Rhino topography from curves

Rhino topography from curves. As long as the curve is planar and closed, any curve outline will be turned into a surface. The key steps in this video can b Add Topography Region: Given a list of curves, it adds a topography region to the active Revit document: Add Topography (Mesh) Given a Mesh, it adds a topography surface to the active Revit document: Add Topography (Points) Given a set of Points, it adds a topography surface to the active Revit document: Add Toposolid Nov 22, 2019 · The tricky bit is always the topography if the site is complicated. You can also hide the isocurves before running DupEdge, that would only keep the curves at the border of the surfaces. However, if you do not have recent contour data or your contour data does not have z-values associated, simply click on the button below which will take you to May 19, 2022 · Okay but to make much better objects you need to learn the basics of Rhino and get away from this approach of drawing random curves and somehow expecting to magic them into a shape. Decides to stretch or compress objects in the curve direction so that the relationship to the target curve is the same as it is to the base curve . Make a Curving Ramp in Rhino using control points and the loft command. Furthermore, if your topography surface is non-planar, but your street defining curves are, then it’s probably best to extrude the curves first so that the extrusions fully intersect the topography geometry. 1. gh (326. Create a new project in Revit. Repeat this for the upper curve but use a different randomization pattern. The CurvatureGraph command displays a curvature graph on curves and surfaces. Then extract an isocurve using _ExtractIsocurve in the V-Direction and click on your point. Topography Component. I know exactly what you want to do - in fact I gave a class last week where we had to do exactly that. Dec 7, 2016 · Hello, I currently have a set of curves in the Z axis. _MeshPatch. I’d suggest just assuming the site is essentially flat while you get the hang of the basics. Special features include: Apr 24, 2023 · Hello, i have made a topo surface out of curves, but i find it extremely heavy with patch - is there a lighter way to make this surface without making it less accurate? topo site_ex. ExtractIsoCurve strObject, arrParameter , 2 Jan 5, 2021 · I first made a bounding box on the points (which I changed to a point cloud) and extracted its boundary as a trim curve, then I also extracted the bottom surface and enlarged it slightly to use as a starting surface. DWG format, the CPlane coordinate system in Rhino might have been moved away from the origin point (0,0,0). Make a terrain from GIS data (level curves). Take the list item command that shows the rain falling and the polyline that shows runoff. Dec 19, 2022 · Learn about how to turn 2D contour into 3D editable topography in Rhino 3D! This method works with topography on a larger scale and can get accurate surfaces from existing contour lines. The goal is to use this model to make a CNC milled topography May 11, 2021 · I am trying to make a site model for a project in school. _projecttocplane (delete input) > place topography below your roads > turn your roads into a crv outline however you have to do it > top view > turn your topo into a surface (meshtonurbs) > _project your roads onto the surface > _patch your new crv’s > delete all remaining curves > select all and _trim the Jun 17, 2021 · There’s a number of ways this can be achieved. Sep 28, 2020 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright arrPoint = Rhino. SurfaceClosestPoint(strObject, arrPoint) Rhino. Export your Rhino file as a DWG. I’m trying to create a surface from all of these points, to make a sort of About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Final Grasshopper script, among other advantages. Copy level curves to new layer 3. Actually I can’t refined all the mesh and edit the verticies, it would make the model too heavy… I found a similar post here which didn’t fully answer my question, as It doesn’t seems to be an optimal methode Jan 22, 2017 · When using the Mesh from polysurface command, Isocurves in a surface can cause this command to add more polygons than you may want. Here is an example or one side of the square sweep. I’m aiming to merge the two closed curves preserving the topography. CPlane. However, during the cut, the pipe was little deformed as depicted in the picture. Make a selection frame (rectangle) 2. Learn how to turn contours into a surface in Rhino with this tutorial video. when _TweenCurves fails you might try making a _Loft surface between the two curves using refit value of eg. Finally, loft between the upper and lower curves with the "Loft" component. The key steps in this video can be found below Feb 22, 2022 · Quickstart video on how to use the TOPO_Kit tool available in the LAND_Kit plugin for Rhino 6 and 7 to create and modify topographic features and virtual lan and tag data so that you can begin creating curves and other Rhino/Grasshopper geometry. How to If the model is imported into Rhino from other 3D/CAD software, e. especially if you want to have a very low polygon count and have adjusted the detailed settings acordingly. Dec 5, 2018 · Use the "contour" Rhino command to generate them from NURBS surfaces or meshes of