An update on the 4D-LETKF data assimilation system for

filter4d4 Revit-Specific Topics 🏡; 4.5 The FilteredElementCollector. One of the most powerful tools in Revit API fetches elements - fast!Modeling the Imaging System#. We’ll model two different imaging systems here: an idealized imaging system, and a true SPECT imaging system. We’ll show that filtered back projection