he example file to this file so you can give it a try with any version of Honeybee that you're already using. The only requirement is to have OpenStudio installed as the component is using OpenStudio libraries to parse gbXML files. If you're using the latest version available on github the component is also available under WIP tab.
Why?
The main purpose of developing this component is to save time and effort for importing Revit models for energy and daylight analysis. It bothers me to see a lot of smart people spend a lot of time to just come up with solutions just to get the geometry from Revit to Honeybee for analysis. This component is not solving all the issue but is a first step forward. In an ideal world, the future version of Honeybee, which works both under DynamoBIM and Grasshopper should address this issue but that can take some time to be fully ready!
How?
To use this component you need to Export your Revit model as gbXML and then use the file path to load the file into Grasshopper. There are several resources available online on how to prepare the analytical model in Revit and export the gbXML file. Here is an image for importing the Revit 2017 sample model using the default settings. As you can see the model will be just as good as what your original gbXML file from Revit is.
What can be improved?
Well, there are several items that can be improved and they are mostly not on us. To get it started I add what I think are the 3 main shortcomings and my thoughts on how they can be addressed in the future. Feel free to add what you think needs to be added to this list in the comments section.
1. Revit analytical models and as the results gbXML files, by design, are not intended to be clean. Watch this presentation from the Autodesk University to see the logic behind this approach which in short is it doesn't matter for a large scale early stage energy model. Well, This will be quite a problem for studies that you can do with Honeybee. Included but not limited to daylight and comfort analysis.
The best solution that I can think of, until Autodesk fixes their exporter, is to use Revit Rooms and Spaces and generate a clean model from the scratch. We have already tried this approach in Revit but since the Revit API doesn't provide access to Room openings we had a very hard time to get it to work.
That's why that I opened an idea on Revit ideas to get over this issue. With your support we already have 81 votes, but it hasn't been enough to make them to consider the idea for an official review. If you haven't voted already and you think this will be a helpful feature take a moment and vote so we can have it implemented at some point in the future.
2. There is no way (that I know) to export only part of the model. The way export gbXML is set up in Revit is to export the whole model once together. As a result, if you have a huge model with 100 rooms and you want to get one of the rooms into Honeybee using this component you have to export the whole model, which can take some time, and then import them all back into Grasshopper. To partially address this issue I added an input to the component that allows you input a list of names for rooms that you're interested to be loaded into Grasshopper. You can use the name of the room/space in Revit as an input for the component.
3. The component doesn't import adjacencies, loads, schedules and HVAC systems. I wasn't able to export a gbXML file from Revit with any of this data except for the adjacency, but even if you can do that, the component currently can only import geometries and constructions. I hope we get access to 1 and so we don't have to use the xml file approach at all, but if that takes a very long time then we will add these features to the component.
Happy 2017!
Mostapha…
ed file and code below:
Color ColorAt(Mesh mesh, int faceIndex, double t0, double t1, double t2, double t3) { // int rc = -1; var color = Rhino.Display.Color4f.Black;
if( mesh.VertexColors.Count != 0) { // test to see if face exists if( faceIndex >= 0 && faceIndex < mesh.Faces.Count ) { /// Barycentric quad coordinates for the point on the mesh /// face mesh.Faces[FaceIndex].
/// If the face is a triangle /// disregard T[3] (it should be set to 0.0).
/// If the face is /// a quad and is split between vertexes 0 and 2, then T[3] /// will be 0.0 when point is on the triangle defined by vi[0], /// vi[1], vi[2]
/// T[1] will be 0.0 when point is on the /// triangle defined by vi[0], vi[2], vi[3].
/// If the face is a /// quad and is split between vertexes 1 and 3, then T[2] will /// be -1 when point is on the triangle defined by vi[0], /// vi[1], vi[3]
/// and m_t[0] will be -1 when point is on the /// triangle defined by vi[1], vi[2], vi[3].
