Rhino topography from curves

Rhino topography from curves. 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. The rail is a square with only knots in corners. Select the curves and turn on points (F10) 2. 0 meter Magenta= 0. 2. Use control points to adjust for a more fair curve. especially if you want to have a very low polygon count and have adjusted the detailed settings acordingly. I know exactly what you want to do - in fact I gave a class last week where we had to do exactly that. I have a 3D mesh model, 2D transportation road, and 2D river in different layers. Nov 10, 2016 · 9. 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. I’d suggest just assuming the site is essentially flat while you get the hang of the basics. com/rhino/5/help/en-us/c Feb 4, 2022 · Site Modelling in Rhino. If the start curve is a surface edge, the lofted surface maintains tangency with the adjacent surface. 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. I am meshing some simple shapes made from sweeps. This gives two unique curves. 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. 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. If the object's section style is By Clipping Plane, hatches will not be created. CurveBoolean Is your friend here. Available when you have selected three shape curves. This creates the surface from curves by blending between the Feb 25, 2022 · Video tutorial on how to create a highly detailed topographic in Grasshopper using LiDAR- and DEM-derived point clouds (in . I have included the timestamps below s 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. You can also hide the isocurves before running DupEdge, that would only keep the curves at the border of the surfaces. The contours can be curves or points. Rhino: Beginner Level Rhino Visual Tips 5. If nurbs, divide the curves by a distance and use those points. Hatch creation is based on the input object's section style properties, and only for closed contours. Use Rhino 6, or Rhino 7 to Model topography and be able to change it. CurvesOnly. Thanx in Advance. Offset road center lines, project the curves to the NURBS surface, split After years of struggling, I've found the best approach is to model topography as a mesh. The key steps in this video can b. Using the newest tools available in Rhino 7, the courses are constantly updated with any new features that become available. Match end Sep 2, 2013 · particularly for laser cutting topography. You could add things like the canal in due course. 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. com/watch?v=auT This video tutorial goes through the steps to model sloping paths at consistent gradients within a landscape using Rhino 7. las, . The latest and greatest (and most affordable) Architect Registration Exam (ARE 5. -wim Oct 22, 2019 · Then, connect the randomized points into a "NURBS Curve" to generate a smooth interpolated curve. e. Nov 22, 2019 · The tricky bit is always the topography if the site is complicated. Jan 16, 2008 · I have a CAD file which was a GIS topography file which I converted to CAD, I open in Rhino, But can not seem to create a topographic surface. _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 How to Model Roads on Top of Any Site Topography- Quick Easy Rhino Tutorial Context model in Rhino - Part 2. I need to precise some areas (like add road footprints). Select the points (_SelPt) 3. This was a shuttle mission where most of the earth was scanned for elevation and packaged in 1°x1° tiles. Provide a Revit Topography Element and Planar Curves to the Add Topography Region + v1. 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 19, 2023 · Usually, one’d get a quality dataset, and, if modifications are necessary, use mesh tools to modify the terrain. Here’s the thread: Surface from Points trouble. Make a selection frame (rectangle) 2. Elk uses data that originates from the Shuttle Radar Topography Mission (SRTM) of 2000. Match start tangent. (see better instructions below) I do not recommend running MeshPatch on the polylines themselves but rather on their control points. Does anyone know a command or a procedure that would aid in this - maybe some type of mesh command. asc and . 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. Create a new project in Revit. Curves and Surfaces Any site we work on is made up of a variety of structures, forms, and systems. 