Rhino explode mesh. Rhino for E57 import, explode, *.
- Rhino explode mesh i understand this is a very complex and large mesh, however is there a way to explode so that i can just delete some of the mesh? Calvin. Is there anyway to perhaps explode them and then convert them to NURBS surfaces or Meshes. Dec 26, 2014 · 自从上次水塔视频教学后，很多朋友说没有这个插件(其中使用的 Mesh from points)因此补上，这插件可以说是想进一步学习，必须安装的Plug-In for: Analysis & Simulat [插件] MeshEdit 网格编辑额外工具摩登犀牛 Nov 8, 2023 · Hi Albert - I’d use Explode to get down to just the meshes. That is the time i realize there is no Mesh Explode even if im lookin for it manually without typing in. ExtendSrf select first edge to extend enter extension “length” right click. Offset the remaining mesh inward using OffsetMesh. Meshes in Rhino consist of triangles and quadrilaterals. displacementScale to the mesh material. Non-meshable objects (curves, annotations, clipping planes, etc. Rhino - Grasshopper - Explode Tree Explained (by miled_72) Resource File Jul 22, 2013 · Turtle is an open-source plug-in to handle ngon meshes in Grasshopper. It can be a triangular, quad or ngon mesh. it seems like there must be a command for this. RH-62722 Explode: No warning on dense mesh @Gijs - there is a line of code in there that skips the warning under some circumstances - The developer is going to comment that out in the next round of releases. You can select objects and explode them - make them move radially from the center of the composition. mcneel. Is there a simple way? I tried a lot with chatgpt and the documents provided but i failed totally… this was my last attemp: I wanted to explode the mesh afterwards… import rhinoscriptsyntax as rs import Rhino mesh = rs. If you see inside the mesh, normals point the wrong way. Decompose a mesh into its faces Inputs. I exploded it and got this. Rhino for E57 import, explode, *. Because of this, the surface will always sag more than the original. ) So then I use a plane to cut through the meshes by using the Mesh. I came across the BlockManager but am struggling to understand its purpose. Use UnifyMeshNormals. 16 Explode and join (5:52) 15. If a mesh is completely unwelded, then it will explode to its individual faces. I'm modeling in rhino 7 and want to edit the materials in blender, however every time I import a mesh from rhino and try to position a displacement map over it, my mesh explodes. When Rhino creates a seamless (closed) mesh from a complex closed polysurface NURBS object, the resulting mesh, when exported, can make a mesh that is too large to be imported into other In this Rhino Grasshopper Tutorial You can learn how to convert a pipe Variable surface to a triangular mesh. Feb 2, 2025 · Lightweight extrusion objects use less memory, mesh faster, and save smaller than the traditional polysurfaces. In this grasshopper tutorial, we will learn the basics of the Explode Tree component. The simple meshes that result from exploding the joined mesh may be small enough. 7 KB). Working with a mess of points is difficult, and I'd rather have a mesh out of Rhino. Trimming curves lie on the underlying surface. 3 Mesh boolean union, difference, intersection, and split (5:11) Jun 7, 2022 · I was never really able to solve display issues that happen with some models inside Rhino… I always thought it had to do with mesh normals, but I was never able to solve this problem with UnifyMeshNormals. (with also a completely unweld mesh) Is this a bug? Oct 26, 2019 · Rhino. ). It creates a sub-layer for every single block instance. Oct 21, 2015 · Hi Pascal! Not exactly. Does this have anything to do with the installed grasshopper version? or does Jun 4, 2012 · i've got a DXF file which is in mesh that all the separate objects are in one single mesh. Jan 14, 2021 · M is the mesh you want to morph the geometry onto. Released on 2019-Sep-12. I have been trying to separate each mesh using explode, ungroup in rhino and the mesh edit grasshopper. image 1290×774 652 KB. If custom color is set there, all other edge types follow, which IMHO is a bug - Rhino should still allow to customize these, even if we override the main mesh color. Features 0 video tutorials. Can AutomaticSubDFromMesh. Mesh Mesh parts and mesh faces. docs. I conducted some tests with the doll, but when I use the MESHTONURBS tool to convert it to a solid, Rhino Workflow is : Autodesk Recap for point cleanup and export to E57. The number of surfaces is the same as the number of mesh facets. included components: utilities: Mesh from points; Mesh cull unused vertices; Mesh flip; Mesh unify normals; Mesh weld