MeshFace face = mesh.Faces[faceIndex];
// Collect data for barycentric evaluation. Color p0, p1, p2;
if(face.IsTriangle) { p0 = mesh.VertexColors[face.A]; p1 = mesh.VertexColors[face.B]; p2 = mesh.VertexColors[face.C]; } else { if( t3 == 0 ) { // point is on subtriangle {0,1,2} p0 = mesh.VertexColors[face.A]; p1 = mesh.VertexColors[face.B]; p2 = mesh.VertexColors[face.C]; } else if( t1 == 0 ) { // point is on subtriangle {0,2,3} p0 = mesh.VertexColors[face.A]; p1 = mesh.VertexColors[face.C]; p2 = mesh.VertexColors[face.D]; //t0 = t0; t1 = t2; t2 = t3; } else if( t2 == -1 ) { // point is on subtriangle {0,1,3} p0 = mesh.VertexColors[face.A]; p1 = mesh.VertexColors[face.B]; p2 = mesh.VertexColors[face.D]; //t0 = t0; //t1 = t1; t2 = t3; } else { // point must be on remaining subtriangle {1,2,3} p0 = mesh.VertexColors[face.B]; p1 = mesh.VertexColors[face.C]; p2 = mesh.VertexColors[face.D]; t0 = t1; t1 = t2; t2 = t3; } }
/** double r = t0 * p0.FractionRed() + t1 * p1.FractionRed() + t2 * p2.FractionRed(); double g = t0 * p0.FractionGreen() + t1 * p1.FractionGreen() + t2 * p2.FractionGreen(); double b = t0 * p0.FractionBlue() + t1 * p1.FractionBlue() + t2 * p2.FractionBlue();
ON_Color color; color.SetFractionalRGB(r, g, b);
unsigned int abgr = (unsigned int)color; rc = (int) ABGR_to_ARGB(abgr); **/ var c0 = new Rhino.Display.Color4f(p0); var c1 = new Rhino.Display.Color4f(p1); var c2 = new Rhino.Display.Color4f(p2); float s0 = (float) t0; float s1 = (float) t1; float s2 = (float) t2;
float R = s0 * c0.R + s1 * c1.R + s2 * c2.R; float G = s0 * c0.G + s1 * c1.G + s2 * c2.G; float B = s0 * c0.B + s1 * c1.B + s2 * c2.B; color = new Rhino.Display.Color4f(R, G, B, 1); } } return color.AsSystemColor(); }
…
Introduzione a Grasshopper", il primo manuale su Grasshopper.
.
I corsi PLUG IT nascono dalla volontà di promuovere le nuove tecnologie digitali di supporto alla progettazione e condividere il know-how maturato attraverso ricerca, collaborazione con i più importanti studi di architettura e pubblicazioni internazionali.
.
Verranno introdotte le nozioni base di Grasshopper approfondendo le metodologie della progettazione parametrica e le tecniche di modellazione algoritmica per la generazione di forme complesse. Il corso è rivolto a studenti e professionisti con esperienza minima nella modellazione 3D e si articolerà in lezioni teoriche ed esercitazioni.
. Argomenti trattati:
- Introduzione alla progettazione parametrica: teoria, esempi, casi studio - Grasshopper: concetti base, logica algoritmica, interfaccia grafica - Nozioni fondamentali: componenti, connessioni, data flow
- Funzioni matematiche e logiche, serie, gestione dei dati - Analisi e definizione di curve e superfici
- Definizione di griglie e pattern complessi - Trasformazioni geometriche, paneling - Attrattori, image sampler
- Data tree: gestione di dati complessi - Digital fabrication: teoria ed esempi - Nesting: scomposizione di oggetti tridimensionali in sezioni piane per macchine CNC
.
Verrà rilasciato un attestato finale.
.
Ulteriori info e programma completo su: www.arturotedeschi.com e su www.edizionilepenseur.it…
ay how many valid permutations exist.
