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Comment on: Topic 'Image sampler external file path loading delay': So it would appear that it is not the function itself that is the problem, but something else. If you are using UNC paths, make sure to wrap them in " " in case there are spaces in any parts of the path. Once you convert from file path to UNC you will also see if it is on a server and can then not create a file watcher if for some reason in your case it CANT use a network drive as advertised. Can I ask why you need the file watcher in the first place? I get that in theory its nice for the file to update instantly, but I can just use a timer or it would be nice to have an update pin on the file reader. Same with the image sampler, I dont need or even want it to always update instantly without being able to turn it off. With the advent of always autosaving software I'd rather not have my GH script constantly reevvaluate if I am working on a file that it is referencing in the script. Especially if I had to choose between automatic updates and not being able to use a file server/NAS, making all updating useless, because I have to copy the files locally first anyways. So the only way to actually get files to update across several computers with GH open is to use Dropbox, which is not really an option in larger firms and an incredible waste of resources uploading/downloading via the cloud. Sorry to be rambling on about this, but its so incredibly frustrating to have to always copy images to the desktop first and then on another machine the image isnt there or its not the latest version, which like I said makes the filewatcher totally useless in its original purpose.…; Added by Armin Seltz at 4:21am on March 27, 2017

Photo: BLOOM_02: ideo Construction Time Lapse A sun-tracking instrument indexing time and temperature, with a shape alluding to a woman’s Victorian-era under garment, "Bloom" stitches together material experimentation, structural innovation, and computational form and pattern-making into an environmentally responsive form. Made primarily out of a smart thermobimetal, a sheet metal that curls when heated, the form’s responsive surface shades and ventilates specific areas of the shell as the sun heats up its surface. With the aid of complex digital softwares, the surface, made up of approximately 14,000 lasercut pieces, is designed for peak performance on spring equinox, March 20, 2012. Composed of 414 hyperbolic paraboloid-shaped stacked panels, the self-supporting structure challenges the capability of the materials to perform as a shell. The panels combine a double-ruled surface of bimetal tiles with an interlocking, folded aluminum frame system. Like the undulation of the surface, the frame, by nature of its folds, is designed to appear on the inner or outer surface at the same cadence of the peaks and valleys. The final monocoque form, lightweight and flexible, is dependent on the overall geometry and combination of materials to provide comprehensive stability. In some areas of "Bloom", the hypar panels are made stiffer by increasing the number of riveted connections, while, in other areas, the panels are deeper to increase structural capability. The severely twisted panel shapes aid in the performance of the surface and challenge the digital and fabrication capabilities of parametric design. Within a single panel, portions of the surface directly face the sun, while the other side is in the shade and requires no reaction or curling. The result is dramatic variation in tile shapes and function within each panel. dO|Su Studio Architecture Location: Materials + Applications Gallery Image credit: Erin Cuevas…; Added by Dylan Wood at 9:49am on December 19, 2011

Topic: Creating variations in a triangulated truss system: s in. I've used this tutorial to create the triangulation, and it's working well enough, but now I wish to be able to have a denser truss in the middle of the bridge and less dense closer towards the ends (to illustrate the amount of force needed at the various parts of the bridge). This also creates a more interesting experience inside the structure. I've included my roof surface and Grasshopper triangulation. Hopefully someone can point me in the right direction here, as I don't quite know how to do this with my current Grasshopper program. I've thought of trying a plugin called StructDrawRhino, but I figured I'd ask here as well. …; Added by asperger at 3:26pm on October 17, 2012

Topic: Clear cache / visualisation - Python: moving through space given certain rules. I am running a "for i in range loop", given the number of step my points have to go through, and I am performing all the operations during each step with enable redraw = false. At the end of each step I am - enabling the redraw to show only the new positions plus a trail, - pausing the loop with a time.sleep(n-seconds) - disabling the redraw - running the loop again. The problem is that sometimes, even if it should show what is happening-pause-run again, the redraw just shuts off and the script run until the last loop and then shows the final results. The only way I found at the moment to keep him working a bit longer is adding a gc.collect(), but I was wondering if there are other way to clean the rhino cache as well (provided it is that that disable the preview of what is happening), or anyway clear garbage data that is piling at each step. Just to recap the structure would be: for a certain number of steps >>> perform some operations >>> show the results >>> pause/clear the garbage >>> hide the visualisation Thanks in advance V. …; Added by Vincenzo Reale at 9:57am on January 18, 2015

