# Latest **URL:** https://forum.compas-framework.org/latest.md?page=1 [Latest](https://forum.compas-framework.org/latest.md) · [Categories](https://forum.compas-framework.org/categories.md) **Page:** 2 --- ## [compas-CEM Installation error nlopt](https://forum.compas-framework.org/t/compas-cem-installation-error-nlopt/1046)
**Author:** [@Felix\_Berger](https://forum.compas-framework.org/u/Felix_Berger)\ **Replies:** 1\ **Last updated:** [October 15, 2025, 9:41pm UTC](https://forum.compas-framework.org/t/compas-cem-installation-error-nlopt/1046 "2025-10-15T21:41:09Z")
Hello, im trying to install comps-cem per pip install compas-cem but im always getting the Error of: Somehow my shell cannot build a wheel for nlopt, thus I cannot install the CEM plugin for grasshopper in rhino on m… --- ## [Guide Curves in the Z Dimension](https://forum.compas-framework.org/t/guide-curves-in-the-z-dimension/1059)
**Author:** [@malikilam](https://forum.compas-framework.org/u/malikilam)\ **Replies:** 3\ **Last updated:** [October 13, 2025, 9:08am UTC](https://forum.compas-framework.org/t/guide-curves-in-the-z-dimension/1059 "2025-10-13T09:08:25Z")
In Chapter 7of Interactive funicular form finding using RhinoVAULT the following appears: ”\*Constrain Nodes is used to constrain the movement of individual vertices as discussed in § 4.3.2. The user can choose a weight,… --- ## [PluginNotInstalledError using COMPAS with plugins (compas\_libigl, compas\_occ)](https://forum.compas-framework.org/t/pluginnotinstallederror-using-compas-with-plugins-compas-libigl-compas-occ/1052)
**Author:** [@Yiqiao\_Wang](https://forum.compas-framework.org/u/Yiqiao_Wang)\ **Replies:** 12\ **Last updated:** [September 30, 2025, 2:46am UTC](https://forum.compas-framework.org/t/pluginnotinstallederror-using-compas-with-plugins-compas-libigl-compas-occ/1052 "2025-09-30T02:46:16Z")
I’m currently integrating COMPAS into CityEnergyAnalyst, where we generate 3D building geometry from 2D outlines. I chose COMPAS for its active development and modular structure. However, I’ve been running into confusion… --- ## [Meetup: COMPAS Dev Exchange](https://forum.compas-framework.org/t/meetup-compas-dev-exchange/1057)
**Author:** [@gonzalocasas](https://forum.compas-framework.org/u/gonzalocasas)\ **Replies:** 0\ **Last updated:** [September 4, 2025, 1:22pm UTC](https://forum.compas-framework.org/t/meetup-compas-dev-exchange/1057 "2025-09-04T13:22:19Z")
If you’re near Zurich next week, we’ll get together for a meetup to showcase some updates on the framework!! We meet after work (6.30pm) at ETH Hönggerberg. More details here! After a short set of presentations, we’ll … --- ## [Installation of compas-igs](https://forum.compas-framework.org/t/installation-of-compas-igs/1050)
**Author:** [@Niclas\_Brandt](https://forum.compas-framework.org/u/Niclas_Brandt)\ **Replies:** 1\ **Last updated:** [August 21, 2025, 8:47am UTC](https://forum.compas-framework.org/t/installation-of-compas-igs/1050 "2025-08-21T08:47:57Z")
Hi:) I wanted to install compas-igs on my windows computer (Windows 11) using anaconda. Itroed to follow the instruction on GitHub: But I always get this error in the first step: conda env create -f https://blockresea… --- ## [Compas versions / dependency table](https://forum.compas-framework.org/t/compas-versions-dependency-table/1056)
