Region difference grasshopper However, the Region Difference component isn’t working properly. I created a square and applied a surface to it. Created by David Rutten. Aug 4, 2021 · Subtracting two Surfaces to find difference Grasshopper windows 2 632 April 8, 2022 Brep Subtraction Grasshopper 4 928 May 1, 2018 Region difference failing when subtracting one surface from another Grasshopper 2 514 May 13, 2020 Subtracting surfaces from each other Grasshopper windows 3 804 January 17, 2022 Subtract sheres from surfaces Mar 6, 2010 · I'm having trouble using the Region Difference module - I had assumed it was like Rhino's Curve Boolean because of the possibility of multiple curves to input and multiple curves to subtract from - but it appears that it's more like Rhinoscript's curve boolean difference that operates on only 2 curves at a time In this Grasshopper tutorial you will learn how to convert a boundary curve and a series of closed on open curves to generate parametric 3d shapes. Currently I am making a house and I have these cylinders that I want to trim to create oculus openings in my roof but when I use Solid Difference and do preview off, it makes no difference. Looks like each of the rectangles is being subtracted from a copy of the the main curve, so Oct 1, 2020 · Hello everyone, I’m trying to make a region difference between metaball and sphere, it kind of work with one sphere : But it won’t work with three spheres, If you got an idea ! Definition with internalized data : metaball_sphere_regiondiff01. The Preparations The Region Difference (RDiff) component is used to create the interlocking detail of Apr 18, 2020 · Hello, I was trying a script for the Mondrian pattern from one of the tutorials on youtube and somehow cannot get past this step. So far so logical. However, when I region difference it, the outcome is like the image shown below: Can anyone help me in trying to just get the surfaces that are intersecting with the white surfaces Oct 22, 2022 · Views Activity Divide a surface and get area of "sub-surfaces" without using the 'surface split' component Grasshopper 5 1066 January 9, 2019 Removing inner Intersections Grasshopper 13 4211 November 27, 2017 Troubleshooting: srf split doesn't work correctly Grasshopper 19 5397 March 27, 2018 Slow boolean difference faster in python Grasshopper Is there a known issue with using region difference to subtract multiple closed curves from another closed curve? (see image) I keep getting 0 result from the component, and I've tried every possible combination of flattening and grafting and simplifying. e. Now I need the ring shape to be subtracted from the square. I’ve compared the data of the curves that do work and the one that doesn’t and everything looks fine. Jul 12, 2013 · As a Grasshopper beginner, I'm having difficulty working with the Region Difference component. I have a real strange one here, i have 6 walls to a house, 1 is the doorway, 2 are solid walls and the rest are with windows. More info Jul 10, 2023 · Test. I need to In this Grasshopper tutorial you will learn how to convert a boundary curve and a series of closed on open curves to generate parametric 3d shapes. 0007. Then I created two concentric circles and used the same boundary surface to create a torus-like shape (a ring). 90. Is there a fail-proof method for doing this type of subtraction that people use? I'm having trouble using the Region Difference module - I had assumed it was like Rhino's Curve Boolean because of the possibility of multiple curves to input and multiple curves to subtract from - but it appears that it's more like Rhinoscript's curve boolean difference that operates on only 2 curves at a time Oct 20, 2016 · region difference Posted by m. Maybe offset component would be a better choice than the Move component. Jan 30, 2023 · Instead of a single command as in Rhino, in Grasshopper we get three separate components for different use cases: Region Union, Region Difference and Region Intersection. Can someone advise me how to get the same result using C# as the Grasshopper “Region Difference” component? In this image below, I can get the ideal result (green colored regions) using the Grasshopper Region Difference component from two sets of curves (blue and red color). Oct 13, 2017 · Hi all, I have a problem trying to region difference a list of surfaces with surfaces that intersect with those surfaces. Is there anything that can be done about this? Using the components is THE straightforward way but I had to make tedious workarounds because it’s just too slow. More info Hello Im trying to develop a voronoi plan but i can't subtract correctly, please help me. 4 KB) Attempt 3. Nov 16, 2024 · Grasshopper contoured surface region difference Grasshopper 7 2713 May 24, 2018 Region Union, Difference, Intersect Rhino for Windows 1 1710 May 26, 