vertices with threshold; analysis: Mesh Area; Mesh Volume; Mesh explode; Mesh convert quads to triangles; Mesh add attributes; Mesh extract Meshedit is a set of components which extend Grasshopper's ability to work with meshes. The point cloud object type improves Rhino's performance when handling a large number of point objects imported from external files. Name ID Description Type; Mesh: M: The open or closed mesh: Mesh: Interpolate: I Option Explicit Sub ExplodeMesh Dim mesh mesh = Rhino. Explode the mesh into sub-meshes where a sub-mesh is a collection of faces that are contained within a closed loop of "unwelded" edges. Free Example File👇https://parametrichouse. Dup edge demands that I pick every edge manually, there are thousands of them, the mesh is super dense… mesh outline flattens the curve but I need the Z axis variety. The Explode command breaks objects down into components. Delete specific faces to create an opening. There’s also an open feature request to be able to split from an edge loop and another to be able to Explode based on creases. 1 computers and Jun 23, 2020 · ExtractSrf a face loop and then Join it to one side or the other will work now. Runtime. That should convert each element into its own object. Mar 24, 2016 · Hi Rui - the way to handle this now is to Mesh the object, (i. Use SelColor to select (thousands) meshes of the same color and Join. 1. MeshFaces(mesh, Feb 13, 2016 · 图一是我想要的，可是我的grasshopper里貌似没有，，我打开别人的文件，提示缺少插件，急急急，，，，，，，跪求解决办法 Jun 12, 2011 · Actually you are right, the mesh explode in GH is different from the one in Rhino. When Rhino creates a seamless (closed) mesh from a complex closed polysurface NURBS object, the resulting mesh, when exported, can make a mesh that is too large to be imported into other Rhino doesnt like meshes that well, but try a different method: draw the rectangular shape as a sketch with lines from the top view. Set the number to 180 (the angle threshold), make sure objects is checked then press "explode". When Rhino creates a seamless (closed) mesh from a complex closed polysurface NURBS object, the resulting mesh, when exported, can make a mesh that is too large to be imported into other Jun 4, 2012 · i've got a DXF file which is in mesh that all the separate objects are in one single mesh. Unwelded mesh edges are edges where the mesh faces that share the edge have unique mesh vertices (not mesh topology vertices) at both ends of the edge. Apr 5, 2012 · Where is the MESH EXPLODE component in the last vesion of gh? I don't find it! 3D Point Cloud from image using Rhino Grasshopper and AI Depth Estimation Marigold Mesh parts and mesh faces based on unwelded edges. I’m sure I might have a misconception of what actually Explode Mesh means, because when I try and explode the mesh in Rhino the same thing happens. com/p Hey! Just like the title says. right click to repeat command ExtendSrf select next edge to extend right Mar 7, 2012 · Iam trying to recreate uto's explode mesh (creates new mesh from every single meshface) Private Sub RunScript(ByVal meshIn As Mesh, ByVal dirVec As Vector3d, ByVal makeQuads As Object, ByRef triangulated As Object) Dim meshList As New List(Of Mesh) Dim meshInQuad As New Mesh meshInQuad = meshIn Dim meshDT As New DataTree(Of Point3d) From me, the OP: are there any rhino commands that will convert it directly to a smooth surface? Or is there anyway to explode it into points and use a command to reconnect all the points into a smooth surface? any and all tips would be much appreciated. In grasshopper i made File>File setting> Component File and than the grasshopper libaries opened. Analysis Util Mesh Explode. Jan 21, 2020 · I downloaded a gear from Grabcad. Sep 8, 2017 · So I encountered this bug/issue today and wanted to share it with you. youi get a seamless mesh at joined edges) then hide the polysurface, explode the mesh and apply materials per object from the result. Export in Jun 4, 2012 · i've got a DXF file which is in mesh that all the separate objects are in one single mesh. com) to flatten the object with distortion. The solution I found was to convert the surfaces to meshes inside rhino, select all vertices and use the command WeldVertices, then export as single mesh normally. It would not, and I get the error, “Cannot explode a single surface. Iges out. Jul 8, 2024 · Hi everyone, I’m seeking help with creating a pipeline to convert a mesh to a solid in Rhino. should give the same result but without the problems :) Jul 10, 2018 · I use to had similar problem exporting nurb surfaces as meshes for sculpting. The information that defines the objects is completely different. Explodes each face of a mesh into a new single faced mesh which maintains vertex colors and whose normals can either be rebuilt or retain the existing Feb 9, 2021 · Hi Gijs - thanks, I have your file and I see the problem here as well. Unweld(mesh,0,bool(0)) but i get this: Rhino. 