View source for Documentation/4.2/FAQ/UserInterface

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== How to overlay 2 volumes?==
# [[Documentation/{{documentation/version}}/SlicerApplication/LoadingData|Load]] the two volumes
# Use the [[Documentation/{{documentation/version}}/SlicerApplication/MainApplicationGUI#Slice_Viewers|slice viewer controls]] to select one of the volumes as the foreground and one as the background.
# Change the opacity of the Foreground to your liking. 
# If you click on the link symbol, this happens to all viewers

== How to load data from a sequence of jpg files?==
# Choose from the menu: ''File'' / ''Add Data''
# Click ''Choose File(s) to Add'' button and select any of the files in the sequence in the displayed dialog
# Click on ''Show Options'' and uncheck the ''Single File'' option
# Click ''OK'' to load the volume
# Go to the ''Volumes'' module
# Choose the loaded image as ''Active Volume''
# In the ''Volume Information'' section set the correct ''Image Spacing'' and ''Image Origin'' values