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. My issue is that I have an existing topographical mesh I’ve created from a TIN map. I tried his solution (rebuilding the contour curves), but with no success. ) Are there any ways to draw those curves (road and river) on the 3D mesh easily? or Sep 9, 2024 · Creates a closed surface, continuing the surface past the last curve and around to the first curve. Map a site plan or image from google maps to your 3D site mod Add Topography (Points) Use the Add Topography (Points) component to Add Topography (Points) in the project. In this tutorial we will look at how to create an architectural site model using grasshopper and a set of contour curves. The Smooth command evens out the spacing of selected control points in small increments. Is Jun 23, 2020 · Draping a Mesh over a solid object to simulate a terrain or site surface. rhino3d. Apr 3, 2021 · In Rhino 7 is there a way in which I can move a line that has been projected onto a complex 3D surface (in this case an organic shape with a complex topography) and keep the line constrained to the surface? When I try to move the control points of such a line, they do not stay on the surface and I have to use “pull” to bring them back onto the surface. Referenced tutorial: https://www. Add Topography Region. Model Topography in Rhino + Manipulates it. 1. Apr 27, 2020 · In case your contours are curves and not polylines, you can try to use divide length. Create a loft between two Rhino curves Surface » Freeform » Loft Nov 8, 2018 · Hi community, What would be the best way to edit that topography ? (The topography is a mesh made from countour lines). Create roads on a terrain using curves from GIS data. 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. , roads, sidewalks, etc. You cannot have a solid object in Rhino; the closest thing is a water-tight poly surface. Creating mesh terrain from points and modeling a path that fits the terrain. It's a great way to quickly create a surface from these curves. I tried "Loft" which i assumed would be the best way, but did seem to best option. Export your Rhino file as a DWG. The Topography component can be used to generate points, curves, and a surface from various digital elevation model (DEM) file Mar 31, 2020 · The easiest way to project a flat image on to your topography model’s surface in Rhinoceros 3D. Based on a completely new, robust and reliable constrained triangulation algorithm, Rhino Terrain ™ is able to process very large data volumes. This command is useful for removing unwanted detail, and for removing loops in curves and surfaces. May 8, 2022 · Assuming the contours are polylines: 1. As long as the curve is planar and closed, any curve outline will be turned into a surface. We will use the delaunay triangulat Learn how to turn contours into a surface in Rhino with this tutorial video. In Rhino 7, you could for instance convert from mesh to SubD to surface. _MeshPatch. I am going to show you how to create a simple topogr Create a loft between two Rhino curves. 0 meter Blue= 0. For complex lines this can be very Jan 31, 2018 · Presented by Chloe from CoMotion MakerSpace at University of WashingtonFull Rhino command list is available here https://docs. 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. Import the DWG and place on Level 1. 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. Repeat this for the upper curve but use a different randomization pattern. Oct 20, 2015 · Hello everyone, I’m looking to remove these meshes, lines, created by default by rhino when making a surface. 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. Nov 12, 2017 · I would like to draw a curve (Control Point Curve) over polysurface. The curvature graph really helps to see the smoothness of your curve. Create Surfaces from Curves. 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 Nov 26, 2019 · 2) use the “analyze_curve_curvature graph on” function to see how “fair” your curve is. (Yes, there are ways to do this within Rhino itself, but I find it much faster to use this method). 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. 7 meter Jan 7, 2016 · That way, obviously several duplicated curves appear. I suspect there is something wrong with the delaunay mesh, since everything seems fine before that operation. Join Dave Schultze for an in-depth discussion in this video, Creating topography with lofting, part of Architectural Site & Envelope in Rhino. I like Loop Subdivision. com/group/rhino-visual-tips-5/page/out-line-of-rhino-visua Nov 16, 2019 · Create or download your roads. Finally, loft between the upper and lower curves with the "Loft" component. From there, you could like put it through weaverbird. I have performed a smooth line to have nice smooth contour lines that I’ve imported into Rhino for further modeling. Import topo lines, move to appropriate Z-locations, then use Delaunay mesh in grasshopper. 3. 2 Likes John_Brock (John Brock) June 1, 2022, 1:52pm Sep 1, 2021 · rhino query. mcneel. Introduction to quick surface modeling for custom topography, and creating a site plan. How to build a curve over other surfaces? I would like to snap the curve’s control points to surfaces. 5 KB) Hi I am unable to use patch command to create a surface form the given contours. 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. 