4. #grasshopper3d #rhinograsshopper #mcneel-~-~~-~~~-~~-~-Please watch: "3D The Mesh command creates a polygon mesh from a NURBS surface, polysurface, or SubD. Polylines will be exploded into line segments. What’s the best way to “explode” all of the selected surfaces into their edge curves? From searches of the Forums, as well as Google, it appears not to have a simple explanation. Aug 12, 2013 · I would like to get just the profile curve from a landscape mesh to use as an extrusion line. GetObject(“Netz”) rs. Use the Flip command to change the mesh normal direction if necessary. 3D ---Exploding & Cuttingcadxneter@hotmail. Syntax. Any guides on how to Oct 24, 2017 · Mesh parts and mesh faces based on unwelded edges. Rhino. I’m using “rs. geometry. The PointCloud command creates a set of vertices from selected point objects or a mesh object to facilitate selection and faster display. Execution Mesh parts and mesh faces based on unwelded edges. What does it mean to explode a mesh? Nov 11, 2020 · Mesh parts and mesh faces based on unwelded edges. The waterjet guys don’t want surfaces; they want simple curves. Explode support Mar 3, 2017 · Explode select polysurface to explode right click to explode. Why does my surface change in this way when I explode it and can I get rid of the extra lines that were made after exploding once the object has been reformed into a closed surface again? Reply reply Some Rhino commands work only with untrimmed surfaces and some software does not import trimmed NURBS surfaces. The Explode Mesh function allows us to separate multi-part mes Apr 6, 2015 · Exploding a mesh is a key skill in handling meshes. The holes are for screws to put everything together. eVe|explode is a very simple plug-in. displacementMap + . –jarek Rhino Visual Tips V. Rhino creates triangles and quadrilaterals meshes for exporting to various file formats. I clearly don’t understand meshes enough. Rebuild or cap any open edges manually. Mesh. An array of cutters can be created using the Array command, which takes one object and duplicates it in X-, Y- and Z-direction for a given number of times and distance. Feb 1, 2003 · MeshPlus ADDON. Jul 7, 2024 · Explode the mesh if needed. It makes a very large file, for one tree…-Pascal Aug 14, 2024 · If all you’d need is to explode the mesh (regardless of the complexity of faces) - just mesh. close up Jun 12, 2011 · Still mesh disjoint seems to leave a mesh as one piece. Jun 12, 2011 · Actually you are right, the mesh explode in GH is different from the one in Rhino. Mesh Explode. Silly me, for ease of moving I decided to join everything together instead of grouping… I saved my file and closed it. if extension length needs revising then Undo and repeat above with revised extension “length” if extension length is okay then. Map | Uses Barycentric mapping to morph geometery into mesh face bays Explode the mesh into sub-meshes where a sub-mesh is a collection of faces that are contained within a closed loop of "unwelded" edges. leex October 26, 2019 Tou can also extract meshfaces off an object and this will make a new joined mesh of the extracted faces. ) ShrinkWrap in Rhino 8: Rhino 8 introduces a ShrinkWrap feature that can create wrapped meshes from various geometry types, including meshes. Make | Creates meshes from a series of geometric inputs . However, I’m facing significant challenges. Jan 16, 2013 · In Rhino for Windows they area at File > Properties > Mesh or Tools > Options > Mesh. In Rhino for Mac they are at File > Settings > Mesh. meshedges Rhino. Thanks! Oct 21, 2013 · Hi, I’m trying to explode a mesh into its faces. However, Rhino has a few commands for drawing curves on meshes and extracting vertex points and other information from mesh objects to assist in using mesh information to create NURBS models. May 25, 2023 · Hello! I’ve got a big mesh, a city model, which consists of many unconnected parts, the buildings. A submesh is a collection of mesh faces that are contained within a closed loop of unwelded mesh edges. Provides 136 components. Under the "Edit Geometry" rollout there is a button called explode. included components: utilities: Mesh from points; Mesh cull unused vertices; Mesh flip; Mesh unify normals; Mesh weld vertices