But allow me to guesstimate a number for 20 components (no more, no less). Here are my starting assumptions:
Let's say the average input and output parameter count of any component is 2. So we have 20 components, each with 2 inputs and 2 outputs.
There are roughly 35 types of parameter, so the odds of connecting two parameters at random that have the same type are roughly 3%. However there are many conversions defined and often you want a parameter of type A to seed a parameter of type B. So let's say that 10% of random connections are in fact valid. (This assumption ignores the obvious fact that certain parameters (number, point, vector) are far more common than others, so the odds of connecting identical types are actually much higher than 3%)
Now even when data can be shared between two parameters, that doesn't mean that hooking them up will result in a valid operation (let's ignore for the time being that the far majority of combinations that are valid are also bullshit). So let's say that even when we manage to pick two parameters that can communicate, the odds of us ending up with a valid component combo are still only 1 in 2.
We will limit ourselves to only single connections between parameters. At no point will a single parameter seed more than one recipient and at no point will any parameter have more than one source. We do allow for parameters which do not share or receive data.
So let's start by creating the total number of permutations that are possible simply by positioning all 20 components from left to right. This is important because we're not allowed to make wires go from right to left. The left most component can be any one of 20. So we have 20 possible permutations for the first one. Then for each of those we have 19 options to fill the second-left-most slot. 20×19×18×17×...×3×2×1 = 20! ~2.5×1018.
We can now start drawing wires from the output of component #1 to the inputs of any of the other components. We can choose to share no outputs, output #1, output #2 or both with any of the downstream components (19 of them, with two inputs each). That's 2×(19×2) + (19×2)×(19×2-1) ~ 1500 possible connections we can make for the outputs of the first component. The second component is very similar, but it only has 18 possible targets and some of the inputs will already have been used. So now we have 2×(18×2-1) + (18×2-1)×(18×2-1) ~1300. If we very roughly (not to mention very incorrectly, but I'm too tired to do the math properly) extrapolate to the other 18 components where the number of possible connections decreases in a similar fashion thoughout, we end up with a total number of 1500×1300×1140×1007×891×789×697×...×83×51×24×1 which is roughly 6.5×1050. However note that only 10% of these wires connect compatible parameters and only 50% of those will connect compatible components. So the number of valid connections we can make is roughly 3×1049.
All we have to do now is multiply the total number of valid connection per permutation with the total number of possible permutations; 20! × 3×1049 which comes to 7×1067 or 72 unvigintillion as Wolfram|Alpha tells me.
Impressive as these numbers sound, remember that by far the most of these permutations result in utter nonsense. Nonsense that produces a result, but not a meaningful one.
EDIT: This computation is way off, see this response for an improved estimate.
--
David Rutten
david@mcneel.com
Poprad, Slovakia…
Added by David Rutten at 12:06pm on March 15, 2013
ization processes aiming in maximizing the quality of buildings based on the daylighting, light levels, radiation and views. The first webinar in the Optimization Bundle introduce participants to metaheuristic optimization solving techniques. The training will cover evolutionary and particle swarm optimization applied to environmental problems such as radiation or amount of sunlight hours confronted with views. Grasshopper plug-ins used: Silvereye, Galapagos, Octopus, Opossum, Ladybug, Honeybee, Elk, Leafcutter Adrian KrężlikAdrian is a co-founder of Architektura Parametryczna - the biggest Polish firm dedicated to parametric education and co-founder of Parametric Support, a Berlin tech startup developing optimizationtechniques for architecture.He worked and collaborated on large scale projects in China, Saudi Arabia, US for the most innovative companies like Zaha Hadid Architects in London, FREE Fernando Romero, Rojkind Arquitectos inMexico implementing digital strategies into design. In his work he focuses on use of new media in design and construction processes. He is an active player across parametric scene - teaching andorganizing workshops, participating in Design Weeks, lecturing Parametric Design and Robotic Fabrication at School of Form and collaborating with several universities.The online webinar lasts 2 hours. The same session takes place twice on 7 January 2017: 1st session (https://goo.gl/haXsus): 9am London, 10am Paris, 12pm Moscow, 1pm Dubai, 2:30pm Mumbai, 5pm Beijing, 6pm Tokyo, 8pm Melbourne 2nd session (https://goo.gl/S6463C): 10am Los Angeles, 1pm New York, 6pm London, 7pm Paris, 9pm Moscow www.rese-arch.org…
Added by Jan Pernecky at 1:04pm on January 2, 2017
y turning lines into stacks of anti-prisms and then calculating a triangulated convex hull around each hub that uses the vertices of the ends of such struts. The low poly result can be subdivided (Weaverbird Loop) to smooth it.
