Apply A Matte; Place A Matte; Move, Resize, Hide, Or Delete A Matte; Move Images Within A Viewport - GE Revolution CT User Manual

3.7 Apply a matte

Use the matte procedure to eliminate unwanted information on or around an image. There are
two types of matte: rectangular and elliptical. The size of the matte is adjustable.

3.7.1 Place a matte

From the command line use the Short Cut command.
The following table shows some shortcuts for placing mattes.
To do this:
Place an elliptical matte
Place a rectangular matte
To propagate the matte to all images in the series, type prop a in the Command box and press
<Enter>.

3.7.2 Move, resize, hide, or delete a matte

1. To resize the matte, click and drag the open red box in the lower right corner of the matte.
2. To move the matte, click and drag anywhere outside the matte.
3. To delete or hide the matte:
a. From the viewport control panel, click the arrow next to
b.
To remove the matte, click [Erase selected graphics]
c.
To hide the matte, click [Hide Graphics]
NOTE:

3.8 Move images within a viewport

You can reposition images in a viewport. All images in the series will be moved.
Hold down the Control (<Ctrl> key), and right-click in the viewport, and drag the image to the
desired position.

3.9 Inverse the video display

To invert the video display between black/white and white/black, type inv in the command line.
To return the image to its normal display, type inv again.

3.10 Adjust the W/L

Use one of the following methods to adjust the W/L to control the image brightness and
contrast.
392
To remove all graphics from a viewport, click the Remove all Graphics icon
on the viewport right mouse menu.
Type or click:
Type ematte in the Command box and press <Enter>.
Type rmatte in the Command box and press <Enter>.
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Revolution CT User Manual
Direction 5480385-1EN, Revision 1
Measure/Annotate .
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3 Image Tools