ou will see all of the available components on a ribbon at once so there is no need to keep clicking drop down menus.
It's all about discoverability with GH. What if you're a beginner and don't know about the Create Facility (dbl click canvas) how can you find Extr?
Even if you hover over every component or use the drop down lists you will not see the name Extr appear anywhere.
Sure it makes sense that Extr is short for Extrude but it's also the Nick Name of Extrude to Point component
So you can easily miss the fact that one has a Distance Input verses a Point Input.
I think I made the move to Icons around about the move from version 0.5 to 0.6, possibly before. I initially thought that I would go back to text because I loved the mono chromatic look of the text but I soon realised that Icons were the way forward. The greatest benefit is speed. You don't need to digest and decipher every component (which is written 90 degrees to the norm).
I'm not saying you should move to Icons forthwith but at least consider that once you have a better knowledge and understanding of GH, Icons will set you free.
My top ten tips that I would highly recommend to anyone wanting to better themselves with GH.
1) Turn on Draw Icons
2) Turn on Draw Fancy Wires
3) Turn on Obscure Components
4) Use the Create Facility like a Command Line eg "Slider=-1<0.75<2" or "Shiftlist=-1"
5) Use Component Aliases to customise your use of the Create Facility eg giving the Point XYZ component an alias of XYZ will bring it up as the first option on the Create Facility as opposed to the other possibilities.
6) Try to answer other people's questions even if it's not relevant to your own area. By looking into solving a problem outside of your comfort zone and then posting your results it is very rewarding but it also lets you see the other approaches that get posted in a new light.
7) Take the time to understand Data/Path structures.
8) Buy a second monitor - There is nothing that can compare to real estate when working in Grasshopper.
9) Read Rajaa Issa's Essential Mathematics
10) Pick a panel in a tab on the ribbon and get to know every component inside and out and then move on. Start with the Sets Tab > List Panel…
till quite rough.
I went through your attached log but it seems to be a successful run, perhaps the error log wasn't attached. In any case, I believe we have identified this issue. The goal of the update fvSchemes component was to apply schemes to finalized meshes in an automatic way. While this is useful for new users it is also a dangerous thing to do in CFD studies.
The component works by relating mesh quality to the mesh non-orthogonality, which the checkMesh component reports. While non-orthogonality is one of the important criteria of mesh quality it does present difficulties on some kind of meshes, especially like the simple cases that BF has been meshing so far.
The example case of simple box buildings in a wind tunnel above for instance will appear as a good quality case for even the lowest of cell-count meshes, simply because it is an orthogonal geometry. That means that checkMesh will probably report low values (imagine an empty blockMesh of 10m blocks has a non-orthogonality of 0) which in turn means that higher order schemes might be paired with actually low quality meshes. This I believe is causing problems.
I posted a possible solution to this here https://github.com/mostaphaRoudsari/Butterfly/issues/57. The idea is that Buttefly provides additional options to the users, enabling them to choose between first-order (faster, more robust, but lower quality schemes) and second-order (slower, less robust, but more accurate) schemes depending on mesh quality, stage of assessment, etc. In cases like the above mesh quality a first-order scheme might provide a better option. To test this I am attaching an fvSchemes file you can use by replacing yours in the /system folder of the case.
As a note however, I would like to stress there is so much that a tool like Butterfly can provide in this area. Meshing is a quite complicated and demanding part of the process, involving a lot of trial and error. Sometimes the problem is just the mesh and not the solution options (GIGO stands true in CFD as well). It does however get easier with experience. The safe advice is the simplest one: when changing solution options doesn't help, refine mesh and run again.
Kind regards,
Theodore.…
ino Mc Neel, autore di "Architettura Parametrica - 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. INFO E PRENOTAZIONI: http://www.arturotedeschi.com/wordpress/?p=2888…
ky.exe did not accept -p parameter and made empty sky.cal file.
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Edit: solved run problem, Bee did not download OpenStudioMasterTemplate.idf
Get it here: https://github.com/mostaphaRoudsari/Honeybee/issues/119
Now get empty HDR:
C:\ladybug\prox\imageBasedSimulation>rpict -i -t 10 -vtv -vp 245.129 -226.458 20 0.405 -vd -0.549 0.656 -0.518 -vu -0.332 0.397 0.855 -vh 42.862 -vv 26.991 -v l 0 -vs 0 -vl 0 -x 800 -y 600 -af prox_RAD_Perspective.amb -ps 8 -pt 0.15 -pj 0.6 -dj 0 -ds 0.5 -dt 0.5 -dc 0.25 -dr 0 -dp 64 -st 0.85 -ab 2 -ad 1024 -as 175 -ar 150 -aa 0.200 -lr 4 -lw 0.050 -av 0 0 0 prox_RAD.oct 1>prox_RAD_Perspectiv e.unf rpict: 0 rays, 0.00% after 0.0000 hours rpict: skybright`c__ladybug_skylib_cumulativeSkies_SINGAPORE_SGP_SINGAPORE_SGP_1 : undefined variable rpict: 1020 rays, 4.91% after 0.0000 hours
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Hi friends,
trying to get a cumulative sky image metric to run and encountered an issue with the image-based metrics component. It throws:
Runtime error (KeyNotFoundException): honeybee_materialLib Traceback: line 768, in main, "<string>" line 1442, in script
I guess this is some sort of setup issue on my end, or I messed up the definition? Any help appreciated.
Thanks,
Max
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try to get the output. In this case the output needs to be set before requesting for it. I am doing it with this call:
ret = gsaobj.Output_Init_Arr(1,"Global","A1",14003001,3)
In API help the call is documented like this:
short Output_Init_Arr (long iFlags, string sAxis, string sCase, enum ResHeader header, long num1dpos)
so this call has 5 arguments (long, string, string, long, long) (the enums are defined as longs)
This call works, because when I print the ret, i get 0 that is "succeded" so everything works so far.
Then I request the output with the following:
results = []
ret = gsaobj.Output_Extract_Arr(10,results,numcomponents)
In API help the call is documented like this:
short Output_Extract_Arr(long iRef, SAFEARRAY(struct GsaResults)*arrayResults, long* numComponents)
I am getting the error "
Runtime error (ArgumentException): Could not convert argument 1 for call to Output_Extract_Arr."
So it seems that is not accepting 10 as a long in the beginning (assuming that argument 1 is the first). I already tried passing a variable as long, using long(10) there, nothing works.
Furthermore I don't know if the other two variables are correct like that. I come from VBA where I need to declare everything but AFAIK python is more permissive in this sense. "results" should be a dynamic array of objects and "numcomponents" a long.
Any help would be appreciated!
Thanks! :)
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