2015 Simple Regions from Closed Curves / Region Difference not working Grasshopper 2 1639 September 11, 2018 Selected Region/Boundary within a set of intersecting curves - solved Grasshopper 2 1250 Oct 25, 2020 · I also ran into this issue today. In this definition, the Z coordinate is different for each curve send to the component. So, I'm trying to apply the Parametric Tower tutorial (series to move and range to rotate) to a extruded curve generated out of a Region Difference. gh (83. gh (49. No issue for the door. Looks like each of the rectangles is being subtracted from a copy of the the main curve, so Apr 1, 2022 · Region difference failing when subtracting one surface from another Grasshopper 2 513 May 13, 2020 Subtraction of surface lists Grasshopper 8 3172 February 16, 2018 Simple Regions from Closed Curves / Region Difference not working Grasshopper 2 1639 September 11, 2018 Subtracting a sphere from a cube Grasshopper 2 851 February 22, 2018 Issue Hi there, I have a non planar surface and I would like to make a region difference in order to obtain a surface grid. Region_difference_6_4_2018. gh (460. 1 How to start Grasshopper and a few ways to open a definition (1:58) 3. 5 KB) May 13, 2020 · Region_difference__2020May13a1087×406 62. #parametric #parametricdesign #rhino3d #grasshopper3d i want to cut off some line at the point they leave the brep. I have come very close! The offset objects auto-trim when colliding using region difference. Each about 7 seconds totaling to 14 seconds, more or less. I’ve tried both of the dashed red connections and they work the way I expect, but Jun 26, 2024 · Grasshopper 4 589 April 6, 2018 Region difference failing when subtracting one surface from another Grasshopper 2 505 May 13, 2020 Issue with Surface Difference Grasshopper 10 1710 April 13, 2020 May 22, 2018 · Region difference would work if your curves were in the same plane. Here’s where I believe the problem is. gh (22. (the red breps are the ones that Apr 13, 2020 · Hello Hope you are all fine! Strange issue with planes and region differences. I have scoured Jan 24, 2022 · Performing region difference on series of curves but one region it will not work for. Send me a message. I believe that this is a very good educational exercise for learning the potential of the native Grasshopper components. The underlying negative-area problem has not yet been fixed, but Feb 10, 2025 · Hi friends, I came arcoss with one problem about the Region Difference component. gh (6. May 28, 2024 · Topic Replies Views Activity Simple Regions from Closed Curves / Region Difference not working Grasshopper 2 1628 September 11, 2018 Region difference discrepancy between rhinocommon and gh Grasshopper Developer 5 1110 December 26, 2021 Region Union, Difference, Intersect Rhino for Windows 1 1700 May 26, 2015 Region Difference doesn't work Oct 20, 2016 · region difference Posted by m. Region Difference Grasshopper Tutorial (Region Difference) Added by Parametric House 0 Comments 0 Likes Sep 11, 2018 · Views Activity How can the overall calculation of the difference between the two sets of plane closed curves (regions) Grasshopper 2 448 October 15, 2021 Region difference failing when subtracting one surface from another Grasshopper 2 509 May 13, 2020 Region Difference doesn't work Grasshopper 2 410 May 19, 2018 RegionDifference Grasshopper We need your help! 🔥 Please consider disabling your ad-blocker to support this website! 🔑 We are a free, community-supported website! 🥰 We only display small unobtrusive ads which help us stay online! 💯 Thank you in advance! ️ In this Grasshopper tutorial you will learn how to convert a boundary curve and a series of closed on open curves to generate parametric 3d shapes. The attached snip shows just a test I'm using with one main region (closed planar curve) and 4 smaller rectangles (on the same plane) that overlap it to be subtracted. comRhino and Grasshopper Parametric ResourcesNeed 1 on 1 help. More info… May 26, 2015 · In grasshopper there is a way to union, difference and intersect the regions bound by curves. Jul 15, 2021 · Hi All, Is it possible to get region difference to work with a number of curves at once, as in to get it to reference the same item from separate lists as its cutters, i. Nov 2, 2013 · I'm trying to perform region difference on a bunch of curves for the purpose of generating notches. WARNING!!! The 'DeDup' cluster removes duplicate surfaces in one branch and is very specific to this set of data. But once i split the walls into 2 groups problems start as soon as the surface difference is tested. Any idea on where the problem is? I though that maybe is the usage of lunchbox structure. Is there any way to do this in Rhino? The attached snip shows just a test I'm using with one main region (closed planar curve) and 4 smaller rectangles (on the same plane) that overlap it to be subtracted. 