Rhino unroll surface uv. This seems to be fine for simple paper models, but would cause serious problems in more complex structures. ObjectType. Apr 12, 2015 · Hi Guys- I’m trying to unroll a polysurface with a texture map applied and, ideally, when that polysurface is unrolled, the texture is unrolled with it, distortions and all. 7 KB) PeterFotiadis (Pfotiad0) January 1, 2018, 1:41pm 2. Select the unrolled srf and “CreateUVCrv”, and when prompted select the stuff you drew. This creates a Polysurface. Original curve is shown in red and the blue curve is the one I maped back with flow along surface. If the Gaussian curvature is not zero on any point on a surface, then it‘s not possible to unroll it without stretching the material. But if you are using Rhino 5 and getting a warning message with 0. The interior of the curve's surface will be within this value. 02% is good. Squish. Project uses the Cplane normal and Pull will use the srf normal (s). With the unrolled surface, I apply my morphed grid and use Paneling Tools to morph a 2D pattern of curves to each cell of the grid. Curves. I want to make a composition of patterns projected on this polysrf/mesh so at first i want to project a pattern on it but the geometry needs to be unrolled or something like that in order the patternto spread on Nov 1, 2023 · Then trying it again on just the problem surface I got this: However, the Area command does work. ' blnExplode - Boolean, Explode the resulting objects. In short, compensate for May 5, 2014 · If you use FlowAlongSurface, it may work only if you first unroll your 3D geometry and then take care to select the same corner near the Base and Target surface. gh (9. the attached grasshopper file has the unroll components in it. Partial Friend Class Examples Public Shared Function UnrollSurface2(ByVal doc As Rhino. i must have downloaded this file from somewhere some time ago …. Feb 10, 2014 · Try this: surface. Reverse (0 or 1)). Aug 18, 2020 · The orientation of the unrolled surface depends on the direction of the UV isocurves. 3dm file with the geometry. Hi there, I made a sparate curves (frames) from a double curved surface (ship hull). 3 KB) design, model, present, analyze, realize buy download gallery features news community learn support resources my account sign in Jun 28, 2014 · The script isn’t designed to be used in GH, just normal Rhino where the command UnrollSrf only takes one object. Draw your stuff onto the unrolled srf. 1 MB) Jun 28, 2018 · The number of unrolled breps is OK. Otherwise smash will ignore that tolerance and unroll anything. Learn how to unroll complex surfaces in Rhino 4 with this easy-to-follow tutorial. I need to lay this flat so I can print a paper (sticker) net that I will use to stick onto a physical sphere. Apr 10, 2024 · Suppose we wanted to put a “Rhino” brand name in the black circle on this 3-D NURBS model of a shoe last. May 30, 2008 · Surface UV display mode. Point: Curves: C: The curves to unroll with the surfaces. Sep 15, 2016 · Too methods to get the edges to meet: Edit: Does not work for this type of shape. Hiya. RhinoGet. V5 Flatten curves and surfaces. Mar 4, 2011 · In this rhino tutorial we will show you how to smash and unroll your 3d models so you can move on to make physical models from them. unrolling Dec 17, 2013 · it seems the surfaces are not developpable, so it is impossible to unroll them rigidly. RhinoDoc) As Rhino. 0) study material, accessible in the palm of your hand, anywhere, anytime! F . Feb 9, 2018 · Grasshopper. Curve. The UV directions may or may not line up across your hexagons. The surface has to be linear in one direction within (length * RelativeTolerance) to be considered linear for that purpose. The gradient is smooth and seamless when I unroll one part of the surface, but when I unroll another part, it’s as though the texture has been reprojected onto the unrolled surface. Result Const filter As ObjectType = Rhino. [/quote] I believe this is offciially UnrollSrfUV now This is an older (V4) and generally less accurate in some cases, I guess, UnrollSrf that had the advantage of maintaining the UVs of the input Demonstrates how to unroll surfaces and polysurfaces using RhinoScript. In this Rhino 3D modeling technical question video, I would like to explain how "Flow" and "Flow Along Surface" work and the most common issues on using thos Apr 10, 2024 · Apply to Surface. Nov 19, 2021 · This video looks to understand how the creation of different surface types can affect resulting geometry. Here are a couple helpful commands and processes for getting your Rhino models ready for fabrication in the laser cutter. 