**Author:** [@jelle](https://forum.compas-framework.org/u/jelle)\ **Replies:** 0\ **Last updated:** [August 19, 2025, 11:43am UTC](https://forum.compas-framework.org/t/compas-versions-dependency-table/1056 "2025-08-19T11:43:25Z")
recently I stumbled upon the dependency table of the VFX platform (lots of C++ code with python bindings, not unlike say compas\_cgal compas\_occ compas\_libigl) could be an idea to add a similar table to the compas docum… --- ## [Highlights of COMPAS Dev Day 2025](https://forum.compas-framework.org/t/highlights-of-compas-dev-day-2025/1038)
**Author:** [@gonzalocasas](https://forum.compas-framework.org/u/gonzalocasas)\ **Replies:** 1\ **Last updated:** [June 22, 2025, 11:09am UTC](https://forum.compas-framework.org/t/highlights-of-compas-dev-day-2025/1038 "2025-06-22T11:09:00Z")
On May 28, we hosted the COMPAS Developer Day 2025 at ETH Zürich’s Robotic Fabrication Lab. Around 60 participants joined in person and online for an afternoon of talks, demos, and open discussions about the latest devel… --- ## [Compas\_ifc in Rhino](https://forum.compas-framework.org/t/compas-ifc-in-rhino/1037)
**Author:** [@Keerthana\_u](https://forum.compas-framework.org/u/Keerthana_u)\ **Replies:** 2\ **Last updated:** [June 3, 2025, 8:22pm UTC](https://forum.compas-framework.org/t/compas-ifc-in-rhino/1037 "2025-06-03T20:22:09Z")
Hi Li! I’m trying to run a compas\_ifc test within rhino8 (its your example from the IASS24 workshop) is it not possible to install compas\_viwer in rhino8, I see that you open the viewer window for visualisation from c… --- ## [Rhino Vault 2 - Download 2024](https://forum.compas-framework.org/t/rhino-vault-2-download-2024/811)
**Author:** [@Christoph](https://forum.compas-framework.org/u/Christoph)\ **Replies:** 5\ **Last updated:** [June 3, 2025, 4:56pm UTC](https://forum.compas-framework.org/t/rhino-vault-2-download-2024/811 "2025-06-03T16:56:38Z")
Hey everyone, I’m trying to download and install RhinoVault2, but all the download links I’ve come across seem to be down. Is RhinoVault2 no longer available, or am I missing something? If someone could provide me wit… --- ## [Vault Materialization Oculus Preservation](https://forum.compas-framework.org/t/vault-materialization-oculus-preservation/1036)
**Author:** [@CalMolitor](https://forum.compas-framework.org/u/CalMolitor)\ **Replies:** 0\ **Last updated:** [May 29, 2025, 5:13pm UTC](https://forum.compas-framework.org/t/vault-materialization-oculus-preservation/1036 "2025-05-29T17:13:09Z")
Hello! I am attempting to use the materialization tutorial (Materialization | RhinoVAULT). During Step 002 Remesh, the oculas in my geometry gets spread out too much to be workable for the next steps. I saw in some of t… --- ## [Triangulation Tool](https://forum.compas-framework.org/t/triangulation-tool/1031)
**Author:** [@Sushrut\_Shankar](https://forum.compas-framework.org/u/Sushrut_Shankar)\ **Replies:** 1\ **Last updated:** [May 26, 2025, 5:52am UTC](https://forum.compas-framework.org/t/triangulation-tool/1031 "2025-05-26T05:52:54Z")
Hello, I have been using Rhino vault on Rhino - 8 and have been trying to explore the tool. Whenever I try the triangulation tool the file just crashes. I tried doing it differently like by changing the triangulation … --- ## [Rhino geometry block to COMPAS geometry](https://forum.compas-framework.org/t/rhino-geometry-block-to-compas-geometry/1032)
**Author:** [@Keerthana\_u](https://forum.compas-framework.org/u/Keerthana_u)\ **Replies:** 1\ **Last updated:** [May 26, 2025, 5:51am UTC](https://forum.compas-framework.org/t/rhino-geometry-block-to-compas-geometry/1032 "2025-05-26T05:51:03Z")
Hi, is there any compas geometry feature which will allow to query a rhino geometry block and do some tasks (translations for instance) and insert an instance of the block and visualize back in rhino? I guess i would h… --- ## [Rhino Vault - Materialization Script](https://forum.compas-framework.org/t/rhino-vault-materialization-script/1028)
