Explode block instance rhino. ActiveDoc blocks_expl = [] if rs. ExplodeBlockInstance (strObject) Sep 9, 2024 · "Explode Block Instance" component is changed to "Explode Objects" and works on all geometry types (except groups). Get information about block object. My current work around is to bake the block to the document as a hidden object and then explode said hidden object with the script. BlockInstanceId. InstanceReference Then ' this gets the objects in the block. AllInstanceDefinitions c=[i. Nov 6, 2020 · Hi, I am trying to get the Block Instances and transform them into their original positions by reading the File3dm that contains those Block Instances. Returns the block definition identifier of a block instance object. fighting Nov 8, 2023 · Hi, how can I convert this block into brep or mesh? i do eplodeblock but my laptop crashes and i use explode and I get block, surface and meshes tree. BlockInstances(blk,0) #assign the block that want to modify if not ids: return targ = rs. When I explode all block down to their bottom, I get 20000 objects. Therefore if you want to “explode” the blocks you have to get the block definition geometry, apply the transformation from the first block instance and add it to the document. Oct 21, 2015 · I have a geometry imported from archicad. This is my code: import Rhino as r F=r. RhinoObject In doc. All other objects are locked. I’ve posted about this for years, but it doesn’t look like anyone is going to change it anytime soon. I suppose that the geometry pipeline of old is made obsolete by the new “Query model objects” component Blocks allow you to: Save time updating instances by changing the definition. 3dm (2. Using the standard Explode command, I can access the Brep and M Sep 4, 2009 · The following code should extract all breps in a block. Single segment lines and planar surfaces. ExportLinkedBlocks Saves all the Linked and Embedded and Linked block definitions in the current model to a zip file. In V5 that doesn’t happen anymore. If you have, say, a box within the block, that box will come out as a closed box, not six surfaces. ExplodeBlockInstance(obj_baked) for blk_exp in exploded: if rs Jun 12, 2014 · Some background information first: We import STEP files created in Solidworks, and it is important that the object name used in Solidworks comes through to Rhino. It asks no questions, it just does it… import rhinoscriptsyntax as rs def RemoveAllBlocks(): rs. GetSubObjects 'here I put them in a list. GetObjects() explodedObjs = rs. Plane: Instance Count: ct: The number of instances of this block present in the In order to update the Block definition in the Rhino session, you need to "push" the definition from Grasshopper to Rhino. My issue is that I can get the Block nested geometry to show in the conduit but it is not drawing in the foreground like the rest of my object types. The big box contained the small box. Not sure why when I try to make it work recursivelly it doesnt work: def block_expl(block): #initialize the Rhino document to be modified. I’d forgot that I posted that. However, if I already placed a block at many locations at various angles/rotation, it’s important to pick exactly the same base point. ExplodeBlockInstance(Objs) print explodedObjs Dec 3, 2016 · Hi! I was so slow to put big use of blocks into my rhino workflow but now I am doing it! Anyways, It is often I have an element I want to repeat but on some special places (like the end, in contact with other things etc) I want to edit a block, usually cut it in half or whatever but is there no way to do that without exploding it first? Another thing regarding blocks. Rhino. PerformCorruptionTesting Used to test ON_Object* pointers to see if they are a brep or mesh that is corrupt enough to crash Rhino. Read(x) a=[i for i in F. This will work on both Block Definitions and Block Instances. BlockInstanceInsertPoint. File3dm. ) Get the block’s definition (instance definition) 3. Locking Layers. You can now edit the geometry in the block using any editing techniques. Mar 17, 2020 · Explode the same instance of the block. So if your block contained, say, a bolt and that bolt was a closed object, then exploding the block gives you a bolt which you can boolean directly, no need to join it back together. We’ve talked about adding this and so far the consensus seems to be that it would be much simpler and more generally useful to implement it as a separate post process command than to include it in the import process directly. Thousands of block instances orginized by layers. Objs = rs. Use a Block Library for better consistency with your team. This means you can update Block definitions without baking an instance to the document. ) Obtain the instance definition geometry. Explodes a block instance into it's geometric components. Hatch. BlockObjectCount(rs. LayerId(layer) #assign the layer that want to change to if not targ: return names = list(set([rs. Select all the bits you want in one of the split blocks and Block it, using the same insertion point. com mcneel/rhino-developer-samples/blob/3179a8386a64602ee670cc832c77c561d1b0944b/rhinocommon/snippets/from_rhinocommon/cs/ex