the topography and buildings. Rhino Visual Tips 5. Map a site plan or image from google maps to your 3D site mod Jan 5, 2021 · To try and make processing repetitive 3d topography tasks, bioclimatic analyses, etc, the past few days I managed to put together a nice grasshopper file that automatically models 3d topography into a clean and ‘accurate’ 3d surface using only topographical contours/curves as input (that i manually moved in Rhino vertically before inputing into grasshopper). See examples and tips for creating smooth and accurate surfaces from curves. I cover the basic primitive Sub D shapes, along with ways to edit Sub D faces, edges, a How to use array along curve and project Curve (Olympic Stadium, Bird Nest) 24. I have performed a smooth line to have nice smooth contour lines that I’ve imported into Rhino for further modeling. If, on the other hand, the supplier really wants 3D data, but there are too many curves, you can DupEdge the solids and then remove any undesired curve before exporting to DXF. The Sweep2 command leaves gaps in the surface. If nurbs, divide the curves by a distance and use those points. ) When I try to split rhino triangulates more on the outside of my enclosed curves and then splits it from the mesh but not the part I would like split. 0. We will use the delaunay triangulat Based on a completely new, robust and reliable constrained triangulation algorithm, Rhino Terrain ™ is able to process very large data volumes. 0) study material, accessible in the palm of your hand, anywhere, anytime! F Feb 4, 2022 · Site Modelling in Rhino. This tutorial covers modeling techniques with Rhino's Sub D Geometry. The key here is to get the logic behind creating randomized curves so that our surface gets that wavy effect. As input, use the polyline vertices. The lines on You learn that how you can draw 2d curves in rhino and by using Rhino. Add Topography (Points) Use the Add Topography (Points) component to Add Topography (Points) in the project. USGS is a science organization that provides access to a large range of scientific data pertaining to the earth. In this section, we will introduce two methods for preparing a 3D topography model: one with Rhino and one with Grasshopper. Jun 11, 2016 · This video is in response to a user that wanted to make contour lines based on a topographic surface. However, the object is in curves and I need to convert it to mesh before I can export it out. Most notably components for Tweening Curves Along Curves, A custom Curve Graph Mapper which accepts any and multiple curves as inputs to graph with, Unsplit Surface components for making polysurface like surfaces which read as one untrimmed surface, Twisted Box components like Sweep, Deform, Thicken, and Subdivide. Nov 12, 2017 · I would like to draw a curve (Control Point Curve) over polysurface. Use the Sweep2 command when you want to control the location of the edges of the Jun 30, 2013 · I’m still new to Rhino, so my apologies if this is obvious, but I’ve not been able to get this to work. The Topography component can be used to generate points, curves, and a surface from various digital elevation model (DEM) file This course will help you to master the basics curves and surfaces, right through to advanced organic, fluid modeling with advanced ‘SubDivsion’ modeling and everything in between. 0: Chapter 10: SURFACE: PATCHOutline of Rhino Visual Tips at:http://v5. Oct 24, 2017 · Alignment type options; AlignTo. Using the newest tools available in Rhino 7, the courses are constantly updated with any new features that become available. Offset road center lines, project the curves to the NURBS surface, split Oct 21, 2015 · Hi, I’ve used ArcMap with a DEM (Digital Elevation Model) to produce contour lines from a region of 10km x 10km approx. GetPointOnSurface(strObject, "Select location for extraction") arrParameter = Rhino. Import topo lines, move to appropriate Z-locations, then use Delaunay mesh in grasshopper. “Explode” rectangle and create planar surface CMD “PlanarSRF” for side parts. As soon as the input curve is even just slightly 3-dimensional, the Boundary Surfaces component will fail. Nov 16, 2019 · Create or download your roads. I then ran Patch with starting surface Pull=0, Trim=No. 3dm (33. ) Are there any ways to draw those curves (road and river) on the 3D mesh easily? or After years of struggling, I've found the best approach is to model topography as a mesh. (see better instructions below) I do not recommend running MeshPatch on the polylines themselves but rather on their control points. If you want to learn more, and dive into in-depth tutorials regarding Cadmapper and Rhino, you may want to consider becoming a member of How to Rhino Patreon, where we cover various topics, including parametric modeling with Grasshopper. Walls, windows, doors, You will be amazed by seeing how you can create your model in any topography. Afterwards I used the trim curve obtained above to trim off the wavy edges. You could add things like the canal in due course. Join these curves then use a pipe command to give the lines some thickness. 0 meter Magenta= 0. Select the curves and turn on points (F10) 2. Creating mesh terrain from points and modeling a path that fits the terrain. e. I need to precise some areas (like add road footprints). The computation of a Digital terrain Model (DTM) can be performed on clouds of tens of millions of points from terrestrial scanners or LIDAR aerial lasers surveys and include an unlimited number of break lines. Next, we will use Revit's topography feature. 