ally to describe a process of repeating objects in a self-similar way. Simply stated, the definition of a recursive function includes the function itself. Fractals are among the canonical examples of recursion in mathematics and programming. A loop can simply be a way to apply the same operation to a list of elements, but it is an iterative loop if the results from one step are used in the calculation of the next step. In design research controlling recursion becomes a new strategy to define new forms and spaces.
BRIEF
In this workshop we will be exploring iterative strategies through parametric design. Main tool for the course will be grasshopper3d and its add-on Anemone. Anemone is a simple but effective plug-in for Grasshopper that enables for loops in a simple and linear way. We will explore several strategies such iterative growth, L systems, fractals, recursive subdivisions and more. Our course will focus on how those methods can affect three-dimensional geometries, generating unexpected conformations.
TOPICS
intro to rhinointro to grasshopperadvanced grasshopperdata managementintro to loopscellular automatal-systemsagent based modelling
SCHEDULE
Day 1 / friday 16:00Tour Green Fab LabBasics of 3D modeling in RhinocerosBasics of GrasshopperOpen Lecture by Jan Pernecky, founder of rese arch
Day 2 / saturday 10 am- 18 pmRecursive iterative methodsAdvanced Topics of looping
Day 3 / sunday 10 am – 18 pmRecursive iterative methodsFinal presentation session
REQUIREMENTS
The workshop is open to all participants, no previous knowledge of Rhinoceros and Grasshopper is required (although an introductory knowledge is welcome). Participants should bring their own laptop with a pre-installed software. The software package needed has no additional cost for the participant (Rhino can be downloaded as evaluation version, Grasshopper and plugins are free). These softwares are subject to frequent updates, so a download link to the version used in the workshop will be sent to the participants a few days before the workshop.…
Added by Aldo Sollazzo at 11:10am on October 6, 2015
r visual programming tools in the games world. MS's Kodu, looks interesting. Kismet and Visual3d look even more interesting..... mainly because they are more 'interactive' or 'reactive', rather than DAG-based.
Seems like the evolution path for GH-similar apps is:
1. base 3d or CAD app based on C/C++ code.
2. Add scripting language interface
3. Add some kind of visual interface
4. Add graph sorting / propagation engine
5. Re-jig base 3d or CADD app to make managed/interpreted scripts run faster, multi-threaded.
6. Add dynamic typed language, DLR stuff
6. ....
6. Add constraints solver...?
7. Rebuild CAD display engine to be procedural at the GPU level?
Seems like there are available tools for converting scripts into some kind of flowchart. There are even visual debuggers. MS even has something called the 'Debugger Canvas'. Spreadsheet constraints.
Seems like the time is ripe for lots of new apps like GH.
…
4 explode the text
5 select the exploded text, which are now curves, and the border from step 2 and use the planarsrf command again
6 make your surface using the two curves at top and bottom and a section. Use the sweep2 command
7 select your negative text surfaces and use the flowalongsrf command
maybe the scale of the text can be edited by the size of the surface or of the text but I bet you can figure that out! good luck!…
l design.
2/ Optimization
2.1/ in prefabrication
2.2/ combinatorial
2.3/ approach comparisons (i.e. deterministic vs stochastic)
2.4/ share your research
2.5/ ... etc. the list goes on and on
3/ Share you design rationale and how computation fits in
4/ Need help with this problem...
5/ Challenges and workshops announcements
6/ CD News
7/ Share computational design projects under construction or built (akin to skyscrapercity)
8/ and so many other categories and sub-categories...
Just my first thoughts. That breakdown in optimization is just an example. Maybe 'sections' is an old-school way of seeing things, I just wanted to share some thoughts on the kind of content I look forward to seeing. It can be pragmatic topics, but also theoretical, and allow folks to share their projects and research. Some categories are specific, others broad. I suppose I'm interested in community building with regards to computational design. I think SmartGeometry attempted to accomplish this at some point in the past, to some degree. However their focus appears to be in the workshops and challenges.
