ng/702/30
EDIT: DK2 works, not with positional tracking yet (14/09/15)
Source is here:
https://github.com/provolot/RhinoRift
Steps:
1) Download these files (also attached below):
https://github.com/provolot/oculus-grasshopper/raw/master/oculus-grasshopper_v0.4.ghx
https://github.com/provolot/oculus-grasshopper/raw/master/OpenTrackRiftGrasshopperUDP.ini
https://github.com/provolot/oculus-grasshopper/raw/master/oculus-grasshopper-test_v0.1.3dm
2) Download OpenTrack - http://ananke.laggy.pk/opentrack/, and setup/install. Once installed, double-click to open.
3) In OpenTrack, load the 'OpenTrackRiftGrasshopperUDP.ini' profile. Click the 'Start' button and move your Rift around - make sure that it looks like the Yaw/Pitch/Roll data is being sent. TX/TY/TZ will all be 0, as Oculus doesn't have absolute positioning data.
4) In Rhino, open the test 3dm. You'll notice that there are two viewports - called 'LeftEye' and 'RightEye'. These have been placed to mimic where the screens should be for the Oculus Rift --- but only when Rhino is in fullscreen mode, with the command 'Fullscreen'. The placement needs to be tweaked, but should work.
If you want to use your own model, you can load your own .3dm file in Rhino, then you can right-click on the viewport name, and go to Viewport Layout > Read from File. If you then load my test file, Rhino should open my two viewports, sized correctly, onto your model.
The placement of these viewports need to be tweaked; if you find a better viewport layout, upload an empty Rhino file with your viewports, and we can share eye-layout 'templates'!
5) In Grasshopper, open the .ghx definition. Everything that is multiple-grouped is a value that can be changed. Two things here:
- IPD: Set this and convert it to the proper units for your model.
- Left/right viewport names. In this case, leave this as-is, since you're using my example file.
6) Turn on the Grasshopper Timer, if it isn't on already.
7) In the GH definition, toggle 'SyncEyes' to be True. Then, in the left viewport, try orbiting around with the mouse. The 'RightEye' viewport should move around as well, pretty much simultaneously.
8) In OpenTrack, click 'Start', then toggle 'ReadUDP' to be True. You should see the 'OpenTrackInfo' panel fill with data that's constantly changing.
9) Move around the landscape with your camera, and when you set on a starting view that's ideal, click the triangle of the Data Dam component to 'store' the data.
10) Finally, toggle 'OculusMove' to be true. If all works correctly, both viewports should move based on the Rift's movement.
Let me know if you have any problems!
Cheers,
Dan…
Added by Dan Taeyoung at 11:47pm on December 10, 2013
s with Rhino & Grasshopper and Cinema 4d(rendering).
I found this two good laptops!
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Looking at the price, I would buy the second one…but I would ask you one thing....Considering that using Grasshopper I will create really complex works, using a GeForce instead a Quadro processor could it be a problem??…
as one element.
Thank you
Comment by karamba on October 7, 2014 at 11:27pm
Hello Patricio, divide the beams in such a way that each boundary vertex of the shell becomes an endpoint of a beam segment.
Best, Clemens
Comment by Llordella Patricio on October 8, 2014 at 8:30amDelete Comment
Hi Clemens,
I did what you suggested but now assemble element doesn´t work properly. Could you please tell me how to fix it? Thanks in advance, Patricio
8-10-14losa%20cadena.gh
Comment by karamba on October 8, 2014 at 11:59am
Hi Patricio, if you flatten the 'Elem'-input at the 'Assemble'-component the definition works. The triangular shell elements have linear displacement interpolations whereas the beam deflections are exact. In order to get correct results you should refine the shell mesh.
Best, Clemens
Comment by Llordella Patricio on October 9, 2014 at 8:35amDelete Comment
Hello, succeeds in creating the mesh to the slab, and built the beam segment, but when I see the deformations are not expected because the beam is deformed as the slab.
Thanks for the help
PS: maybe I'm using the program for a type of structure that is not the most appropriate, as I saw in the examples of other structures. But this type of structure is that students taught
best regards
Patricio
9-10-14%20Example%201.gh
Comment by karamba on October 9, 2014 at 10:46am
You could use the 'Mesh Edges'-component to retrieve the naked edges and turn them into beams - see attached file:91014Example1_cp.gh
Best regards,
Clemens
Comment by Llordella Patricio on October 15, 2014 at 3:41pmDelete Comment
Dear clemens
I was doing a rough estimate of the deformation, and I can not achieve the same result with Karamba. When I make a rough estimate of the result with Karamba beams and mine are very similar, I think the problem is when I connect the shell, because there are no similar results.
