CinePlex v3 Manual - Plexon Inc

4.6 CinePlex Editor How-Tos
This section contains suggested procedures for several common operations in
CinePlex Editor. These procedures are by no means meant to be an exhaustive
list of what can be done with CinePlex Editor, nor are they intended to be a presentation
of the only possible way to achieve any desired end result.
Note:
The following procedures assume a project has already been created and that
it is currently open. For details on how to create CinePlex projects, see “Setting
Up a New Project” on page 165.
4.6.1 Printing
Several windows in CinePlex Editor support rudimentary printing. To print a
specific window, click in the window so the title bar is highlighted. If the window
supports printing, the Print and Print Preview items on the File menu are available.
The Input and Scalar windows do not support printing.
4.6.2 Denoting Interesting Behavior In the Video
A basic use for CinePlex Editor is to introduce a new marker occurrence into the
data each time an animal or other subject in the video performs an action that is of
interest in an experiment. For example, perhaps a neuron is suspected to be associated
with a rat deciding to get a drink of water. The user might test this hypothesis
by introducing a time marker into the data whenever the rat drinks his first
sip of water, as shown by the video. Then it would be desirable to perform a perievent
analysis against this new event in Neuroexplorer (NEX) to see if any neurons
are associated with the first sip.
The procedural approach here is to define a new Time-only marker in CinePlex
Editor, then enter marker occurrences whenever the rat starts to sip water. Initially,
we rough in all the marker occurrences during one continuous pass through
the video, then we go back and adjust each marker occurrence to be as accurate as
possible. Then this information is saved to a NEX file, from which we can easily
load it into NEX for analysis.
Denoting interesting behavior in the video
1 Define a new Time-only marker as described in “Defining a New Marker”
on page 169. Label it “First Sip.” Assign a keystroke to it that is easy to press
quickly.
2 Click Play. Adjust the Faster and Slower settings to a comfortable speed to
view the video, which balances the desire to get through the video quickly
against the risk of missing the behavior should it occur too quickly to spot.
3 Use the Zoom In and Zoom Out buttons at the bottom of the Activity window
to adjust the time range such that, should the sip behavior be spotted in the
video view, a key on the keyboard can be hit before the time of the first sip
scrolls out of the Activity window.
4 In the Input window, at Keystroke, click Insert (The user could just as easily
use the Left-click or Button input methods here.). CinePlex Editor is now
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