Blocks. Problem that I am facing is that I cannot seem to unwrap the blocks within the referenced geometry. Groups. Decrease your file’s size on disk. If you want to keep the objects as blocks, explode them first, cmd+C to copy the exploded geometry to the clipboard, cmd+Z to undo, cmd+V to paste the real geometry back into the file. Explode vs. Paul8 July 18, 2017, Hi Paul - you should be able to explode any block instance one level, select all the bits and Block into a new block. The Explode command resolves Textfields as static text strings. When linked blocks are exploded, a layer tree for the objects is created. If a block has objects that are on the locked layer, but the block instance insertion point is not on that layer, the Jul 28, 2020 · What is the difference between a Rhino Block Instance, and a ‘normal piece of geometry’, in my case a… block? When you select the object in the Rhino viewport, does the command line read the following? 1 block instance added to selection. Otherwise I would have to explode a copy of the instance and then pick it, right? Or is there an easier way? Thanks, T. Returns the identifiers of block instances. FileIO. Connect the Guid parameter to the 'x' input of a VB component and use this code: Dim brep_list As New List(Of OnBrep) Dim objref As New MRhinoObjRef(New Guid(x)) Nov 22, 2015 · To get at the underlying geometry, you need to explode the blocks. I imagine this is possible but probably not straightforward…-Pascal Oct 30, 2017 · Explode Block Instance clement October 31, I’m on Rhino 5 SR14. Boolean If true, then nested instance references are recursively exploded into pieces until actual geometry is found. If By Parent is selected in the properties of a block member, the properties will be controlled by the block instance Jun 17, 2021 · Explode the block, then use _MeshToNurb to convert it to a polysurface, then _MergeAllCoplanarFaces to clean it up. The model was originally made in ArchiCAD but was given to us in Revit format. Note. I found a similar isssue here When you explode a block, only that single instance of the block is affected. When you lock a layer, only the layer that contains the insertion point of the block instance is locked. Lists all the block definitions in the model. The block geometry opens in the Rhino window. The Block Instance properties manage the transform settings of the selected block instance. append . Yes, blocks can be exploded and edited; then be made as a new block. Aug 4, 2017 · Select a block instance to edit. Jan 17, 2019 · The instance more ore less just holds a transformation and which block definition. ) Extrude the curves. Think of a block instance as a container that contains objects (block members). When I import this step file into Rhino I got a block instance ,and I want to know how can I get B-rep data from block instance? When I get a block instance, I used to explode and Jun 8, 2024 · Hello, I’m working on a Display Conduit script in Python 3 that works for block instances as well. Say I have a block I call Jan 19, 2024 · I have nested block structure and I want it to return individual block instance with recursion or any other suitable method. 3dm (48. Aug 14, 2020 · When you make a block in Rhino from geometry in the current file with the Block command, Rhino replaces the geometry you selected with a block instance. However, I am trying to modify it further to specifically work on referenced block instance geometry from grasshopper. As a result, when importing geometry into Rhino, I get one solid instance from which I cannot get either Brep or Mesh. 5. Is there a way to convert Blocks into Extrusions Rhino Surface Text Utils Vray Explode Block. dwg file via a c# script since I don’t want to open file in Rhino as this script will be running headless later. If you modeled said book, on layer 0, but put the binding on layer 1, then defined it as a block, you would not be able to delete those layers, as they help define that block. After using Explode or ExplodeBlock cmd all the geometry moves to a current layer. Explodes blocks into component curves, surfaces, meshes, text, blocks, etc. Curves and text. A block instance is the parent of its block members. 2. 3 MB) thanks in advance McNeel Forum Instance block to brep or mesh Feb 1, 2023 · Hello everyone, I´m working on project, I have a STEP file imported to Rhino, seems the whole model consist from blocks, but the blocks have hierarchy. Increase your model’s display speed. doc sc. I am using Rhino with Speckle to bring a third-party model into Revit. UnselectAllObjects() x = rs. You can insert as many instances of this definition as needed with the Insert command. Is there anyway to perhaps explode them and then convert them to NURBS surfaces or 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 Nov 22, 2023 · Excited about the “Rhino” tab in Rhino V8’s version of GH1. In my example, geometry inside the block definition is using box mapping. It saves the block definition (the geometry you selected to define the block) in the file. Name ID The transform of this block instance: Transform: Object Attributes: Jan 8, 2020 · Following are the code with simple explanation. You can do this from the Push Definitions component. (Unweld > 0 degrees). Apr 28, 2015 · Exploding a block is different from exploding a polysurface. I seem to have very little control over the block instances, all I can do is toggle visibility and move their coordinates. ObjectType = ObjectType. Sep 6, 2024 · This option is only useful for objects in blocks. ) Get the block (instance reference). Objects] b=F. However I could only get the outputs as seen below. BlockInstanceName(block)): if rs. In V4, you could explode the nested block instances, and the object name would stick. explodeNestedInstances; Type: System. When exploding block instances containing Textfields, the Explode and ExplodeBlock commands produce different results. For Each blockobj As Rhino. Brep (); var mesh = objRef. ) are having z. You can see that Meshes (M), Breps (B), and Curves (C) are all showing correctly but the BI (exploded breps, curves, etc. If a mesh is completely unwelded, then it will explode to its individual faces. The original block definition remains in the drawing, and you can still insert additional copies of the original block. I can reassign materials but Oct 31, 2019 · Im in the process of doing a group modeling project that requires me to use the grouped files that I inserted into the document. If rhObj. Counts the number of instances of the block in the document. The workaround suggested works well! print "Not a block instance: ", objectId break However, if the layer the block instance is inserted on is turned off, all of the objects will disappear. ExplodeBlockInstance (strObject) Parameters Aug 9, 2020 · I wonder if this is now possible to duplicate a block as a new one. ExplodeBlockInstance(Id) if Jun 8, 2019 · I can’t find any solution to my problem - Automated exploding blocks with preserved texture mapping of the output geometry. No matter the amount of times I use the command ‘ungroup’ they remain grouped and I cannot edit the individual pieces of the inserted model file. Then do your BD with that. Returns the insertion point of a block instance. I can receive internal geometry this way but without attributes. Hopefully someone can help me out, Thanks! Feb 25, 2015 · Here is an example Rhino file with two blocks, one with only geometry and one with geometry and text Explode text Block example. HTH, --Mitch "Explode Block Instance" component is changed to "Explode Objects" and works on all geometry types (except groups). Geometry for i in a] il=[] for i in c: if 'Instance' in str(i): il. ObjectsByType(4096) if y: def explode_em(blocks): for Id in blocks: if rs. The hatch “resets” to zero rotation rather than maintaining the rotation it had in the block. Usually I never experienced trouble working this way, but this file in particular is very very slow. 2 KB) now if I run this script and select each time one of the block: import rhinoscriptsyntax as rs. rhp (14 KB) Oct 10, 2023 · Hello, I couldn’t find an answer to this anywhere else. Select the other bits and Block on the same insertion point. This video tutorial focuses on the uses of Block Instances in Rhino for 3d modelling. Now, you can get volumes. RhinoObject In obarr Mar 17, 2016 · Dramatization: Okay, we are done with everything; we have a lot of blocks. I want Nov 4, 2015 · Here’s a Python that will nuke all blocks and turn any existing instances into regular objects. ( RH-76106 ) Added third party plug-in information to GH document if a component is used. So I Block Geometry: Generic: Attributes: att: Object Attributes: Generic: Block Names: name: The Block definition names: String: BoundingBox: bbox: The Bounding box around the instance definition: Box: Block Transforms: xform: The list of transforms of this block instance and all its parents: Transform Nov 13, 2017 · Hi Evan - if you un-block and then drag onto the same Rhino as before, it does not work - you need a new session of Rhino. Blocks can be a very powerful tool for any repeating element in your 3d Mar 30, 2015 · To extrude the curves in a block, you will need to do the following: 1. Include custom data that are updated for each instance. One big block consist from many other group of blocks. Mesh Dec 17, 2021 · Select block instance, iterate. Does this help? Jun 22, 2018 · Hi Menos - ok, good, yeah the script should work fine, it’s exactly the same as the plug-in. Does Dec 8, 2014 · Does anyone know how to explode a block without exploding all the blocks inside of it? Thanks! Willem (Willem Derks) December 8, 2014, 1:15pm The CreateUniqueBlock command duplicates the block definition of a block instance and changes the block instance to reference the new block definition. Block definition list. Better Blocks Jul 18, 2017 · Rhino for Windows. That last line is important here: when in block editing mode, you can modify the geometry using any editing techniques. predoc = sc. So for some time now, the only resort was to use Grasshopper, but with extra plugins that allow to reference block instances in Grasshopper. Or, double-click a block instance. Mar 29, 2020 · Hiall. Maybe I simply did nto see it. By the