I sent the GH file, and an image of the calculation
The structure is concrete The result I get is 0.58cm
thank youPatricio
15-10-14%20Example.gh
Comment by karamba yesterday
Dear Patricio,
try to increase the number of shell elements. As mentioned in the manual they are linear elements. A mesh that is too coarse leads to a response which is stiffer than the real structure.
Best,
Clemens
…
Rhino Trainer), Davide Lombardi, Maurizio Arturo Degni
tariffa EarlyBird per gli iscritti entro il 28 Marzo 2015
INFO: http://www.arturotedeschi.com/wordpress/?project=form-finding-strategies-avanzato
La simulazione fisica interattiva, integrata nell’ambito della modellazione parametrica consente di indagare nuove soluzioni formali ottimizzate per l’architettura ed il design. Il workshop approfondirà le strategie e le principali tecniche di FORM FINDING utilizzando il motore fisico KANGAROO integrato a plugin di analisi strutturale (MILLIPEDE e KARAMBA). Le tecniche saranno applicate a diversa scala: dall’architettura (modellazione di superfici e coperture a semplice compressione) al design del prodotto, dove la simulazione digitale sarà integrata a tecniche di refinement (WEAVERBIRD). Il workshop e rivolto a studenti e professionisti con conoscenze base di modellazione algoritmica con Grasshopper.
Il programma approfondirà le metodologie e gli strumenti atti ad individuare soluzioni strutturali ottimizzate (es. superfici a semplice compressione) attraverso un’ampia trattazione di casi studio (Ponte sul Basento, Copertura British Museum) e l’applicazione di tecniche digitali basate sul form-finding gravitazionale e l’analisi FEM (Finite Element Method). Nella seconda parte del corso gli studenti affronteranno lo studio di innovative tecniche di ottimizzazione (Evolutionary Structural Optimization ed Extended Evolutionary Structural Optimization) basate sulla eliminazione della materia ridondante per una geometria assegnata, caratterizzata da un determinato sistema di vincoli, sottoposta ad una specifica condizione di carico.
…
Permalink Reply by Manuel Rodriguez 6 hours ago
Delete
yes!perfect! It has been a good example! The only thing that I would like to change is, that, instead of deform that following the control points on the surface's perimeter, I would like to deform all, with points in the shapes (in the middle of the circle for example). It is because I want, for example, the biggest circle in point 2, and the smaller circle in point 7. So, is it possible to do?
Summing up, is do the same, but changing the control points, putting them on the shapes (circles) instead the perimeter.
Thank you very much Danny and Chris, you are being really useful for me!
Thanks! Manuel
…
nt should stand up to reasonable, Socratic interrogation with logical and descriptive rigor. For example, I find entirely credible an architect who suggests that he placed his buildings 20 meters apart because he thought that it would make people more comfortable in light of his reading of the space relative to its environment, materiality, expected time of habitation/circulation, etc. His "thinking" such things is, for the most part intuitive, and backed by deductive logic. (Of course integration of wind analysis and other harder readings is obviously desirable) But I interpret the active denial of intuition's crucial role in design as at the heart of its current deplorable trending toward misuse of terminology, application of pseudo-science and intellectual over-reach. Architects wade out of their waters precisely when they invoke such things as human psychology or perception.
Furthermore, I believe that architects - student and professionals alike - regularly make formal decisions according to their aesthetic judgement. To suggest that students aren't qualified to make a design decision during their studies because they think it's formally successful seems exceedingly stingy; likewise, suggesting that a professional architect shouldn't rely on it is puzzling to me. I find architects' attempts to justify what are obviously decisions based on formal taste using other means often taking the same form of obfuscation that makes architects appear to be intellectual charlatans to specialists in other fields. Taste is taste. I would agree that it can't be taught. But good architectural design certainly remains at least somewhat grounded in artistic sensibility.
3) I'm by no means advocating that all architects must master every detail in their work. Rather, that architects have at least a generalist's working knowledge of materials and construction systems. Floors don't levitate, and windows require depth; rules of thumb count as vital knowledge.
4) I would say that consideration of performance-driven properties falls under basic understanding of how a building will operate in its given environment. For example, if you've designed a glass house in Arizona, ur doing it wrong. The more simulation and science you have, the better. Indeed, I think that such elements - wind analysis, solar gain analysis, structural performance - represent the most solid opportunities today for architects to assert the harder lines of defense in their design decision making...say for example, being able to demonstrate using basic geometry that your shade keeps the sun out in summer, but lets it in when it's cold.…
Horticulture and Landscape in same time.