It comes with several preset unit cell types for filling arbitrary bodies with a lattice, and also has a custom unit cell component. But it's broken.
IntraLattice has a tolerance bug that is easy to fix by just scaling your model up 10X when you notice bad mesh results. This is a separate issue.
It's as if it doesn't like lines to end on edges of the unit cell, only faces and corners. A diagonal line from edge-to-edge (and then all lines split with each other) goes missing, half missing, or oddly enough becomes zig-zag in the array when it should be straight.
I also don't like that the developer added a limitation error warning that all faces must have a line on them. This means I can't fill space with layered spaces in between trusswork, for instance.
The custom unit cell code also sadly rejects curves, yet IntraLattice itself can handle curves just fine.
I also note that that clean-up component only removes duplicate lines, fine, but it doesn't join pairs of co-linear lines, something that occurs often when playing around with unit cells. This seems to cause bad meshes since it tries to put a hub where the line segments need merely be joined or treated as one line.
There's also a bug in the nice custom mesh preview component that sometimes has the preview stuck on even if you delete the component from the Grasshopper canvas since disabling it or shutting off preview of it fails.
It's been two years since an update to this open source plug-in, so I've contacted the developers on Github since the contact form is Server Error 500: http://intralattice.com/contact/
On Github, he promises a new version in 2017 as a stand-alone application, so I hope this extends to Grasshopper in some way, if not directly, then as some way to hook into it.
…
Added by Nik Willmore at 4:28am on October 10, 2017
installing or running.Here is the direct link to download the PanelingTools installer. Simply double click the downloaded file and follow the prompts to install:https://www.rhino3d.com/download/panelingtools/1/wip/rcImportant Note:You will need the latest Rhino 6 Beta to run the new PanelingTools. Download from here:https://www.rhino3d.com/download/rhino-for-windows/betaIf you own Rhino 5.0 License, then you can access Rhino 6 Beta now. Grasshopper installs and runs as part of Rhino 6 Beta.You can download older versions of PanelingTools and access documentation from one of the following:- PanelingTools Wiki: https://wiki.mcneel.com/labs/panelingtools- PanelingTools at Food4Rhino: http://www.food4rhino.com/app/panelingtools-rhinoA great place to post questions and suggestions is the McNeel Discourse Forum:https://discourse.mcneel.com/For those of you using PanelingTools in Rhino Mac, you can continue to access PT thought the commandline (type pt, and the commands will auto-complete). You can also access PT Grasshopper components by following the instructions here:http://www.grasshopper3d.com/group/panelingtools/forum/topics/pt-gh-for-the-rhinowip-for-the-macRelease Notes November 14, 2017:-------------------- PanelingTools is now compiled against the public Rhino 6 SDK. This will help with quick updates and improvements independent of the Rhino release cycle.- Paneling data is compatible between Rhino 6 Beta and earlier Rhino versions.- ptGridExtrude1 allows defining a rotation base point when you set a rotation axis (from point becomes the base).- Fixed the paneling output of partial patterns when the grid does not extend far enough to accommodate a full unit pattern.- ptWeaveGrids has now an option to weave by columns. It used to support weaving by row only.- Writing a reading managed patterns has been re-written.- Fixed a number of various bugs.Enjoy!Rajaa IssaRobert McNeel & Associates…
nd linear/planar tectonics. Within this new field of investigation, the Stuttgart VS will be researching into novel techniques of material mixtures and grading, associative design and double curvature surface generation.