1 MB) I find it easy to do flow along curve. The ApplyCrv command wraps a curve onto a surface. Only a subset of ruled surfaces are “developable” which means they have single curvature. 3 KB) Jan 20, 2023 · FlowAlongSurface. The ApplyMesh command uses texture UV coordinates to map a mesh onto a surface. As you can see from the example screenshot, the polysurface has curves (only single curvature) so one would expect the unrolled texture to be distorted, etc. Jul 26, 2015 · Will “UnrollSrfUV” be implemented for Rhino for Mac soon? I am trying to create what would be a doubly-curved metal sheet. The surface in the photo is developable, it can be unrolled without deformation. You might check this as well using the _Dir command on both surfaces Feb 15, 2021 · This is a zoomed-in screenshot of the top edge of a textured column /cylinder. Sep 17, 2015 · Flatten curves and surfaces. fragged8 (Fragged8) March 3, 2019, 5:05pm 1. gh (134. The UnrollSrfUV command in combination with FlowAlongSrf seems no longer possible in V6. Hello, I’m attempting to unroll a surface with a gradient texture on it. Rule surfaces can have double curvature. V6 Flatten curves and surfaces. This understanding can allow users to take advantag Sep 9, 2016 · This breaks a powerful workflow to unroll a surface with UV’s preserved as a means to create a flat canvas to model on the 3D surface. So, in Rhino, Squish is the best bet for this inside Rhino but you’ll still need some idea how the thing is going to be cut up and assembled so that you can Squish a reasonable section at a time Oct 2, 2020 · You need to create intersection curves between those crossing objects. Rhino for Windows McNeel Forum Rhino 3D CAD Technique #12: Difference between Unroll, Smash and Create UV Curve commands (有中文字幕) Unroll Ruled Surfaces in Grasshopper Heumann Design/Tech Dec 6, 2022 · Just make a contour of your shape. Mar 9, 2022 · The surfaces are 1:1 direct from an unroll operation, so i figured the UV mapping would be compatible. That should be OK, but if you check, one is 0. The smash command is, itself, going to be somewhat arbitrary. To do this, use the _Mesh command instead of _MeshPatch which has a different purpose. Then reverse the domain in that direction (surface. I don’t work with add-ons of any kind (except Kangaroo) so no idea what’s happening. Input. Rebuild the unrolled surfaces with straight edges. That helps ease the scale dependency. When it comes to flatten a shape, a commerical Rhino plugin named ‘Excatflat’ does it quite well. 1 KB) A sphere. Perfo…. Load Rhino file first for the demo cases (including yours). ' Description: ' Unroll a surface or polysurface. Aug 11, 2017 · Hello, I think this is a challenging one: I have a complex surface which I want to FlowAlongSrf a flat, 3D pattern onto without deforming the pattern according to the complex surface’s Control points/UV placement. Explode. On the curve that generated the surface, it has 5 segments that are smaller than 0. ( We’re working on the uploading problem- sorry about that. Rhino tries to bake the texture into a Nov 11, 2020 · Uses the UV directions of the base and target surfaces to map the object onto the target surface. http://rhinotutorial. A texture can be applied to the surface of a 3‑D model to add color, texture, or other surface detail like glossiness, reflectivity, or transparency. Helvetosaur July 7, 2017, 12:32pm 7. The problem I am having is that the vb in its current state does not include the option to select curves or points on the surface to unroll as a guide (something the rhino command does). In Rhino 4, surface and polysurface objects can be set to show their U and V directions by applying a new or modified display mode to a viewport or to individual objects using SetObjectDisplayMode. 3dm (1. unroll for forum. 