I.R.I.S. Readiris Pro 12 for Windows User Guide - Manual (Page 51)

Readiris TM Pro 12 – User Guide
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ones. Whenever two windows of the same type intersect, they
become a polygon automatically.
Automatic page analysis
Should the current page be too complex to window manually, click
the Analyze page button on the image toolbar to window the page
automatically.
Note that barcode zones and handprinted zones always need to be
drawn manually.
Changing the window type
To change the window type of a window, right-click the window,
point to Window, then to Type and then click the required window
type.
You can also change the window type of several windows
simultaneously:
 Click the pointer button on the image toolbar.
 Hold down the Shift key while selecting multiple windows.