with threshold; analysis: Mesh Area; Mesh Volume; Mesh explode; Mesh convert quads to triangles; Mesh add attributes; Mesh extract Option Explicit Sub ExplodeMesh Dim mesh mesh = Rhino. New in Rhino 9; New data in Rhino 9 3dm; On-line User's Guide; System Requirements; Video tutorials; Commands » Get Help » The Rhino interface » Create objects » Selection commands » Edit objects » Object snaps » Organize your model » Text and dimensions » Document Properties » Global Options » Object properties » Display modes In this grasshopper tutorial, we will learn the basics of the Explode Tree component. When I click on it, it'll say 1 hatch selected and I'll type explode and it'll give me the linework so I can MAKE2D my perspective section. Dec 3, 2014 · For meshes there are a lot of similar commands that start with the word ‘Mesh’: Split -> MeshSplit for example. ExplodeMeshes (strObject [, blnDelete]) Oct 9, 2018 · In the Rhino acceptation of the term, there seems to be no way to explode a mesh in GH, meaning “separate subsets of welded faces into distinct meshes”… I find it confusing that GH gives the same name to a tool which explodes a mesh in its constituent faces, even if it makes more intuitive sense as GH phrases it. I'm working in parallel view in rhino and I I'm trying to explode a hatch but it won't explode. In summation, at this point, it seems that the best way to get colored mesh faces, into illustrator, is to export the meshes, (which really ends up being the mesh face edges…curves), and bringing them into illustrator and running a quick script to swap the colors. windows, mac. In Rhino you would need to unweld (deg 0) and then explode Permalink Reply by Dedackelzucht on June 14, 2011 at 4:09am Feb 8, 2024 · Rhino 7 explode mesh : no warning message? Rhino for Windows. The problem with this command is it's selecting the faces rather then trimming/splitting them. Cage controls: Curves, surfaces, cages Apr 6, 2015 · Exploding a mesh is a key skill in handling meshes. You might need to redefine some faces in your mesh, or you might want to colour a mesh face-by-face. thank you for your assistance Convert the plane you are "MeshSplitting" with to a high dense Mesh and try again. 03. This surface may be larger than the trim curves, but you will not see the underlying surface because Rhino does not draw the part of the surface that is outside the trim curves. Version 2. 5: 511: February 9, 2021 Explode Large Mesh - warning inefficiency. I really just wanted the outer ring and thought it would explode further with the fillets being separate parts. If the two points are from different “sub-meshes” of a joined mesh, the meshes become one mesh that cannot explode. When Rhino creates a seamless (closed) mesh from a complex closed polysurface NURBS object, the resulting mesh, when exported, can make a mesh that is too large to be imported into other Sep 30, 2020 · Hei Doesn anyone know why i cannot explode this mesh. Meshedit is a set of components which extend Grasshopper's ability to work with meshes. When Rhino creates a seamless (closed) mesh from a complex closed polysurface NURBS object, the resulting mesh, when exported, can make a mesh that is too large to be imported into other The PointCloud command creates a set of vertices from selected point objects or a mesh object to facilitate selection and faster display. Thanks for the help! Mesh Explode. toNonIndexed (this separates vertices in a way that triangles stop sharing vertices and every triangle can be moved independently), then apply . close up Jan 29, 2015 · eVe | explode. ) will be ignored. Jan 22, 2025 · Hi, im a beginner in Grasshoper. MeshFaces(mesh, A submesh is a collection of mesh faces that are contained within a closed loop of unwelded mesh edges. Modify | Changes topological properties of a mesh . In Rhino you would need to unweld (deg 0) and then explode Permalink Reply by Dedackelzucht on June 14, 2011 at 4:09am Jan 13, 2023 · Hi Everyone, After many hours I finally finished creating my object. This param allow to maintain Turtle information in Grasshopper document. e. Any geometry inside the reference triangle gets morphed to every triangle in the mesh. Apr 10, 2020 · I’m now using the Ngons plugin’s “explode mesh” component in my definition after the ghpython “addngonstomesh” component to explode while preserving Ngons. SubD. When Rhino creates a seamless (closed) mesh from a complex closed polysurface NURBS object, the resulting mesh, when exported, can make a mesh that is too large to be imported into other Sep 9, 2024 · Hi Guys, I try