I recall the silly flame wars that the CG industry had 20 years ago (lame). I'd avoid that, even if it meant forbidding the mention of any specific software in certain areas or in the entire forum. Which would be tricky, but the endless flame wars and silly comparisons were such a waste of everyone's time in CG.
Without dwelling on this too much yet, I think that the software specific questions belong in software specific forums. If we already had a common language for computational design, you'd just need to add the right description as a meta-tag to any Dynamo or Grasshopper forum post, and you'd be able to find analogous solutions in either forum effortlessly, right?
The Dynamo and Grasshopper forums lack design-centric content. The emphasis is generally on the tools and workflow. Computational design is hybrid in essence, it involves both design and computer programming (be it visual or textual). We could really use a forum for knowledge exchange where the expectation is that both are discussed with equal status.
I disagree that such a forum ought to exclude professional programmers. It should include professional programmers whom have an interest in design, and also include professional designers whom have an interest in computer programming, and everyone in between, and enthusiasts, and artists whom are curious about algorithms as a creative medium, and academics, and students, and etc etc. As long as there is rich content and activity on design as well, not only the computational bit, then the crowd will be diverse and we'll all have more to learn from one another.…
this was about some boring building I wouldn't respond ... but here we are talking sardines.
Here's my take on that matter:
1. The 4 C# first create/use a nurbs, then define some random planes (and transformations) and then (a) either they place some humble stripes or ... er ... (b) sardines as instance definitions (NOTE: Load Rhino file first).
2. All important decisions are the ones in yellow groups.
3. You control what you get via this (priority on stripes or sardines? that's the 1M Q):
4. If you decide for sardines (the right thing to do) then you must ENABLE the Sardiniser(C)(tm)(US patent pending) as follows:
5. The vodkaFactor on that Sardiniser C# adds some spice in the sardine placement (it does that by altering the priority on the "composite" transformation in use: first randomly rotate then planeToPlane .... or the other thing?).
6. Only the finest Da Morgada sardines are used in this definition:
7. Spot the WARNING in the filter related with what sardine to choose > do it wrong and no hard disk on your workstation > no risk no fun > sorry Amigos, he he.
8. 1M question for you all: why placing sardines (it's real-time you know) is WAY faster than creating these humble stripes?
9. Although the sardines are placed in real time as regards your CPU ... the critical factor is your GPU (display mode: rendered).
10.Still WIP (dancing sardines in the next update).
have some sardine fun, best, Lord of SardineLand…
t ''Morph'' turns Red saying ''Cannot morph from a degenerate box'' (image 2),
that's because every curve generates a box (image 3).
After what i check the Option ''Union'' box to make only one box for all the curves (image 4).
However, the result is aleatory and not accurate at all ... :/ (see image 6).I know you are developing Pufferfish and not ''Morph'' component, but recently you publish on instagram a video where i believe you could morph and Twist with success a collection of curves (please see image 7 and 8)...If you could give me a hint how that can be achieved, it would be awesome.(Piping/Meshing the curves with very small diameter will perhaps work and help for visualisation purposes, but i actually just need morphing Raw curves for fabrication purposes).Hope to read you very soon...Ghali,…
been covered since 0051 (correct me if I'm wrong):
1) Shoot for the moon first -- "Control Panel Mode" which allows for advanced interface design. See Max/MSP for example of modal function. I spent a lot of time laying out control panels so they are nice for clients and team members to look at. I spend a lot of time disabling wire display and dragging sliders and panels and graphs around into nice little clusters. Could be something as simple as a mode that disables the view of all component handles, cleans up graph objects, sliders, etc. I know the Remote Control Panel has been requested over and over again since it disappeared, but honestly it wouldn't be much use to me unless it was a full blown customizable interface. In the meantime I'll stick to my own "Canvas Control Panel" methods. (See below...)
2) More control over graph objects. Right now the bar graph for instance automatically sets the lowest and highest value displayed. Would be nice to be able to set extents manually so that you can compare apples to apples on two different lists that have different extents. Also would love to force the bar graph to show all values along x axis, not just first and last. Same goes for showing the numbers of instances for each value. Now it only shows instance numbers in oddball cases. Would like to force them to show for statistical purposes. Love percentages, but usually I also want accurate tallies. I tend to use a member index sets to generate my own lists.