0: Chapter 10: SURFACE: PATCHOutline of Rhino Visual Tips at:http://v5. I’ve tried to hit Ctrl to click snap option POnSrf but it’s grayed out. It will smooth it out but retain the right features (you may have to tweak input settings) Oct 24, 2017 · The Smooth command averages the positions of curve and surface control points and mesh vertices in a specified region. Jul 17, 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. 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- Jun 11, 2016 · This video is in response to a user that wanted to make contour lines based on a topographic surface. 8 component to Add a Topography Region. If your workflow involves editing contour curves, you might want to try Jørgen’s TerrainMesh plug-in. Make a terrain from GIS data (level curves). I have also had good luck with the fair command in combo with the rebuild command. 0) study material, accessible in the palm of your hand, anywhere, anytime! F Join Dave Schultze for an in-depth discussion in this video, Creating topography with contours, part of Architectural Site & Envelope in Rhino. youtube. Use the Sweep2 command when you want to control the location of the edges of the Jun 17, 2021 · There’s a number of ways this can be achieved. 3dm (33. 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. 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 model is scaled down in Rhino at 1:25 000 to have a model of less than 18 inches square. If you have topography data in the form of contours saved as an AutoCAD drawing (. dwg) file and the contour lines already have z-values associated with them, you can proceed to step 2. Part 01 Feb 23, 2021 · Browsing through the forums, I came accross someone who apparently was facing the same issue as I have been facing. 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. There were a lot of duplicate curve segments in your file, and a few open contours, so you need to make sure you clean that up first. Make sure the curves are both created in the X-direction or Y-direction. Is there any other way to achieve this? Thanks Red= 0. In this video I cover the following:-Quick and dirty way Create terrain box out of terrain based on rectangle curves. The workflow is fairly straightforward: 1. Here is an example or one side of the square sweep. 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 May 11, 2021 · To get a terraced site model, it sounds like you found the appropriate way to create that - extruding the curves to the next level. I`m on Rhino 7 WIP. “Explode” rectangle and create planar surface CMD “PlanarSRF” for side parts. I’m looking to remove these to export clean and simple geometry from wireframe view. 3 meter Black= 0. Use the "contour" Rhino command to generate them from NURBS surfaces or meshes of the topography and buildings. Topography Component. The goal is to use this model to make a CNC milled topography As input, use the polyline vertices. There are several plug-ins that provides such tools on Food for Rhino. I tried to rebuild a surface, but my knowledge is too restrained yet so I can make it done. The contours can be curves, points, or hatches. 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. You must use at least three curves to activate this option. xyz files) and con Apr 13, 2020 · In this tutorial, we are going to create a Rhino Topography from an image using the Heightfield command. ) 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. Here is a quick tutorial to help using the Patch command to successfull Next, we will use Revit's topography feature. 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 Sweeping with two rails creates a smooth surface with from multiple cross-section curves and two rail curves. To have that work well, you need to have clean input curves. Hatches will not be created. Jun 21, 2023 · Learn how to create detailed topography in Rhino with these step-by-step instructions and tips. Here is a quick picture to let you understand. Furthermore, the curves should have the same length in the respective direction. Then you may have to trim the result with the outer most contour line. See examples and tips for creating smooth and accurate surfaces from curves. In terms of extruding curves to make buildings, I would suggest making sure the outline of the buildings in plan are closed curves. When you import the curves into grasshopper, you'll need to divide by length to provide points for the Delaunay component. Some folks were have trouble creating their terrain surface from the traced contours. As soon as the input curve is even just slightly 3-dimensional, the Boundary Surfaces component will fail. 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. Feb 24, 2015 · Thanks, this is useful, but I should have been more specific. Copy level curves to new layer 3. uvhtkul jexsdb mrync ibb rrgvpm miink imzn evbwktga hpvpsy cfgto