3dm. I have drawn a curve in rhino over the development and used this curve to split the development. If I can reconstruct the surface within a specific tolerance using the borders and perhaps some intersection lines (against perpendicular planes/surfaces) to capture the inner structure, I then recreate the surface using loft or Sweep2 or some other tools 简而言之，如果一个曲面可以用一张纸构造，那么就可以确定它是可展开的，Rhino 应该可以展开它；如果你需要一张可被拉伸的橡胶才能得到的三维形状，它就是不可展开的， UnrollSrf 指令无法将其展开。. The picking locations on the base and target surfaces are not critical. They don’t consider Material deformation and other Material related properties. A "sphere" made from developable panels. i didnt mean inverting the surface normal or curve direction but replacing u with v and vice versa. Dec 19, 2021 · #Rhino3D강좌 #라이노강좌 #3dModelingRhino 3D 입문자들을 대상으로 하는 강좌입니다. Partial Friend Class Examples Public Shared Function UnrollSurface(ByVal doc As Rhino. It will be integra In short, if a surface can be constructed with paper, then it is determined to be developable and Rhino should be able to unroll it. Hello, I’m trying to make a plan 2D surface of this 3D surface so I can run the make 2D command and export it as a vector, for a designer that will draw a Apr 24, 2021 · Upload a . rfollett October 2, 2020, 10:58am 3. Flatten (develop) a surface or polysurface with curvature in one direction to a planar surface. You will discover some useful tricks for managing compound curves and creating accurate flat patterns. Jan 19, 2018 · We will discuss the application of UV curve and the difference between apply uv curve and flow along surface. Relative tolerance is used in the evaluation of intrinsic properties, such as computations "along" the surface or brep. unroll with contour. So, I’m working on a project on map projections that deals with unrolling geometry and joining it together in 2d without any overlaping, and I ended up with this problem: After unrolling a surface (whether in rhino or grasshopper) is there a way to identify the edges that used Aug 24, 2014 · unroll surfaces. -Pascal. sheet roll_PG. Dec 3, 2013 · ShrinkTrimmedSrf. Sep 7, 2016 · If it’s a decal. Rhino has a command to unroll a surface (Surface>Unroll Developable Srf). 0005, one is 0. If you need a sheet of rubber to make the 3-D shape, then it is non-developable and the UnrollSrf command will not unroll it. It looks like it is an open surface with zero thickness - are you going to join it to another surface Sep 21, 2015 · The latest and greatest (and most affordable) Architect Registration Exam (ARE 5. However, as you can input lists of breps in GH, as far as I know, the normal Unroll component should work fine to unroll multiple objects. I created the 3d surfaces to be developable in the hope that it would unroll and map nicely. If the base or target surface is trimmed, the underlying surface is used for mapping the object. Z or Y = Height. 3dm (2. Sep 4, 2019 · A cone is a developable surface so I expected this to be easy, but as you can see in the attached image, when Rhino unrolls the surface and applies the baked texture, the texture is wildly distorted. The lengths of some edges may then need to be modified so the lengths of adjoining edges are identical. C. Use Rebuild with degree 1 and 2 points in each direction. Flatten a non-developable (curved in two directions) 3-D mesh or NURBS surface into a flat 2-D pattern. – Dale. ApplyMesh is sensitive to the u and v directions of a surface. Thanks! R Compton. Sets the tolerance for the interior curves. it works. Mapping transforms a 2‑D source image into an image buffer called a texture. Retrim the result with the unrolled curves. Oct 9, 2014 · The best case is to see the unrolling of all curves in one surface (2d) and they all starting from one side and unrolling to the another side. thanks Dan, file attached. alxwu November 6, 2014, 9:42am 10. I unrolled this surface using the unroll brep component from the free grasshopper plugin called lunchbox. Select all of the UVCrv stuff including the UV rectangle. My Dec 8, 2017 · UnrollSrf UnrollUV UnrolSrfOld Smash SmashOld (FlowAlongSrf) Serengeti (Rhino 8 BETA) Hi Willem - I think: Yes - fairly strict about developability. Hi all. A sphere for example is a surface with compound curvature. Surface Dim objref As Rhino. use Bake to make that into a material with a texture. This video tutorial explains the difference between Unroll, Smash and Create UV curve commands that often get confused. Then use the TextObject command to create the white “Rhino” text as curves on the 2-D pattern. Hello everyone! My first question in this new forum. IN the attached file, I just flowed a bunch of curves to make it faster but the idea will work with the polysurface. In the picture I show the effect of the unroll surface using the option “keep properties”, but that’s May 16, 2023 · Hi @Slone, Can you provide a 3dm file that contains a surface you are trying to unroll and main UV? Thanks, – Dale. The lines where the mesh intersects on itself could become the new edges of the model. Jul 31, 2020 · The original surface was created using a ruled surface and 2 curves. None of them are correct. However, when one unrolls the polysurface, Rhino seems to just May 7, 2018 · This sweep1 surface is a developable surface. Optional curves to unroll with the polysurface (Brep) or surface, curves should lay exactly on the polysurface (Brep) faces or surface. 