algorithmic modeling for Rhino

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Blog Post: Geco07 update to 1013 - 2 new components: major update with 2 new components

and some additions to the old one…; Added by to] at 9:08am on September 13, 2010

Comment on: Topic 'Learning VB.NET and RhinoCommon': d there are tons of good books and websites available to do so. Learning OOP is going to be necessary in order to understand what's actually going on with RhinoCommon and to be able to interact with the all the things you'll need to in order to get things done. You're going to need to understanding how things like inheritance, hierarchy, and abstract classes work, but because you're just working with them, not creating them yourself, you don't have to understand all the small nuances right when you start out. Again, this is a heavily covered topic, so most intro books have a short section on it and there are a ton of web resources as well. Then there's learning RhinoCommon. This is going to be the hardest thing because there really isn't all that much information out there for this at the moment. The best thing to do is start with simple classes, such as Point3d, Vector3d, Plane, Line, and Circle, and get used to dealing with those objects first. Starting out "small" allows you to get used to the syntax and working with objects and will allow you to get your feet wet with RhinoCommon without having to jump into the deep end. The good thing about RhinoCommon is that is much more natural and straight forward when compared with the old .Net SDK, so you'll hopefully be able to pickup on things easier and quicker. After you begin to feel comfortable, then you can start working with more complicated curves, surfaces, b-reps and meshes. The "unwritten" thing with coding is that you also have to understand how you're going to solve your problem. A lot of people think that coding is the answer that will allow them to go from A to B, and that's it. The reality is that you have to know and understand each little step of the process of going from A to B and manage it. After a while of coding, this becomes the majority of what you spend your mental effort on. Its not figuring out how to write a given function, its what that function actually needs to do, step by step. Like I mentioned with RhinoCommon. Its best to start with simple problems. Ones that you either know almost all the steps to solve or ones that you've maybe solved already. Try making grasshopper definitions, then translating them into a single (or series) of scripting components. That way you'll already have a solution to work with and a guide for how to get your script done.…; Added by Damien Alomar at 1:09pm on September 8, 2010

Comment on: Topic 'Runge-Kutta Method': d could implement it for one diferential equation, but in this case I have a serious doubt, since I have two ecuations (due to there being two unknowns) and on top of that the time is not directly in the actual ecuation, since the velocity and position are co dependant and time dependant as well I dont really know how to write it. I've checked several pages: http://myphysicslab.com/runge_kutta.html and some others I cant recall, but I never see an example where the step size (in this case the time) is not explicitly in the ecuation. Maybe its easier to tap into a dll that has a ODE solver but the only one I could get my hands on http://www.alglib.net/ Doesnt have a Runge-Kutta solver, or at least I cant find it. Thanks again for your help,…; Added by Nicolas at 8:19am on December 5, 2011

Comment on: Topic 'Pain Points in Grasshopper': tuation - fast and with flexible options for meshes. "Project curve to plane" with the parts obscured by a list of brep/mesh obstacles removed. Adobe illustrator (svg?) export with lots of options regarding visual appearance and document structure. Vectorisation of bitmap images. Reconstruction of perspective and (textured) 3d geometry from single/multiple image/video feed. Drone/UAV communication and control. Ability to kill the Grasshopper process without killing Rhino. A more powerful Esc-button. Industry leading, robust, fast, native GH, never failing offset/fillet curve. Return of the Lolcats. Javascript component (ok, Python seems nice, but I still miss JS). More exotic DateEx (for those of us driving Mars rovers with GH). Enable/disable components in groups (with bool input?). Data dam controlled by bool input. More file import/export, be it 3d geometry, raster image or other formats. Clothoid curve type. Animated wires when data changes and solution recomputes. "Select orphaned components", that just litter the canvas without contributing to the solution. Minecraft export/import/realtime interaction with server and/or single player map. Smartphone/tablet/web app with automatic remote control panel pairing. Treemaps. All relevant data types and components generalised for n dimensions. GH antivirus (we'll get there eventually). A visual drag-and-drop path mapper. Auto arrange selected components neatly. "Convert curve to wire" for decorative code layouts. Choice to use any bitmap to represent a cluster on the canvas. I realise a lot of it would have to be implemented GH, and not a plugin. Maybe some of the above already exists in the overwhelming fauna of plugins? If so, please tell me. /ola …; Added by Ola Jaensson at 9:39am on May 15, 2014

Comment on: Topic 'Down stand grillage BEF model': go and sulk in the corner, my C# is non existent, although i am making progress on python unfortunately slower than my grasshopper. Attached is a typical relatively simple planar grillage model for a bridge form that is common in Australia/NZ/Asia. The analysis package has a good graphical interface, however i am looking at replicating the process ideally with GH. I am getting there. There are a few constraints in the use of a super T, the precast mould is governed by two critical dimensions: 1. from the beams soffit to the underside of the precast flange, normally Depth -75 or 100mm. Depths that are common are 1200/1500/1800. 2.The real sweet spot dimension is the 1027mm dimension to the outside of the webs, this is a constraint The actual shapes of the prestressed beams are governened by AS5100:5 Appendix H (from memory) In my definition I included the super T cross section which is parametric. The other definition is where I have got to with the grillage. I am a little one dimensional: point-line-surface-volume. I think I am getting to grips with manageing data i lists. My ulimate aim is to: generate basic geometry in gh, the type of analysis will be a space frame or FE, these analysis types require different geometries imported to a structural analysis package ideally utilise IFC, for materials, 2D, 3D drawings and project documentation At the moment I am looking to generate all of my gemetry in GH, that seems to generate a lot of doubled up geometry. Deconstruct Brep may become my favourite. A little excesive is the inclined members spilt into the same no. of points at the grillage length. again thanks for you time, oh! took a a few minutes to work out how to plug your def's in. kenyon …; Added by Kenyon Graham at 7:57pm on December 3, 2015