0 meter Blue= 0. It's a great way to quickly create a surface from these curves. Match end Jul 27, 2016 · 9. Aug 14, 2020 · Overlaps, gaps, and duplicate curves cause problems in cutting. When you import the curves into grasshopper, you'll need to divide by length to provide points for the Delaunay component. Here is a quick tutorial to help using the Patch command to successfull Jun 21, 2023 · Learn how to create detailed topography in Rhino with these step-by-step instructions and tips. 5 KB) Hi I am unable to use patch command to create a surface form the given contours. Here’s the thread: Surface from Points trouble. Select the points (_SelPt) 3. stl file) the pipe which is cut into two different pieces, and by using the contour method provided in grasshopper the closed curves at every interval of 1mm to the longitudinal direction were acquired. I’d like to separate all of them and bring it to the X axis (in plan view). (Yes, there are ways to do this within Rhino itself, but I find it much faster to use this method). Dec 18, 2020 · This video tutorial goes through the step of how to create a 3d terrain model from a series of contour lines in Rhino. This Grasshopper tutorial, a part of the Rhino for Architects Training Program, explores the ways to create a surface from two curves. It will smooth it out but retain the right features (you may have to tweak input settings) If you have topography data in the form of contours saved as an AutoCAD drawing (. This gives two unique curves. Provide a Revit Topography Element and Planar Curves to the Add Topography Region + v1. Note that both methods will require additional resources and other services that are also covered. 7 meter This video tutorial goes through the steps to model sloping paths at consistent gradients within a landscape using Rhino 7. youtube. The CurveBoolean command may work to clean some of these up, but may not entirely eliminate overlapping sections, and it will not fix gaps. I tried to rebuild a surface, but my knowledge is too restrained yet so I can make it done. Discover the various tools and techniques that will help you Nov 16, 2021 · Getting contour lines from topography can be very simple and time-consuming. My question is how can I project those 2D lines to the 3D mesh model? (I had tried the “project” command but it doesn’t work. If your base file does not have a surface or mesh representing the topography, you can use the RhinoTerrain plugin (available in the Software folder on Goliath) to make a 3D mesh from horizontal topography lines. How to use patch command (how to make terrain and topography in Rhino) 25. May 8, 2022 · Assuming the contours are polylines: 1. For small gaps, the CloseCrv command in Rhino can be a quick fix for open curves that need to be closed. 00001 feet. The best approach is using Rhino's NetworkSurface command. This command is useful for removing unwanted detail, and for removing loops in curves and surfaces. I suspect there is something wrong with the delaunay mesh, since everything seems fine before that operation. GH Script: https://drive. g. Jun 23, 2020 · Draping a Mesh over a solid object to simulate a terrain or site surface. Mar 20, 2017 · I’ve project multiple enclosed curves onto a topo mesh and would like to split them with the mesh so I can apply different materials to my topography (i. The latest and greatest (and most affordable) Architect Registration Exam (ARE 5. Oct 17, 2017 · Update to add 16 new components. Oct 22, 2019 · Then, connect the randomized points into a "NURBS Curve" to generate a smooth interpolated curve. Creating site specific terrain can completely transform your work and bring a whole other element of realism to your Rhino models! In this video I will be sh Create Surfaces from Curves. There are no limits on complexity, degree, or size beyond those of your hardware. A common way of working in 3-D is to draw curves that represent edges, profiles, cross-sections, or other surface features and then to use surfacing commands to create surfaces from those curves. Supported target geometry types include NURBS curves and surfaces, BReps, and SubDs Mar 27, 2017 · Introduction to quick surface modeling for custom topography, and creating a site plan. I am meshing some simple shapes made from sweeps. Rhino: Beginner Level Feb 6, 2020 · Dušan Cvetković posted a new tutorial to help architects learn Rhinoceros. A topography model is a potential candidate to be 3D printed. Add Topography Region. Here is a quick picture to let you understand. You cannot have a solid object in Rhino; the closest thing is a water-tight poly surface. 