001 length, the file tolerance is 0. Then Project or Pull to get the curve onto the polysrf. I have “flattened” the surface using Smash, but there is a command “UnrollSrfUV” that can preserve UV direction, however it doesn’t seem to be implemented The edges of the surface will be within this value from the edge curves. But on the other hand you may find the attached usefull. Point. Aug 15, 2010 · unfold single-faced or multifaced brep surface. 以数个可展开的平面组合而成的类球体。. ApplyMesh only accepts meshes with UV coordinates embedded. If the curves themselves are farther apart from each other than the tolerance values, the best guess is made at the surface. Poly Surface: B: The Brep to unroll. The surfaces are the triangles of a mesh. Commands. Smash 指令可以 Jan 28, 2016 · The latest and greatest (and most affordable) Architect Registration Exam (ARE 5. Interior curves. UnrollSrfExp01. Since I want to make the form from a single sheet of metal I want to be able to lasercut it accurately. Apr 10, 2024 · Mapping transforms a 2‑D source image into an image buffer called a texture. 5 ApplyCrv. 보다 자세한 내용은 도서출판 Nstart의 Oct 18, 2019 · unroll_squish_smash. The unrolled shape is about 96% accurate (judged by difference in surface area between unrolled and original surfaces). Upload, livestream, and create your own videos, all in HD. Squish may help. Apr 9, 2024 · In short, if a surface can be constructed with paper, then it is determined to be developable and Rhino should be able to unroll it. Number: Frame: f: The Frame to place the unrolled geometries onto: Rectangle: Alignment: align: The alignment of the Dec 16, 2015 · Rhino Rhino for Windows. 7 KB) TomTom (Tom) October 18, 2019, 12:21pm 2. (curve --> curves from object --> intersection) After that when you use “unroll” opt - select surfaces accept and then you need to select curves you want to have on unrolled surface. archimax (Max Malein) June 9, 2017, 3:21pm 1. Feb 2, 2014 · However the order in which you do it is important: Unroll developable srf. Unroll surface, unjoin edge, smash. 9 KB) Apr 17, 2019 · I’m having some issues with the unrolling command in rhino. 3dm (195. 3dm (106. 3 MB) I used _Extrudecrv to create the Surface. To change the direction of either u, or v: get the domain of one of these (uvStart, uvEnd = surface. If you then look at the baked texture bmp, also attached, I think you can see why this is happening. Dan. Curve: Frame offset: off: The offset of the frames on the construction plane. The problem of how to represent the texture in 3-D rendering can be overcome by means of uv‑mapping. For instance, make a wood grain texture tile. So you may end up having to script the command. This plugin software is already integrated with Rhino3d and Autodesk Inventor and AutoCAD. 0002 and one is 0. Developable surfaces are surfaces that can be formed by rolling a flat sheet of material such that the material does not stretch, tear, or wrinkle. Sep 23, 2009 · and the rhino base file here: unroll test. 83% smaller. ObjRef = Nothing Dim rc As Result = Rhino. UntrimAll with KeepTrimObjects=Yes (need to post-select to see this option) UnrollSrf, and choose the curves left by UntrimAll as the curves to unroll. Optional number which will explode the unrolled polysurface (Brep) faces as a disconnected linear array spaced apart by the amount of the number, unrolled points and curves Sep 17, 2018 · UnrollSrf is for developable surfaces only i. It may pay to make sure the render mesh is pretty dense, or Mesh the object fairly densely and squish the mesh - the process uses the render mesh by defaut and if this is sparse, the texture may not look very clean on the squished object. Is there a way to get a surface like that in 1:1 scale? Cup. I’m using unroll surface uv to get the surface but in this case its 16. Still its not perfect, just saying this topic is much more Jun 9, 2017 · Rhino Rhino for Windows. These are the result of intersection with other crystal forms that intersect it. Domain (0 or 