cda0b16d_l_Building__ArchiCAD_vs__Revit__4
[0] Layers? [1] Layers control whether elements are shown or hidden, locked or unlocked, hidden line or solid, and wall cleanup control. Layer combinations are used to define specific drawing view types. Layers can become a huge and cumbersome management issue on large and long running projects. [2] B- [3] No layers! Revit uses visibility graphic controls, phases and worksets to replace the layer paradigm [4] 
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Life in a Virtual Building: ArchiCAD vs. Revit
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