Topic: I have an idea! But how do I realize it with GH?: g networks". But why should you get to know them and what benefit could they give to your projects? I asked myself these questions several times and postponed some research on i.e. physic systems (Kangaroo), graph networks (Spider Web) or evolutinary solver or other stuff in the past. Because most of the time the answer was the oposite: What kind of knowledge about algorithms, plugins etc. do I need to realize my project? I often had to search for the answers quite long. And if I would have known about some of the above mentioned a bit more detailed, I could have found a solution much faster. Technical terms often make it even more complicated. Surface Relaxation is a common term used for the production of tensile structures? Yeah most Kangaroo users know it, but think of even more difficult things like the one mentioned in the first paragraph! Wouldn't it be nice and useful to have something like an abstract database about what kind of algorithms to use for what kind of projects? I haven't thought so much about how. Maybe it is just a library of technical terms (yeah...the wrong way around), you click on them and see who is doing research on them and with it also an application. These technical terms can then be connected to other terms. A bit like academic work, referring to other papers and also giving advice on where research is missing. If we want to bring algorithmic design forward, it is probably easier having a nice sharing culture. We could maybe find concepts for a use of neural networks or the generation of floorplans or maybe even combine them?!Probably I am a bit naive now and it will be a problem to find a good concept, realize a database and also gather the information on projects, but if you like it, just start thinking and share it. I would like to hear some feedback :-)Greetings,Martin…; Added by Martin D. at 1:26pm on February 1, 2015

Topic: Creating elastic membrane constrained by multiple anchor placed on two different height.(wb&kangaroo needed): nto a wave-like shape. So the shape is determined mostly by the stiffness of the surface and little by gravity. With the help of gh and kangaroo I can drew this prototype to pull two point up and down separately: And here comes a few questions, 1.The outcome is not realistic, and dividing the surface with more meshes doesn't help. How could I make it more natural? 2.The outcome is web-like curves instead of surface/mesh, so is there a way to rewrite the canvas to make the outcome a surface/mesh? 3.Although I can drag one point up/down far or near by varying vector, I can't determine the distance. Is there a way to determined the distance or drag to certain point? 4.Is it possible to drag a surface(eg. a rectangle) instead of a point? Since the section of the column has certain area. Thanks a lot!…; Added by Andersen Jang at 11:58am on November 29, 2015

Topic: New way to publish definition posted in grasshoper forum: r even a geometry. We want to develop open source architecture, and be able to reuse easily open source elements of projects shared by the community. We are interested to display the 3D files in the browser, thanks to connection with external services like http://beta.speckle.xyz or others though at the moment it is not yet available. When I discovered the grasshoper forum, I liked the fact that people talk very openly about their modelling problems and share definition files... But I think Bricks could be a complementary publication mode, to find in a glance an element with all its geometry and a link back to the forum post to join the discussion. Indeed when I work as an architect, I have not always the time to browse a forum with all its discussions to find a suitable element for my project. I've quickly reposted 2-3 forums posts to test it out. I would love to have your feedbacks on this new way of publishing grasshoper definition files and more globally 3d reusable geometries. Here you can see a single definition or the list of definitions that can be classified at the left thanks to custom categories. If you create an account and upload a few definitions and 3d images and files, you could also tell us, what you think of this process. Sébastien www.twitter.com/sebastien_lucas…; Added by Sébastien Lucas at 2:26am on April 8, 2016

Topic: Generate Terrain Not Connecting to OpenTopography Server: ried turning off all firewalls, etc, but still have the issue. I am using your 'analyse_terrain' file. http://www.grasshopper3d.com/group/gismo/forum/topics/terrain-generator-not-finding-the-remote-server The error says: downloadFile_e1: Unable to connect to the remote serverdownloadFile_e2: [Errno socket error] getaddrinfo returns an empty listThis component requires topography data to be downloaded from opentopography.org as a prerequisite for creating a terrain. It has just failed to do that. Try the following two fixes: 1) Sometimes due to large number of requests, the component fails to download the topography data even if opentopography.org website and their services are up and running.In this case, wait a couple of seconds and try reruning the component. 2) opentopography.org website could be up and running, but their terrain service (RESTful Web service) may be down (this already happened before).Try again in a couple of hours. If each of two mentioned advices fails, open a new topic about this issue on: www.grasshopper3d.com/group/gismo/forum. Have you found any other ways to get around this besides shutting off the firewall? Thanks Nate …; Added by Nate Wooten to Gismo at 9:53am on June 8, 2017

Group: GENERATOR (1.0 Method): RHINO OFFICIAL BLOG FOOD4RHINO PROJECT AEC-APPS.COM REVIEW GENERATOR CONCEPT GENERATOR PLUS NUCLEUS RING GENERATOR ORGANICUBE GENERATOR…; Added by Antonio Turiello at 6:02am on August 30, 2012