3) Color input for Vectors -- there are fakey fake workarounds but none that are as versatile as simply having a color input.
4) COLOR INPUT FOR TEXT TAGS -- sorry to yell... this one really frustrates me. I often build interactive feedback systems that involve a lot of different types of data, and it is difficult to convey that input when all text is red (or green when selected).
5) Ability to justify text tags using paragraph controls -- currently default is left-justified. Would like to be able to center text horizontally and vertically, among other things.
6) Ability for text tags to handle multi-line text. Not sure the best way to implement this, but often I find myself wanting to attach 3 items of information to a particular object, and I have to string it all together in one line. Would be great if I could insert a "^M" character that stands for carriage return and have that display as multiline text (used in conjunction with above justification controls).
7) More control over Text panels. Thank you for including justification options... but sadly now it begs the question for margin and header control. Text slammed up against the left edge is pretty unsightly. Moreover, if you have labeled a text box, the drop shadow from the title bar tends to overshadow the first line of text if you have Path display turned off. Would like to add some header space to fix the problem and create a cleaner look.
8) Easier access to text font size. Buried in a Special Font... menu. I want to be able to up up down down (left right left right select start) if you know what I mean.
I guess that's it for now... just the things on the top of my head in this category. Looking forward to installing the new release, have to wait until this major project is over though.
Cheers,
Marc
…
he "return" is comment out as shown below?
After restarting Rhino and Grasshopper, I opened the outdoors_airflow demo file, and the first step of creating the case file is ok:
Then the blockMesh component gives the following error: seems I have to manually start OF first..
so, as the error message suggested, I open OF by Start_OF.bat:
Then come back to the blockMesh component, now it can be executed while the OF command line window is also openning:
... and the blockMesh finished successfully:
... so I proceeded to run snappyHexMesh, checkMesh and update fvScheme:
... up to the simpleFoam component, I got the error again:
The warning message is:
1. Solution exception: --> OpenFOAM command Failed!#0 Foam::error::printStack(Foam::Ostream&) in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so" #1 Foam::sigFpe::sigHandler(int) in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so" #2 ? in "/lib64/libc.so.6" #3 double Foam::sumProd<double>(Foam::UList<double> const&, Foam::UList<double> const&) in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so" #4 Foam::PCG::solve(Foam::Field<double>&, Foam::Field<double> const&, unsigned char) const in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so" #5 Foam::GAMGSolver::solveCoarsestLevel(Foam::Field<double>&, Foam::Field<double> const&) const in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so" #6 Foam::GAMGSolver::Vcycle(Foam::PtrList<Foam::lduMatrix::smoother> const&, Foam::Field<double>&, Foam::Field<double> const&, Foam::Field<double>&, Foam::Field<double>&, Foam::Field<double>&, Foam::Field<double>&, Foam::Field<double>&, Foam::PtrList<Foam::Field<double> >&, Foam::PtrList<Foam::Field<double> >&, unsigned char) const in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so" #7 Foam::GAMGSolver::solve(Foam::Field<double>&, Foam::Field<double> const&, unsigned char) const in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libOpenFOAM.so" #8 Foam::fvMatrix<double>::solveSegregated(Foam::dictionary const&) in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/lib/libfiniteVolume.so" #9 Foam::fvMatrix<double>::solve(Foam::dictionary const&) in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/bin/simpleFoam" #10 Foam::fvMatrix<double>::solve() in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/bin/simpleFoam" #11 ? in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/bin/simpleFoam" #12 __libc_start_main in "/lib64/libc.so.6" #13 ? in "/opt/OpenFOAM/OpenFOAM-v1606+/platforms/linux64GccDPInt32Opt/bin/simpleFoam"
... and the command lines in the readMe! output are pretty long and it is saved in the text file attached here.
So, my questions are:
1. why I have to manually start OF first before I can use the blockMesh component? Should butterfly automatically start OF?
2. what might be the cause of the unsuccessful run of simpleFoam in the end?
