Blogging about Navisworks has evidently lead to me being more curious and wanting to learn more about certain Navisworks subject matters. To date, I have seen many references about 4D, yet so far failed to find a single good (and detailed) explanation. Personally I find that only a small number "hit the nail on the head". So hear it goes..
So what is 4D?
"4D is the fourth dimension, which is time. In physics there are three dimensions to space, X, Y and Z to correspond to length, depth and width. The 4th dimension is time because we move through time and it is used to explain Einstein's theory of relativity."
I also located the enclosed video, which clearly demonstrates and explains 4D or the 4th dimension.
So, how does all of this related to Autodesk Navisworks? Well, experienced users know that Navisworks allows for 4D planning simulation and it adds the dynamic power of 4D scheduling and photorealism.
How so? Well, take a look at this video, which shows a low resolution 4-D BIM (Building Information Model) animation, highlighting clash detection in an automated car park system.
I will talk about more about "clash detection" some other time.
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