**Author:** [@Sushrut\_Shankar](https://forum.compas-framework.org/u/Sushrut_Shankar)\ **Replies:** 7\ **Last updated:** [May 7, 2025, 6:56pm UTC](https://forum.compas-framework.org/t/rhino-vault-materialization-script/1028 "2025-05-07T18:56:30Z")
Hello there, I have just recently started using the Rhino Vault from the Github tutorial and successfully reached the point where I was able to create the Roof’s Mesh I wanted. Now exploring the website - I came across… --- ## [Empty layer in rhino with compas.Scene](https://forum.compas-framework.org/t/empty-layer-in-rhino-with-compas-scene/1029)
**Author:** [@Keerthana\_u](https://forum.compas-framework.org/u/Keerthana_u)\ **Replies:** 1\ **Last updated:** [May 6, 2025, 9:22am UTC](https://forum.compas-framework.org/t/empty-layer-in-rhino-with-compas-scene/1029 "2025-05-06T09:22:54Z")
Hi, I have a basic question. I want to create an empty layer without any SceneObject using compas Scene in rhino and I’m unable to give a None type object. is there a better way to do this than create a dummy object su… --- ## [Compas\_cra: issue with ipopt solver](https://forum.compas-framework.org/t/compas-cra-issue-with-ipopt-solver/1011)
**Author:** [@michisinzinger](https://forum.compas-framework.org/u/michisinzinger)\ **Replies:** 2\ **Last updated:** [May 6, 2025, 9:10am UTC](https://forum.compas-framework.org/t/compas-cra-issue-with-ipopt-solver/1011 "2025-05-06T09:10:05Z")
Hello, I’m struggling to get the CRA solvers (cra\_solve; cra\_penalty\_solve) from compas\_cra working properly. Provided sample scripts from compas\_assembly, compas\_dem, compas\_cra or manually implementing the solver all… --- ## [Issue with IFC Model Placement](https://forum.compas-framework.org/t/issue-with-ifc-model-placement/1022)
**Author:** [@Daiva](https://forum.compas-framework.org/u/Daiva)\ **Replies:** 1\ **Last updated:** [May 6, 2025, 9:09am UTC](https://forum.compas-framework.org/t/issue-with-ifc-model-placement/1022 "2025-05-06T09:09:12Z")
System info: Windows 10 python 3.12.9 compas 2.10.0 compas-ifc 1.5.0 compas-viewer 1.4.0 compas\_occ 1.2.1 I’m running into an issue with uploading IFC models to compas. When I open them in various viewers (e.g., BIMco… --- ## [Compas\_tna.how to use it? where could i get some teaching courses?](https://forum.compas-framework.org/t/compas-tna-how-to-use-it-where-could-i-get-some-teaching-courses/1015)
**Author:** [@Easier](https://forum.compas-framework.org/u/Easier)\ **Replies:** 2\ **Last updated:** [May 6, 2025, 9:06am UTC](https://forum.compas-framework.org/t/compas-tna-how-to-use-it-where-could-i-get-some-teaching-courses/1015 "2025-05-06T09:06:49Z")
how to use it? where could i get some teaching courses? --- ## [Concurrent joint state reading during motion and motion planning via RobotStudio](https://forum.compas-framework.org/t/concurrent-joint-state-reading-during-motion-and-motion-planning-via-robotstudio/1026)
**Author:** [@L2CH](https://forum.compas-framework.org/u/L2CH)\ **Replies:** 5\ **Last updated:** [May 2, 2025, 9:34am UTC](https://forum.compas-framework.org/t/concurrent-joint-state-reading-during-motion-and-motion-planning-via-robotstudio/1026 "2025-05-02T09:34:37Z")
Hi all, I’ve been working with compas\_rrc and had two related questions: Is it possible to achieve some form of concurrency or parallelism with compas\_rrc? More specifically, I would like to record the trajectory my … --- ## [Compas\_ifc on google collab](https://forum.compas-framework.org/t/compas-ifc-on-google-collab/981)