way, there SHOULD be a forum category just for this version of GH since V8 is shipping now… Of course, as you know, I’ve been a huge proponent of native GH block management, and what I see looks kind of good. Because when you explode the group of blocks, some Jul 22, 2021 · Hi there, is there a way to extract an item from a block instance (blockreference) without exploding it? I did not find any possiblity in Rhino. A block instance has its own properties. Count the number of instances. I tried Human, Elefront and Instance Manager from Heteroptera Jul 5, 2021 · Hi there, I am working in a file that contains about 400 block instances containing 119 block defintions, which partly are nested. Not like other rhino objects it does not have geometry itself. BlockNames() if not x: return y = rs. If not, your object isn’t a block and you should probably read this page of the help file. So when I want to make separated blocks, that whole document consist from single blocks without hierarchy, there is no way how to do it. github. If you explode a block that contains attributes, the attributes are lost, but the original attribute definitions remain. Oct 24, 2017 · Mesh parts and mesh faces based on unwelded edges. I came across the BlockManager but am struggling to understand its purpose. Create a GUID parameter, right click on it and select 'set one Guid', then select the block instance. Blocks. In Revit, everything in the model is a Direct Shape. Input so far. I have tried both Human and eleFront but not working as you can see eblow. Apr 28, 2018 · A block definition would need to keep group information and transmit it to each instance and, I guess, the instance would have to implement the group on Explode or BlockEdit when the new objects are added to the file . BlockInstanceName(id) for id in ids])) #set method Sep 18, 2020 · Objects for the plugin will not be created in Rhino, but in another program. Returns the block name of a block instance. Now then, how much does this thing weight? After saving a temporary scrap copy of my work, because no one would want this on your main drawing, one would: Select blocks ; explode blocks…and so on until no blocks are selected. Explode the block instance. 1 Like benedict (Ben) June 17, 2021, 12:04pm Jul 22, 2023 · Currently it works as expected if the Block already exists in the Rhino document. Dim obarr() As Rhino. I am a Revit user. var brep = objRef. If false, an InstanceObject is added to the pieces out parameter when this InstanceObject has nested references. Block Name: name: The Block definition name: Text: BoundingBox: bbox: The Bounding box around the instance definition: Box: Block Transform: xform: The transform of this block instance: Transform: Insertion Plane: pln: The insertion point of this block instance. Rotate the block instance. doc = Rhino. Inputs. Here’s the latest that I have - ExplodeBlocksToLayersV6. DocObjects. The unique id for the parent instance definition of this instance reference. Should be possible to unwrap/explode within the first c# component or in ExplodeBlockInstance. I combined these two boxes into a solid model and saved as step file. Dimensions. Create a block with a hatch in it. RhinoObject = rhobj. Explodes objects contained in the group, but leaves the objects grouped. Obviously I can explode all the stuff layer by layer but I’m sure there should be a smarter way to do it. Mesh (); As a result, I only get null. BlockInstances. Mesh Jul 26, 2024 · When exploding a block that contains a hatch, the rotation of the hatch after exploding doesn’t match the rotation before exploding if the block instance has been rotated. Apr 7, 2020 · By now, it has become obvious that McNeel will never improve block management in Rhino, but blocks are just completely indispensable when you tackle construction or fabrication processes. You need to remove the "link" between the geometry and the layer, so we explode the block, then we also have to remove the block definition from the model. Explode nested block with recursion visual studio return individual block instances Jul 14, 2023 · Hi, I am importing geometry from . Maybe this is intended behavior Jun 25, 2024 · Blocks. import rhinoscriptsyntax as rs import scriptcontext as sc import Rhino def MoveBlockObjectsToLayer(): ids = rs. BlockInstanceName(block)) > 1: exploded = rs. Jul 9, 2015 · Hi, I draw a big box and a small box by another CAD software. These two boxes are not intersect each other. Syntax. Nest blocks within other blocks. BlockInstanceName. Objects ' this selects only the blocks. RhinoDoc. ) Transform the instance definition geometry using the instance definition’s transformation. The exploded objects are added to the document. ExplodeBlock. The ExplodeBlock command keeps the original Textfields. It seems a lot, but it s acutally no problem to work with. Approaches I tried: With the use of Grasshopper components from plugins: Heteroptera, Human, Elefront. IsBlock(rs. IsBlockInstance(Id): blocks = rs. When it is imported into Rhino, everything in the model is a Block. 4. Mesh Jul 9, 2015 · For Each rhobj As Rhino. ohyhoaidsjyqngidqbweuwpxmnwudaltcenocwcexsyksqz