Autodesk Developer Network 2011
Autodesk
Construction Modeling
§Parts
§Division of model element into discrete parts
§Help in independent scheduling, tagging, filtering and export
§Can be divided further into smaller parts
§Parts automatically update to reflect changes in base element
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§Assemblies
§Aggregation of multiple instances to create an assembly
§Elements in assembly can be manipulated as single unit
§Multiple placement of unique assembly type
§Can be used to generate sheet and assembly views (listed under assembly in Project Browser)
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§New API
§Allows elements to be
§divided into sub-parts
§collected into assemblies
§displayed in special assembly views

| In Revit, many elements can be divided into parts that can be independently scheduled, tagged, filtered and exported. The part element is designed to support aspects of construction workflows such as pour schedules. Parts can be generated from elements with layered structures like walls, floors, roofs, ceilings, structural slab foundations. Parts are automatically updated and regenerated when the original element from which they are derived gets modified.
| Assemblies are combination or aggregation of multiple model elements which can then be edited, tagged, scheduled and filtered. All the elements in an Assembly are manipulated as single unit and can be placed over multiple times. These assemblies help generate sheet and assembly views and are listed under Project Browser under Assembly node.
| With the new API, we can divide an element into parts and collect individual instances into assemblies. We can also create various special assembly views.