**Author:** [@lifeisapeachfest](https://forum.compas-framework.org/u/lifeisapeachfest)\ **Replies:** 4\ **Last updated:** [May 2, 2025, 9:21am UTC](https://forum.compas-framework.org/t/compas-ifc-on-google-collab/981 "2025-05-02T09:21:16Z")
Hi! I’m trying to run compas\_ifc on google collab. in the test below i am only trying to load and view an IFC file (its a clean IFC file) when i run model.show() I get an error message saying my session crashed @Li\_… --- ## [What version of CGAL is wrapped in compas\_cgal?](https://forum.compas-framework.org/t/what-version-of-cgal-is-wrapped-in-compas-cgal/1021)
**Author:** [@mizutani.natsu](https://forum.compas-framework.org/u/mizutani.natsu)\ **Replies:** 1\ **Last updated:** [April 22, 2025, 9:40am UTC](https://forum.compas-framework.org/t/what-version-of-cgal-is-wrapped-in-compas-cgal/1021 "2025-04-22T09:40:46Z")
Hi all, I am thrilled to have discovered the excellent package compas-cgal. It’s working just as nicely as I expected. I just would like to know the version of the CGAL library. Best regards, Natsu --- ## [Pointcloud Normals](https://forum.compas-framework.org/t/pointcloud-normals/1023)
**Author:** [@coroush](https://forum.compas-framework.org/u/coroush)\ **Replies:** 1\ **Last updated:** [April 17, 2025, 12:53pm UTC](https://forum.compas-framework.org/t/pointcloud-normals/1023 "2025-04-17T12:53:32Z")
Hi, I’m trying to convert an Open3d pointcloud to a Compas pointcloud. From the Pointcloud API, I understood that it only accepts points and name properties. Is there a way to include normals, colors or any custom attr… --- ## ['Viewer' object has no attribute 'add'](https://forum.compas-framework.org/t/viewer-object-has-no-attribute-add/1013)
**Author:** [@Daiva](https://forum.compas-framework.org/u/Daiva)\ **Replies:** 2\ **Last updated:** [April 16, 2025, 1:02pm UTC](https://forum.compas-framework.org/t/viewer-object-has-no-attribute-add/1013 "2025-04-16T13:02:22Z")
System info: Windows 10 python 3.12.9 compas 2.10.0 compas-ifc 1.5.0 compas-viewer 1.4.0 compas\_occ 1.2.1 I am testing compas for the first time, based on the tutorials found here: tutorials/IFC/README.md at main · co… --- ## [How to construct a Brep from faces/face loops](https://forum.compas-framework.org/t/how-to-construct-a-brep-from-faces-face-loops/998)
**Author:** [@Oliver\_Bucklin](https://forum.compas-framework.org/u/Oliver_Bucklin)\ **Replies:** 4\ **Last updated:** [March 19, 2025, 4:09pm UTC](https://forum.compas-framework.org/t/how-to-construct-a-brep-from-faces-face-loops/998 "2025-03-19T16:09:20Z")
Hello, I’m trying to create some brep geometries and am running into a wall. I tried Brep.from\_polygons which gave me a ‘plugin not installed’ error in rhino/GH. I would use Brep.from\_brepfaces but I don’t see any way to… --- ## [Problem of the latest RV on Rhino 8](https://forum.compas-framework.org/t/problem-of-the-latest-rv-on-rhino-8/992)
**Author:** [@Lexie-L](https://forum.compas-framework.org/u/Lexie-L)\ **Replies:** 4\ **Last updated:** [March 18, 2025, 11:43am UTC](https://forum.compas-framework.org/t/problem-of-the-latest-rv-on-rhino-8/992 "2025-03-18T11:43:21Z")
Hello, I’m a newcomer for Rhino Vault and I followed the steps of installing in this link Getting Started | RhinoVAULT I have installed the RhinoVAULT plug-in on Rhino 8 and the toolbar is clearly visible but when I l… --- ## [Earlier rhinovault version?](https://forum.compas-framework.org/t/earlier-rhinovault-version/995)