The most common plastic materials used as agricultural films are the low density polyethylene (LDPE, with a density less than 0.93 kg m−3), the copolymer of ethylene and vinyl-acetate (EVA)
Also here you can find the characteristics of the flexible materials for greenhouse covers (adapted from CPA, 1992 and Tesi, 2001) as much as i get.
UV-PE Film ( UV-PE~ polyethylene Long life or UV)
Thickness (mm) = 0.18
Direct PAR transmissivity (%) = 90
Diffuse PAR transmissivity (%)= 86
Long-wave IR transmissivity (%)= 65
EVA Film ( EVA~Ethylene vinyl-acetate copolymer)
Thickness (mm) = 0.18
Direct PAR transmissivity (%) = 90
Diffuse PAR transmissivity (%)= 76
Long-wave IR transmissivity (%)= 27
and here you will find the global heat transfer coefficient’ (K in W m−2 °C−1) for the above greenhouse covering materials, measured under normalized conditions (temperatures: exterior: −10°C, interior: +20°C, wind: 4 m s−1). (Source: Nisen and Deltour, 1986.)
Cover Clear sky Overcast Sky
Single PE 8.8-9.0 7.1- 7.2
Single EVA 7.8 6.6
Note : the PAR radiation (photosynthetically active or photoactive radiation and its the amounts to 45–50% of the global radiation; Berninger, 1989)
The name PAR is used to designate the radiation with wavelengths useful for plant photosynthesis. It is accepted that the PAR radiation ranges from 400 to 700 nm (McCree, 1972), although some authors consider the PAR from 350 to 850 nm.
The composition of the radiation changes with time, as a function of the Sun’s elevation and the cloudiness. When the Sun is low over the horizon, the short wavelengths are reduced (less UV and more red). The clouds reduce the amount of energy, greatly decreasing the NIR.
The PAR proportion in relation to the global radiation increases with scattering (diffusion). It is lower with clear sky and in the summer (45–48%).
kind regards
rafat …
ne – power of the many è un corso advanced level che studia la produzione di effetti complessi a partire dalla modellazione di comportamenti semplici su un insieme strutturato con un numero alto di elementi. Attraverso un approccio generico e scaleless sarà possibile affrontare la tematica generale su più fronti e in una molteplicità di declinazioni possibili. Il corso è rivolto a chi,indipendentemente dal proprio background (urbanistica, architettura, ingegneria, design, arte o altro) già possiede una esperienza di base con Rhinoceros e Grasshopper, e desidera sviluppare aspetti di gestione avanzata del flusso di articolato di informazioni attraverso una strategia guidata basata su esempi pratici e sull’implementazione di un progetto personale sul tema generale del “field behaviour”. Sarà trattato anche l’utilizzo di alcuni plug-ins quali gHowl e WeaverBird. Il numero dei partecipanti è fissato a un massimo di 20 per offrire un tutoraggio proficuo ed una effettiva esperienza di learning ad ogni iscritto.
[.] Temi:
teoria
. complessità, emergence, effetti di campo (field behaviour), sensibilità, efficienza multiperformance
tecnica
. dati:gestione e manipolazione avanzata del data tree, streaming e visualizzazione; transizione, blending e modulazione delle geometrie; generazione e controllo multiperformance di popolazioni di componenti; attrattori, drivers e tecniche di modulazione avanzate; uso delle mesh con WeaverBird; ottimizzazione con Galapagos
[.] Dettagli :
Tutors: Alessio Erioli + Andrea Graziano – Co-de-iT
Si richiede esperienza di base nella modellazione in Rhino (equivalente a Rhino training Level 1, il Level 2 è gradito – la documentazione per il training è disponibile gratuitamente all’indirizzo: http://download.rhino3d.com/download.asp?id=Rhino4Training&language=it) e nell’uso di Grasshopper (la suddivisione di una superficie NURBS in componenti tramite isotrim è data come base assodata)
. luogo:
IreCoop – via Vasco De Gama 27 _ Firenze
. durata:
25-27 febbraio 2010 – 3 giornate consecutive _ orario 9:00 – 18:00
. costo:
professionisti – 450.00 € studenti – 280.00 €
. note:
scadenza iscrizioni: 20 febbraio 2010 il corso sarà attivato con un numero minimo di 15 iscritti al termine sarà rilasciato un attestato di frequenza gli iscritti dovrano venire muniti dei propri laptop con software installato. una versione free per 30 giorni è disponibile sul sito www.rhino3d.com
. contatti:
iscrizioni + info alloggi: www.irecooptoscana.it (Cosa offriamo > formazione > altri corsi)
info sul corso: info@co-de-it.com…