Hope you can kindly advise! Thank you!
- Ji
…
Meeting Agenda:
1) Discuss what the group would like to learn this term through our regular scheduled meetings. Topics include the priority and sequence of Grasshopper exercises we would like to explore during the winter term from http://www.digitaltoolbox.info/grasshopper_basic.html and Processing tutorials from the Processing Handbook I received from MIT.
2) Watch the Matt Storus Church Machine video and have a discussion about parametric and generative tools in design.
If you have a chance, please read the following article by Tim Love called Between Mission Statement and Parametric Model at:
http://places.designobserver.com/entry.html?entry=10757
3) Discuss a possible design build project over the following winter and spring terms using the skill set this group is developing. Conversation led by Chris Nielson (please see comments below for a brief backstory)
4) Discuss possible applied research and design work for the National Conference on the Beginning Design Student paper, Machine Craft and the Contemporary Designer: exploring parameters and variables through making physical artifacts. I wrote the attached abstract and submitted it for the conference the past fall and it was accepted. To continue with the research I need to assemble a team of students that will help explore the principles I set forth by making physical objects with the cnc router. In exchange for helping with the research I will show participants how to use the cnc router, how to author machine code and provide you with the cnc controller interface software necessary to simulate machine movements. Not to mention, your work will be sited in the research paper I present at the conference at UNC Charlotte in March. More tomorrow night, of course.
Thank you for your interest and I hope to see you there.
Sincerely,
Erik Hegre
Chris Nielson Reply by Eugene Parametric Society on January 7, 2010 at 12:02pm
All,
In response to Erik, who requested that I describe my intentions in a design-build project and to the article posted (definitely required reading for this group) I propose that we begin development of a project that spans the realm of "sustainable social" architecture and parametric design. The particulars of such a design do need to be made concrete, and it will be important to define the goals of such a project.
Therefore, I would suggest that this serve as a forum for the next few weeks for those interested in producing a built project. I agree with Nico that it may not be feasible to create the built piece, whatever it may be, this term; however we should have the groundwork and a plan in place by the end of the next 10 weeks.
Either way, I would ask that everyone who is interested to please provide as many concepts to this forum to begin a discussion. If you are indeed interested, please submit goals that this project could achieve (energy, socially, aesthetically, economically, related) and perhaps what you envision the project to physically be (shading device, public bench, water catchment, interactive thermal contraption, etc . . . )
I look forward to hearing your thoughts!
Cheers,
Christopher…
imes. Your loop should go to y.Count - 1. Or, you could use a For...Each loop, circumventing the problem altogether:
Dim shortLines As New List(Of Line)
For Each segment As Line in y
If (segment.Length < x) Then
shortLines.Add(segment)
End If
Next
A = shortLines
--------------------------------
Another problem is this line of code:
New_Lines.Add(New_Line)
It is located inside the loop but outside the If statement, meaning it gets run every single iteration. This fills up the short line list with duplicates.
-------------------------------
Here's something else which is redundant:
Dim Input_Line As New Line
Apart from the fact that you don't need a special variable for this at all, you also don't need to add a New keyword. The type Line in RhinoCommon (just like Point3d, Vector3d, Plane, BoundingBox etc. etc.) are Structures, not Classes. Structures always exist when they are defined, whereas Classes can be null ("Nothing" in VB).
-------------------------------
Some more advice:
Dim i As Integer
For i = 0 To y.Count()
You can merge these two lines into one. VB.NET allows you to declare your iteration variable inside the loop:
For i As Integer = 0 To y.Count - 1
--------------------------------
If you don't like the For...Each approach at the top of this answer, here's how to write this using a For...To loop:
Dim shortLines As New List(Of Line)
For i As Integer = 0 To y.Count - 1
If (y(i).Length < x) Then
shortLines.Add(y(i))
End If
Next
A = shortLines
ps. A personal preference of mine is that I always encase the expressions inside If...Then statements in brackets. You technically don't need to do this, but I find it makes the code more readable.
--
David Rutten
david@mcneel.com
Poprad, Slovakia…