Grasshopper

algorithmic modeling for Rhino

Hello all, and thank you Yannis for this great plugin !

I am making a definition to pack a number of objects (slices of topography for a physical model) onto boards. 

I am running into some trouble:

First, any idea why one of my pieces comes out as an "element that did not fit", considering I have plenty enough containers? In my definition it is part number 30 of 42. So neither the first nor the last. This is very problematic here as some pieces are disappearing from the result.

Second, it is a bit strange that Packrat starts packing elements well, one container after another, but suddenly skips containers. The only way to have it right is to have the exact number of containers for the elements (in my case 6 containers).

This last part leads me to wonder if there is any way to decide on the number of containers depending on how many Packrat would need ? i.e give a base container and let Packrat multiply it if need be in order to fit all the input elements.

Any help would be very greatly appreciated ! Thanks!

By the way, I am using the Educational version of the plugin.

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Replies to This Discussion

I fixed the element that did not fit problem, it was a question of element height compared to the container box. For some reason it worked with all other pieces but not this one. By adding a small tolerance it packs all pieces well.

Still no idea for the second behaviour.

hi quentin

i am trying to use packrat as you mentioned in this post

i am running into the same problem

would you mind sharing your definition?

regards

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