1)), then create a new domain but with reversed negative values of previous one (-uvEnd, -uvStart). I’ve noticed that if i unroll a curve from a surface and then try to ‘Flow along surface’ back it doesn’t match the original one. anon55473861 July 7, 2017, 11:49am 6. Very simple example of a ruled surface with double curvature is a ruled surface created using two straight lines which are non-planar. The unrolled surface is oriented so that the U direction is generally aligned with the X direction of the CPlane and the V direction is generally aligned with the Y direction of the CPlane. Feb 15, 2022 · This video explains how to create texture UVs for multipart meshes in Rhino 3D and export the results to Substance Painter for further texturing. Brep Or Rhino. com/ Jan 29, 2013 · For your end grain texture, make that part of the model a separate selection and use a different texture in the material for that object or the quick method is to just change the tile amounts in the UV settings (not the material itself) for the selection. RichardZ: Sep 1, 2019 · andrew. To make a new wireframe display that shows U and V directions, open Options > Appearance > Advanced Settings. Dec 14, 2016 · Think of a series of curves on a curved surface, kinda like unrolling a line drawing logo from a Coke can. The aim is to export this column as a . 1 Like. Brep_unroll_V1A. I have used the copy trim component to trim the sweep1 surface with the curve I’ve drawn in rhino. I need it to make some detail drawings for fabrication purpose. E. To increase (thicken) the flat spoke surface, use _ExtrudeSrf and set the option _Solid=Yes from the commandline. this will be the map I use for drilling screw holes and also for checking rotation on the 3d printed crystals that will be on the outside. A difference in area of 0. nowicki: convert trimmed surface to untrimmed surface without changing its shape. Jan 6, 2018 · so I have a sphere that has a bunch of curves on its surface. Make some transformation. Angle Dec 31, 2017 · Unroll-Untrimmed. Unroll Surfaces Developable Surface. Also see the help on UnrollSrfUV for V5. Oct 20, 2020 · How to Unroll an object to create a template Oct 24, 2017 · Developable Surface. Apr 28, 2021 · Hi Steve- the sort answer is you cannot cleanly unroll non-developable surfaces. You must then also map the u and v curves along with the curves you are applying so they will act as a placeholder. This video Aug 2, 2013 · The command works on surface domains and a polysrf is going to have more than one. The starting point of all unrolled curves (the straight lines) will stays the starting point of the curves. The successful one (see screenshot) was unrolled with “Keep Sep 20, 2013 · The solution is to extend the curves and then trim the surface. 0007, one is 0. Permalink Reply by Daniel Xiong on December 17, 2013 at 11:07pm you could bake the surfaces and curves, then try the "unrollsrf" in rhino Next I want to unroll (flatten) my developable surface and apply my morphed UV coordinates to that surface. First unroll it and then place your line work on the unrolled version of it. SO I was watching a Rhino video and making notes of the commands used and one of the commands was to unroll a surface to do some work on it and then the command to return the flattened surface back to the original shape was ’ RollBackUp’ ? I can’t find this in Sep 6, 2013 · Unroll developable srf; Draw your stuff onto the unrolled srf; Select the unrolled srf and “CreateUVCrv”, and when prompted select the stuff you drew; Select all of the UVCrv stuff including the UV rectangle 5 ApplyCrv; Yeah I know, not intuitive, but it works Jul 6, 2017 · Yes, try the Dir command in Rhino. Change the settings at the top for rigid, no distortion, etc. Note your actual canvas will not be the same shape as this surface - it will have folded in places to make up the difference between that non-devlopable compound curved shape and the flat canvas. I should add that RhinoCommon doesn’t provided a UnrollSrfUV function. Try rotating the flat red curves in Front using the gumball. --Mitch. In the current implementation, relative tolerance is used to decide if a surface is flat enough to try to unroll. gh (13. Finally, use the SquishBack command to “unsquish” the white Rhino ApplyCrv | Rhino 3-D modeling. STL file so I need a valid closed mesh. I need to unroll a curved surface keeping the texture with the exact same position as it was before unrolling. cshea (Cshea) June 28, 2018, 5:00pm 3. 