In this Rhino Grasshopper tutorial, we are going to model a parametric facade.
When the optimization process is stopped or paused, is there any simple way of getting my hands on the values of the parameters for the Pareto-front configurations ? I’m using Octopus for gentic optimization on high constrained problems. The first version implements the Self-Adaptive Differential Evolution with Ensemble of Mutation Strategies (jEDE). ! So, I do have 3 sliders to control the thickness of the blinds and objectives are daylight and energy consumption. Then we will make a series of them to model the Is it possible to find any examples or does someone help me?I'm trying to optimize daylight and energy consumption by using Venetian blinds. You should get a basic introduction how it works in the examples then.I am trying Octopus for the first time; all of the tutorials and previous posts seem to have older components that make it so that the Octopus component does not load, proving to be unhelpful for me. The octopus strats working perfectly arranging solutions on the 3rd graph. Optimus is a new metaheuristic optimization plug-in for Grasshopper. I would like to minimize DGI, Minimize the energy consumption and maximize the daylight. https://www.grasshopper3d.com/group/octopus/page/octopus-examples Dear Octopus Group members, can anyone help me with better understanding of Octopus examples, I am still a beginner and I need to start with easy examples, or better explained examples that I can follow.Mesh Edges in Octopus' Viewport aren't supported yet although it would be no problem and just a matter of performance to draw a LOT of lines with WPF potentially.there are thoughts of a new purified release which could contain an option for that ..!Sorry I have one more question, Can i display the mesh edges of my meshes?the fourth one can be shown as the colour or the size of the solutions.There are three axis (xyz) in the Octopus display, when I test 4 objectives, where is this 4th objective represented in this Cartesian graph?I tried to name my objectives with strings to understand the interface but only the last string seem to be displayed in the graph...A very very simple example would really help :)Is there a way to select multiple solutions in Octopus viewport in order to hide some, focus on other, make groups...For instance, I have an objective that is always an integer, and I'd like do view all the solutions for which this objective equals 2, 3, 4 .. etc... separately.hi andreas, yes octopus has got two strategies of combining multiple goal values for the optimization - hypervolumeIndicator and SPEA2-Archiving.I'm using Octopus already, but I am currently picking records by hand.Is the 'weighting' of the different dimensions somehow part of Octopus itself, or must some kind of overall addition/calculation of criteria happen outside of Octopus? GrasshopperのKangaroo2パネルにあるコンポーネントの機能を日本語で記載しています。緑のボタンをクリックで各グループ一覧にジャンプします。 左にあるA~Cは重要度で、 A が一番重要度の高いコンポーネントになります。 Goals-6dof I notice that in the Genome input, it says "empty structure" even though it is connected. First, we are going to study how to model the opening and closing mechanism of the panels. Also, I don't understand how to specify what I want the volume and area to optimize to.
you can look, zoom and pan in the viewport of octopus with the same commands as in rhino, to examine the solutions.- Right mouse button + mouse movement: rotate the scenethis should give you a good overview of what EMO is.Traditionally, a good set of solutions for the user- is evenly distributed along its approximation of the pareto-front (check)- has extents in the search space as big as possiblei m trying to do a multi-objectives optimization using Octopus, but I m new in this field. While the self-adaptive approach updates crossover and mutation rates, the ensemble of mutation strategies uses three operators to find the optimal result.
… octopus seems to be a real black box.PS : i only had 1 fitness objective (price), i just activate the “diversify parameters” to see better(i’m also open to document about octopus, as not much literrature is accessible, or even others optimization tools with true/false input to validate each ind -galapagos doesn’t haveit)Octopus is not made for optimizations of just one objective. Features 0 video tutorials.
some knowledge on multi-objective optimization willbe good up front. I tried connecting brep to Phenotype input too but nothing works. you can plug meshes into the regular input of the octopus component, which should contain whatever you want to see in the graph. It allows the search for many goals at once, producing a range of optimized trade-off solutions between the extremes of each goal. Can you by any how figure what is wrong with it !
Is there an easy way to view the shapes on Rhino while "travelling" on the Pareto-front ?
Optimus is a new metaheuristic optimization plug-in for Grasshopper. First we use steall3d v2 to collide a series of random points together and then we are going to use delaunay mesh and dual graph to make the cells. How to integrate daylight and energy (as objectives) with thickness of blinds' windows (as genome) by using Octopus?does anyone know why the interface does not appear when I am double clicking the octopus component, knowing that I am connecting all inputswhen I run Octopus I get multiple solutions overlapped in Rhino view port at a time.
It seems like this can be done though.
The data is given like a % of the parameters' sliders. It seems to be independant from octopus : it’s like there is multiply ticks in my solution and that octopus (or even galapagos) only read the first one, which is actually the fitness of the previous individual, so genetics solvers are just brained and think that is the fitness of the current genome.By the way, in the octopus examples, (i think it’s the 3) you present a mono objective optimization (and just add “diversify parameters”)Is the first new value that is read, or it wait that all component have expirated = false ?Octopus and Galapagos (and most other solvers i guess) are setting a new value to the parameters, then set the ‘expireSolution’ flag on those components which makes all downstream components (all the dependencies of the parameters) update themselves.
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