guide you through the process of converting old Revit files with outdated topography into the new Toposolids format. Worked great for me. Oct 22, 2024 · Revit includes a limited selection of native tools for creating and editing topography, and for more complex designs, these tools can be time consuming to use. Link the CAD site plan/topo drawing in the Site level. It should be correct. What is the best way to bring the topo into Revit? I know how to link a cad file and create a topo surface from the contours, however it is not always exact. Revit native tools. Thu, Feb 26, 2009 at 11:45:41 AM. Am I supposed to just separate out the topography as a separate file and then import? I have surveys (including topography) that come from my surveyor. Ensure the drawings units are consistent with the units of the spot levels. The thing is - as far as i know - Revit does not generate a landscape from 2D files, it has to be 3D, instead of manually adjusting all the lines in the Z axes, is there a way to automatically generate a 3D version, then let's say export to a . Survey Point and UTM coordinates: Revit Building /r/Revit A place to talk about anything related to Revit. When the Topo and its Level are at the correct elevation for your project; pull a dimension between the Topo’s Level and the Project Base Point Level (e. com/balkanarchitectParametric Title Block Tutorial: https://youtu. the points on the plan view shows a gentle slope across the site but the points in the 3D layer are jumping up and down. Open a 3D view or a site plan view. Following data are available: CSV file with topography in local projected coordinate system type coordinates (e. patreon. 1. then I link it in and edit my existing topo. Only problem was that Revit made that topo center to center -> ie topo looks fine but it's horisontally displaced. I have a Sea Level level which correctly reports 0' 0" based on the survey point, and a Level 1 which also correctly reports 0' 0" based on the PBP. You have a topographic survey completed in CAD by the surveyor. Learn how to use Revit Topography and Toposolids in this 2024 tutorial! Check out my full course (200+ Revit Tutorials): https://succe Jan 8, 2025 · 0 likes, 0 comments - blodyspace on January 8, 2025: "IL 1: 3D Topography Toposolid created by importing a georeferenced Survey CAD Plan. Am I supposed to just separate out the topography as a separate file and then import? /r/Revit A place to talk about anything related to Revit. My work around is to just make the large mass, then subtract what elements I need, all in revit. Allan1983a. If you have Points in CAD files they can not be imported as POINTS into Revit because Revit doesn't recognize points as entities (only Conceptual Mas works with points but do not import them). I leave my survey elevation at 0'-0" (sea level). Open any elevation view, reveal hidden elements and find the Survey Point which is a triangular icon. Mar 28, 2022 · Hi all I have a survey that results an uneven topography. Its a good file and you are able to import the CAD file and create Revit topography from the survey. I don't think I have the Z values table in there tho. The Survey Point is for Sharing Coordinates. Sponsored by Autodesk. Mar 14, 2022 · I have created the topography from a CSV file. I've tried editing the surface of the topo to manually extend it but revit will not allow me to place any Jul 27, 2006 · Abolute Elevation and Topo Points - Revit Architecture 2009: Revit Building >> Technical Support. Jul 27, 2015 · If your survey has been flattened or if you didn't get it with z-values, you should contact the surveyor and ask him to output the AutoCAD from the survey data with each point having a z-value. The countours labeled correctly. Search this Thread | Page 1 of 1 | . Comparing the flux topography in red against the professional survey in blue, we can see that the flux topography is no replacement for a real survey, we are looking at a 5-8m difference between the survey and the flux data. Next to the Elevation text box, select one of the following: Site and topography modeling. Your Model is now coordinated! To create the Topography, make sure that you first set the category to visible. Aug 7, 2015 · I have created a project using 0,0,0 as the project base point and the survey point elevation. Revit Building >> Technical Support. Refer to the following steps: Open a site or floor plan view in the Revit file that you want to use as a host. The level elevations are based on the survey point. Jul 21, 2015 · How to create a topography object in Revit Architecture when the only survey information is a 2D survey? Well, follow these steps with the help of the Revit fairy: Start in AutoCAD. Make sure you request a full topographical survey and make sure a detailed 2D CAD topographical survey drawing will be supplied along with your model. In this video, we will Learn how to effortlessly transform a 2D DWG survey file into a Jun 14, 2024 · If you have a . Learn: - True/Project North - Add Road & Kerbs - Graded Region - Site Phasing - Split Surface - Oct 29, 2018 · One of the benefits of Revit is that Revit allows the user to import a CAD survey drawing and generate a topography, based on the information it provides. I saw a method using Civil 3D but honestly i trust this Group and believe that it has more experienced People. Know the difference between a 3D points file used to create a Topo Surface in Revit and a point cloud. Site and topography modeling. This Level will serve as a “Relative Base” for Spot Elevations, should your Survey Point be needed elsewhere in the project. linked / insert cad 2 The Revit 2024 site improvements are major. Also, if I set the topo to “Existing” when I set my view it makes my contour lines solid. Tue, Nov 7, 2017 at 10:20:45 AM. Thu, Jan 29 Jul 15, 2019 · Hi everyone! I need to create a toposurface in Revit from a 2D Autocad file. However, when I draw a topo point at an absolute elevation (only option available on pull down menu) at say 4' the actual spot elevation and where the topo shows in 3D May 7, 2018 · The topography was created with absolute elevation points. Topographical surveys are commonly made in metres. Moreover, it often It seems if you import topography with concave areas like that, that Revit pitches a fit. Feb 20, 2017 · I just imported a point file into my Revit model to create a topography. Then you just cut the Topo to clipboard, paste aligned to selected level, pick new site level, edit topo, pick all points, move command, raise them back up. To get it that Spot Elevation to report accurately, place your Survey Point RELATIVE TO YOUR TOPOSURFACE. Revit. But the final Topography surface is 10' (3m) above the actual point elevation. I'm trying to find solution for it - does any body know how to get the topo to real coordinates? br Jarkko A topographic survey is a highly detailed, centimetre-accurate map of site. These are the steps I have taken to produce my topography, please correct me if I am wrong, or can be done quicker: 1. The project base point and survey point are both at elevation 0'-0". The two main options you have for automagically generating a topography surface are to either import from a DWG file that contains 3D surfaces – generally these would be Feb 2, 2017 · The attachment called Imported Files into Revit shows all of the elements described above- the toposurface that was created from imported points on the bottom left, the Revit model over the 2D CAD survey on the bottom right, and the 3D CAD model on the top right. Go to massing & site tab, go to Model Site panel and click toposurface. I have used the "create from import" and choose the "level" level from the CAD. Property line Object styles Coordinates acquired from the CAD Survey Plan IL 3: Original CAD Survey Plan Original georeferenced CAD survey plan. Create a toposurface by placing points in the drawing area. If you didn’t have a chance to join live, you can watch the Revit topography webinar here! Hundreds of professionals tuned in May 16, 2006 · However, I don't know what I am doing wrong. dxipc hqqg fimd ugjqkm rlxx vhdqfk ppcwn xnmbc iufirhe uhlyekn kzn vtxtiu axycau luihyf hwwmt