Hi there,

I'm trying to save my umi file but i get this error: 

umi bundle export failed. Please contact support and provide the umi-error-report.txt file that has been placed on the desktop.

I'm attaching the error report here.



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Sorry you're having trouble. Was this a project you've ever successfully saved before?

Hi Cody,

Before running the simulation (when I was assigning templates to my buildings) I saved it, but after I ran the simulation and tried to save it on the same file, it gave me this error. Now I don't have any of the things that I saved previously, I can't even open my umi file...

It looks like the database got corrupted somehow. I've never seen this before. Unfortunately, all your template assignments are probably not recoverable. If you rename the .umi file to a .zip file you can open it up and extract the .3dm document, which will at least allow you to recover your Rhino geometry and start over. I'm really sorry about this - please post again if it happens again.

Thanks Cody. 

I wanted to combine umi with a generative algorithm that I've developed in grasshopper. The algorithm generates numerous community-scale urban design alternatives. I wanted to hook up umi with this algorithm so for every community that it generates umi would simulate it's energy consumption (I need minimum of 1000 samples prepared for ML training purposes). I think since I'm having this problem with one sample right now, umi won't be very reliable for running for 1000 samples... Do you have any suggestions? 

Unfortunately, as cool as that sounds, UMI's not really set up for automated control, so I suspect you'd have more trouble trying to do it than it's worth. As an alternative, you may be able to come up with some feature of your generated designs that proxies for energy consumption, and use that proxy for very fast, very rough simulation that's still good enough for your task. This is the technique used in my master's thesis: https://dspace.mit.edu/handle/1721.1/99253

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In Short

Umi is a Rhino-based design environment for architects and urban planners interested in modeling the environmental performance of neighborhoods and cities with respect to operational and embodied energy use, walkability and daylighting potential. Since 2012, Umi has been  developed by the Sustainable Design Lab at the Massachusetts Institute of Technology with support from a National Science Foundation EFRI_SEED project, the MIT Energy Initiative, the Kuwait-MIT Center, the Center for Complex Engineering Systems (CCES) at KACST and MIT, Transsolar Climate Engineering and United Technologies Corporation. Further tool developed is now also being conducted at the Environmental Systems Lab at Cornell University.

A first public version of Umi was released during a public symposium on Sustainable Urban Design on May 6th 2013 at the Massachusetts Institute of Technology. Version 2.0, which also includes an embodied energy module, was released on November 7th 2014.

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