**Author:** [@BTH](https://forum.compas-framework.org/u/BTH)\ **Replies:** 1\ **Last updated:** [March 17, 2025, 2:10pm UTC](https://forum.compas-framework.org/t/earlier-rhinovault-version/995 "2025-03-17T14:10:05Z")
Hello, is it possible to download an earlier version of rhinovault that works on Rhino 7? --- ## [RosTimeoutError on virtual station and real controller](https://forum.compas-framework.org/t/rostimeouterror-on-virtual-station-and-real-controller/975)
**Author:** [@adonislau00](https://forum.compas-framework.org/u/adonislau00)\ **Replies:** 3\ **Last updated:** [March 3, 2025, 6:09pm UTC](https://forum.compas-framework.org/t/rostimeouterror-on-virtual-station-and-real-controller/975 "2025-03-03T18:09:28Z")
Hi, One of our students is having trouble running an \_rrc script from their laptop (running Windows 11 Home). We are getting a timeout error for ros on the ros.run() line when we try to connect to both a virtual station… --- ## [The installation files for the latest RV2](https://forum.compas-framework.org/t/the-installation-files-for-the-latest-rv2/826)
**Author:** [@ananya\_jain](https://forum.compas-framework.org/u/ananya_jain)\ **Replies:** 2\ **Last updated:** [February 23, 2025, 3:53pm UTC](https://forum.compas-framework.org/t/the-installation-files-for-the-latest-rv2/826 "2025-02-23T15:53:29Z")
Hey everyone, I was trying to download RV2, however suddenly I can’t find it online now. All the links seem to be broken. Can someone point me to the right link/website. Regards Ananya --- ## [Pending RV2 and RV3 update](https://forum.compas-framework.org/t/pending-rv2-and-rv3-update/891)
**Author:** [@tomvanmele](https://forum.compas-framework.org/u/tomvanmele)\ **Replies:** 2\ **Last updated:** [February 21, 2025, 5:00pm UTC](https://forum.compas-framework.org/t/pending-rv2-and-rv3-update/891 "2025-02-21T17:00:51Z")
dear all, as many of you have noticed, RV2 and RV3 are currently not working properly, and have incorrect or missing documentation. we are working hard to resolve this and will release an up to date version soon! i wi… --- ## [COMPAS Dev Exchange – February 20](https://forum.compas-framework.org/t/compas-dev-exchange-february-20/979)
**Author:** [@laurens](https://forum.compas-framework.org/u/laurens)\ **Replies:** 0\ **Last updated:** [February 7, 2025, 9:43am UTC](https://forum.compas-framework.org/t/compas-dev-exchange-february-20/979 "2025-02-07T09:43:25Z")
You’re invited the COMPAS Dev Exchange on February 20! In this meetup, we’ll showcase some exciting updates to the COMPAS framework, including full Python 3.x support in Rhino 8 and a streamlined installation via the Rh… --- ## [Solution exception:URLError](https://forum.compas-framework.org/t/solution-exception-urlerror/978)
**Author:** [@Dorian123](https://forum.compas-framework.org/u/Dorian123)\ **Replies:** 2\ **Last updated:** [February 6, 2025, 1:06pm UTC](https://forum.compas-framework.org/t/solution-exception-urlerror/978 "2025-02-06T13:06:29Z")
Hello! I am trying to use compas and ARA Machine Learning Plugin by Gramazio Kohler Research Lab at ETH for Grasshopper. I encountered this problem. Did I missed something in the installation or on the grasshopper … [Previous page](https://forum.compas-framework.org/latest.md) [Next page](https://forum.compas-framework.org/latest.md?page=2)