2 Likes John_Brock (John Brock) June 1, 2022, 1:52pm Jun 11, 2023 · The curves must be planar – meaning all control points of the curve lie on the same plane, resulting in a flat curve. Match start tangent. com/3dbeast , In this video, you’ll learn how to use Grasshopper to create topographic Get Topography for Rhino with Equator Create a 3D terrain in Rhino 3D Software using high resolution elevation data from Equator. Everything inside the tube flows. Stretch. This can be helpful for creating surfaces for apply Aug 31, 2023 · Have you ever wanted to have more control over the shape of a SubD boundary? Have you ever wanted to match a SubD to some degree of continuity to other Rhino objects? We are excited to share SubDMatch, a new test command in Rhino that matches a chain of SubD boundary edges to another Rhino curve or surface. Available when you have selected three shape curves. goog Aug 6, 2020 · With the ability to use Cadmapper to Rhino workflow, it is definitely worth exploring. Feb 4, 2020 · hello, i’ve got a asc file, for topography, how can i use it, it’s look like: an idea i’ve got the dxf too… level curves, but it’s really hard to script something for elevation… Feb 24, 2015 · Thanks, this is useful, but I should have been more specific. To reset the coordinate system in Rhino please follow these instructions: - Type _4View twice in the command prompt in Rhino to reset the CPlane. Even in shaded mode its not in mesh. It’s for printing with the laser cut and I’m pretty sure Rhino can handle this painful task so I don’t have to do it by hand. May 10, 2017 · @bigjimslade,. ) Aug 9, 2019 · I 3D scanned(. I have a 3D mesh model, 2D transportation road, and 2D river in different layers. I`m on Rhino 7 WIP. The basic elements of a design can almost always be pulled apart into solids, curves, and lines, all of which you can create and edit in Rhino. Rhino can create, edit, analyze, document, render, animate, and translate NURBS curves, surfaces and solids, subdivision geometry (SubD), point clouds, and polygon meshes. This creates a watertight surface that aligns properly with the perpendicular profile curves. Sep 2, 2013 · particularly for laser cutting topography. I want to model the terrain so that is gets the form of “closed terraces”, as in the site model below. Is there any other way to achieve this? Thanks Red= 0. We're using points to randomize their movement in the x-direction and then create an interpolated NURBS curve in between. I like Loop Subdivision. Aug 11, 2019 · thanks for the answer, but that’s not what I mean, I have a series of surveyors (buildings) built on an XY plane, and I want to project them on a 3d surface (topography), the geometry I have like the one in the picture (buildings) must follow the forms of topography. Import the DWG and place on Level 1. You must use at least three curves to activate this option. This was a shuttle mission where most of the earth was scanned for elevation and packaged in 1°x1° tiles. com/watch?v=auT Aug 21, 2024 · Creates a closed surface, continuing the surface past the last curve and around to the first curve. From there, you could like put it through weaverbird. Continue the above procedure of nudging and locking the lowest until all the curves have been mounted to the correct height, then use the Unlock button to unlock all the Oct 30, 2020 · Made for the University of Toronto Faculty of Architecture. dwg) file and the contour lines already have z-values associated with them, you can proceed to step 2. Curves and Surfaces Any site we work on is made up of a variety of structures, forms, and systems. The rail is a square with only knots in corners. from AutoCAD via . Inside. The majority of the points are at 0 on the z axis, but one group of them is at z +1, another group at z +2, another group at z +3. My issue is that I have an existing topographical mesh I’ve created from a TIN map. Nov 2, 2017 · Note that several disconnected curves may be at the same height, so you will need to check your model all the time and make sure you have gotten all the curves at each level. The inner and outer curves May 8, 2024 · To fully visualize the rainfall pathways in rhino's rendered port, an extra small segment of code is used. Is Jan 7, 2016 · That way, obviously several duplicated curves appear. LAN3025 Video Tutorial Oct 22, 2019 · In this Grasshopper tutorial, we are going to explore the ways to create a surface from two curves. Then you may have to trim the result with the outer most contour line. The workflow is fairly straightforward: 1. This creates the surface from curves by blending between the Sweeping with two rails creates a smooth surface with from multiple cross-section curves and two rail curves. Apr 27, 2020 · In case your contours are curves and not polylines, you can try to use divide length. Determines which coordinate system will be used for alignment. This video looks at how curves can be intuitively used to visualise landscapes using the Delaunay Mesh component in Grasshopper. Download Contours Here + How To Import Topography into Rhino in 4 Easy Steps Get topographic data for Rhino: Login or Signup Nov 8, 2018 · Hi community, What would be the best way to edit that topography ? (The topography is a mesh made from countour lines). com/group/rhino-visual-tips-5/page/out-line-of-rhino-visua Apr 27, 2020 · In this episode, we use an existing site plan to turn the 2D Contour lines into a 3D TopographyThe main commands used were:- Patch- Lock- Trim- Boundingbox- Feb 23, 2021 · Browsing through the forums, I came accross someone who apparently was facing the same issue as I have been facing. Not all surveyors are super fun Easy Edit Topo Surface + Edit Surface with Topo Lines! Finally, a way to edit surface with topo lines This video tutorial goes through the steps to create a terrain model through the use of SubD tools in Rhino 7. Elk uses data that originates from the Shuttle Radar Topography Mission (SRTM) of 2000. best regards, David In this video, we're going to talk about several ways to create surfaces using edges and curves in Rhino. I have included the timestamps below s Jul 7, 2024 · What is Rhino? Rhinoceros 3D Software can “create, edit, analyze, document, render, animate, and translate NURBS curves, surfaces and solids, subdivision geometry (SubD), point clouds, and polygon meshes. I tried his solution (rebuilding the contour curves), but with no success. 