For the second cycle of this exploration we will be based at the Institute for Lightweight Structures and Conceptual Design (ILEK) at the University of Stuttgart. Drawing from the Institute’s long history of experimentation and research on tensile structures instigated by Frei Otto in the 1960s and conducted at present by Werner Sobek, this year we will be focusing on the design and fabrication of materially graded membranes, as well as the application of UHPC and FGC on fabric formworks. The workflow followed will be divided into two stages:
1. Computing Membranes: Computational form finding methods will be taught by professional engineers and architects from ILEK and str.ucture GmbH. The aim will be to utilise the latest software technologies to form find membranes for textile structures, or fabric formworks for complex concrete structures. The results will be evaluated against criteria such as internal air pressure, as well as asymmetric and wind loading. The outcome of this research will inform the material grading procedures (i.e. changing the stiffness, thickness or porosity of the membranes themselves, or the consistency of the concrete poured into the formworks) that will follow in stage two.
2. Fabricated Grading: The digitally computed membranes or formworks will eventually be fabricated physically, utilising the workshop and robotic fabrication facilities at ILEK. The objective will be to rethink conventional research on tensile and concrete structures as isotropic constructs, by customising attributes such as materiality, reinforcement, rigidity, translucency, patterning, and porosity among others. The final, graded prototypes will be made up of mixtures of materials, all accurately engineered to respond to variable environmental, structural and aesthetic criteria, in essence forming multi-material structures that have finally caught up with the latest material developments.
Prominent Features of the workshop/ skills developed:
Teaching team consisting of AA diploma tutors and ILEK and str.ucture GmbH engineers.
Access to the Institute of Lightweight Structures and Conceptual Design (ILEK), the Materials Testing Institute and Concrete Spraying Robotic facilities at the University of Stuttgart, as well as to the office of str.ucture GmbH Structural Design Engineering.
Computational skills tuition on Grasshopper, Rhino Membrane, and Karamba.
Lectures series by leading academics and practitioners in architecture and engineering.
Fabrication of functionally graded membrane and/or concrete structures.
Eligibility
The workshop is open to current architecture and design students, PhD candidates and young professionals. Software Requirements: Rhino (SR7 or later) and Grasshopper.
Fees
The AA Visiting School requires a student fee of £595 and a young professional fee of £895 per participant, which includes a £60 Visiting membership fee.
The deadline for applications is 10 July 2017.
For more information, please visit:
http://www.aaschool.ac.uk/STUDY/VISITING/stuttgart?name=stuttgart
For inquiries, please contact:
mixedmatters@aaschool.ac.uk…
-UNESCO world heritage sites. The course includes technical software tutorials in cutting-edge software, a design component, and guest lecture series.
The Visiting school is an extraordinary travel, learning and networking experience as well as a credential for graduate studies and career opportunities. The course is focused on speculating architecture for MARS, the Wadi Rum desert is resemblant of Martian landscapes, where Ridley Scott's 'The Martian' was filmed starring Matt Damon. The course will focus on novel techniques in design and fabrication at multiple scales: material, architectural and urban.
Contact jordan@aaschool.ac.uk visit www.aavsjo.com for registration and details. Discounted shared hotel accommodations are available for international participants.
Instructors (since 2014):
Kais Al-Rawi
Julia Koerner
Vincenzo Reale
Rana Zureikat
Marie Boltenstern
Mohamed Makkouk
Filippo Nassetti
Guest Speakers:
Rob Mueller, NASA
Full Guests to be announced.
Past Keynote Speakers:
Ross Lovegrove
Ben Aranda
Mark Foster Gage
…