3dm (230. 3dm (166. I have a script in which I manage to create groups of curves. Thanks you all! RegionDifference. 7K subscribers in the Rhino_Grasshopper community. Features 0 video tutorials. Follow our step-by-step guide for using Region commands to take your designs to the next level. i figured it was the plane. architect on October 20, 2016 at 4:06am in Discussion View Discussions Oct 3, 2019 · Thank you very much Joseph! RDiff works perfectly. Is it a bug or I just miss something? See picture below. The output is not coplanar with the input. The problem occurs when I attempt to extend the triangular grid out further and create more instances of the pattern. Looks like each of the rectangles is being subtracted from a copy of the the main curve, so Jul 28, 2011 · Hi I am relatively new to Grasshopper and suffering the stumbling block of trying to tease out the data I want from the flow. Oct 11, 2009 · subtracting brep/geometry components Posted by Anthony Dahu Mumagi on October 11, 2009 at 6:54pm in Discussion View Discussions Jun 26, 2025 · How can the overall calculation of the difference between the two sets of plane closed curves (regions) Grasshopper 2 442 October 15, 2021 RegionDifference Grasshopper windows 8 769 July 16, 2021 Issues with Region Difference (CurveBooleanDifference) Grasshopper windows , rhino8 2 133 May 29, 2024 Region Difference problem Grasshopper windows 5 Mar 6, 2022 · Pattern 1 Pattern 2 The Pattern not working ( The difference of the 2 patterns of the whole geometry) Not sure how to resolve this, Please assist me Residential concept mass 3. I’ve baked it and referenced … Nov 13, 2024 · Region Differenceを使うことで、閉じた線や平面の範囲の差のブール演算で、引き算をすることができます。 最初は、閉じた線データの場合を見てみます。 I studied the interlocking joint details in Grasshopper here and here. 7 KB) 1 Like andyloat (Andy) May 13, 2020, 1:33pm 3 A quick fix! thanks very much Topic Replies Views Activity Simple Regions from Closed Curves / Region Difference not working Grasshopper 2 1632 September 11, 2018 Issue with Surface Difference Grasshopper 10 Hi, just starting to learn Grasshopper and I have a problem with Region Difference module. This time, the interlocking structures were revisited with a cleaner code and an in-depth explanation. I thought I should take the list of polygons and for Region Difference problem Posted by Ignacio España on March 7, 2012 at 12:52pm in Discussion View Discussions Mar 23, 2017 · The outer loop (white group) interates through each branch, the inner loop (yellow group) iterates through each surface and applies 'RDiff (Region Difference)' to subtract all other regions in that branch, except for itself. The solid difference is keep failing. Feb 10, 2025 · Grasshopper windows 1 401 March 25, 2021 Region Difference doesn't work Grasshopper 2 403 May 19, 2018 As a Grasshopper beginner, I'm having difficulty working with the Region Difference component. 9 KB) Grasshopper Intersect SYSTEM COMPONENTS. list b item 1 is used to triom from list a item 1, then b2-a2 and so on… I know its more like (0,0) - (1,0), then (0,1) - (1-1)…but how! haha. Aug 10, 2020 · What does N value mean in output of region difference?? Could you attach the screenshot of region difference component with N output. 9 KB Region_difference__2020May13a. gh (15. Sep 14, 2023 · I am new to grasshopper and I am still learning the basic commands. 2 Grasshopper settings (4:25) 3. Let us explore the interface of Grasshopper3D 3. Jun 15, 2024 · Good morning. 9 KB) Jul 12, 2023 · In this Grasshopper tutorial you will learn how to convert a boundary curve and a series of closed on open curves to generate parametric 3d shapes. Even though my surfaces will eventually be extruded I still choose to work with surfaces since the solid difference works so much faster then. Version 1. I have rectangles to define the notches but when I 'region difference' them with the curves I want to notch it generates 700 curves instead of the 8 notched curves I want, which seem to be a 'differenced' curve for each notch then a ton of copies of the original un-notched curve. Aug 31, 2020 · Hi, I want to get solid difference between the the rectangle and the other geometries. I believe my problems reside in my lack of understanding of data trees and what type of data the component is looking for. Looks like each of the rectangles is being subtracted from a copy of the the main curve, so Oct 26, 2018 · Hello guys, I am trying to get the regions from the intersection of all those circles, I searched on the web but I am unable to find how to do this : Please help ! Thanks g1. Looks like each of the rectangles is being subtracted from a copy of the the main curve, so Oct 10, 2014 · Hello, Is there a known issue with using region difference to subtract multiple closed curves from another closed curve? (see image) I keep getting 0 result from the component, and I've tried every possible combination of flattening and grafting and simplifying. can any one tell me what is the wrong? ball bit 0. i made the lines with extend. 