Topic: Python and Anenome - fast solver: nd on since then, I have tried to write a solution using Python and Anenome but am getting absolutely nowhere. I've been a programmer for ~40 years but don't know Python. I'm sure my "binary search" code is wrong but there are so many other problems getting the code to run at all that I can't debug it. One of the frustrations is GH's prohibition against recursion, of course, but that doesn't always stop the code from producing results - I just can't see any consistency about why it fails? Another problem is code errors often don't show up unless I save the file, quit GH, restart GH and re-open the file. THEN I see error messages that might be useful. I sincerely believe that a "fast solver" component like this could be widely useful for GH applications. Can anyone here please make this (or something like it) work? The output of the Anenome 'Loop End' component connects to the 'V' input of 'ReMap', replacing the 'Z-offset' slider in the green panel, which is otherwise used to "solve" the problem manually, by trial and error.…; Added by Joseph Oster at 12:09pm on September 18, 2015

Topic: Karamba Help: cted with a vault.Like single net construction with catenarys for the walls.Therefore i used basically the way this guy did in the video:https://www.youtube.com/watch?v=E4Bkeh57B88This is the flooplan for it (yes, i should do the "Gaudi") and the red marking circles are my anchor points / supports. (I didn't do all, but i think you can imagine). So far so good. I did already the basic file in grasshopper and karamba but i have a few problems.It didnt work when i used concrete as a material, so i tried to set the settings from gum. But that didnt get better.My question is: Is the material a problem for a structure like that and which one would you take? If it will work then, will there be catenarys or do i have to change my script? Thanks so much and sorry, I'm totally new in this program.…; Added by Bibi at 5:44am on January 14, 2017

Topic: Need help to planarize surfaces (with Kangaroo): ssage says that I don't have enough points for a polyline. Each surface is tilting at a certain angle that's why they are not planar - that is based on another script I did earlier. Is there are way to make them planar while keeping the gaps in between as small as possible? Thanks in advance! …; Added by Natalie at 8:28am on April 2, 2017

Blog Post: AA_ Aarhus X Daniel Piker

Hi everyone,

We are proud to announce our final keynote lecturer and he works atFoster + Partners, but is also the…

Added by Jens Pedersen at 5:42am on July 17, 2015

Photo: BLOOM_00: ideo Construction Time Lapse A sun-tracking instrument indexing time and temperature, with a shape alluding to a woman’s Victorian-era under garment, "Bloom" stitches together material experimentation, structural innovation, and computational form and pattern-making into an environmentally responsive form. Made primarily out of a smart thermobimetal, a sheet metal that curls when heated, the form’s responsive surface shades and ventilates specific areas of the shell as the sun heats up its surface. With the aid of complex digital softwares, the surface, made up of approximately 14,000 lasercut pieces, is designed for peak performance on spring equinox, March 20, 2012. Composed of 414 hyperbolic paraboloid-shaped stacked panels, the self-supporting structure challenges the capability of the materials to perform as a shell. The panels combine a double-ruled surface of bimetal tiles with an interlocking, folded aluminum frame system. Like the undulation of the surface, the frame, by nature of its folds, is designed to appear on the inner or outer surface at the same cadence of the peaks and valleys. The final monocoque form, lightweight and flexible, is dependent on the overall geometry and combination of materials to provide comprehensive stability. In some areas of "Bloom", the hypar panels are made stiffer by increasing the number of riveted connections, while, in other areas, the panels are deeper to increase structural capability. The severely twisted panel shapes aid in the performance of the surface and challenge the digital and fabrication capabilities of parametric design. Within a single panel, portions of the surface directly face the sun, while the other side is in the shade and requires no reaction or curling. The result is dramatic variation in tile shapes and function within each panel. dO|Su Studio Architecture Location: Materials + Applications Gallery Image credit: Dylan Wood…; Added by Dylan Wood at 3:39pm on December 19, 2011