3. In this video we export our DEM imagery as a point cloud, import it into Rhino and create a surface from the points. Some folks were have trouble creating their terrain surface from the traced contours. The model is scaled down in Rhino at 1:25 000 to have a model of less than 18 inches square. Model Topography in Rhino + Manipulates it. I’ve tried to hit Ctrl to click snap option POnSrf but it’s grayed out. Revit components, you have the 3d model in revit with all the right categories. (Use this with caution. Oct 24, 2017 · The Smooth command averages the positions of curve and surface control points and mesh vertices in a specified region. If the start curve is a surface edge, the lofted surface maintains tangency with the adjacent surface. There I have just drawn the contour curves and extruded them to the appropriate height. But, I can’t edit the extrusions, and don’t know how import Sep 1, 2021 · rhino query. Everything outside the tube is fixed. So I kind have to flatten to bring all of the curves in the save X axis, if it would. Context model in Rhino - Part 2. This method generates NURBS geometry in Rhino, allowing you to use features like Make2D to export vector graphics. Join Dave Schultze for an in-depth discussion in this video, Creating topography with lofting, part of Architectural Site & Envelope in Rhino. 8 component to Add a Topography Region. 3 meter Black= 0. We have received contour curves that looks like those in the picture below. Part 01 Aug 19, 2020 · Hi all, I am very new to Rhino and this is my first time drawing curves on a 3D mesh in Rhino. The Smooth command evens out the spacing of selected control points in small increments. I am going to do some resurfacing of the landscape and I was hoping this could be done easily using a tool similar to what I saw in that video. 2. In this tutorial we will look at how to create an architectural site model using grasshopper and a set of contour curves. Aligns objects using construction plane coordinates. Mar 31, 2020 · The easiest way to project a flat image on to your topography model’s surface in Rhinoceros 3D. Join Dave Schultze for an in-depth discussion in this video, Creating topography with contours, part of Architectural Site & Envelope in Rhino. , roads, sidewalks, etc. In this video I cover the following:-Quick and dirty way Use Rhino 6, or Rhino 7 to Model topography and be able to change it. This tutorial will cover some basic techniques for importing GIS data into Rhino—using the Grasshopper plugin—in order to create a 3D site model with basic building masses. rhino3d. https://www. Inside the tube wall the flow dies off. Create roads on a terrain using curves from GIS data. Oct 10, 2018 · Using Rhino's Loft command can result in skewed beam layout lines since it ignores the perpendicular edges we defined. Curve analysis tools let you turn on a graph showing the direction perpendicular to the curve at a point and the amount of curvature, display a curvature circle, test the continuity between two curves and the intervals of overlap between the two curves. In Rhino 7, you could for instance convert from mesh to SubD to surface. If the topo curves are flat in 2D, use CurveBoolean with the outline curve and the contour line curve (do not delete the input) to create a closed region. I’m looking to remove these to export clean and simple geometry from wireframe view. CurveBoolean Is your friend here. Create terrain box out of terrain based on rectangle curves. In terms of extruding curves to make buildings, I would suggest making sure the outline of the buildings in plan are closed curves. Referenced tutorial: https://www. I have a huge (about 200,000) set of points created with Paneling Tools. patreon. 1 KB) also, does someone knows how i can make out of the same curves / the surface made of the curves, the topography as horizontal slices?? thanks for your time Specify circles to define a "tube" of influence around the input curve. How to build a curve over other surfaces? I would like to snap the curve’s control points to surfaces. How to Model Roads on Top of Any Site Topography- Quick Easy Rhino Tutorial Aug 19, 2021 · Hi, I am completely new to rhino, I received a model from a client, long story short, I need to send it to another program to be able to work on it. The cross-section curves define the surface shape, and the rail curves define the path the two edges of the surface will follow as closely as possible. A component for Rhino Grasshopper to generate topography surface from topography curves - alitghomi/Gh-Topography-Surface-Generator Oct 20, 2015 · Hello everyone, I’m looking to remove these meshes, lines, created by default by rhino when making a surface. vonbihk afrv wyp esemjvp rglsib cwiv atsmbt ilka hhgwacx ezqxl