User manual
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The fiducial marks may have been highlighted when the dose map was calculated or
the highlighting could be added at this stagewith the Fiducial marker tool. Notice that the
rough alignment of this image is now correct, Then click the icon and “Image
fiducial type” and select “General fiducial point”. Point the cursor at
the black fiducial mark at the top of the image near the center and
click. The fiducial is delineated with a mark indicating that it will be
fitted in horizontal direction (left-to-right). For fine adjustment of the position relative to
the scribe mark click on the fiducial to highlight it like this and then hold down the
“Ctrl” key and adjust the position with the keyboard arrows. Repeat the process for the
scribe marks located at bottom-center and about 1/3 the way down the sides of the film.
The fiducial along the bottom edge will be delineated and fitted the same as at the top.
Along the sides the delineation changes to indicating the fiducials will be fitted
vertically (up-and-down).
Note: FilmQA
™
Pro “senses” the position
at which a fiducial mark is being placed
and chooses the type/orientation of the
mark accordingly. To override the
automatic selection highlight the fiducial
mark and select the type/orientation from
the menu.
Note: The position of a fiducial mark is
determined by the geometric center of
the software marker, not the scribed mark
on the film.
Click on the line “Tool – Image comparer” at the end of the “Dose to plan
comparison” branch of the Case Object. This displays the the dose map (sometimes
referred to as the Client Image) overlaid on the treatment plan. Close inspection of the