0. Nov 20, 2022 · Region difference doesn’t work properly while working with Grasshopper. I’m trying to subtract an array of regions from another region, and what I end up with is the difference between the two PLUS the first one as a separate region. I can subtract a square from another square just fine, but I’m not getting the desired result in Mar 5, 2015 · Hi, just starting to learn Grasshopper and I have a problem with Region Difference module. In this Grasshopper tutorial you will learn how to convert a boundary curve and a series of closed on open curves to generate parametric 3d shapes. As a Grasshopper beginner, I'm having difficulty working with the Region Difference component. Apr 23, 2022 · Hello! I am attempting to create a pattern using region difference. My problem is given in the border between the groups of curves. I think you are correct that the overlap isn’t unambiguous using surfaces and solid difference. There are two things that I would like your help from (I) Why was the need to use shift list with the existing ones in order to remove the overlapping regions? (II) In the script that I tried, the region difference isn’t working, any leads for that Mondrian Apr 1, 2019 · Simple Regions from Closed Curves / Region Difference not working Grasshopper 2 1642 September 11, 2018 Substract Extrusion Grasshopper 1 300 February 21, 2019 How can the overall calculation of the difference between the two sets of plane closed curves (regions) Grasshopper 2 452 October 15, 2021 "Solid Difference" no response <grasshopper Mar 26, 2021 · Hello @mcneel , I’ve been using the Region Difference & Region Intersection to create roofs within certain curve boundaries and sadly it’s way too slow. The problem was that Rhino started returning negative areas for certain shapes, and the region solver removes regions with an area less than the tolerance squared, thinking they are empty. I'm having trouble using the Region Difference module - I had assumed it was like Rhino's Curve Boolean because o… In this Grasshopper tutorial you will learn how to convert a boundary curve and a series of closed on open curves to generate parametric 3d shapes. Released on 2022-Mar-08. I'm guessing Mar 30, 2021 · Grasshopper 2 1603 September 11, 2018 Region difference between groups of curves Grasshopper windows 10 293 June 16, 2024 Region Difference problem Grasshopper windows 5 192 April 12, 2024 Issues with Region Difference (CurveBooleanDifference) Grasshopper windows , rhino8 2 118 May 29, 2024 Subtract One Surface From Another Surface Grasshopper Mar 6, 2011 · hey guys! i want to cut off some line at the point they leave the brep. When I increase the number of divisions increases the number of groups of curves. Mar 23, 2019 · Grasshopper booleandifference Valcore737 (Firas Ma'ayah) March 23, 2019, 2:47pm 1 I’m having some trouble getting Solid Difference to work, it works in areas of the brep and doesn’t on other areas in the image above, i have the main complex brep that i’m trying to subtract 4 smaller breps from, for some reason it works on the lower area, but not the top. Found the isPlanar (simple way i tried Mar 14, 2021 · Grasshopper 4 593 April 6, 2018 Region difference Grasshopper 4 406 April 1, 2019 Cutting a curve through a roof Rhino for Mac 1 647 November 26, 2015 Hi, just starting to learn Grasshopper and I have a problem with Region Difference module. gh (53. Looks like each of the rectangles is being subtracted from a copy of the the main curve, so Mar 7, 2012 · So, I'm trying to apply the Parametric Tower tutorial (series to move and range to rotate) to a extruded curve generated out of a Region Difference. 6 KB) Many thanks As a Grasshopper beginner, I'm having difficulty working with the Region Difference component. Provides 52 components. gh (446. I want to find the emergent shapes that are a result of a grid of overlapping polygons. 7 KB) Hi All, I’m working on my first GH model, and I’ve hit a snag. More info… The attached snip shows just a test I'm using with one main region (closed planar curve) and 4 smaller rectangles (on the same plane) that overlap it to be subtracted. You are just extracting the surface edges. This is very easy with planar surfaces, b… So, I'm trying to apply the Parametric Tower tutorial (series to move and range to rotate) to a extruded curve generated out of a Region Difference. 