•How difficult it is?
§1
to 2 days to migrate an extension
§Revit Extension team – 36 extensions, 42 person-days
migrating, 4 pd testing
§Robot Structural Analysis (RSA) team – 1 extension,
2 pd migration, 1 pd testing
§RSA Concrete team – 3 extensions, 5 pd migration,
1 pd testing
§Revit API introduction labs – 31 external commands
in both C# and VB, a few days
§The Building Coder samples – 60 external commands,
2-3 pd migration
§
§Your
mileage will vary, of course
§