to split a mesh into single faces. Actually it is a tool, a command that helps you visualize and view your designs in an interesting and practical manner. Tutorial by Kory Bieg. Thanks! Edit: I'm using Rhino 7 Drape works over meshes or meshable objects (surfaces, polysurfaces, etc. com Explode | Rhino 3-D modeling. ” I was unaware a object like this could be a single surface. Code. ExplodeCurves. I would like to get the same output as you would get from the Grasshopper component “Mesh Explode”. Edit | Alters the physical and makeup of a mesh . It is though to be a common language among any plug-in that needs fast and most-generic mesh structures, allowing faces with any number of sides. In RhinoWIP Windows use the SaveAs option to choose the v6 format. Knowing the different ways is a good way of demonstrating you understand how to manipulate meshes. close up Nov 2, 2021 · When working with complex mesh models, it may be difficult to work on a specific part or area. Created by David Mans. After I get the culling working, I’ll upload a definition that ends with a single volume mesh for Rhino 6 and a definition that ends in the Mesh to SubD component in Rhino 7 WIP. The drop that finally overflowed the vase for me was this last mesh, which Aug 18, 2021 · opening e57 is fine but what can we do with them? i try to save as any format and it locks down/crashes i try to explode would like to edit so need in mesh format any ideas? Most posts are for earlier versions of Rhino and suggest cloudcompare or meshlab howeevr why doesn’t Rhino7 allow export/save As the commands are there? saved as wrl BUT couldn’t open on win10 and win8. For example here: This is supposed to be a white face in arctic mode. Polycurves will be exploded into curve segments. When Rhino creates a seamless (closed) mesh from a complex closed polysurface NURBS object, the resulting mesh, when exported, can make a mesh that is too large to be imported into other Add an edit mesh modifier. Thanks, in advance, for Weld the mesh setting the welding angle to 180 to make sure all vertices get welded. Turn on one sided rendering and shade the model to see if the mesh face normals point in or out. included components: utilities: Mesh from points; Mesh cull unused vertices; Mesh flip; Mesh unify normals; Mesh weld vertices with threshold; analysis: Mesh Area; Mesh Volume; Mesh explode; Mesh convert quads to triangles; Mesh add attributes; Mesh extract Mesh parts and mesh faces based on unwelded edges. When Rhino creates a seamless (closed) mesh from a complex closed polysurface NURBS object, the resulting mesh, when exported, can make a mesh that is too large to be imported into other Learning Rhinoceros. They are generally set globally for the whole model, but from V4 on, including Rhino for Mac, you can also override them on a per-object basis via the Properties panel. 5 + Savanna3D R5 (Tax included) 7. Explodes, or un-joins, one more curve objects. Feb 1, 2022 · I am testing a relatively new feature the “QuadRemesh” through the grasshopper eponymous “QuadRemesh” component. then take the rectangle and split within the top view. Jan 9, 2015 · I only tested this on my instance of rhino and Illustrator. Thanks in advance. I created a doll model using Metashape, employing the Mesh tool and adding texture (I also used the close hole tool to fill in geometry gaps). ExplodeMeshes(mesh)” but I just get back one mesh. But now when I open it and try exploding it to make edits, it says “Cannot explode 45 single curve segments, Cannot explode 166 single surfaces” Any idea on what I can do to break it apart into its Meshedit is a set of components which extend Grasshopper's ability to work with meshes. Split method on every mesh in the layer which returns an array of There is no easy way to convert a mesh model into a NURBS model. Oct 1, 2024 · Try Squish Squish | Rhino 3-D modeling or Smash Smash | Rhino 3-D modeling (mcneel. I’ve actually gotten what I needed, but have two questions for my own edification. For example if I use ExplodelocksToLayers to explode my imported concert hall geometry I end up with more then a thousand sub-layers under the parent layer ‘SEATS’ then another hundred layers under ‘WALLS’ layer etc. Note you can join disjoint meshes that share a material as well to reduce the number of objects. May 17, 2020 · In this tutorial, I cover the Explode and Join commands in Rhino 6, the 3D computer graphics and computer-aided design software. com Jun 12, 2011 · Actually you are right, the mesh explode in GH is different from the one in Rhino. Serengeti (Rhino WIP Jan 21, 2024 · Select | Allows for manual or parameter driven interaction with Rhino or Grasshopper meshes . Draw mesh objects Explodes a mesh object, or mesh objects, into submeshes. A mesh is a collection of vertices and polygons that define the shape of an polyhedral object. included components: utilities: Mesh from points; Mesh cull unused vertices; Mesh flip; Mesh unify normals; Mesh weld vertices with threshold; analysis: Mesh Area; Mesh Volume; Mesh explode; Mesh convert quads to triangles; Mesh add attributes; Mesh extract Aug 10, 2018 · I have several models, each of which contain a number of planar surfaces to be used as patterns for waterjet-cutting. So, two questions. Mesh+ is a set of user objects which enable a wide range of mesh editing, creation, interaction, and topology modification within Grasshopper 3d. What does it mean to explode a mesh? Mesh parts and mesh faces based on unwelded edges. Controls how box-mode TSpline objects in Rhino 5 3dm files and meshes with non-zero division levels in FBX files are read into Rhino as SubD or mesh objects. So rn im doin my practice in Grasshoper in part when i follow the instruction on the video tutorial that using “Mesh Explode” to explode the Mesh Plane that has been created. Is it possible to ‘explode’ the mesh in one go, in a way that results in each connected part becoming one object? The regular Explode will result in countless single face objects - not what I want. Drape samples locations in the render depth buffer (z buffer) and then uses them for the surface control point locations. If that doesn't work you can "SelMeshFacesByArea" and select the area you only want. Mesh. If I apply the options “Surface Edges” = Strict and “Guide Curves” = Brep edges it helps partly but the mesh is still far away for targe Brep shape Feb 20, 2020 · Hello, If you mean saving a SubD created with RhinoWIP and opening it in Rhino 6 the answer is yes. 3dm (79. May 11, 2015 · Hello Is there any function in the Rhino SDK that I could use to 'explode' meshes they way Rhino does when using the Explode command? It will also be useful to have an idea of the logic by which the Explode command e… Meshedit is a set of components which extend Grasshopper's ability to work with meshes. The Grasshopper assembly exposes a new param: TurtleMesh. In the end you should have 6 disjoint meshes. Geometry. Is making a mesh / patch in Rhino a good idea? I seem to have very little control over the block instances, all I can do is toggle visibility and move their coordinates. (Unweld > 0 degrees). Mesh parts and mesh faces based on unwelded edges. Any geometry inside the reference square gets morphed to every quad in the mesh, …and so on for the other polygons. Sometimes Rhino needs a equally dense mesh plane to trim a equally complex object. mileage may vary. In Rhino you would need to unweld (deg 0) and then explode Permalink Reply by Dedackelzucht on June 14, 2011 at 4:09am Nov 15, 2022 · I downloaded the newest mesh edit plugin from food4rhino, than i opened rhino 7 and grasshopper. If two naked mesh edge points of a selected mesh are coincident, and their neighboring faces are within the angle tolerance of each other, they will be replaced by a single mesh point. I have the following model that contains a mesh which is basically 3 meshes joined together: (I hope you can see that in the picture. Note: When Rhino creates a seamless mesh from a complex closed polysurface NURBS object, the resulting mesh, when exported, can make a mesh that is too large to be imported into other programs. In models containing large numbers of extrusions represented by traditional polysurfaces, performance can be sluggish due to the relatively high demand on resources. GetObject("Select mesh to explode", 32) If IsNull(mesh) Then Exit Sub Dim faces faces = Rhino. My goal is to generate a quad mesh base on a Brep so that the hard edges of the Brep will be preserved in the mesh. Note. MeshToNURB simply replaces each mesh facet with a simple NURBS surface. Sep 22, 2020 · Custom color only works if the first color (Wireframe color usage) is set to Use Object’s color. Solidworks for iges open and product design. This can be used to create a shell by Nov 5, 2024 · I am quite sure you can use Explode Mesh command, it will unjoin all meshes so you could then add material. Unwelded edges are edges where the faces that share the edge have unique mesh vertices (not mesh topology vertices) at both ends of the edge. jrfmyi kuvxd eqtvx sdzzbd iweyawas lyirgt nygr oaoejg syflty lun klvo hzhcn rvxwssvw bhljlo ugvjd