8 KB) Test. This works when my triangular grid is set to “1” for extent. Thanks for your help michaelvollrath (Michael Vollrath) September 14, 2023, 11:56am 2 May 19, 2018 · Grasshopper 4 589 April 6, 2018 Region difference randomly not working in grasshopper Grasshopper windows , grasshopperrhino 1 608 January 24, 2022 How can the overall calculation of the difference between the two sets of plane closed curves (regions) Grasshopper 2 444 October 15, 2021 The attached snip shows just a test I'm using with one main region (closed planar curve) and 4 smaller rectangles (on the same plane) that overlap it to be subtracted. I've fed in the curves and the planes (after much trying to adjust tree branch levels) and the result, which should be one curve, is 4. Explore the Parametric World with Parametric House The attached snip shows just a test I'm using with one main region (closed planar curve) and 4 smaller rectangles (on the same plane) that overlap it to be subtracted. I wanted to region difference the surfaces shown in the image below with the white surfaces. Dec 20, 2010 · I don't think the region difference component is doing anything really. i tried region differnce but it dosnt work any ideas? thank you May 19, 2018 · I just fixed this issue today, there should be a new release candidate later today/early Wednesday depending on where you are in the World. Apr 12, 2024 · Grasshopper 2 1639 September 11, 2018 Region difference failing when subtracting one surface from another Grasshopper 2 513 May 13, 2020 Issue with Surface Difference Grasshopper 10 1730 April 13, 2020 How can the overall calculation of the difference between the two sets of plane closed curves (regions) Grasshopper 2 452 October 15, 2021 Difference between two sets of planar closed curves (regions) Mar 6, 2010 · Hi all,First of two parts - the simpler one. And with RDiff I can save some more time by using my original polylines instead of surfaces. gh (12. architect on October 20, 2016 at 4:06am in Discussion View Discussions i want to cut off some line at the point they leave the brep. Region Differentce problem. 3 KB) May 14, 2023 · Learn how to use Curve Boolean in Grasshopper. These groups of curves increase when I divide a region in several surfaces. I know that region difference only applies to closed curves, so I tried making all the curves closed, but that doesn’t work either. However, CreateBooleanDifference from RhinoCommon outputs all the boolean result In this tutorial, I show you how to use region components in Grasshopper 3d to create boolean operations with curves. Is there a known issue with using region difference to subtract multiple closed curves from another closed curve? (see image) I keep getting 0 result from the component, and I've tried every possible combination of flattening and grafting and simplifying. Hi, just starting to learn Grasshopper and I have a problem with Region Difference module. 8 KB) Thanks in advance! Nov 2, 2013 · I'm trying to perform region difference on a bunch of curves for the purpose of generating notches. So I followed a way to build a script but i cannot understand why region difference doesn’t work. I am thinking I want to use the Region Intersection box but having trouble feeding in the correct items to get out what I want. My problem is that the extrusion is not moved completely, only the inner section. If I bake Jul 12, 2023 · In this Grasshopper tutorial you will learn how to convert a boundary curve and a series of closed on open curves to generate parametric 3d shapes. The curves at the boundary of each group intersect each other. More info 4 days ago · Hello. Jul 12, 2023 · In this Grasshopper tutorial you will learn how to convert a boundary curve and a series of closed on open curves to generate parametric 3d shapes. One way to solve your problem is to unroll your cylindrical surface, by for example, creating a planar rectangle that has the same domain size as your cylinder, place the openings as flat rectangles over it and use the planarsrf component to generate a trimmed surface, then use 1. Check this for region difference: Grasshopper Docs Region Difference - Grasshopper Intersect - Component for Grasshopper | Difference between two sets of planar closed curves (regions) 0:00 Introduction | 導入0:03 Region Difference0:22 Region Intersection0:36 Region Union0:55 Shatter2:31 Trim with Brep3:00 Trim with Breps3:28 Trim with Region copetedavid. グループ名ボタンをクリックで各グループ一覧にジャンプします。 左にあるA～Cは重要度で、Aが一番重要度の高いコンポーネントになります。 「詳しい機能を見る」をクリックで詳細説明が開きます。 *は書籍『Rhino×Grasshopper All in 1 パーフェクトリファレンス』に記載しているコンポーネント . 0 KB) Apr 6, 2018 · Hello! I try to create a structure on a curved trimmed surface. The region difference stops working. I wish all the curves in the list looked like this first in the viewport. 3 Cables, types, and how to manipulate them (7:13) Jun 14, 2022 · Maybe you can create union region of the circles and the bounding rectangle of the cube, than compare the area of the region and the area of the bounding rectangle. 3. mmrlas wlwdz zarj suty qika lro fzh jfzwnt fajv qupk hzkc jlyakdi rxaitdvg yhcly tslcg