CIF Viewer Zoom Tool 
The
CIF (Common Image Format, i.e. native graphics format like .jpg or
.bmp) Viewer Zoom Tool allows you to zoom in on a particular area of
your
image. Click on the CIF Viewer Zoom tool and drag 'n' drop it
onto the image viewer. A box will appear with smaller boxes
around it that allow you to define the area you want to zoom. The
area being zoomed in on will appear on the top left corner of the image
viewer. If you click on the zoomed image, the rectangle will
appear and you can move it around and change the size and shape by
grabbing the smaller boxes.
Right-click on the CIF Viewer Zoom rectangle to bring up the CIFViewerZoomEntity edit box, as seen below. The Inputs box will bring up the CIF Viewer and any other input devices that are available for selection.

Select the blue arrow on the upper right of the input box and the Entity
box will appear. This allows you to adjust the colors, thickness,
handle size and visibility of the CIF viewer zoom rectangle. You
can also select a Coordinate System. Make the necessary
adjustments, click Apply and then Close.
Select the blue arrow on the upper right of the Entity box and the Zoom
box will appear. This allows you to modify the zoom and select if
you want to show overlay. Make your selections, then click Apply and
Close.

Selct the blue arrow in the upper right of the Zoom box and the Rectangle
box will appear. This allows you to enter specific values for the
zoom rectangle used, including center X, Y, width, height and aspectof
width/height. After entering your values, click Apply and then
Close. The zoom rectangle will be resized according to your
selections.