5 in the U and 20 in the V and it can Aug 20, 2010 · I am attempting to use a vb component posted by Marc Hoppermann some time ago which uses a vbscript to call in the rhino unrollsrf command. ExplodeOutput = false; List breps = new List (); int num = unroll. 0001. 0004, one is 0. Sets the relative tolerance for the unrolling operation. Ahh, wait - there isn’t an UnrollSrf component in normal GH… Hmm, could have sworn there Mar 3, 2019 · Rhino Rhino for Windows. Then use flowalongsurface with the unrolled version as the base and the version in your photo as the target. GetOneObject("Select surface or brep Apr 3, 2024 · Hello, I want to unroll some simple Surfaces in the right scale. With Rhino you can display the Gaussian curvature graph and analyse if a surface is developable. Measure the length of each contour. 犀牛3D CAD技術＃10：什麼是犀牛3D UV曲線？👉 Share this Video: In short, if a surface can be constructed with paper, then it is determined to be developable and Rhino should be able to unroll it. Note: Use the CreateUVCrv command to generate planar versions of the u and v curves of a surface so you can use them as a guide to orient your text. I’d love to know the root of the problem and how this could be done differently. Examples of this type of shape are cylinders, cones, and some steel ship hulls. matt December 3, 2013, 5:18pm 3. I had an idea, and bare with me here: First deform the flat pattern so that it re-deforms (to the correct shape) when it is Flown onto the complex surface. If the target surface is trimmed, the untrimmed surface is used. ' arrCurves - Array, The identifiers of one or more curves to unroll. dale (Dale Fugier) May 17, 2023, 6:37pm 9. 0) study material, accessible in the palm of your hand, anywhere, anytime! F Oct 28, 2015 · A surface or polysurface can be meshed in Rhino too, which means you create a mesh object. Extract an isocurve from the object you want to place the other object, measure the length of the isocurve and than make a curve of the same length (base curve) next to the object you want to flow. 3dm (399. i tested the UnrollSrfUV but in the mode “natural” its not working … and in U or V direction it just unroll in one direction. e. Dec 4, 2017 · Now, there is another command that we can use which is called unroll surface UV, and this is a version of the smash command that will actually preserve the UV direction of the target surface. Sometimes, the surface directions after using _UnrollSrf get reversed or flipped which may cause a strange result. UnrollSrf. You can either drag the file to where you type a post or click on the vertical arrow ico above where you type a post. 简而言之，如果一个曲面可以用一张纸构造，那么就可以确定它是可展开的，Rhino 应该可以展开它；如果你需要一张可被拉伸的橡胶才能得到的三维形状，它就是不可展开的， UnrollSrf 指令无法将其展开。. First use the Squish command to generate a 2-D pattern of the last. Apr 20, 2016 · Flow the object from the plane to the cylinder - with History recording turned on, you can modify the position. ) -Pascal. surfaces which could be made from a material that bends but does not stretch or compress, like paper. The curve is in the attached file. X = Perimeter length. 02% difference in area then there is probably another problem with your surface. Meshes imported from STL files do not work. Unroller unroll = new Unroller (brep); unroll. I have a model consisting by surfaces in the form of a polysurface/mesh. Close! The curves just aren’t part of the surface, they are projected onto it and need to be unrolled along with the surface. If you have the surface and the curves you can use the CreateUVCrv command. Smash 指令可以 Nov 18, 2020 · PanelingTools for Rhino tutorial to show how to create paneling patterns using the UV directions of a NURBS surface. DocObjects. Nov 11, 2020 · Developable Surface. Transpose () will swap values of u and v. Brep: Points: P: Points to unroll with the surfaces. GetOneObject("Select surface or Feb 11, 2014 · i dont need the same structure although it would be nice to control that, anyway the adge “2” and “0” is totaly strait cause of the 1 degree in this direction. Jan 16, 2019 · Developable Surface. HTH, Steve. Rhino has commands to create and unroll developable surfaces with holes and marking curves. The N direction is defined from UV directions by the Right-hand rule. You can extract one though and use Extend to lengthen it. ' Parameters: ' strSurface - String, The identifier of the surface or polysurface to unroll. co vx mb hs sm fc br jr zt zb