Filtros Utilizando la Revit API

Referencias y apuntes:

https://thebuildingcoder.typepad.com/blog/2010/10/filtered-element-collectors.html

FilteredElementCollector 01_ElementCategoryFilter.WherePasses.ToElement

FilteredElementCollector 02_FamiliyInstanceFilter.WherePasses.ToElement

FilteredElementCollector03_ OfCategory. FamilyInstanceFilter. WherePasses.ToElement.