Comment on: Topic 'How to get one branch out of a tree and store it in a list? in C#': ld work. For example there's a grid shell and I've got a number of control points (for example 3) that can move up and down. Depending on the control points I get forms that are structurally good and some that are bad. In my office we've got a GH-Component, which leads the geometry in structural members and solves the structural forces and so on through an external Software called Sofistik and afterwards gives back to GH some Values, for example maximum bending moments. (Like Karamba) Now I want to create this optimization component or something like that to minimize e.g. the bending moments in the given geometry. Let's start with the work of the component. So when I've three control points that can only move in z-direction. P1(0,0,Z1), P2(10,0,Z2), P3(5,5,Z3) They only depend on Z, so everything depends on Z1 to Z3 which have a range between 0 and 10 f.e. First I want to get some (between 9 and 15) random Particles, one particle consists of this 3 different Z's. So for example the first particle Part1 is [Z1=10, Z2=5, Z3=7] and the second particle Part2 is [Z1=7, Z2=1, Z3=9] and so on. I created these Start Particles in a Cluster. See attached file. I also tried this in C#, but thought it is easier in GH. After I've got the Start Particles I want to give out the first particle and evaluate with its including Z's the target value in GH. Therefore I had to take the first branch and graft this branch (Discussion before) Afterwards I want to save this Target Value that depends on the first starting Particle. Then I want to give out the second starting Particle to evaluate its target Value and store it. And so on till the last target Value of the last Starting Particle got assigned. Then I want to assign the particles with its target values. E.g. part1: t=0.9, part2: t=1.8... Then I want to define neighborhoods or the count of the expected local minima. These neighborhoods can look like: Each neighborhood has to include not less than 3 particles. And the particles have to be next to each other. E.g. if there are 12 particles and I want to have a look for 3 local minima, I need 3 or 4 neighborhoods. Then I would take 3 neighborhoods, because the more particles in one neighborhood, the better. So the Count of the neighborhoods would be N=min{(Count of Part/3)& N_min} How to define these neighborhoods I don't know at the moment. I think it has to be searched for the distance between the particles. E.g. part1 with (9,9,9) and part2 with (9,9,8) are next to each other but part 3 with(1,1,2) is far away. Then each StartParticle is set to Partx_localbest. And in each Neighbourhood the best of these localbeststs is Part_NyBest. (The best ist the one with the smallest target Value) Loop: Now I want to create new Particles. These Particles don't change their Z-values randomly. They change their Z-Values depending on Part_NxBest and Part_localBest. Therefore it has to be evaluated a new velocityfactor with v_Partx_new=0,792*v_PartxOld+1,5*random(0,1)*(partx_localbest-partx)+1,5*random(0,1)*(part_NyBest-partx) The new particles will then be partx_new=partx+v_Partx_new. The new Particle partx_new will be set to partx and then set in the output. then there has to be caught the targetValue of part1 afterwards part2 can be put out and its target value caught and so on. Then it has to be looked for the Partx_localbest through comparing the partx_localbest and its target value with the new part_x and its target value. If the target value of the new partx is smaller than partx_localbest, then partx_localbest is the new partx. This has to be done for each partx. Afterwards the same for neighborhoods best (best of all partx_localbest in one neighborhood) Endloop if velocity gets small. Output all part_NxBest Output all targetvalues of the part_NxBests. So in the Input there have to be: StartParticles if they are given through the cluster attached. Device on the target Value like in the attached gh.file from David Rutten I found in the discussions Count of neighborhoods And in the output Output particle for evaluation Output all part_NxBest Output all targetvalues of the part_NxBests Hope didn’t forget anything. And hope it isn’t crushed to badly. Sorry for my bad English by the way ;-) For more explanation, how the PSO works in other programs. There’s attached a workflow script (is it called like that?) I think for GH it should be a little bit changed like I tried in my explanations. So if you can help me a in some parts or you have any advices would be great, otherwise thank you nevertheless!!!! Thankfully there’s no limit for the words in the discussions :-D Best, Heiko …; Added by Heiko Mue at 7:37am on September 2, 2015