Revit works because it was developed asa parametric modeller from ground up. In revit, things are much slicker, everything is parametric and I think more authentically BIM than microstation. Even though everybody is working on seperate local copies of the model, they are however linked, and it will tell you if you try to edit something that somebody else is working on that so it doesn't give you permission to mess with same model element as somebody else. If you want to save your changes to the master, you would click "save to master". And every time somebody opened it, normally you would never work off the master, but you open it up as a local copy and work.basically the local copy is a fully identical copy of the current master but running on you own computer or rdp server. You move a wall in plan and it is updating the section automatically.The way multiple people work on the same project then is, well at least when I worked on it, you have "the master" file. Drawings are simply views of the model so things happen more seamlessly. They are almost like layout spaces in cad. Revit, the whole bim model exists for the most part in a single file. Maybe some avid microstation fans can weigh in and argue it's merits but to me, it's not really that different from cad. The way alot of firms use it, the majority of people at the office don't work well enough to take advantage of the BIM capabilities, they don't get that in depth so it is really more just a glorified cad that takes more time than it offers benefits. In a way though, to me, this isn't real Parametric modelling, it's just maybe one step removed from CAD. The advantage of this, for working in teams is, since drawings are separate files with references like xrefs etc, people can work in separate files and just need to talk to each other if they need to get into a drawing. None of that happens automatically, one person might get into the 3d model file and then after making a change, runs an extraction which is almost like printing the 2d cad drawing off the 3d work and it updates the other 2d files etc. Even your 3d models are separate files from which drawings are cut, "extracted" which is a bit of a clunky process. In microstation, the drawings are all separate files. With either of these, I think if you are going to be working on large projects with teams of people, you will probably need a cad/bin manager to set up work standards and facilitate work sharing and standards. How large is your office and what kind of projects do you do? Large project teams? Or single or two person teams? But I think it depends what you want to do.
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